CN105397197A - Efficient machining method for multi-tooth notching cutter - Google Patents
Efficient machining method for multi-tooth notching cutter Download PDFInfo
- Publication number
- CN105397197A CN105397197A CN201510711676.6A CN201510711676A CN105397197A CN 105397197 A CN105397197 A CN 105397197A CN 201510711676 A CN201510711676 A CN 201510711676A CN 105397197 A CN105397197 A CN 105397197A
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- grinding
- cutter
- bedding
- tooth
- jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
- B23F5/02—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses an efficient machining method for a multi-tooth notching cutter. The method comprises the steps that a numerical control spline grinding machine is selected as machining equipment, and the midline direction of an intertooth space between two adjacent teeth is selected as the grinding feed direction; clamping and aligning are conducted; rear corners of the side faces of teeth are corrected; an intertooth space molded line is corrected; the initial position of grinding and a spindle stop position after the grinding procedure is executed to completion are determined, it is ensured that the grinding position passes through the center of a grinding wheel, and the grinding wheel exit position is prevented from cutter collision during scale division; the grinding modes of rough grinding and finish grinding are determined, the grinding amount of each step, the feeding amount and correction parameters of the corresponding grinding wheel are determined, and it is ensured that the stroke number of the grinding wheel before correction is indivisible by the tooth number during finish grinding to prevent the phenomenon that an effective molded surface cannot be obtained during grinding; scale division is determined, any one of the teeth is selected to be ground, two molded faces can be machined at first when the grinding center is not determined, and full-tooth grinding is conducted after the grinding center is aligned; and grinding wheel correction parameters are determined and the elevation amount of the grinding wheel is considered to avoid collision of a disc with the grinding wheel when the correction process is executed.
Description
Technical field
The invention belongs to multiple tooth jet-bedding cutter manufacturing technology field, particularly relate to a kind of high-efficiency machining method of multiple tooth jet-bedding cutter.
Background technology
For punch press or vice bench, multiple tooth jet-bedding cutter is as a kind of relatively more conventional cutter, and its dimensional requirement is relatively tight, and in the majority with the multiple tooth jet-bedding cutter of even number tooth again.
Multiple tooth jet-bedding cutter is made up of leader, cutting tip and caudal peduncle part, and the requirement on machining accuracy of multiple tooth jet-bedding cutter to its cutting tip is the highest, processing at present for cutting tip completes primarily of general-purpose grinder, and comprise four road manufacturing procedures, for N tooth jet-bedding cutter: during first operation, carry out the grinding of transverse tooth thickness and the facewidth, namely process flank and crest top land, and need artificial calibration 3N time; During second operation work, carry out the processing of between cog internal diameter, also need to use Equations of The Second Kind instrument polishing cutter, multiple sub-operation can be added again; During three process, grinding flank relief angle, and need artificial calibration 2N time; During the 4th procedure, grinding crest top land relief angle, and need artificial calibration N time.
Can find out, traditional approach is adopted to process multiple tooth jet-bedding cutter, very high to the technical requirement of grinding operator, need in whole process to carry out tool setting repeatedly and measurement, want processing one qualified multiple tooth jet-bedding cutter, skilled operating personnel also will spend at least 1.5 hours, can say that adopt traditional approach to process multiple tooth jet-bedding cutter wastes time and energy very much.
Multiple tooth jet-bedding cutter is as consumable accessory, and the use amount of punch press or vice bench is very large, adopts existing mode to process multiple tooth jet-bedding cutter and is difficult to practical requirement.
Summary of the invention
For prior art Problems existing, the invention provides a kind of high-efficiency machining method of multiple tooth jet-bedding cutter, effectively simplify manufacturing procedure, the technical requirement of operating personnel is reduced, greatly can improve working (machining) efficiency, effective practical requirement.
