CN105252405A - Airflow-assisted abrasive flow polishing method for internal cylindrical surface - Google Patents
Airflow-assisted abrasive flow polishing method for internal cylindrical surface Download PDFInfo
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- CN105252405A CN105252405A CN201510605856.6A CN201510605856A CN105252405A CN 105252405 A CN105252405 A CN 105252405A CN 201510605856 A CN201510605856 A CN 201510605856A CN 105252405 A CN105252405 A CN 105252405A
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- abrasive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
- B24B31/116—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using plastically deformable grinding compound, moved relatively to the workpiece under the influence of pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to an airflow-assisted abrasive flow polishing method for an internal cylindrical surface. According to the airflow-assisted abrasive flow polishing method for the internal cylindrical surface, the inner wall of a round-pipe-shaped workpiece is polished by means of the combined action of the high-speed rotation of a cylindrical polishing tool and high-speed airflow sprayed out of the cylindrical polishing tool; the rotating speed of the polishing tool is limited to be 500-5000 r/min, and the airflow pressure of the high-speed airflow at airflow outlets is limited to be 0.15-0.6 Mpa; abrasive flow is driven through the airflow at the airflow outlets to a certain extent, and more importantly, the original abrasive flow is promoted through the airflow at the airflow outlets to move irregularly, so that a disordered abrasive flow field which can better facilitate polishing is formed by the abrasive flow, and finally, the effect of removing the inner surface of the workpiece is achieved; the surface consistency is good, and the polishing efficiency and uniformity of the surface of the inner wall of the round-pipe-shaped workpiece are improved.
Description
Technical field
The invention belongs to flow surface grinding/polishing technology field, particularly relate to a kind of inner cylinder face air-flow and assist abrasive Flow polishing processing method.
Background technology
In some particular application in national defence, Aero-Space and civilian industry field, need the tubular workpieces on a class face of cylinder, its Nei Bi Transverse cross section is circle, the inner surface of such workpiece need meet higher roughness and surface figure accuracy requirement, and affected layer and sub-surface damage can not be had, to reach high-accuracy property, stability and high reliability target in actual application.For the inner surface polishing of this kind of workpiece, processing method Yin Qiyi that is rigid or soft contact formula causes affected layer and sub-surface damage and inapplicable, therefore usually adopt contactless abrasive Flow Machining method, such as liquid-solid two-phase soft abrasive fluid polishing processing method.
The liquid-solid two-phase soft abrasive fluid polishing that early stage occurs is for theoretical foundation with the turbulent flow of abrasive Flow, based on mutual collision between abrasive particle and the collision between abrasive particle and wall, dynamic analysis is carried out to abrasive particle, utilize in Turbulent Flow Field that abrasive particle is to the shear action of wall, to the wall of workpiece, coarse place carries out precise polished processing.
At present, the mode that runner adopts single entrance, list exports that liquid-solid two-phase abrasive Flow polishing is used, fluid flows into from the entrance of runner, and outlet is flowed out, and is finally back to abrasive Flow storage bin.According to the process principle of two-phase abrasive Flow, turbulent flow must be formed in runner to the abrasive Flow that workpiece is processed, in turbulent flow, the randomness of grain motion is conducive to the uniformity improving superficial makings, until realize surface of the work without instrument minute surface level processing effect.Based on the research situation in early stage, there is following shortcoming in the processing flow channel that simple single input exports: 1. the pressure of booster pump or flow lower time, the flow velocity of the liquid-solid two-phase abrasive Flow that booster pump exports can not reach the minimum speed of turbulization, the abrasive Flow in abrasive particle runner is caused to be in laminar condition, and then causing the cutting probability of the abrasive particle in abrasive Flow to surface of the work very low, processing effect is not obvious; 2. the flow velocity of booster pump output abrasive Flow reaches the minimum speed forming turbulent flow in runner, and because processing flow channel is longer, energy loss in flow process, tubulence energy declines, and causes work pieces process effect uneven.3. wide in range when running into the distribution of workpiece to be machined size shape, rely on foregoing processing method extremely to waste time and energy, need to develop a kind of adaptive ability strong and economic green precise polished processing method and device.
