CN1712163A - Automatic device and method for machining curve surface of external spiral space - Google Patents
Automatic device and method for machining curve surface of external spiral space Download PDFInfo
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- CN1712163A CN1712163A CN 200510046770 CN200510046770A CN1712163A CN 1712163 A CN1712163 A CN 1712163A CN 200510046770 CN200510046770 CN 200510046770 CN 200510046770 A CN200510046770 A CN 200510046770A CN 1712163 A CN1712163 A CN 1712163A
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Abstract
An automatic lathe or miller for machining the spirally curved surface is composed of mainshaft box, mainshaft, chuck, machine frame, tailstock, center on the axle of tailstock, and milling tool driving unit consisting of X,Y and Z slide benches and electric mainshaft. Its machining technology includes such steps as milling reference surface, milling for shaping, refining and tempering.
Description
Technical field
The invention belongs to the machine cut process technology, particularly a kind of turnning and milling device and processing method of external spiral space curved surface.
Background technology
At present, usually adopt a plurality of space spiral curved surfaces of outer surface of plain-milling machine or CNC milling machine Milling Process revolving parts, this processing method not only production efficiency is low, and when the spatial position precision of dimensional accuracy, form accuracy, spiral camber had relatively high expectations, be difficult to guarantee product quality, and yield rate is lower.Therefore, be sought after studying that a kind of processing technology is simple, production efficiency is high, production cost is low, and can guarantee machining accuracy replace the method for Milling Process with turnning and milling processing.
Summary of the invention
The objective of the invention is to have the technical problem that a plurality of spiral space Machining of Curved Surface exist at outer round surface, provide a kind of simple in structure, production efficiency is high, processing technology is simple, production cost is low and can guarantee the automatic turnning and milling device and the processing method of the external spiral space curved surface of Working position precision, form accuracy.
Operation principle of the present invention is: on the horizontal type turning and milling machining tool, adopt revolution of workpiece low speed and milling cutter to rotate the orthogonal turn-milling processing method of fast feed at a high speed, milling cutter is on the circumference direction of processing work, do continuously up and down and lengthwise movement according to the track of a plurality of space curve curvature tangent points, carry out turnning and milling processing, until the automatic turnning and milling processing of finishing the external spiral space curved surface.It is exactly the shape of space curve that turnning and milling adds the milling point movement locus envelope that constitutes man-hour.This method has changed the milling method that moves back and forth on traditional milling machine.
Automatic turnning and milling device of the present invention comprises chuck, main spindle box, milling cutter, the milling cutter driver element, top, tailstock tool, chuck is fixed on the main shaft of main spindle box front end, main spindle box is arranged on the left end of lathe bed, top being installed on the tailstock tool axle, tailstock tool is arranged on the right-hand member of lathe bed, the milling cutter driver element by X to working slider, Z is to working slider, Y forms to working slider and electric main shaft, the electricity main shaft is fixed on Z on working slider, Z is arranged on Y on working slider to working slider, Y is slided to work and is arranged on X on working slider, X is fixed on the lathe bed to working slider, realize that electric main shaft is at X, Y, three directions of Z are done working motion, and milling cutter is fixed on the electric main shaft, workpiece setting chuck and top between, the high speed turn-milling processing method of external spiral space curved surface of the present invention, changed traditional milling method, the high speed turn-milling finished surface of external spiral space curved surface does not have processing thermal stress and internal stress, and workpiece is indeformable, finished surface has compression, the surface strength height.
The processing method of external spiral space curved surface of the present invention, its processing technology step is: datum level, centre hole and the cylindrical of (1) processing parts; (2) processing and forming external spiral space curved surface, adopt ultrahigh speed coating finger cutter, the Tool in Cutting rotating speed is 3000～6000r/min, tool feeding speed is 0.1～0.3mm/r, workpiece rotational frequency is 5～20r/min, optimum speed is 8～15r/min, adopt water cooling, at room temperature, part is with the continuous low speed rotation of main spindle box, cutter is made F.F., cutting external spiral space curved surface and rapid-return motion according to procedure, continuously processes repeatedly, until the machine-shaping of all finishing spiral camber; (3) fine finishining spiral camber adopts ultrahigh speed coating finger cutter, and the Tool in Cutting rotating speed is 3500～6000r/min, tool feeding speed is 0.1～0.25mm/r, workpiece rotational frequency is 8～20r/min, and purpose is that spiral camber is carried out fine finishining and finishing, reaches the specification requirement of machining accuracy.
That the present invention has is simple in structure, production efficiency is high, processing technology is simple, production cost is low and can guarantee advantages such as Working position precision, form accuracy, can satisfy the specification requirement of many space curved surfaces of external spiral high speed turn-milling processing.
