CN102873417A - Electrochemical deburring processing method for turbine disc mortises and special device thereof - Google Patents
Electrochemical deburring processing method for turbine disc mortises and special device thereof Download PDFInfo
- Publication number
- CN102873417A CN102873417A CN2012103673860A CN201210367386A CN102873417A CN 102873417 A CN102873417 A CN 102873417A CN 2012103673860 A CN2012103673860 A CN 2012103673860A CN 201210367386 A CN201210367386 A CN 201210367386A CN 102873417 A CN102873417 A CN 102873417A
- Authority
- CN
- China
- Prior art keywords
- turbine disk
- tongue
- groove
- processing
- electrolyte
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses an electrochemical deburring processing method for turbine disc mortises, which comprises the following steps of: positioning and clamping parts of a processed turbine disc (10) on a clamp; connecting the turbine disc (10) with the positive pole of a power supply (12), and connecting a stationary cathode (4) with the negative pole of the power supply (12); feeding flowing electrolyte between a mortise of the turbine disc (10) and the stationary cathode (4), switching on the power supply so as to begin to carry out electrochemical deburring processing, and controlling the corresponding processing time; and switching off the power supply, turning over the turbine disc (10), and repeating the steps so as to process the other side of the turbine disc (10), wherein in the process of processing, requirements on the processing voltage, the processing current, the electrolyte compositions, the electrolyte concentration, the electrolyte pressure P, the electrolyte temperature T, the processing clearance delta and the processing time are required. The clamp for positioning and clamping parts of the processed turbine disc (10) is specifically a part of a special device for electrochemical deburring processing of turbine disc mortises. The method disclosed by the invention is high in processing efficiency, good in processing effect and low in cost, and has great economic values.
Description
Technical field
The present invention relates to method for electrochemical machining and the device technique field of mechanical structured member, a kind of method and isolated plant thereof of turbine disk tongue-and-groove electrochemical deburring processing is provided especially.
Background technology
The turbine disk is the strength member of aero-engine, and itself and the turbo blade of installing above consist of turbine rotor, are the acting parts that turbogenerator is converted into heat energy mechanical energy.Turbine disk working environment is extremely abominable, is bearing the impact of high-temperature high-pressure fuel gas and blade and the centrifugal force of self, the variation that colds and heat succeed each other, Cyclic Stress, vibrations fatigue etc., therefore, and to processing request high-quality, high reliability, the antifatigue of the turbine disk.The turbine disk is mainly by disk body be distributed in the dozens of fir-shaped mortise in one week of plate wheel edge and form, complex structure, and difficulty of processing is large, and the crudy of its tongue-and-groove directly affects anti-fatigue performance and the service life of the turbine disk.Turbine disk tongue-and-groove generally all adopts broaching or milling method, and trough rim exists burr, sharp limit after the processing, adopt manually with file, sand paper, gauze etc. one by one tongue-and-groove carry out the behindhand types such as manual grinding, polishing, working (machining) efficiency is low, cost is high, and quality is unstable, is unsuitable for batch production.The electrochemical deburring processing method is the effective way of turbine disk tongue-and-groove deburring polishing processing.
The principle of electrochemistry processing is to utilize metal can anodic solution occur in electrolyte and remove material, with the technical process of part machine-shaping.Electrochemistry processing is a kind of without machining stress, without the method for electrochemical machining of heat affected area, is widely used in the part profile processing such as casing, blade.
People urgently wish to obtain method and the isolated plant thereof of the good turbine disk tongue-and-groove electrochemical deburring processing of a kind of technique effect.
Summary of the invention
The object of the invention provides method and the isolated plant thereof of the good turbine disk tongue-and-groove electrochemical deburring processing of a kind of technique effect.The object of the invention is to substitute traditional diamond-making technique, the deburring of solution turbine disk tongue-and-groove seamed edge is low with polishing rounding working (machining) efficiency, cost is high, the unsettled difficult problem of quality, for effectively reducing hand labor intensity, improve work situation, a kind of process and device of electrochemistry processing burr removal technology is provided.
The invention provides a kind of method of turbine disk tongue-and-groove electrochemical deburring processing, it is characterized in that: concrete procedure of processing is as follows successively:
1. with the processed turbine disk 10 part positioning and clamping on anchor clamps, require the tongue-and-groove of the turbine disk 10 to align fixed cathode 4, adjust the tongue-and-groove seamed edge of the turbine disk 10 and the gap between the fixed cathode 4 according to technological requirement;
2. the turbine disk 10 is connected the positive pole of power supply 12, fixed cathode 4 connects the negative pole of power supply 12.
3. between the turbine disk 10 tongue-and-grooves and fixed cathode 4, pass into mobile electrolyte, and plugged, the processing of beginning deburring electrochemistry, the process time that control is corresponding;
4. powered-down with the turbine disk 10 upsets, repeats above-mentioned steps processing another side;
5. process parameters range satisfies following requirement in the process: machining voltage U:10 ~ 20V; Processing electric current I:20 ~ 100A; Bath composition: NaNO
3+ H
2O; Concentration of electrolyte: 5% ~ 10%; Electrolyte pressure P:0.2 ~ 0.3MPa; Electrolyte temperature T:30 ~ 35 ℃; Machining gap Δ: 0.05 ~ 0.5mm; Process time t:1 ~ 2min.
