CN104108013A - Numerical control machining method for conical gear with curved teeth - Google Patents
Numerical control machining method for conical gear with curved teeth Download PDFInfo
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- CN104108013A CN104108013A CN201410287804.4A CN201410287804A CN104108013A CN 104108013 A CN104108013 A CN 104108013A CN 201410287804 A CN201410287804 A CN 201410287804A CN 104108013 A CN104108013 A CN 104108013A
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- tooth
- bevel gear
- machining
- roughing
- milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
- Gear Processing (AREA)
Abstract
The invention discloses a numerical control machining method for a conical gear with curved teeth, and relates to the field of machining. The numerical control machining method for the conical gear with the curved teeth comprises the following steps of machining before tooth milling, rough machining of tooth profiles, semi-finish machining of the tooth profiles and finish machining of the tooth profiles. A method for machining the tooth profiles the conical gear with the curved teeth through a four-axis three-linkage numerical control milling machine is adopted, in terms of production and manufacturing of single, small batches of and damaged conical gears with the curved teeth and unknown parameters, machining cost is low, efficiency is high, control is flexible, and simulated inspection can be carried out.
Description
Technical field
The present invention relates to field of machining, be specifically related to the numerical-control processing method of spiral bevel gear.
Technical background
Spiral bevel gear has that overlap coefficient is large, bearing capacity is high and the feature such as the life-span is long, be widely used in the high-speed overload concurrent aces transmission of high-precision equipment, as industries such as aviation, navigation, automobile, tractors, it is the important criterion of a national machinery manufacturing industry development level.And Numeric Control Technology has improved working (machining) efficiency and the precision of machinery manufacturing industry, simultaneously also for country has brought huge economic benefit.The processing method of spiral bevel gear mainly adopts tooth milling machine to process both at home and abroad at present, be applicable to large batch of production, the mould needing for the spiral bevel gear of different size is not identical, therefore for the manufacturing of the unknown parameter spiral bevel gear of single-piece, small lot and damage, cost is relatively high, and this processing method is difficult at home
Universal.
Summary of the invention
In order to address the above problem, the invention provides the method for the CNC milling machine Processing Curve bevel gear profile of tooth of a kind of employing four axle linkages, for the manufacturing of the unknown parameter spiral bevel gear of single-piece, small lot and damage, processing cost is low, efficiency is high, control is flexible, and can carry out simplation examination.
The numerical-control processing method of spiral bevel gear of the present invention, comprises the following steps:
The first step, processing before mill teeth,, adopt machine tool machining blanks, respectively skiving wheel small end face, large end face, hole, keyway etc.; Must carry out fine finishining to gear shape, lathe rotating speed 300～1000r/min, feed speed is 50～100mm/min, the allowance of 0.5 coffee is left on parts of tooth surface, ensures the machining accuracy of profile of tooth;
Second step, profile of tooth roughing, select ball endmill as rough machined cutter according to the gear teeth size of spiral bevel gear, bulb major diameter milling cutter capable of being is effectively removed most of blank allowance, also can ensure the fundamental surface characteristic after spiral bevel gear roughing, roughing is little on tooth accuracy impact, in order to improve working (machining) efficiency, adopt the tool path pattern of the parallel milling of roughing to carry out roughing at this, according to the size and shape of the spiral bevel gear gear teeth, cutting depth is set, cutting width, ball head knife is selected in gear teeth processing, adopt the tool path pattern of parallel milling to carry out roughing,
The 3rd step, profile of tooth semifinishing,, adding man-hour, reduce cutting output, select the less cutter of diameter, use the CNC milling machine of four axle linkages to process, adopt the tool path pattern of all curved surfaces of curved surface finish-milling;
The 4th step, profile of tooth fine finishining.The tool selection ball head knife in fine finishining stage.The tool path pattern in fine finishining stage is also all curved surfaces of finish-milling, and selecting x axle is the 4th rotating shaft, in the time carrying out the fine finishining of the flank of tooth, is chosen on the CNC milling machine of four axle linkages and processes, and adopts the tool path pattern of all curved surfaces of finish-milling.
