CN110449599A - A kind of ring-shaped work pieces inner hole hole wall keyway processing method - Google Patents
A kind of ring-shaped work pieces inner hole hole wall keyway processing method Download PDFInfo
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- CN110449599A CN110449599A CN201910646038.9A CN201910646038A CN110449599A CN 110449599 A CN110449599 A CN 110449599A CN 201910646038 A CN201910646038 A CN 201910646038A CN 110449599 A CN110449599 A CN 110449599A
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- inner hole
- annular workpieces
- cutter hub
- ring
- processing method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/007—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor for internal turning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/32—Chip breaking or chip evacuation
- B23B2200/328—Details of chip evacuation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The present invention provides a kind of ring-shaped work pieces inner hole hole wall keyway processing method, including provides numerically-controlled machine tool, grooving cutter and annular workpieces, by annular workpieces clamping on main shaft of numerical control machine tool；Grooving cutter is set several times, to obtain keyway on annular workpieces inner hole hole wall along annular workpieces axially reciprocating.Using technical solution of the present invention, annular workpieces axial location has been determined first using the self-centering chuck on spindle of numerical control lathe, and annular workpieces clamping is easy to operate, it is easy to operate, again make grooving cutter along annular workpieces axially reciprocating by way of carry out machining, spindle of numerical control lathe does not rotate in process, grooving cutter clamping is on numerically controlled lathe tailstock, the kinematic accuracy of grooving cutter is improved using numerically controlled lathe itself feed mechanism, it lays a good foundation to improve machining accuracy, the present invention has high in machining efficiency, machining accuracy is high, the advantages that suitable for carrying out machining to small-size annular workpiece keyway.
Description
Technical field
The present invention relates to technical fields of mechanical processing, particularly relate to a kind of ring-shaped work pieces inner hole hole wall keyway processing method.
Background technique
Keyway is the common connection structure feature on various component of machine, generally, for being set to ring-shaped work pieces
Keyway arrangements feature on inner hole hole wall is generally completed the process using wire cutting machine tool, and wire cutting technology is to adopt
It uses molybdenum filament or copper wire as cutting metal wire, wire is connect into high frequency pulse power supply cathode as tool-electrode, is put using spark
Electricity cuts processing part.The pulse power provides machining energy, and the wire cutting working solution of application specific is clear in process
Except the clast generated in processing, however, wire electrode relative moving speed is slow when being processed using wire cutting technology, processing
It is inefficient, such as to be processed according to broaching machine, broaching machine is generally only applicable to process large-sized keyway arrangements feature,
And machining accuracy is not high, affects processing quality.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of ring-shaped work pieces inner hole hole wall keyway processing methods.
The present invention is achieved by the following technical programs.
The present invention provides a kind of ring-shaped work pieces inner hole hole wall keyway processing methods, comprising the following steps:
Step 1: numerically-controlled machine tool, grooving cutter and annular workpieces are provided, annular workpieces clamping described in step 1 are existed
On main shaft of numerical control machine tool；
Step 2: cut off grooving cutter described in step 1 several times, along the annular workpieces axially reciprocating
The some materials of the annular workpieces obtain keyway on the annular workpieces inner hole hole wall.
The grooving cutter includes knife bar and cutter hub, knife bar be used for by the grooving cutter clamping main shaft of numerical control machine tool it
On, cutter hub is thin sheet form, and the rear end face of cutter hub is fixedly connected with cutter hub, the rib that the front end face of cutter hub intersects with cutter hub upper surface
Side forms blade.
The cutter hub upper surface with respect to the horizontal plane between inclination angle be 10 °.
The cutter hub front end face is 30 ° relative to the inclination angle between perpendicular.
Along the cutter hub thickness direction, dust lead is formed after cut-out material respectively at left and right sides of the cutter hub
The appearance profile of slot, the projection of dregs guiding groove main view is triangle, and the first sideline is coplanar with the cutter hub front end face, the second sideline
Coplanar with the cutter hub upper surface, surface forms dust lead face where third sideline.