The method of described turbine disk tongue-and-groove electrochemical deburring processing, it is characterized in that: the anchor clamps that are used for the processed turbine disk 10 of positioning and clamping are specially the part of turbine disk tongue-and-groove electrochemical deburring processing isolated plant, and whirlpool turbine disk tongue-and-groove electrochemical deburring is processed specifically being constructed as follows of isolated plant:
Base plate 1, apotting spindle 2, adjustment packing ring 3, fixed cathode 4, electrolyte feed pipe 5, support ring 6, the ring 7 of obturaging, nut 8, conduction gland 9, work box and base 11, power supply 12, electrolytic bath 13, electrolyte 14, drain pipe 16;
Wherein: it is inboard and be arranged on the apotting spindle 2 to be fixed on support ring 6 as the turbine disk 10 of work piece; Support ring 6 arranged beneath have base plate 1, and support ring 6 external stabilities are provided with feed pipe 5, are provided with respectively corresponding each tongue-and-groove of the turbine disk 10 of a plurality of feed flows outlet on the feed pipe 5, and the magnitude setting of feed flow outlet is identical with the tongue-and-groove quantity of the turbine disk 10; The turbine disk 10 arranged beneath have fixed cathode 4, and the gap between its two is the machining gap Δ; The turbine disk 10 tops are furnished with the ring 7 of obturaging, obturage ring 7 respectively with the tongue-and-groove of support ring 6 madial walls and the turbine disk 10 top outlet formation seal structure that closely cooperates;
All being arranged on the workbench in work box and base 11 inner chambers by base plate 1, apotting spindle 2, fixed cathode 4, electrolyte feed pipe 5, support ring 6, the ring 7 of obturaging, the integral body that jointly consists of of the turbine disk 10 after the above-mentioned assembling;
Work box and base 11 bottoms are provided with the drain pipe 16 that connects electrolytic bath 13;
Power supply 12 is arranged in the outside of work box and base 11, and the positive pole of power supply 12, negative pole are connecting respectively the turbine disk 10, fixed cathode 4.
The concrete fixed form that the described turbine disk 10 is fixed on apotting spindle 2 satisfies following requirement: apotting spindle 2 is specially the bolt type structure, its underpart is the bolt head structure, its top is provided with screw thread, the screw thread place also cooperates and is equipped with nut 8, also is provided with the conduction gland 9 that is sleeved on the apotting spindle 2 between nut 8 and the turbine disk 10;
Between the bolt head structure of apotting spindle 2 bottoms and the turbine disk 10, also be provided with and adjust packing ring 3.
The method of described turbine disk tongue-and-groove electrochemical deburring processing, it is characterized in that: fixed cathode 4 upper surfaces are coated with insulated paint;
Described support ring 6 interior diameters are 388.6mm;
Be provided with 72 tongue-and-grooves on the described turbine disk 10, these tongue-and-grooves are evenly arranged along the outer edge surface of the turbine disk 10.
The present invention is claimed turbine disk tongue-and-groove electrochemical deburring processing isolated plant also, and it is characterized in that: described turbine disk tongue-and-groove electrochemical deburring is processed specifically being constructed as follows of isolated plant:
Base plate 1, apotting spindle 2, adjustment packing ring 3, fixed cathode 4, electrolyte feed pipe 5, support ring 6, the ring 7 of obturaging, nut 8, conduction gland 9, work box and base 11, power supply 12, electrolytic bath 13, electrolyte 14, drain pipe 16;
Wherein: it is inboard and be arranged on the apotting spindle 2 to be fixed on support ring 6 as the turbine disk 10 of work piece; Support ring 6 arranged beneath have base plate 1, and support ring 6 external stabilities are provided with feed pipe 5, are provided with respectively corresponding each tongue-and-groove of the turbine disk 10 of a plurality of feed flows outlet on the feed pipe 5, and the magnitude setting of feed flow outlet is identical with the tongue-and-groove quantity of the turbine disk 10; The turbine disk 10 arranged beneath have fixed cathode 4, and the gap between its two is the machining gap Δ; The turbine disk 10 tops are furnished with the ring 7 of obturaging, obturage ring 7 respectively with the tongue-and-groove of support ring 6 madial walls and the turbine disk 10 top outlet formation seal structure that closely cooperates;
All being arranged on the workbench in work box and base 11 inner chambers by base plate 1, apotting spindle 2, fixed cathode 4, electrolyte feed pipe 5, support ring 6, the ring 7 of obturaging, the integral body that jointly consists of of the turbine disk 10 after the above-mentioned assembling;
Work box and base 11 bottoms are provided with the drain pipe 16 that connects electrolytic bath 13;
Power supply 12 is arranged in the outside of work box and base 11, and the positive pole of power supply 12, negative pole are connecting respectively the turbine disk 10, fixed cathode 4.
The concrete fixed form that the described turbine disk 10 is fixed on apotting spindle 2 satisfies following requirement: apotting spindle 2 is specially the bolt type structure, its underpart is the bolt head structure, its top is provided with screw thread, the screw thread place also cooperates and is equipped with nut 8, also is provided with the conduction gland 9 that is sleeved on the apotting spindle 2 between nut 8 and the turbine disk 10;
Between the bolt head structure of apotting spindle 2 bottoms and the turbine disk 10, also be provided with and adjust packing ring 3.