Summary of the invention
In order to solve in existing processing method inadaptable, the DeGrain of tubular workpiece inner wall mirror polish or uneven problem, the present invention proposes a kind of inner cylinder face air-flow and assisting abrasive Flow polishing processing method.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing method, it is characterized in that comprising the steps:
1) tubular workpiece is fixed in processing reservoir, cylindrical polishing instrument is embedded to be placed in tubular workpiece, simultaneously by cylindrical polishing tool holding at three axle servo-drive system ends, cylindrical polishing instrument screw top hole connector is connected with the output shaft of servomotor;
2) accurate three axle servo drive systems are started, X-axis line slideway is driven on slide unit at X-axis elaborate servo and slides, setpoint distance is reached in X-direction to cylindrical polishing instrument and tubular workpiece, again by regulating Y-axis line slideway to drive the position on slide unit at Y-axis elaborate servo, setpoint distance is reached in Y direction to cylindrical polishing instrument and tubular workpiece, regulate the distance of Z axis again, make cylindrical polishing tool and tubular workpiece concentric and form ring gap region between the two;
3) when processing starts, first in described cylindrical polishing instrument, pass into high velocity air by air pipe interface, described high velocity air is by being distributed on the airflow hole high-speed uniform ejection of cylindrical polishing instrument wall, start described centrifugal pump subsequently, abrasive Flow is transported in processing reservoir, abrasive Flow is by the microspur gap area between complete filling disks cylindricality polishing instrument and tubular workpiece, finally open the servomotor of servo motor driving system, drive described cylindrical polishing instrument High Rotation Speed, and then form high-speed rotational abrasive particle stream in microspur gap area, in conjunction with the high velocity air of airflow hole ejection, both actings in conjunction, high-efficiency and precision polishing is carried out to described tubular workpiece inner wall surface, while processing, Z axis in its three axles servo drive system, can be according to actual needs, adjusting gear drive installation plate drives the position on slide unit at Z axis elaborate servo, make cylindrical polishing instrument adjustable in the Z-axis direction, it is utilized to carry out the polishing of larger axial dimension.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing method, it is characterized in that described abrasive Flow is the polishing fluids medium by abrasive particle and water or light oil Homogeneous phase mixing.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing method, it is characterized in that described abrasive particle is silica, carborundum or aluminium oxide.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing method, it is characterized in that described Abrasive Particle Size is 8-500nm.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing method, it is characterized in that the spacing of the described outside wall surface of cylindrical polishing instrument and the internal face of tubular workpiece is less than 1mm.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing method, it is characterized in that the rotating speed 500-5000r/min of described cylindrical polishing instrument.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing method, it is characterized in that the stream pressure in described airflow hole exit is 0.15-0.6Mpa.
The polishing processing device that present invention process is used, comprise installation frame, it is characterized in that described installation frame being arranged accurate three axle servo drive systems, abrasive particle flow circulating system and servo motor driving system, cylindrical polishing instrument connects the precision three axle servo drive system of its position, location and drives the servo motor driving system himself rotated, cylindrical polishing instrument and tubular workpiece are placed in abrasive particle flow circulating system, cylindrical polishing instrument is built in tubular workpiece, and cylindrical polishing instrument and tubular workpiece concentric, ring gap region is formed between cylindrical polishing tool exterior wall face and tubular workpiece inner wall face.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing device, it is characterized in that described installation frame is two-level architecture, comprise frame and framework panel, described framework panel is arranged the three axle servo drive system installing racks being used for installing accurate three axle servo drive systems, described framework panel surface middle part is provided with processing reservoir.