Preferably, when gear roughing, the speed of mainshaft is 1000r/min, and feed speed is 100mm/min, is 1.6mm in the each depth of cut of z direction of principal axis, perpendicular to the feed of teeth groove direction.
Preferably, when profile of tooth semifinishing, allowance is 0.15mm, and the speed of mainshaft is 1500r/min, feed speed 80mm/min.
Preferably, when profile of tooth fine finishining, the speed of mainshaft is 1800r/min, and feed speed is 50mm/min.
The present invention adopts the method for the CNC milling machine Processing Curve bevel gear profile of tooth of four axle linkages, for the manufacturing of the unknown parameter spiral bevel gear of single-piece, small lot and damage, processing cost is low, efficiency is high, control is flexible, and can carry out simplation examination.
Detailed description of the invention
The numerical-control processing method of spiral bevel gear of the present invention, is characterized in that, comprises the following steps:
The first step, processing before mill teeth,, adopt machine tool machining blanks, respectively skiving wheel small end face, large end face, hole, keyway etc.; Must carry out fine finishining to gear shape, lathe rotating speed 300～1000r/min, feed speed is 50～100mm/min, the allowance of 0.5 coffee is left on parts of tooth surface, ensures the machining accuracy of profile of tooth;
Second step, profile of tooth roughing, select ball endmill as rough machined cutter according to the gear teeth size of spiral bevel gear, bulb major diameter milling cutter capable of being is effectively removed most of blank allowance, also can ensure the fundamental surface characteristic after spiral bevel gear roughing, roughing is little on tooth accuracy impact, in order to improve working (machining) efficiency, adopt the tool path pattern of the parallel milling of roughing to carry out roughing at this, according to the size and shape of the spiral bevel gear gear teeth, cutting depth is set, cutting width, ball head knife is selected in gear teeth processing, adopt the tool path pattern of parallel milling to carry out roughing, the speed of mainshaft is 1000r/min, feed speed is 100mm/min.Be 1.6mm in the each depth of cut of z direction of principal axis, perpendicular to the feed of teeth groove direction;
The 3rd step, profile of tooth semifinishing,, adding man-hour, reduce cutting output, select the less cutter of diameter, use the CNC milling machine of four axle linkages to process, adopt the tool path pattern of all curved surfaces of curved surface finish-milling, allowance is 0.15mm, the speed of mainshaft is 1500r/min, feed speed 80mm/min;
The 4th step, profile of tooth fine finishining.The tool selection ball head knife in fine finishining stage.The tool path pattern in fine finishining stage is also all curved surfaces of finish-milling, selecting x axle is the 4th rotating shaft, in the time carrying out the fine finishining of the flank of tooth, be chosen on the CNC milling machine of four axle linkages and process, adopt the tool path pattern of all curved surfaces of finish-milling, the speed of mainshaft is 1800r/min, and feed speed is 50mm/min.
The present invention adopts the method for the CNC milling machine Processing Curve bevel gear profile of tooth of four axle linkages, for the manufacturing of the unknown parameter spiral bevel gear of single-piece, small lot and damage, processing cost is low, efficiency is high, control is flexible, and can carry out simplation examination.