Described turbine disk tongue-and-groove electrochemical deburring processing isolated plant, it is characterized in that: fixed cathode 4 upper surfaces are coated with insulated paint;
Described support ring 6 interior diameters are 388.6mm.
Turbine disk tongue-and-groove electrochemical deburring processing isolated plant has the functions such as conduction, location, clamping, formation electrolyte flow field, described power supply 122 is used for the electric current that the feeding machining needs for dc source, and the electrolyte supply system provides the electrolyte of uniform temperature, concentration, cleaning.Simple to operate, the accurate positioning, safe and reliable of this device.
Clamped one time be can realize by this device, deburring and the rounding processing of the whole turbine disk 10 all tongue-and-grooves carried out.Can process continuously, greatly raise the efficiency, machined surface quality, rounding is even.
The key problem in technology of this process: the one, the designing and developing of fixed cathode 4 and clamping navigation system, fixed cathode 4 can be designed to tongue-and-groove of time processing, also can be designed to a plurality of or all tongue-and-grooves of time processing, so just greatly improve working (machining) efficiency, but also increase technical difficulty simultaneously; The 2nd, the electrochemical machining process parameter optimization is solidified, and this process belongs to the special process, and key is process control.By assay optimization, determine best technological parameter, and be cured, guarantee the stability of machining process.By above-mentioned technological break-through, realize that the deburring of turbine disk tongue-and-groove and rounding are processed efficiently, cheaply batch production.
Of the present invention for surface finishing of part processing, removal burr, sharp Edge Blend etc., can increase substantially working (machining) efficiency, and can improve 2 ~ 3 grades of surface roughness, Effective Raise piece surface integrality.
The object of the invention is to substitute traditional diamond-making technique, the 10 tongue-and-groove seamed edge deburrings of the solution turbine disk are low with polishing rounding working (machining) efficiency, cost is high, the unsettled difficult problem of quality, for effectively reducing hand labor intensity, improve work situation, a kind of process and device of electrochemistry processing burr removal technology is provided.
This invention can be applicable to aero-engine turbine disk class part and makes the field, the electrochemistry processing relatively method such as manual deburring can be raised the efficiency more than 20 doubly (1 turbine disk of manual polishing deburring is needed 40 hours approximately, electrochemical deburring processing only needs 10 minutes approximately), can improve 2 ~ 3 grades of surface roughness, can significantly improve surface quality of workpieces, Effective Raise piece surface integrality cuts down finished cost and alleviates greatly labor strength, is suitable for producing in enormous quantities.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and the embodiments:
Fig. 1 is turbine disk electrochemical deburring processing unit (plant) schematic diagram;
Fig. 2 is fixed cathode;
Fig. 3 is the fixture support ring with the electrolyte feed pipe;
Fig. 4 is turbine disk workpiece sketch;
Fig. 5 is the partial enlarged drawing that " I " locates among Fig. 4.
The specific embodiment
Base plate 1, apotting spindle 2, adjustment packing ring 3, fixed cathode 4, electrolyte feed pipe 5, support ring 6, the ring 7 of obturaging, nut 8, conduction gland 9, the turbine disk 10, work box and base 11, power supply 12, electrolytic bath 13, electrolyte 14, inlet 15.
Embodiment 1
As shown in Figure 1, the electrochemical deburring processing unit (plant) comprises power supply 12, work box and base 11, fixed cathode 4, clamping workpiece navigation system and electrolyte supply system.Fixed electrode 4 and clamping navigation system have the functions such as conduction, location, clamping, formation electrolyte flow field, and being used for the clamping workpiece to be machined is the turbine disk 10, realizes electrochemical deburring processing.Power supply 12 is dc source, and the stable electric current that provides machining to need is provided.The electrolyte supply system provides the electrolyte of uniform temperature, concentration, cleaning, and removes the electrochemistry product.
Figure 2 shows that fixed cathode 4, it adopts overall structure, stainless steel material, and a plurality of fir shape electrodes opposite with the workpiece tenon groove structure are distributing on it.
Figure 3 shows that the support ring 6 with electrolyte feed pipe 5.Support ring 6 is enclosed within fixed cathode 4 outsides and forms enclosed cavity with the turbine disk 10, the ring 7 of obturaging, and guarantees to flow out from the machining gap of electrolyte between fixed cathode 4 and the turbine disk 10 that electrolyte feed pipe 5 flows out.
The operation principle of electrochemical deburring processing is that the anodic solution based on electrochemical action occurs in electrolyte metal, but different from general Electrolyzed Processing, electrochemical deburring adds man-hour, the machining gap at the burr position of the turbine disk 10 is significantly less than the gap at other positions of workpiece, current field concentrates on the turbine disk 10 seamed edge burr places, be the most advanced and sophisticated position of anode surface, at short notice burr finished the localization local dissolution relatively easily.Below in conjunction with Fig. 1, Fig. 2, shown in Figure 3, the method for present embodiment is described, implementation process may further comprise the steps:
1) with reference to figure 1, the turbine disk 10 is installed on the apotting spindle 2, adjust packing ring 3 and guarantee the machining gap Δ, and the electrolyte outlet that guarantees the tongue-and-groove of the turbine disk 10 and fixed cathode 4, support ring 6 aligns, conduction gland 9 and fastening nut 8 are installed, are compressed the ring 7 of obturaging, finish the installation of the turbine disk 10.