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing device, it is characterized in that described accurate three axle servo drive systems comprise X-axis elaborate servo and drive slide unit, X-axis drives connecting plate I, Y shape connector I, Y-axis elaborate servo drives slide unit, Y-axis line slideway, Z axis elaborate servo drives slide unit, Z axis is slidably installed plate, Y-axis drive system installing plate, Y shape connector II, X-axis drives connecting plate II, X-axis line slideway and gear drive installing plate, described X-axis line slideway is respectively two, X-axis elaborate servo drives slide unit to be fixed on the three relative both sides of axle servo drive system installing rack, X-axis line slideway and X-axis elaborate servo drive slide unit to be connected, one of them X-axis line slideway top drives connecting plate I to connect Y shape connector I by X-axis, another X-axis line slideway top drives connecting plate II to connect Y shape connector II by X-axis, described Y-axis drive system installing plate two ends connect Y shape connector I and Y shape connector II, and Y-axis elaborate servo drives slide unit to be fixed on Y-axis drive system installing plate and is connected with Y-axis line slideway, the described Z axis plate that is slidably installed is fixed in the middle part of Y-axis drive system installing plate, Z axis elaborate servo driving slide unit is fixed on Z axis and is slidably installed on plate, and be connected with gear drive installing plate, described gear drive installing plate can drive on slide unit at Z axis elaborate servo and slide up and down, and gear drive installing plate is for clamping cylindrical polishing instrument.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing device, it is characterized in that described servo motor driving system comprises servomotor installing plate and servomotor, described servomotor installing plate is fixed on gear drive installing plate, servomotor is arranged on servomotor installing plate, servomotor connects straight spur gear II by shaft coupling, straight spur gear II and straight spur gear I are connected with a joggle, the output shaft of straight spur gear I is connected with cylindrical polishing instrument, and fixed by gear shaft locking nut, servomotor drives cylindrical polishing instrument to rotate.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing device, it is characterized in that described abrasive particle flow circulating system comprises the processing reservoir being arranged on framework panel center, the water tank being arranged on frame side, centrifugal pump is provided with in described water tank, centrifugal pump connects first pipeline one end, the first pipeline other end inserts in processing reservoir, bottom processing reservoir, liquid outlet connects second pipe one end, the second pipe other end inserts in water tank, makes to form abrasive Flow circulation between processing reservoir and water tank.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing device, it is characterized in that described cylindrical polishing instrument is cylindrical structural, its center, upper surface has screwed hole joint, described screwed hole joint is connected with the output shaft of servo motor driving system, screwed hole on described screwed hole joint is set to air pipe interface, compressed air is injected in the inner chamber of cylindrical polishing instrument and forms air cavity, cylindrical polishing instrument wall has airflow hole, high velocity air in air cavity is sprayed by airflow hole high-speed uniform, polishing is carried out to tubular workpiece inner wall surface.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing device, it is characterized in that described abrasive Flow is the polishing fluids medium by abrasive particle and water or light oil Homogeneous phase mixing.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing device, it is characterized in that described abrasive particle is silica, carborundum or aluminium oxide.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing device, it is characterized in that the spacing of the described outside wall surface of cylindrical polishing instrument and the internal face of tubular workpiece is less than 1mm.
Described a kind of inner cylinder face air-flow assists abrasive Flow polishing processing device, it is characterized in that described airflow hole is inclined on cylindrical polishing instrument wall.
By adopting above-mentioned technology, compared with prior art, beneficial effect of the present invention is mainly manifested in:
The present invention utilizes a kind of High Rotation Speed of cylindrical polishing instrument self and the high velocity air acting in conjunction from its inner ejection, polishing tool rotating speed is defined as 500-5000r/min, high velocity air is defined as 0.15-0.6Mpa at the stream pressure in airflow hole exit, air-flow in each airflow hole exit is except having certain driving effect to abrasive Flow, the more important thing is the irregular movement impelling former abrasive Flow, become advantageously in the disordering abrasive particle flow field of polishing, finally work piece inner surface is formed to the effect evenly removed, surface conformance is good, improve polishing efficiency and the uniformity on tubular workpiece inner wall surface.
Accompanying drawing explanation
Fig. 1 is the first shaft side figure structural representation of apparatus of the present invention;
Fig. 2 is the second shaft side figure structural representation of apparatus of the present invention;
Fig. 3 is that air-flow of the present invention assists abrasive Flow polishing schematic cross-sectional view;
Fig. 4 is the top view of Fig. 3 of the present invention.