To achieve these goals, the present invention adopts following technical scheme: a kind of high-efficiency machining method of multiple tooth jet-bedding cutter, comprises the steps:
Step one: selected a set of numerical control cover tooth grinding machine is as the process equipment of multiple tooth jet-bedding cutter, and the between cog center line direction choosing adjacent two teeth is grinding and feeding direction;
Step 2: clamping and centering are carried out to multiple tooth jet-bedding cutter to be processed;
Step 3: flank relief angle is revised;
Step 4: between cog molded line is revised, between cog molded line is made up of the flank of between cog internal diameter and its both sides;
Step 5: determine that grinding original position and grinding program perform the main shaft stop position after terminating, grinding position will ensure emery wheel center, and emery wheel exits position and will avoid hitting cutter during calibration;
Step 6: determine the grinding method roughly ground and refine, determine the corrected parameter often walking stock removal, the amount of feeding and corresponding emery wheel, will guarantee during fine grinding that the number of strokes of emery wheel before finishing can not be divided exactly by the number of teeth, prevent from cannot obtaining effective profile during grinding;
Step 7: determine calibration, can select any one tooth to carry out grinding, in the uncertain situation of grinding center, first can process two profiles, carry out full-depth tooth grinding after centering grinding center;
Step 8: determine Dressing parameters of the grinding wheel, note the emery wheel amount of raising, when avoiding finishing program to run, video disc and emery wheel collide.
Clip is utilized to carry out clamping to multiple tooth jet-bedding cutter to be processed.
For the ease of centering, prepare a centering plug, and the length of centering plug is equal with the length of multiple tooth jet-bedding cutter to be processed, utilizes the relative position that two of centering plug adjustment numerical control cover tooth grinding machine top.
When the apex tailstock of numerical control cover tooth grinding machine can only adjust a direction, need to prepare centering helicity aid and carry out centering.
When the multiple tooth jet-bedding cutter top with to be processed of numerical control cover tooth grinding machine exists interference, need to remove top interference portion.
Beneficial effect of the present invention:
Prior art of the present invention is compared, first numerical control being overlapped tooth grinding machine introduces in the processing of multiple tooth jet-bedding cutter, by changing grinding direction and grinding method, utilize the forming grinding wheel after finishing, just can be completed the processing of flank and between cog internal diameter by a grinding simultaneously, by the processing tasks that original 3 ~ 4 procedures just can complete, just can complete by means of only 1 procedure, while guarantee crudy, also greatly improve working (machining) efficiency, original list was shortened to 0.5 hours the process time of multiple tooth jet-bedding cutter by 1.5 hours.
Accompanying drawing explanation
Fig. 1 is the one multiple tooth jet-bedding knife structure schematic diagram in embodiment;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is that forming grinding wheel coordinates schematic diagram with multiple tooth jet-bedding cutter;
Fig. 4 carries out centering schematic diagram for utilizing centering plug to adjust tailstock centre;
In figure, 1-leader, 2-cutting tip, 3-caudal peduncle part, 4-forming grinding wheel, 5-centering plug, 6-top, 7-eliminate the top of interference portion, the maximum spacing thickness of the relative crest top land of M-two, a-crest top land relief angle, b-flank relief angle, c-tool orthogonal rake.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
In the present embodiment, multiple tooth jet-bedding cutter is with four tooth jet-bedding cuttves for example, and as shown in Figure 1, its cutter parameters is its structural representation: the maximum spacing thickness M of two relative crest top lands is 10.87
-0.05the angle of mm, crest top land relief angle a is 1 ° 30 ', and the angle of flank relief angle is 1 ° 30 ', and the angle of tool orthogonal rake c is 2 °, and the diameter of between cog internal diameter is φ 8.8mm.