2) positive pole with power supply 12 is connected with conduction gland 9, and power supply 12 negative poles are connected with fixed cathode 4.
3) prepare electrolyte 14, electrolyte 14 is connected with electrolyte feed pipe 5 with pipeline by pump, the electrolyte after the processing flow back into electrolytic bath 13 automatically, recycles.
4) check that the turbine disk 10 is in place, after the both positive and negative polarity of power supply 12, electrolyte supply system connect, start first the electrolyte supply system, plugged 12 is controlled process time well, the processing of beginning electrochemical deburring.
5) with the turbine disk 10 upsets, after reinstalling, the processing another side.
6) with reference to figure 2, fixed cathode 4 is made can adopt corrosion resistant plate, use the moulding of Wire EDM time processing, and at fixed cathode 4 upper surfaces, the materials such as coating insulated paint or refractory ceramics reduce the discharge processing of stray electrical current compost finished surfaces.
Embodiment 2
A kind of method of turbine disk tongue-and-groove electrochemical deburring processing, concrete procedure of processing is as follows successively:
1. with the processed turbine disk 10 part positioning and clamping on anchor clamps, require the tongue-and-groove of the turbine disk 10 to align fixed cathode 4, adjust the tongue-and-groove seamed edge of the turbine disk 10 and the gap between the fixed cathode 4 according to technological requirement;
2. the turbine disk 10 is connected the positive pole of power supply 12, fixed cathode 4 connects the negative pole of power supply 12.
3. between the turbine disk 10 tongue-and-grooves and fixed cathode 4, pass into mobile electrolyte, and plugged, the processing of beginning deburring electrochemistry, the process time that control is corresponding;
4. powered-down with the turbine disk 10 upsets, repeats above-mentioned steps processing another side;
5. process parameters range satisfies following requirement in the process: machining voltage U:10 ~ 20V; Processing electric current I:20 ~ 100A; Bath composition: NaNO
3+ H
2O; Concentration of electrolyte: 5% ~ 10%; Electrolyte pressure P:0.2 ~ 0.3MPa; Electrolyte temperature T:30 ~ 35 ℃; Machining gap Δ: 0.05 ~ 0.5mm; Process time t:1 ~ 2min.
The anchor clamps that are used for the processed turbine disk 10 of positioning and clamping are specially the part of turbine disk tongue-and-groove electrochemical deburring processing isolated plant, and whirlpool turbine disk tongue-and-groove electrochemical deburring is processed specifically being constructed as follows of isolated plant:
Base plate 1, apotting spindle 2, adjustment packing ring 3, fixed cathode 4, electrolyte feed pipe 5, support ring 6, the ring 7 of obturaging, nut 8, conduction gland 9, work box and base 11, power supply 12, electrolytic bath 13, electrolyte 14, drain pipe 16;
Wherein: it is inboard and be arranged on the apotting spindle 2 to be fixed on support ring 6 as the turbine disk 10 of work piece; Support ring 6 arranged beneath have base plate 1, and support ring 6 external stabilities are provided with feed pipe 5, are provided with respectively corresponding each tongue-and-groove of the turbine disk 10 of a plurality of feed flows outlet on the feed pipe 5, and the magnitude setting of feed flow outlet is identical with the tongue-and-groove quantity of the turbine disk 10; The turbine disk 10 arranged beneath have fixed cathode 4, and the gap between its two is the machining gap Δ; The turbine disk 10 tops are furnished with the ring 7 of obturaging, obturage ring 7 respectively with the tongue-and-groove of support ring 6 madial walls and the turbine disk 10 top outlet formation seal structure that closely cooperates;
After the above-mentioned assembling by base plate 1, apotting spindle 2, adjust packing ring 3, fixed cathode 4, electrolyte feed pipe 5, support ring 6, integral body that the ring 7 of obturaging, nut 8, conduction gland 9, the turbine disk 10 consist of jointly all is arranged on the workbench in work box and base 11 inner chambers;
Work box and base 11 bottoms are provided with the drain pipe 16 that connects electrolytic bath 13;
Power supply 12 is arranged in the outside of work box and base 11, and the positive pole of power supply 12, negative pole are connecting respectively the turbine disk 10, fixed cathode 4.
The concrete fixed form that the described turbine disk 10 is fixed on apotting spindle 2 satisfies following requirement: apotting spindle 2 is specially the bolt type structure, its underpart is the bolt head structure, its top is provided with screw thread, the screw thread place also cooperates and is equipped with nut 8, also is provided with the conduction gland 9 that is sleeved on the apotting spindle 2 between nut 8 and the turbine disk 10;
Between the bolt head structure of apotting spindle 2 bottoms and the turbine disk 10, also be provided with and adjust packing ring 3.
The method of described turbine disk tongue-and-groove electrochemical deburring processing, it is characterized in that: fixed cathode 4 upper surfaces are coated with insulated paint;
Described support ring 6 interior diameters are 388.6mm;
Be provided with 72 tongue-and-grooves on the described turbine disk 10, these tongue-and-grooves are evenly arranged along the outer edge surface of the turbine disk 10.