In figure: 1-frame, 2-framework panel, 3-tri-axle servo drive system installing rack, 4-X axle elaborate servo drives slide unit, 5-X axle drives connecting plate I, 6-Y shape connector I, 7-Y axle elaborate servo drives slide unit, 8-Y axle line slideway, 9-servomotor installing plate, 10-servomotor, 11-shaft coupling, 12-Z axle elaborate servo drives slide unit, 13-Z axle is slidably installed plate, 14-gear drive installing plate, 15-air pipe interface, 16-gear shaft locking nut, 17-straight spur gear I, the cylindrical polishing instrument of 18-, 18a-airflow hole, 19-Y axle drive system installing plate, 20-Y shape connector II, 21-X axle drives connecting plate II, 22-X axle line slideway, 23-processes reservoir, 24-tubular workpiece, 25-water tank, 26-first pipeline, 27-second pipe, 28-centrifugal pump, 29-straight spur gear II.
Detailed description of the invention
By reference to the accompanying drawings, below, the present invention is described in detail.
Inner cylinder face air-flow of the present invention assists abrasive Flow polishing processing method, comprises the steps:
1) tubular workpiece 24 is fixed in processing reservoir 23, cylindrical polishing instrument 18 is embedded to be placed in tubular workpiece 24, cylindrical polishing instrument 18 is clamped in three axle servo-drive system ends, cylindrical polishing instrument 18 screw top hole connector is connected with the output shaft of servomotor simultaneously;
2) accurate three axle servo drive systems are started, X-axis line slideway 22 is driven on slide unit 4 at X-axis elaborate servo and slides, setpoint distance is reached with tubular workpiece 24 in X-direction to cylindrical polishing instrument 18, again by regulating Y-axis line slideway 8 to drive the position on slide unit 7 at Y-axis elaborate servo, setpoint distance is reached with tubular workpiece 24 in Y direction to cylindrical polishing instrument 18, regulate the distance of Z axis again, make cylindrical polishing tool 18 with tubular workpiece 24 concentric and form ring gap region between the two;
3) when processing starts, first in described cylindrical polishing instrument 18, pass into high velocity air by air pipe interface 15, described high velocity air is by being distributed on the airflow hole 18a high-speed uniform ejection of described cylindrical polishing instrument 18 wall, the stream pressure in airflow hole 18a exit is made to be 0.15-0.6Mpa, start described centrifugal pump 28 subsequently, abrasive Flow is transported in processing reservoir 23, abrasive Flow is by the microspur gap area between complete filling disks cylindricality polishing instrument 18 and tubular workpiece 24, finally open the servomotor 10 of servo motor driving system, described cylindrical polishing instrument 18 is driven to take rotating speed as the High Rotation Speed of 500-5000r/min, and then form high-speed rotational abrasive particle stream in microspur gap area, in conjunction with the high velocity air that airflow hole 18a sprays, both actings in conjunction, high-efficiency and precision polishing is carried out to described tubular workpiece 24 inner wall surface, while processing, Z axis in its three axles servo drive system, can be according to actual needs, adjusting gear drive installation plate 14 drives the position on slide unit 12 at Z axis elaborate servo, make cylindrical polishing instrument 18 adjustable in the Z-axis direction, it is utilized to carry out the polishing of larger axial dimension.
The present invention's abrasive Flow used is the polishing fluids medium by abrasive particle and water or light oil Homogeneous phase mixing, and abrasive particle is silica, carborundum or aluminium oxide.
With reference to accompanying drawing 1-4, the present invention's inner cylinder face air-flow used assists abrasive Flow polishing processing device, for polishing tubular workpiece, it comprises installation frame, described installation frame is two-level architecture, comprise frame 1 and framework panel 2, described framework panel 2 is arranged three axle servo drive system installing racks 3, described framework panel 2 surface middle part is provided with processing reservoir 23; Three axle servo drive system installing racks 3 are used for installing accurate three axle servo drive systems, abrasive particle flow circulating system is arranged on installation frame, servo motor driving system is arranged on three axle servo drive system installing racks 3, cylindrical polishing instrument 18 is hold by accurate three axle servo drive systems and is fixed on processing reservoir 23 center position, cylindrical polishing instrument 18 top is connected with the output shaft of servo motor driving system, drives it to rotate by servo motor driving system; Tubular workpiece 24 is placed in the processing reservoir 23 of abrasive particle flow circulating system, cylindrical polishing instrument 18 is built in tubular workpiece, and cylindrical polishing instrument 18 and tubular workpiece 24 concentric, form ring gap region between cylindrical polishing instrument 18 outside wall surface and tubular workpiece 24 internal face, the spacing of described cylindrical polishing instrument 18 outside wall surface and tubular workpiece 24 internal face is less than 1mm.