Description of drawings
Fig. 1 is the structural representation of the automatic turnning and milling device of the present invention;
Among the figure: 1 workpiece, 2 chucks, 3 main spindle boxes, 4 milling cutters, 5 milling cutter driver elements, 6 top, 7 tailstock tools.
The specific embodiment
Further specify the process of automatic turnning and milling device of external spiral space curved surface of the present invention and processing in conjunction with example.
As shown in Figure 1, a kind of automatic turnning and milling device and processing method of external spiral space curved surface, diameter of work φ 120mm, the workpiece of being processed has six external spiral space curved surfaces, adopts φ 20mm TiN coating four tooth finger cutters.This device comprises chuck 2, main spindle box 3, milling cutter 4, milling cutter driver element 5, top 6, tailstock tool 7.Chuck 2 is fixed on the main shaft of main spindle box 3 front ends, main spindle box 3 is fixed on the left end of lathe bed by screw, top 6 are installed on the axle of tailstock tool 7, tailstock tool 7 is arranged on the right-hand member of lathe bed, milling cutter driver element 5 by X to working slider, Z is to working slider, Y forms to working slider and electric main shaft, the electricity main shaft is fixed on Z on working slider by screw, Z is fixed on Y to working slider on working slider by screw, Y is fixed on X to working slider on working slider by screw, X is fixed on the lathe bed by screw to working slider, milling cutter driver element 5 realizes that electric main shaft is at X, Y, three directions of Z are done working motion, four tooth finger cutters 4 are fixed on the electric main shaft, and workpiece 1 is arranged between chuck 2 and top 6.
Process of the present invention is: processing beginning, machine tool chief axis begins to slowly run continuously, when the rotating speed of main shaft be in stable after, milling cutter 4 begins to rotate, lathe is in the preparation machining state.At first, milling cutter 4 is by the right part feed of workpiece 1, enter certain degree of depth after, milling cutter 4 is made the high speed rotary cutting along directions X and is moved, the spiral camber on turnning and milling processing excircles surface; When milling cutter 4 when the directions X machining moves to the right part of external spiral curved surface, 4 compound directions along Y and Z direction of milling cutter are moved upwards up to the height point position of external spiral curved surface, this moment, milling cutter 4 moved down the processing of carrying out next external spiral curved surface.Milling cutter 4 one sides will clocklike move up and down at the compound direction of circumferencial direction along Y and Z, and one side is done continual moving at directions X again, finishes the processing of external spiral curved surface.After the external spiral Machining of Curved Surface is finished, milling cutter still continues to move along directions X under certain cutting-in, end up to being worked into desired Workpiece length, at this moment milling cutter 4 is along the compound direction of Y and Z, upwards rapid return, and get back to fast on the initial Working position of milling cutter, turnning and milling has machined a working cycles.Regulation milling cutter by operation continues feed, and carries out shuttling movement by above-mentioned action, till the degree of depth of finishing the desired space curve of drawing.Milling cutter 4 returns to dead-center position fast.Utilize the cylindrical milling cutter of minor diameter to mill the root of a plurality of external spiral curved surfaces clearly again, its process is identical with above-mentioned method for milling, mill clearly until the root of whole external spiral space curves and to finish, milling cutter returns to dead-center position again fast, main shaft stops operating, and finishes whole machinings of external spiral space curved surface.
Its processing technology step is: datum level, centre hole and the cylindrical of (1) processing parts; (2) processing and forming external spiral space curved surface, adopt φ 20mm TiN coating four tooth finger cutters, the Tool in Cutting rotating speed is 5000r/min, and tool feeding speed is 0.15mm/r, and workpiece rotational frequency is 16r/min, adopt water cooling, at room temperature, part is with the continuous low speed rotation of main spindle box, and cutter is made F.F., cutting external spiral curved surface and rapid-return motion according to procedure, continuously process repeatedly, until the machine-shaping of all finishing the external spiral curved surface; (3) fine finishining external spiral curved surface adopts φ 20mm TiN coating four tooth finger cutters, and the Tool in Cutting rotating speed is 5500r/min, tool feeding speed is 0.12mm/r, workpiece rotational frequency is 20r/min, and purpose is that external spiral camber carries out fine finishining and finishing root, reaches the specification requirement of machining accuracy.
Claims (3)
1, a kind of automatic turnning and milling device of external spiral space curved surface, it is characterized in that, comprise chuck, main spindle box, milling cutter, the milling cutter driver element, top, tailstock tool, chuck is fixed on the main shaft of main spindle box front end, main spindle box is arranged on the left end of lathe bed, top being installed on the tailstock tool axle, tailstock tool is arranged on the right-hand member of lathe bed, the milling cutter driver element by X to working slider, Z is to working slider, Y forms to working slider and electric main shaft, the electricity main shaft is fixed on Z on working slider, Z is arranged on Y on working slider to working slider, Y is slided to work and is arranged on X on working slider, X is fixed on the lathe bed to working slider, and milling cutter is fixed on the electric main shaft, workpiece setting chuck and top between.