Present embodiment is claimed turbine disk tongue-and-groove electrochemical deburring processing isolated plant also, and it specifically is constructed as follows:
Base plate 1, apotting spindle 2, adjustment packing ring 3, fixed cathode 4, electrolyte feed pipe 5, support ring 6, the ring 7 of obturaging, nut 8, conduction gland 9, work box and base 11, power supply 12, electrolytic bath 13, electrolyte 14, drain pipe 16;
Wherein: it is inboard and be arranged on the apotting spindle 2 to be fixed on support ring 6 as the turbine disk 10 of work piece; Support ring 6 arranged beneath have base plate 1, and support ring 6 external stabilities are provided with feed pipe 5, are provided with respectively corresponding each tongue-and-groove of the turbine disk 10 of a plurality of feed flows outlet on the feed pipe 5, and the magnitude setting of feed flow outlet is identical with the tongue-and-groove quantity of the turbine disk 10; The turbine disk 10 arranged beneath have fixed cathode 4, and the gap between its two is the machining gap Δ; The turbine disk 10 tops are furnished with the ring 7 of obturaging, obturage ring 7 respectively with the tongue-and-groove of support ring 6 madial walls and the turbine disk 10 top outlet formation seal structure that closely cooperates;
After the above-mentioned assembling by base plate 1, apotting spindle 2, adjust packing ring 3, fixed cathode 4, electrolyte feed pipe 5, support ring 6, integral body that the ring 7 of obturaging, nut 8, conduction gland 9, the turbine disk 10 consist of jointly all is arranged on the workbench in work box and base 11 inner chambers;
Work box and base 11 bottoms are provided with the drain pipe 16 that connects electrolytic bath 13;
Power supply 12 is arranged in the outside of work box and base 11, and the positive pole of power supply 12, negative pole are connecting respectively the turbine disk 10, fixed cathode 4.
The concrete fixed form that the described turbine disk 10 is fixed on apotting spindle 2 satisfies following requirement: apotting spindle 2 is specially the bolt type structure, its underpart is the bolt head structure, its top is provided with screw thread, the screw thread place also cooperates and is equipped with nut 8, also is provided with the conduction gland 9 that is sleeved on the apotting spindle 2 between nut 8 and the turbine disk 10;
Between the bolt head structure of apotting spindle 2 bottoms and the turbine disk 10, also be provided with and adjust packing ring 3.
Described turbine disk tongue-and-groove electrochemical deburring processing isolated plant, it is characterized in that: fixed cathode 4 upper surfaces are coated with insulated paint;
Described support ring 6 interior diameters are 388.6mm.
Turbine disk tongue-and-groove electrochemical deburring processing isolated plant has the functions such as conduction, location, clamping, formation electrolyte flow field, described power supply 122 is used for the electric current that the feeding machining needs for dc source, and the electrolyte supply system provides the electrolyte of uniform temperature, concentration, cleaning.Simple to operate, the accurate positioning, safe and reliable of this device.
Clamped one time be can realize by this device, deburring and the rounding processing of the whole turbine disk 10 all tongue-and-grooves carried out.Can process continuously, greatly raise the efficiency, machined surface quality, rounding is even.
The key problem in technology of this process: the one, the designing and developing of fixed cathode 4 and clamping navigation system, fixed cathode 4 can be designed to tongue-and-groove of time processing, also can be designed to a plurality of or all tongue-and-grooves of time processing, so just greatly improve working (machining) efficiency, but also increase technical difficulty simultaneously; The 2nd, the electrochemical machining process parameter optimization is solidified, and this process belongs to the special process, and key is process control.By assay optimization, determine best technological parameter, and be cured, guarantee the stability of machining process.By above-mentioned technological break-through, realize that the deburring of turbine disk tongue-and-groove and rounding are processed efficiently, cheaply batch production.
The surface finishing of part that is used for of present embodiment is processed, is removed burr, sharp Edge Blend etc., can increase substantially working (machining) efficiency, and can improve 2 ~ 3 grades of surface roughness, Effective Raise piece surface integrality.
The present embodiment purpose is to substitute traditional diamond-making technique, the 10 tongue-and-groove seamed edge deburrings of the solution turbine disk are low with polishing rounding working (machining) efficiency, cost is high, the unsettled difficult problem of quality, for effectively reducing hand labor intensity, improve work situation, a kind of process and device of electrochemistry processing burr removal technology is provided.
This embodiment can be applicable to aero-engine turbine disk class part and makes the field, the electrochemistry processing relatively method such as manual deburring can be raised the efficiency more than 20 doubly (1 turbine disk of manual polishing deburring is needed 40 hours approximately, electrochemical deburring processing only needs 10 minutes approximately), can improve 2 ~ 3 grades of surface roughness, can significantly improve surface quality of workpieces, Effective Raise piece surface integrality cuts down finished cost and alleviates greatly labor strength, is suitable for producing in enormous quantities.
Claims (6)
1. the method for turbine disk tongue-and-groove electrochemical deburring processing, it is characterized in that: concrete procedure of processing is as follows successively:
1. with the processed turbine disk (10) part positioning and clamping on anchor clamps, require the tongue-and-groove of the turbine disk (10) to align fixed cathode (4), adjust the tongue-and-groove seamed edge of the turbine disk (10) and the gap between the fixed cathode (4) according to technological requirement;
2. the turbine disk (10) is connected the positive pole of power supply (12), fixed cathode (4) connects the negative pole of power supply (12).