As shown in the figure, described accurate three axle servo drive systems comprise X-axis elaborate servo and drive slide unit 4, X-axis drives connecting plate I 5, Y shape connector I 6, Y-axis elaborate servo drives slide unit 7, Y-axis line slideway 8, Z axis elaborate servo drives slide unit 12, Z axis is slidably installed plate 13, Y-axis drive system installing plate 19, Y shape connector II 20, X-axis drives connecting plate II 21, X-axis line slideway 22 and gear drive installing plate 14, described X-axis line slideway 22 is respectively two, X-axis elaborate servo drives slide unit 4 to be fixed on the three relative both sides of axle servo drive system installing rack 3, X-axis line slideway 22 and X-axis elaborate servo drive slide unit 4 to be connected, one of them X-axis line slideway 22 top drives connecting plate I 5 to connect Y shape connector I 6 by X-axis, another X-axis line slideway 22 top drives connecting plate II 21 to connect Y shape connector II 20 by X-axis, described Y-axis drive system installing plate 19 two ends connect Y shape connector I 6 and Y shape connector II 20, and Y-axis elaborate servo drives slide unit 7 to be fixed on Y-axis drive system installing plate 19 and is connected with Y-axis line slideway 8, the described Z axis plate 13 that is slidably installed is fixed in the middle part of Y-axis drive system installing plate 19, Z axis elaborate servo driving slide unit 12 is fixed on Z axis and is slidably installed on plate 13, and be connected with gear drive installing plate 14, described gear drive installing plate 14 can drive on slide unit 12 at Z axis elaborate servo and slide up and down, and gear drive installing plate 14 is for clamping cylindrical polishing instrument 18.
Described servo motor driving system comprises servomotor installing plate 9 and servomotor 10, described servomotor installing plate 9 is fixed on gear drive installing plate 14, servomotor 10 is arranged on servomotor installing plate 9, servomotor 10 connects straight spur gear II 29 by shaft coupling 11, straight spur gear II 29 and straight spur gear I 17 are connected with a joggle, the output shaft of straight spur gear I 17 is connected with cylindrical polishing instrument 18, and fixed by gear shaft locking nut 16, servomotor 10 drives cylindrical polishing instrument 18 to rotate.
Described abrasive particle flow circulating system comprises the processing reservoir 23 being arranged on framework panel 2 center, be arranged on the water tank 25 of frame 1 side, centrifugal pump 28 is provided with in described water tank 25, centrifugal pump 28 connects first pipeline 26 one end, first pipeline 26 other end inserts in processing reservoir 23, bottom processing reservoir 23, liquid outlet connects second pipe 27 one end, second pipe 27 other end inserts in water tank 25, make between processing reservoir 23 and water tank 25, to form abrasive Flow circulation, first pipeline 26 and second pipe 27 connect and compose through square adapter by one group of water pipe.
Described cylindrical polishing instrument 18 is cylindrical structural, its center, upper surface has screwed hole joint, described screwed hole joint is connected with the output shaft of servo motor driving system, screwed hole on described screwed hole joint is set to air pipe interface 15, compressed air is injected in the inner chamber of cylindrical polishing instrument 18 and forms air cavity, cylindrical polishing instrument 18 wall has multiple with the airflow hole 18a of certain forms arrangement, high velocity air in air cavity is evenly sprayed by airflow hole 18a, polishing is carried out to tubular workpiece 24, in order to improve polishing effect, described airflow hole 18a is inclined on cylindrical polishing instrument 18 wall by the present invention, airflow hole 18a is circular port, can be annular, spirality or circular array are on cylindrical polishing instrument 18 wall.The form parameter of described airflow hole 18a has three: the angle of diameter, the degree of depth, airflow hole and wall and angle of inclination, airflow hole diameter and angle of inclination can set according to actual needs, and its degree of depth is determined by the wall thickness of angle of inclination and cylindrical polishing instrument 18.The stream pressure in described airflow hole 18a exit is 0.15-0.6Mpa.