Claims (4)
1. the numerical-control processing method of spiral bevel gear, is characterized in that, comprises the following steps:
The first step, processing before mill teeth,, adopt machine tool machining blanks, respectively skiving wheel small end face, large end face, hole, keyway etc.; Must carry out fine finishining to gear shape, lathe rotating speed 300～1000r/min, feed speed is 50～100mm/min, the allowance of 0.5 coffee is left on parts of tooth surface, ensures the machining accuracy of profile of tooth;
Second step, profile of tooth roughing, select ball endmill as rough machined cutter according to the gear teeth size of spiral bevel gear, bulb major diameter milling cutter capable of being is effectively removed most of blank allowance, also can ensure the fundamental surface characteristic after spiral bevel gear roughing, roughing is little on tooth accuracy impact, in order to improve working (machining) efficiency, adopt the tool path pattern of the parallel milling of roughing to carry out roughing at this, according to the size and shape of the spiral bevel gear gear teeth, cutting depth is set, cutting width, ball head knife is selected in gear teeth processing, adopt the tool path pattern of parallel milling to carry out roughing,
The 3rd step, profile of tooth semifinishing,, adding man-hour, reduce cutting output, select the less cutter of diameter, use the CNC milling machine of four axle linkages to process, adopt the tool path pattern of all curved surfaces of curved surface finish-milling;
The 4th step, profile of tooth fine finishining, the tool selection ball head knife in fine finishining stage, the tool path pattern in fine finishining stage is also all curved surfaces of finish-milling, selecting x axle is the 4th rotating shaft, in the time carrying out the fine finishining of the flank of tooth, be chosen on the CNC milling machine of four axle linkages and process, adopt the tool path pattern of all curved surfaces of finish-milling.
2. the numerical-control processing method of spiral bevel gear as claimed in claim 1, while it is characterized in that described gear roughing, the speed of mainshaft is 1000r/min, feed speed is 100mm/min, is 1.6mm in the each depth of cut of z direction of principal axis, perpendicular to the feed of teeth groove direction.
3. the numerical-control processing method of spiral bevel gear as claimed in claim 1, while it is characterized in that described profile of tooth semifinishing, allowance is 0.15mm, the speed of mainshaft is 1500r/min, feed speed 80mm/min.
4. the numerical-control processing method of spiral bevel gear as claimed in claim 1, while it is characterized in that described profile of tooth fine finishining, the speed of mainshaft is 1800r/min, feed speed is 50mm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410287804.4A CN104108013A (en) | 2014-06-25 | 2014-06-25 | Numerical control machining method for conical gear with curved teeth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410287804.4A CN104108013A (en) | 2014-06-25 | 2014-06-25 | Numerical control machining method for conical gear with curved teeth |
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| CN104108013A true CN104108013A (en) | 2014-10-22 |
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| CN201410287804.4A Pending CN104108013A (en) | 2014-06-25 | 2014-06-25 | Numerical control machining method for conical gear with curved teeth |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328507A (en) * | 2015-11-04 | 2016-02-17 | 上海大众汽车有限公司 | Machining methods for die characteristic lines |
| CN105499712A (en) * | 2016-01-08 | 2016-04-20 | 南京工大数控科技有限公司 | Method for machining super-modulus cylindrical gear with small tooth number |
| CN107877106A (en) * | 2017-11-14 | 2018-04-06 | 北京大圣格尔冶金设备有限公司 | A kind of processing technology of pushing gear tooth |
| CN108188655A (en) * | 2017-11-27 | 2018-06-22 | 江阴市永兴机械制造有限公司 | A kind of helix bevel gear active tooth threading machining process |
| CN109128391A (en) * | 2018-11-22 | 2019-01-04 | 上海电气集团股份有限公司 | A kind of gear working method |
-
2014
- 2014-06-25 CN CN201410287804.4A patent/CN104108013A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328507A (en) * | 2015-11-04 | 2016-02-17 | 上海大众汽车有限公司 | Machining methods for die characteristic lines |
| CN105499712A (en) * | 2016-01-08 | 2016-04-20 | 南京工大数控科技有限公司 | Method for machining super-modulus cylindrical gear with small tooth number |
| CN107877106A (en) * | 2017-11-14 | 2018-04-06 | 北京大圣格尔冶金设备有限公司 | A kind of processing technology of pushing gear tooth |
| CN108188655A (en) * | 2017-11-27 | 2018-06-22 | 江阴市永兴机械制造有限公司 | A kind of helix bevel gear active tooth threading machining process |
| CN109128391A (en) * | 2018-11-22 | 2019-01-04 | 上海电气集团股份有限公司 | A kind of gear working method |
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Application publication date: 20141022 |