3. between the turbine disk (10) tongue-and-groove and fixed cathode (4), pass into mobile electrolyte, and plugged, the processing of beginning deburring electrochemistry, the process time that control is corresponding;
4. powered-down with the turbine disk (10) upset, repeats above-mentioned steps processing another side;
5. process parameters range satisfies following requirement in the process: machining voltage U:10 ~ 20V; Processing electric current I:20 ~ 100A; Bath composition: NaNO
3+ H
2O; Concentration of electrolyte: 5% ~ 10%; Electrolyte pressure P:0.2 ~ 0.3MPa; Electrolyte temperature T:30 ~ 35 ℃; Machining gap Δ: 0.05 ~ 0.5mm; Process time t:1 ~ 2min.
2. the method for processing according to the described turbine disk tongue-and-groove of claim 1 electrochemical deburring, it is characterized in that: the anchor clamps that are used for the processed turbine disk (10) of positioning and clamping are specially the part of turbine disk tongue-and-groove electrochemical deburring processing isolated plant, and whirlpool turbine disk tongue-and-groove electrochemical deburring is processed specifically being constructed as follows of isolated plant:
Base plate (1), apotting spindle (2), adjustment packing ring (3), fixed cathode (4), electrolyte feed pipe (5), support ring (6), the ring (7) of obturaging, nut (8), conduction gland (9), work box and base (11), power supply (12), electrolytic bath (13), electrolyte (14), drain pipe (16);
Wherein: it is inboard and be arranged on the apotting spindle (2) to be fixed on support ring (6) as the turbine disk (10) of work piece; Support ring (6) arranged beneath has base plate (1), support ring (6) external stability is provided with feed pipe (5), be provided with respectively corresponding each tongue-and-groove of the turbine disk (10) of a plurality of feed flows outlet on the feed pipe (5), the magnitude setting of feed flow outlet is identical with the tongue-and-groove quantity of the turbine disk (10); The turbine disk (10) arranged beneath has fixed cathode (4), and the gap between its two is the machining gap Δ; The turbine disk (10) top is furnished with the ring (7) of obturaging, and the ring (7) of obturaging exports the formation seal structure that closely cooperates respectively with above the tongue-and-groove of support ring (6) madial wall and the turbine disk (10);
All being arranged on the workbench in work box and base (11) inner chamber by the common integral body that consists of of base plate (1), apotting spindle (2), fixed cathode (4), electrolyte feed pipe (5), support ring (6), the ring (7) of obturaging, the turbine disk (10) after the above-mentioned assembling;
Work box and base (11) bottom is provided with the drain pipe (16) that connects electrolytic bath (13);
Power supply (12) is arranged in the outside of work box and base (11), and the positive pole of power supply (12), negative pole are connecting respectively the turbine disk (10), fixed cathode (4).
3. the method for processing according to the described turbine disk tongue-and-groove of claim 2 electrochemical deburring, it is characterized in that: the concrete fixed form that the described turbine disk (10) is fixed on apotting spindle (2) satisfies following requirement: apotting spindle (2) is specially the bolt type structure, its underpart is the bolt head structure, its top is provided with screw thread, the screw thread place also cooperates and is equipped with nut (8), also is provided with the conduction gland (9) that is sleeved on the apotting spindle (2) between nut (8) and the turbine disk (10);
Between the bolt head structure of apotting spindle (2) bottom and the turbine disk (10), also be provided with and adjust packing ring (3).
3, according to the method for the described turbine disk tongue-and-groove of claim 2 electrochemical deburring processing, it is characterized in that: fixed cathode (4) upper surface is coated with insulated paint;
Described support ring (6) interior diameter is 388.6mm;
Be provided with 72 tongue-and-grooves on the described turbine disk (10), these tongue-and-grooves are evenly arranged along the outer edge surface of the turbine disk (10).
4. turbine disk tongue-and-groove electrochemical deburring is processed isolated plant, it is characterized in that: described turbine disk tongue-and-groove electrochemical deburring is processed specifically being constructed as follows of isolated plant:
Base plate (1), apotting spindle (2), adjustment packing ring (3), fixed cathode (4), electrolyte feed pipe (5), support ring (6), the ring (7) of obturaging, nut (8), conduction gland (9), work box and base (11), power supply (12), electrolytic bath (13), electrolyte (14), drain pipe (16);
Wherein: it is inboard and be arranged on the apotting spindle (2) to be fixed on support ring (6) as the turbine disk (10) of work piece; Support ring (6) arranged beneath has base plate (1), support ring (6) external stability is provided with feed pipe (5), be provided with respectively corresponding each tongue-and-groove of the turbine disk (10) of a plurality of feed flows outlet on the feed pipe (5), the magnitude setting of feed flow outlet is identical with the tongue-and-groove quantity of the turbine disk (10); The turbine disk (10) arranged beneath has fixed cathode (4), and the gap between its two is the machining gap Δ; The turbine disk (10) top is furnished with the ring (7) of obturaging, and the ring (7) of obturaging exports the formation seal structure that closely cooperates respectively with above the tongue-and-groove of support ring (6) madial wall and the turbine disk (10);
All being arranged on the workbench in work box and base (11) inner chamber by the common integral body that consists of of base plate (1), apotting spindle (2), fixed cathode (4), electrolyte feed pipe (5), support ring (6), the ring (7) of obturaging, the turbine disk (10) after the above-mentioned assembling;
Work box and base (11) bottom is provided with the drain pipe (16) that connects electrolytic bath (13);
Power supply (12) is arranged in the outside of work box and base (11), and the positive pole of power supply (12), negative pole are connecting respectively the turbine disk (10), fixed cathode (4).