Described abrasive Flow is the polishing fluids medium by abrasive particle and water or light oil Homogeneous phase mixing, and described abrasive particle is silica, carborundum or aluminium oxide, and this Abrasive Particle Size is 8-500nm.
As shown in the figure, polishing process of the present invention is as follows:
1) location of cylindrical polishing instrument 18: according to the spacing between the cylindrical polishing instrument 18 set and tubular workpiece 24, cylindrical polishing instrument 18 is put to work piece inner surface either side, open accurate three axle servo drive systems, before polishing, cylindrical polishing instrument 18 is put to tubular workpiece 24 inner surface either side, both form the gap needing size, first X-axis line slideway 22 is driven on slide unit 4 at X-axis elaborate servo and slide, setpoint distance is reached with tubular workpiece 24 in X-direction to cylindrical polishing instrument 18, again by regulating Y-axis line slideway 8 to drive the position on slide unit 7 at Y-axis elaborate servo, setpoint distance is reached with tubular workpiece 24 in Y direction to cylindrical polishing instrument 18, the distance of Z axis can be according to actual needs, adjusting gear drive installation plate 14 drives the position on slide unit 12 at Z axis elaborate servo, after position mixes up, start polishing,
2) polishing starts: when processing starts, first in described cylindrical polishing instrument 18, pass into high velocity air by air pipe interface 15, described high velocity air is by being arranged on the airflow hole 18a high-speed uniform ejection of described cylindrical polishing instrument 18 wall, start described centrifugal pump 28 subsequently, abrasive Flow is transported in processing reservoir 23, abrasive Flow is by the microspur gap area between complete filling disks cylindricality polishing instrument 18 and tubular workpiece 24, finally open the servomotor 10 of servo motor driving system, drive described cylindrical polishing instrument 18 High Rotation Speed, and then form high-speed rotational abrasive particle stream in microspur gap area, in conjunction with the high velocity air that airflow hole 18a sprays at a high speed, both actings in conjunction, high-efficiency and precision polishing is carried out to described tubular workpiece 24 inner wall surface, while processing, Z axis in its three axles servo drive system, can be according to actual needs, adjusting gear drive installation plate 14 drives the position on slide unit 12 at Z axis elaborate servo, make cylindrical polishing instrument 18 adjustable in the Z-axis direction, it is utilized to carry out the polishing of larger axial dimension.
Three axle servo-drive of the present invention are mainly used for the location of polishing tool, in process, the Z axis elaborate servo of described three axle servo drive systems drives slide unit 12 to drive cylindrical polishing instrument 18 to carry out moving back and forth in Z-direction, and then improves the uniformity of polishing.
Content described in this description embodiment is only enumerate the part that the present invention conceives institute's way of realization; protection scope of the present invention only should not be confined to the concrete form that embodiment is stated, protection scope of the present invention and in those skilled in the art according to the thinkable equivalent technologies means of technical conceive of the present invention.
Claims (7)
1. inner cylinder face air-flow assists an abrasive Flow polishing processing method, it is characterized in that comprising the steps:
1) tubular workpiece (24) is fixed in processing reservoir (23), cylindrical polishing instrument (18) is embedded to be placed in tubular workpiece (24), cylindrical polishing instrument (18) is clamped in three axle servo-drive system ends, cylindrical polishing instrument (18) screw top hole connector is connected with the output shaft of servomotor simultaneously;
2) accurate three axle servo drive systems are started, X-axis line slideway (22) is driven the upper slip of slide unit (4) at X-axis elaborate servo, setpoint distance is reached in X-direction to cylindrical polishing instrument (18) and tubular workpiece (24), again by regulating Y-axis line slideway (8) to drive the position on slide unit (7) at Y-axis elaborate servo, setpoint distance is reached in Y direction to cylindrical polishing instrument (18) and tubular workpiece (24), regulate the distance of Z axis again, make cylindrical polishing tool (18) with tubular workpiece (24) concentric and form ring gap region between the two,
3) when processing starts, first in described cylindrical polishing instrument (18), pass into high velocity air by air pipe interface (15), described high velocity air is by being distributed on airflow hole (18a) the high-speed uniform ejection of cylindrical polishing instrument (18) wall, start described centrifugal pump (28) subsequently, abrasive Flow is transported in processing reservoir (23), abrasive Flow is by the microspur gap area between complete filling disks cylindricality polishing instrument (18) and tubular workpiece (24), finally open the servomotor (10) of servo motor driving system, drive described cylindrical polishing instrument (18) High Rotation Speed, and then form high-speed rotational abrasive particle stream in microspur gap area, in conjunction with the high velocity air that airflow hole (18a) sprays, both actings in conjunction, high-efficiency and precision polishing is carried out to described tubular workpiece (24) inner wall surface, while processing, Z axis in its three axles servo drive system, can be according to actual needs, adjusting gear drive installation plate (14) drives the position on slide unit (12) at Z axis elaborate servo, make cylindrical polishing instrument (18) adjustable in the Z-axis direction, it is utilized to carry out the polishing of larger axial dimension.