A high-efficiency machining method for multiple tooth jet-bedding cutter, comprises the steps:
Step one: selected a set of numerical control cover tooth grinding machine is as the process equipment of multiple tooth jet-bedding cutter, and the between cog center line direction choosing adjacent two teeth is grinding and feeding direction, and the grinding and feeding direction in the present embodiment is 45 ° of directions;
Step 2: clamping and centering are carried out to multiple tooth jet-bedding cutter to be processed; Utilize clip to carry out clamping to multiple tooth jet-bedding cutter to be processed, if standard clip is oversize, small size clip can be made by oneself; For the ease of centering, prepare a centering plug, and the length of centering plug is equal with the length of multiple tooth jet-bedding cutter to be processed, utilizes the relative position that two of centering plug adjustment numerical control cover tooth grinding machine top; When the apex tailstock of numerical control cover tooth grinding machine can only adjust a direction, need to prepare centering helicity aid and carry out centering; When the multiple tooth jet-bedding cutter top with to be processed of numerical control cover tooth grinding machine exists interference, need to remove top interference portion;
Step 3: flank relief angle is revised, revised flank relief angle is 2 ° 7 ' 15 ";
Step 4: between cog molded line is revised, between cog molded line is made up of the flank of between cog internal diameter and its both sides, but between cog internal diameter is without the need to revising, owing to adopting 45 ° of direction grindings, tool orthogonal rake direction changes, converted coordinate system, utilize revised flank relief angle 2 ° 7 ' 15 "; after projection; between cog molded line is modified to 45 ° 4 ' 19 by original 45 ° ", utilize the grinding of revised between cog molded line, can ensure that flank relief angle is 1 ° 30 ', when can ensure again grinding, flank sword aligns with ligament is complete;
Step 5: determine that grinding original position and grinding program perform the main shaft stop position after terminating, grinding position will ensure emery wheel center, and emery wheel exits position and will suitably strengthen, and avoided hitting cutter during calibration;
Step 6: determine the grinding method roughly ground and refine, determine the corrected parameter often walking stock removal, the amount of feeding and corresponding emery wheel, will guarantee during fine grinding that the number of strokes of emery wheel before finishing can not be divided exactly by the number of teeth, prevent from cannot obtaining effective profile during grinding;
Step 7: determine calibration, can select any one tooth to carry out grinding, in the uncertain situation of grinding center, first can process two profiles, carry out full-depth tooth grinding behind centering center;
Step 8: determine Dressing parameters of the grinding wheel, note the emery wheel amount of raising, when avoiding finishing program to run, video disc and emery wheel collide.
Scheme in embodiment is also not used to limit scope of patent protection of the present invention, and the equivalence that all the present invention of disengaging do is implemented or changed, and is all contained in the scope of the claims of this case.
Claims (5)
1. a high-efficiency machining method for multiple tooth jet-bedding cutter, is characterized in that comprising the steps:
Step one: selected a set of numerical control cover tooth grinding machine is as the process equipment of multiple tooth jet-bedding cutter, and the between cog center line direction choosing adjacent two teeth is grinding and feeding direction;
Step 2: clamping and centering are carried out to multiple tooth jet-bedding cutter to be processed;
Step 3: flank relief angle is revised;
Step 4: between cog molded line is revised, between cog molded line is made up of the flank of between cog internal diameter and its both sides;
Step 5: determine that grinding original position and grinding program perform the main shaft stop position after terminating, grinding position will ensure emery wheel center, and emery wheel exits position and will avoid hitting cutter during calibration;
Step 6: determine the grinding method roughly ground and refine, determine the corrected parameter often walking stock removal, the amount of feeding and corresponding emery wheel, will guarantee during fine grinding that the number of strokes of emery wheel before finishing can not be divided exactly by the number of teeth, prevent from cannot obtaining effective profile during grinding;
Step 7: determine calibration, can select any one tooth to carry out grinding, in the uncertain situation of grinding center, first can process two profiles, carry out full-depth tooth grinding after centering grinding center;
Step 8: determine Dressing parameters of the grinding wheel, note the emery wheel amount of raising, when avoiding finishing program to run, video disc and emery wheel collide.
2. the high-efficiency machining method of a kind of multiple tooth jet-bedding cutter according to claim 1, is characterized in that: utilize clip to carry out clamping to multiple tooth jet-bedding cutter to be processed.