5. according to the described turbine disk tongue-and-groove of claim 4 electrochemical deburring processing isolated plant, it is characterized in that: the concrete fixed form that the described turbine disk (10) is fixed on apotting spindle (2) satisfies following requirement: apotting spindle (2) is specially the bolt type structure, its underpart is the bolt head structure, its top is provided with screw thread, the screw thread place also cooperates and is equipped with nut (8), also is provided with the conduction gland (9) that is sleeved on the apotting spindle (2) between nut (8) and the turbine disk (10);
Between the bolt head structure of apotting spindle (2) bottom and the turbine disk (10), also be provided with and adjust packing ring (3).
6. according to the described turbine disk tongue-and-groove of claim 5 electrochemical deburring processing isolated plant, it is characterized in that: fixed cathode (4) upper surface is coated with insulated paint;
Described support ring (6) interior diameter is 388.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210367386.0A CN102873417B (en) | 2012-09-28 | 2012-09-28 | Electrochemical deburring processing method for turbine disc mortises and special device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210367386.0A CN102873417B (en) | 2012-09-28 | 2012-09-28 | Electrochemical deburring processing method for turbine disc mortises and special device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102873417A true CN102873417A (en) | 2013-01-16 |
| CN102873417B CN102873417B (en) | 2015-04-08 |
Family
ID=47475052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210367386.0A Active CN102873417B (en) | 2012-09-28 | 2012-09-28 | Electrochemical deburring processing method for turbine disc mortises and special device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102873417B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624347A (en) * | 2013-11-19 | 2014-03-12 | 成都发动机（集团）有限公司 | Electrolytic machining method for aviation engine crankcase profiles |
| CN103707016A (en) * | 2013-12-10 | 2014-04-09 | 中国南方航空工业(集团)有限公司 | Broaching machining method for mortise of powder metallurgy superalloy turbine disc |
| WO2018040526A1 (en) * | 2017-03-03 | 2018-03-08 | 徐工集团工程机械有限公司 | Device and method for deburring of metal workpiece |
| CN107962262A (en) * | 2017-12-01 | 2018-04-27 | 中国航发沈阳黎明航空发动机有限责任公司 | The electrode and processing unit (plant) and method of turbine disc mortise electrolysis cutting rapid shaping |
| CN108430683A (en) * | 2015-10-07 | 2018-08-21 | 赛峰航空器发动机 | With the tool of PECM processing grooves including the electrical-chemistry method component and machine of the tool and the application method of the tool in multistage disk |
| CN109909570A (en) * | 2019-03-15 | 2019-06-21 | 南京航空航天大学 | Blade trailing edge does not dissolve the jacking electrolytic machining clamper and its method of diffuser |
| CN110315156A (en) * | 2019-06-20 | 2019-10-11 | 中国航发贵州黎阳航空动力有限公司 | The calibration of slow wire feeding lathe and clamping device |
| CN110340467A (en) * | 2019-06-28 | 2019-10-18 | 南京航空航天大学 | Be open symmetrical cathode tongue-and-groove electrolytic machining device and method |
| CN111438411A (en) * | 2020-04-21 | 2020-07-24 | 南京浦航机械科技开发有限公司 | Electrolytic machining clamp for chamfering of mobile phone lens bracket group and technological method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457387A (en) * | 2007-12-13 | 2009-06-17 | 广西玉柴机器股份有限公司 | Method for removing cross-hole bur |
| WO2009115308A1 (en) * | 2008-03-20 | 2009-09-24 | Hell Gravure Systems Gmbh & Co. Kg | Method and device for processing gravure printing cylinders |
| JP4522565B2 (en) * | 2000-10-19 | 2010-08-11 | 富士通株式会社 | Electropolishing apparatus and deburring method for metal workpiece having press burr |
| CN202240011U (en) * | 2011-09-08 | 2012-05-30 | 苏州长风机电科技有限公司 | Electrode guide end surface sealing device for electrolytic deburring |
-
2012
- 2012-09-28 CN CN201210367386.0A patent/CN102873417B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4522565B2 (en) * | 2000-10-19 | 2010-08-11 | 富士通株式会社 | Electropolishing apparatus and deburring method for metal workpiece having press burr |
| CN101457387A (en) * | 2007-12-13 | 2009-06-17 | 广西玉柴机器股份有限公司 | Method for removing cross-hole bur |
| WO2009115308A1 (en) * | 2008-03-20 | 2009-09-24 | Hell Gravure Systems Gmbh & Co. Kg | Method and device for processing gravure printing cylinders |
| CN202240011U (en) * | 2011-09-08 | 2012-05-30 | 苏州长风机电科技有限公司 | Electrode guide end surface sealing device for electrolytic deburring |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624347A (en) * | 2013-11-19 | 2014-03-12 | 成都发动机（集团）有限公司 | Electrolytic machining method for aviation engine crankcase profiles |
| CN103707016A (en) * | 2013-12-10 | 2014-04-09 | 中国南方航空工业(集团)有限公司 | Broaching machining method for mortise of powder metallurgy superalloy turbine disc |
| CN103707016B (en) * | 2013-12-10 | 2016-09-21 | 中国南方航空工业(集团)有限公司 | The wire pulling method method of powder metallurgy superalloy turbine disc tongue-and-groove |