2. a kind of inner cylinder face air-flow according to claim 1 assists abrasive Flow polishing processing method, it is characterized in that described abrasive Flow is the polishing fluids medium by abrasive particle and water or light oil Homogeneous phase mixing.
3. a kind of inner cylinder face air-flow according to claim 1 assists abrasive Flow polishing processing method, it is characterized in that described abrasive particle is silica, carborundum or aluminium oxide.
4. a kind of inner cylinder face air-flow according to claim 1 assists abrasive Flow polishing processing method, it is characterized in that described Abrasive Particle Size is 8-500nm.
5. a kind of inner cylinder face air-flow according to claim 1 assists abrasive Flow polishing processing method, it is characterized in that the spacing of the described outside wall surface of cylindrical polishing instrument and the internal face of tubular workpiece is less than 1mm.
6. a kind of inner cylinder face air-flow according to claim 1 assists abrasive Flow polishing processing method, it is characterized in that the rotating speed 500-5000r/min of described cylindrical polishing instrument (18).
7. a kind of inner cylinder face air-flow according to claim 1 assists abrasive Flow polishing processing method, it is characterized in that the stream pressure in described airflow hole (18a) exit is 0.15-0.6Mpa.
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| CN201510605856.6A CN105252405B (en) | 2015-09-22 | 2015-09-22 | A kind of inner cylinder face air-flow aids in abrasive Flow polishing processing method |
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| CN107009199A (en) * | 2017-05-03 | 2017-08-04 | 宁波工程学院 | A kind of micro- texture manufacturing process of inner surface |
| CN107030614A (en) * | 2017-03-27 | 2017-08-11 | 宁波工程学院 | A kind of micro- texture manufacturing process in surface based on jet |
| CN107717707A (en) * | 2017-11-17 | 2018-02-23 | 白冠军 | Piston drives reciprocating suspension polishing machine |
| CN108581816A (en) * | 2018-04-02 | 2018-09-28 | 浙江工业大学 | Three-phase flow dynamic pressure cavitation polishing method and device |
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| CN107030614B (en) * | 2017-03-27 | 2019-02-22 | 宁波工程学院 | A kind of micro- texture manufacturing process in surface based on jet stream |
| CN107009199A (en) * | 2017-05-03 | 2017-08-04 | 宁波工程学院 | A kind of micro- texture manufacturing process of inner surface |
| CN107009199B (en) * | 2017-05-03 | 2019-09-06 | 宁波工程学院 | A kind of micro- texture manufacturing process of inner surface |
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| CN108581816A (en) * | 2018-04-02 | 2018-09-28 | 浙江工业大学 | Three-phase flow dynamic pressure cavitation polishing method and device |
| CN111070073A (en) * | 2019-12-31 | 2020-04-28 | 中国计量大学 | Inner cylindrical surface hydrodynamic cavitation reinforcing abrasive flow polishing system |
| CN111070073B (en) * | 2019-12-31 | 2021-05-04 | 中国计量大学 | Inner cylindrical surface hydrodynamic cavitation reinforcing abrasive flow polishing system |
| CN117047642A (en) * | 2023-10-12 | 2023-11-14 | 烟台龙港泵业股份有限公司 | Polishing device for centrifugal pump machining |
| CN117047642B (en) * | 2023-10-12 | 2023-12-08 | 烟台龙港泵业股份有限公司 | Polishing device for centrifugal pump machining |
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