2, the automatic turnning and milling device of a kind of external spiral space curved surface as claimed in claim 1, it is characterized in that the high speed turn-milling finished surface of described external spiral space curved surface does not have processing thermal stress and internal stress, workpiece is indeformable, finished surface has compression, the surface strength height.
3, a kind of automatic turnning and milling processing method of external spiral space curved surface is characterized in that the processing technology step is: datum level, centre hole and the cylindrical of (1) processing parts; (2) processing and forming external spiral space curved surface, adopt ultrahigh speed coating finger cutter, the Tool in Cutting rotating speed is 3000～6000r/min, and tool feeding speed is 0.1～0.3mm/r, and workpiece rotational frequency is 5～20r/min, adopt water cooling, at room temperature, part is with the continuous low speed rotation of main spindle box, and cutter is made F.F., cutting external spiral space curved surface and rapid-return motion according to procedure, continuously process repeatedly, until the machine-shaping of all finishing spiral camber; (3) fine finishining spiral camber adopts ultrahigh speed coating finger cutter, and the Tool in Cutting rotating speed is 3500～6000r/min, tool feeding speed is 0.1～0.25mm/r, workpiece rotational frequency is 8～20r/min, and purpose is that spiral camber is carried out fine finishining and finishing, reaches the specification requirement of machining accuracy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510046770 CN1712163A (en) | 2005-06-28 | 2005-06-28 | Automatic device and method for machining curve surface of external spiral space |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510046770 CN1712163A (en) | 2005-06-28 | 2005-06-28 | Automatic device and method for machining curve surface of external spiral space |
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| CN1712163A true CN1712163A (en) | 2005-12-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182564A (en) * | 2013-03-25 | 2013-07-03 | 北京工商大学 | Turning-milling linkage machining method of large-pitch worm |
| CN103286360A (en) * | 2012-03-02 | 2013-09-11 | 沈阳黎明航空发动机(集团)有限责任公司 | Tangential offset orthogonal turn-milling machining method |
| CN109047874A (en) * | 2018-09-30 | 2018-12-21 | 四川明日宇航工业有限责任公司 | A kind of armature spindle mechanical processing technique |
| CN109641332A (en) * | 2016-07-20 | 2019-04-16 | Afw控股有限公司 | Machining unit for machining workpieces |
| CN110076580A (en) * | 2019-05-23 | 2019-08-02 | 成都市新美加机械设备制造有限公司 | The production line and production technology of turbine high-pressure blade |
| CN114178875A (en) * | 2020-09-14 | 2022-03-15 | 香港城市大学深圳研究院 | Machining tool, turning and milling equipment and turning and milling method for aeroengine swirler |
| CN114570813A (en) * | 2020-12-01 | 2022-06-03 | 中国石油天然气股份有限公司 | Manufacturing method and manufacturing equipment of screw drill stator and screw drill stator |
-
2005
- 2005-06-28 CN CN 200510046770 patent/CN1712163A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286360A (en) * | 2012-03-02 | 2013-09-11 | 沈阳黎明航空发动机(集团)有限责任公司 | Tangential offset orthogonal turn-milling machining method |
| CN103286360B (en) * | 2012-03-02 | 2015-12-02 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of tangential offset orthogonal turn-milling cutting method |
| CN103182564A (en) * | 2013-03-25 | 2013-07-03 | 北京工商大学 | Turning-milling linkage machining method of large-pitch worm |
| CN103182564B (en) * | 2013-03-25 | 2016-03-02 | 北京工商大学 | A kind of turnning and milling linkage motion cutting method of coarse pitch worm screw |
| CN109641332A (en) * | 2016-07-20 | 2019-04-16 | Afw控股有限公司 | Machining unit for machining workpieces |
| US11628528B2 (en) | 2016-07-20 | 2023-04-18 | Afw Holding Gmbh | Machining unit for machining workpieces |
| CN109047874A (en) * | 2018-09-30 | 2018-12-21 | 四川明日宇航工业有限责任公司 | A kind of armature spindle mechanical processing technique |
| CN110076580A (en) * | 2019-05-23 | 2019-08-02 | 成都市新美加机械设备制造有限公司 | The production line and production technology of turbine high-pressure blade |
| CN114178875A (en) * | 2020-09-14 | 2022-03-15 | 香港城市大学深圳研究院 | Machining tool, turning and milling equipment and turning and milling method for aeroengine swirler |
| CN114570813A (en) * | 2020-12-01 | 2022-06-03 | 中国石油天然气股份有限公司 | Manufacturing method and manufacturing equipment of screw drill stator and screw drill stator |
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