3. the high-efficiency machining method of a kind of multiple tooth jet-bedding cutter according to claim 1, for the ease of centering, it is characterized in that: prepare a centering plug, and the length of centering plug is equal with the length of multiple tooth jet-bedding cutter to be processed, utilize the relative position that two of centering plug adjustment numerical control cover tooth grinding machine top.
4. the high-efficiency machining method of a kind of multiple tooth jet-bedding cutter according to claim 3, is characterized in that: when the apex tailstock of numerical control cover tooth grinding machine can only adjust a direction, need to prepare centering helicity aid and carry out centering.
5. the high-efficiency machining method of a kind of multiple tooth jet-bedding cutter according to claim 3, is characterized in that: when the multiple tooth jet-bedding cutter top with to be processed of numerical control cover tooth grinding machine exists interference, need to remove top interference portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711676.6A CN105397197B (en) | 2015-10-27 | 2015-10-27 | A kind of high-efficiency machining method of multiple tooth jet-bedding knife |
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| CN201510711676.6A CN105397197B (en) | 2015-10-27 | 2015-10-27 | A kind of high-efficiency machining method of multiple tooth jet-bedding knife |
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| CN105397197A true CN105397197A (en) | 2016-03-16 |
| CN105397197B CN105397197B (en) | 2017-09-15 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4697387A (en) * | 1984-02-10 | 1987-10-06 | Reishauer Ag | Device for grinding tooth profiles of a rotating toothed workpiece |
| CN1562547A (en) * | 2004-03-23 | 2005-01-12 | 重庆大学 | Digital controlled method for grinding teeth of cycloidal gear, and its appts. |
| CN1600482A (en) * | 2003-09-27 | 2005-03-30 | 格里森工场 | Method and machine for grinding tooth side of rotary gear |
| CN102126053A (en) * | 2010-12-28 | 2011-07-20 | 北京二七轨道交通装备有限责任公司 | Gear grinding processing method |
| DE102012008296A1 (en) * | 2012-04-26 | 2013-10-31 | Klingelnberg Gmbh | Device for producing, processing and/or testing profile-bearing segment, has workpiece stretching desk supported around workpiece stretching desk axis, where machine table axis and workpiece stretching desk axis are displaced to each other |
| CN103831480A (en) * | 2012-11-27 | 2014-06-04 | 大连经济技术开发区圣洁真空技术开发有限公司 | Novel method with gear hobbing realized through horizontal milling machine |
| JP2015160287A (en) * | 2014-02-28 | 2015-09-07 | 陸聯精密股▲ふん▼有限公司 | Gear wheel grinding device including tool mending function |
-
2015
- 2015-10-27 CN CN201510711676.6A patent/CN105397197B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4697387A (en) * | 1984-02-10 | 1987-10-06 | Reishauer Ag | Device for grinding tooth profiles of a rotating toothed workpiece |
| CN1600482A (en) * | 2003-09-27 | 2005-03-30 | 格里森工场 | Method and machine for grinding tooth side of rotary gear |
| CN1562547A (en) * | 2004-03-23 | 2005-01-12 | 重庆大学 | Digital controlled method for grinding teeth of cycloidal gear, and its appts. |
| CN102126053A (en) * | 2010-12-28 | 2011-07-20 | 北京二七轨道交通装备有限责任公司 | Gear grinding processing method |
| DE102012008296A1 (en) * | 2012-04-26 | 2013-10-31 | Klingelnberg Gmbh | Device for producing, processing and/or testing profile-bearing segment, has workpiece stretching desk supported around workpiece stretching desk axis, where machine table axis and workpiece stretching desk axis are displaced to each other |
| CN103831480A (en) * | 2012-11-27 | 2014-06-04 | 大连经济技术开发区圣洁真空技术开发有限公司 | Novel method with gear hobbing realized through horizontal milling machine |
| JP2015160287A (en) * | 2014-02-28 | 2015-09-07 | 陸聯精密股▲ふん▼有限公司 | Gear wheel grinding device including tool mending function |
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| CN105397197B (en) | 2017-09-15 |
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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 |
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