The cutter hub and knife bar are integrally manufactured formings.
The numerically-controlled machine tool is numerically controlled lathe, and the grooving cutter is clamped on numerically controlled lathe tailstock.
The appearance profile of the annular workpieces cross section projection is circle.
The annular workpieces inner hole is the through-hole of left and right ends connection.
The appearance profile of annular workpieces inner hole cross section projection is circle.
The beneficial effects of the present invention are: use technical solution of the present invention, by by annular workpieces clamping in numerical control lathe
On bed main shaft, annular workpieces axial location, and annular work have been determined first using the self-centering chuck on spindle of numerical control lathe
Part clamping is easy to operate, does not need to carry out clamping using special fixture, easy to operate, lays a good foundation to improve machining accuracy,
Again make dedicated grooving cutter along annular workpieces axially reciprocating by way of carry out machining, number in process
Control lathe spindle does not rotate, and grooving cutter clamping utilizes itself high-precision ball on numerically controlled lathe on numerically controlled lathe tailstock
Lead screw guide rails move back and forth grooving cutter relative to annular workpieces, improve grooving cutter and move back and forth relative to annular workpieces
Kinematic accuracy, further tamped basis to promote processing keyway machining accuracy and processing quality, and set on grooving cutter
It is equipped with corresponding row's chip structure, convenient for discharge chip, the reciprocating movement cutting technique of grooving cutter has compared to wire cutting technology
Have that process velocity is fast, high-efficient feature has machining accuracy high again, is suitable for small-size annular work compared to wire pulling method technique
The characteristics of keyway machining of part.
Detailed description of the invention
Fig. 1 is the main view of grooving cutter of the present invention；
Fig. 2 is the top view of grooving cutter of the present invention；
The relative mounting location schematic diagram of grooving cutter and annular workpieces when Fig. 3 is present invention processing；
Fig. 4 is the main view of annular workpieces of the present invention after processing is completed.
In figure: 1- grooving cutter, 2- annular workpieces, 3- keyway, 11- knife bar, 12- cutter hub, 13- blade, 14- dregs guiding groove,
The dust lead face 15-.
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention provides a kind of ring-shaped work pieces inner hole hole wall keyway processing method,
The following steps are included:
Step 1: numerically-controlled machine tool, grooving cutter 1 and annular workpieces 2 are provided, 2 clamping of annular workpieces in step 1 is existed
On main shaft of numerical control machine tool；Further, grooving cutter 1 includes knife bar 11 and cutter hub 12, and knife bar 11 is for filling grooving cutter 1
It is clipped on main shaft of numerical control machine tool, cutter hub 12 is thin sheet form, and the rear end face of cutter hub 12 is fixedly connected with cutter hub 12, cutter hub 12
The seamed edge that front end face intersects with 12 upper surface of cutter hub forms blade 13.It is preferred that 12 upper surface of cutter hub with respect to the horizontal plane between incline
Angle is 10 °.It is preferred that 12 front end face of cutter hub is 30 ° relative to the inclination angle between perpendicular.In addition, along 12 thickness side of cutter hub
To forming dregs guiding groove 14, the shape wheel of 14 main view of dregs guiding groove projection after cut-out material respectively at left and right sides of the cutter hub 12
Exterior feature is triangle, and the first sideline is coplanar with 12 front end face of cutter hub, and the second sideline is coplanar with 12 upper surface of cutter hub, third side
Surface forms dust lead face 15 where line.It is preferred that 15 width of dust lead face is the 25% to 35% of 12 thickness of cutter hub.Cutter hub 12 and knife bar
11 be integrally manufactured forming.In addition, numerically-controlled machine tool is numerically controlled lathe, grooving cutter 1 is clamped on numerically controlled lathe tailstock.Ring
The appearance profile of 2 cross section of shape workpiece projection is circle.2 inner hole of annular workpieces is the through-hole of left and right ends connection.Annular workpieces 2
The appearance profile of inner hole cross section projection is circle.
Step 2: grooving cutter 1 is made in step 1 several times, to cut off annular work along 2 axially reciprocating of annular workpieces
The some materials of part 2 obtain keyway 3 on 2 inner hole hole wall of annular workpieces.
Using technical solution of the present invention, by the way that annular workpieces clamping on spindle of numerical control lathe, is utilized numerically controlled lathe
Self-centering chuck on main shaft has determined annular workpieces axial location first, and annular workpieces clamping is easy to operate, does not need
Clamping is carried out using special fixture, it is easy to operate, it lays a good foundation to improve machining accuracy, then by making dedicated grooving cutter
Machining is carried out along the mode of annular workpieces axially reciprocating, spindle of numerical control lathe does not rotate in process, grooving
Cutter clamping keeps grooving cutter opposite on numerically controlled lathe tailstock, using itself high-precision ball-screw guide rail on numerically controlled lathe
It is moved back and forth in annular workpieces, improves the kinematic accuracy that grooving cutter is moved back and forth relative to annular workpieces, further to mention
It rises processing keyway machining accuracy and processing quality has tamped basis, and be provided with corresponding row's chip structure on grooving cutter,
Convenient for chip is discharged, the reciprocating movement cutting technique of grooving cutter has process velocity fast compared to wire cutting technology, high-efficient
Feature has machining accuracy height, the spy of the keyway machining suitable for small-size annular workpiece compared to wire pulling method technique again
Point.
Claims (10)
1. a kind of ring-shaped work pieces inner hole hole wall keyway processing method, it is characterised in that: the following steps are included:
Step 1: numerically-controlled machine tool, grooving cutter (1) and annular workpieces (2) are provided, by annular workpieces described in step 1 (2)
Clamping is on main shaft of numerical control machine tool；
Step 2: cut grooving cutter described in step 1 (1) several times, along the annular workpieces (2) axially reciprocating
Except some materials of the annular workpieces (2), keyway (3) are obtained on the annular workpieces (2) inner hole hole wall.
2. ring-shaped work pieces inner hole hole wall keyway processing method according to claim 1, it is characterised in that: the grooving cutter
(1) include knife bar (11) and cutter hub (12), knife bar (11) be used for by the grooving cutter (1) clamping main shaft of numerical control machine tool it
On, cutter hub (12) is thin sheet form, and the rear end face of cutter hub (12) is fixedly connected with cutter hub (12), the front end face and knife of cutter hub (12)
The seamed edge of body (12) upper surface intersection forms blade (13).
3. ring-shaped work pieces inner hole hole wall keyway processing method according to claim 2, it is characterised in that: the cutter hub (12)
Upper surface with respect to the horizontal plane between inclination angle be 10 °.
4. ring-shaped work pieces inner hole hole wall keyway processing method according to claim 2, it is characterised in that: the cutter hub (12)
Front end face is 30 ° relative to the inclination angle between perpendicular.
5. ring-shaped work pieces inner hole hole wall keyway processing method according to claim 2, it is characterised in that: along the cutter hub
(12) thickness direction, cut-out material forms dregs guiding groove (14), dregs guiding groove later respectively at left and right sides of the cutter hub (12)
(14) appearance profile of main view projection is triangle, and the first sideline is coplanar with the cutter hub (12) front end face, the second sideline
Coplanar with the cutter hub (12) upper surface, surface forms dust lead face (15) where third sideline.
6. ring-shaped work pieces inner hole hole wall keyway processing method according to claim 2, it is characterised in that: the cutter hub (12)
It is integrally manufactured forming with knife bar (11).
7. ring-shaped work pieces inner hole hole wall keyway processing method according to claim 1, it is characterised in that: the numerically-controlled machine tool
For numerically controlled lathe, the grooving cutter (1) is clamped on numerically controlled lathe tailstock.
8. ring-shaped work pieces inner hole hole wall keyway processing method according to claim 1, it is characterised in that: the annular workpieces
(2) appearance profile of cross section projection is circle.
9. ring-shaped work pieces inner hole hole wall keyway processing method according to claim 1, it is characterised in that: the annular workpieces
(2) inner hole is the through-hole of left and right ends connection.
10. ring-shaped work pieces inner hole hole wall keyway processing method according to claim 1, it is characterised in that: the annular work
The appearance profile of part (2) inner hole cross section projection is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646038.9A CN110449599A (en) | 2019-07-17 | 2019-07-17 | A kind of ring-shaped work pieces inner hole hole wall keyway processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646038.9A CN110449599A (en) | 2019-07-17 | 2019-07-17 | A kind of ring-shaped work pieces inner hole hole wall keyway processing method |
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| CN110449599A true CN110449599A (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910646038.9A Pending CN110449599A (en) | 2019-07-17 | 2019-07-17 | A kind of ring-shaped work pieces inner hole hole wall keyway processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091298A (en) * | 2020-09-16 | 2020-12-18 | 中国航发贵州黎阳航空动力有限公司 | Straight groove machining tool and machining method |
| CN113118473A (en) * | 2019-12-30 | 2021-07-16 | 江苏东佳电气有限公司 | Rapid machining method for key groove in deep blind hole long shaft |
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| US7367754B1 (en) * | 2006-07-07 | 2008-05-06 | Greenwood Mark L | Variable helix rotary cutting tool |
| CN201067819Y (en) * | 2006-11-17 | 2008-06-04 | 贵州群建齿轮有限公司 | Special device for processing gear inner hole key groove |
| CN103878390A (en) * | 2014-03-26 | 2014-06-25 | 奇瑞汽车股份有限公司 | Method for machining inner hole key groove |
| US20150132077A1 (en) * | 2013-09-16 | 2015-05-14 | Wto Werkzeug-Einrichtungen Gmbh | Device for Keyway Broaching |
| CN204366145U (en) * | 2015-03-12 | 2015-06-03 | 湖北省三胜工程机械有限公司 | Rail chain link inserts the split type slotting tool of plane |
| CN206474753U (en) * | 2017-02-18 | 2017-09-08 | 东莞市同进刀具科技有限公司 | A kind of slot scraping knife |
| CN209050175U (en) * | 2018-10-16 | 2019-07-02 | 江苏戴梦德钻石科技有限公司 | A kind of key-way tool |
-
2019
- 2019-07-17 CN CN201910646038.9A patent/CN110449599A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7367754B1 (en) * | 2006-07-07 | 2008-05-06 | Greenwood Mark L | Variable helix rotary cutting tool |
| CN201067819Y (en) * | 2006-11-17 | 2008-06-04 | 贵州群建齿轮有限公司 | Special device for processing gear inner hole key groove |
| US20150132077A1 (en) * | 2013-09-16 | 2015-05-14 | Wto Werkzeug-Einrichtungen Gmbh | Device for Keyway Broaching |
| CN103878390A (en) * | 2014-03-26 | 2014-06-25 | 奇瑞汽车股份有限公司 | Method for machining inner hole key groove |
| CN204366145U (en) * | 2015-03-12 | 2015-06-03 | 湖北省三胜工程机械有限公司 | Rail chain link inserts the split type slotting tool of plane |
| CN206474753U (en) * | 2017-02-18 | 2017-09-08 | 东莞市同进刀具科技有限公司 | A kind of slot scraping knife |
| CN209050175U (en) * | 2018-10-16 | 2019-07-02 | 江苏戴梦德钻石科技有限公司 | A kind of key-way tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118473A (en) * | 2019-12-30 | 2021-07-16 | 江苏东佳电气有限公司 | Rapid machining method for key groove in deep blind hole long shaft |
| CN112091298A (en) * | 2020-09-16 | 2020-12-18 | 中国航发贵州黎阳航空动力有限公司 | Straight groove machining tool and machining method |
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Application publication date: 20191115 |