| US10507540B2 (en) | 2015-10-07 | 2019-12-17 | Safran Aircraft Engines | Tool for machining wells in multi-stage discs by PECM, electrochemical machining assembly and machine including said tool, and method using said tool |
| CN108430683A (en) * | 2015-10-07 | 2018-08-21 | 赛峰航空器发动机 | With the tool of PECM processing grooves including the electrical-chemistry method component and machine of the tool and the application method of the tool in multistage disk |
| WO2018040526A1 (en) * | 2017-03-03 | 2018-03-08 | 徐工集团工程机械有限公司 | Device and method for deburring of metal workpiece |
| US11260464B2 (en) | 2017-03-03 | 2022-03-01 | XCMG Construction Machinery Co., Ltd. | Device and method for deburring of metal workpiece |
| CN107962262B (en) * | 2017-12-01 | 2019-02-01 | 中国航发沈阳黎明航空发动机有限责任公司 | The electrode and processing unit (plant) and method of turbine disc mortise electrolysis cutting rapid shaping |
| CN107962262A (en) * | 2017-12-01 | 2018-04-27 | 中国航发沈阳黎明航空发动机有限责任公司 | The electrode and processing unit (plant) and method of turbine disc mortise electrolysis cutting rapid shaping |
| CN109909570A (en) * | 2019-03-15 | 2019-06-21 | 南京航空航天大学 | Blade trailing edge does not dissolve the jacking electrolytic machining clamper and its method of diffuser |
| CN110315156A (en) * | 2019-06-20 | 2019-10-11 | 中国航发贵州黎阳航空动力有限公司 | The calibration of slow wire feeding lathe and clamping device |
| CN110315156B (en) * | 2019-06-20 | 2021-01-22 | 中国航发贵州黎阳航空动力有限公司 | Calibration and clamping device of slow-speed wire-moving machine tool |
| CN110340467A (en) * | 2019-06-28 | 2019-10-18 | 南京航空航天大学 | Be open symmetrical cathode tongue-and-groove electrolytic machining device and method |
| CN111438411A (en) * | 2020-04-21 | 2020-07-24 | 南京浦航机械科技开发有限公司 | Electrolytic machining clamp for chamfering of mobile phone lens bracket group and technological method thereof |
| CN111438411B (en) * | 2020-04-21 | 2021-04-13 | 南京浦航机械科技开发有限公司 | Electrolytic machining clamp for chamfering of mobile phone lens bracket group and technological method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102873417B (en) | 2015-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102873417B (en) | Electrochemical deburring processing method for turbine disc mortises and special device thereof | |
| US6787728B2 (en) | Method and apparatus for near net shape rapid rough electromachining for blisks | |
| CN100584500C (en) | Numerical control electrolyze mechanical compound processing machine tool | |
| CN104014880B (en) | Laser-electrolysis composite machining device and method of tiny holes in non-recast layer | |
| CN107962262B (en) | The electrode and processing unit (plant) and method of turbine disc mortise electrolysis cutting rapid shaping | |
| CN102794516A (en) | Blisk blade profile subtle electrochemical machining electrode and machining method | |
| CN111805028B (en) | Electrolytic turning and grinding integrated machining method for floating tool and implementation device | |
| CN107262851B (en) | Ultrasonic vibration assisted tangent point tracking follow-up electrolytic grinding composite processing device and method | |
| CN106312208B (en) | Impressed current anode electrolytic mill Milling Machining system and method | |
| CN101524778A (en) | Slotted electrolytic machining method and slotted tool | |
| CN101502901A (en) | Thin electrode for electrolytic machining of integral wheel | |
| CN108188511A (en) | It is electrolysed the efficiently coarse-fine process integration processing method of milling | |
| CN107824918A (en) | Aid in fliud flushing electrolysis milling processing blisk system and method | |
| CN103624347A (en) | Electrolytic machining method for aviation engine crankcase profiles | |
| CN110744155B (en) | Efficient electrolytic grinding device and machining method for honeycomb sector | |
| CN102489797A (en) | Machining device and method for polishing blade profile of integrated bladed disk | |
| CN102941383B (en) | Thinning and electrolytic machining device for inner wall of static cutter cover of shaver and machining process method of device | |
| CN105598597A (en) | High-efficient electric arc machining platform of supplementary electromagnetic excitation modulation of rotatory ultrasonic vibration | |
| CN102581399A (en) | Electrolytic machining device for seam cluster of static blade lid of shaver and machining process | |
| CN86108056A (en) | The multi-axis electrochemical machining tool that is used for the aerofoil profile of processing rotor | |
| CN111151829A (en) | Electrolytic deburring device and method for deep and long crossed holes | |
| CN100488688C (en) | Non-conducting material spark milling electrode tip | |
| CN107891201B (en) | It casts revolving parts casting surplus and casts the electrochemical machining method of riser | |
| CN112222547B (en) | Efficient electrochemical machining device and method for multiple-cavity structure on inner surface of casing | |
| CN112025010B (en) | Vertical electrolytic machining equipment and method for complex inner spiral line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |