CN101274379A - Method of grinding and processing gear wheel - Google Patents
Method of grinding and processing gear wheel Download PDFInfo
- Publication number
- CN101274379A CN101274379A CNA2007100541553A CN200710054155A CN101274379A CN 101274379 A CN101274379 A CN 101274379A CN A2007100541553 A CNA2007100541553 A CN A2007100541553A CN 200710054155 A CN200710054155 A CN 200710054155A CN 101274379 A CN101274379 A CN 101274379A
- Authority
- CN
- China
- Prior art keywords
- gear
- grinding
- processing
- gear wheel
- gears
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Gear Processing (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a technique and a method for the finishing processing of gears, in particular to the lapping processing of hypoid gears and spiral bevel gears which have complicated tooth shapes and hard tooth surfaces. The lapping processing method comprises the steps as follows: (1) a pair of gears that need going through lapping processing and comprise a driving gear and a driven gear are assembled together in a way of meshing transmission, the driven gear is driven by the driving gear to carry out rotation movement; (2) preset brake torque is applied on the driven gear; (3) high frequency vibration is applied on the driving gear and/or the driven gear. Highly efficient but low cost lapping processing can be carried out by the method to various gears with the hard tooth surfaces, particularly small modulus gears so as to improve the meshing precision of the gears and reduce vibration and noise in transmission.
Description
Technical field
The present invention relates to the technology and the method for gear essence, whole processing, particularly complicated profile of tooth, the hard flank of tooth are as the attrition process of hypoid gear, spiral bevel gear.
Background technology
Gear is as mechanically operated critical component, and its machining accuracy and manufacture level are directly connected to the performance and the quality of engineering goods.Along with Development in Machine Industry and progress of science and technology, numerous industrial departments are more and more high to the gear product performance demands, impel gear product to high accuracy, high-speed, high strength, low noise, miniaturization development.At present, the manufacturing technology level of gear has been difficult to satisfy the production requirement of high class gear product, further improves gear fine finishining level, and introduce the special process and combined machining method in gear manufacturing field imperative.
For example, after the Milling Process for little modulus spiral bevel gear, because cost and efficient do not have corresponding fine-processing technique, make rotational noise big, vibration is violent.For in, the spiral bevel gear of big modulus, although adopted roll flute or gear lapping technology, roll flute cost height is difficult to use in (for example automobile axle gear) in enormous quantities produced; And traditional gear lapping process materials clearance is low, is difficult to revise heat treatment deformation and profile of tooth, pitch error, has restricted the further raising of spiral bevel gear precision.
Summary of the invention
In order to address the above problem, the invention provides a kind of gear grinding method for processing that is used for, can be to various hardened face gears, especially fine module gear carries out high efficiency, attrition process to improve the gears engaged precision, reduces the vibration and noise in the transmission cheaply.
For realizing above-mentioned task, technical scheme of the present invention is a kind of method of grinding and processing gear wheel, and this grinding method comprises the steps:
(1) a pair of gear that needs is carried out attrition process is assembled together by the engaged transmission mode, drives driven gear by driving gear and is rotated motion;
(2) on driven gear, apply the braking torque of setting;
(3) on driving gear or driven gear, apply dither.
Described braking torque is between 0.1Nm～8Nm.
The rotating speed of described driving gear is between 200～3000r/min.
Described dither mode is for vertically, radially or direction of rotation or its combination.
The frequency of described dither is between 1KHZ～30KHZ, and amplitude is between 3～20 μ m.
Described dither produces by ultrasonic acoustically, mechanical system, electronics mode or hydraulic way, or its compound mode produces.
Two can be roller gear, conical gear or hypoid gear by gear lapping wheel.
Grind required time range between 1～10min.
In the attrition process process, inject grinding agent between cog, to reach the effect of strengthening attrition process.
Grinding agent is mixed by water, kerosene or special-purpose grinding fluid and white fused alumina, and the granularity of white fused alumina is 40
#～60
#, the concentration of grinding agent is 10%～40%, quantity delivered is 30mL/s～120mL/s.
The present invention has obtained following effect: (1) for the gear with helical angle, dither especially ultrasonic wave is done the vibration of tangential and normal direction both direction after reflection of the wheel flank of tooth and refraction.It is ultrasonic that ultrasonic gear lapping forms the oblique angle, has the characteristics of level, vertical ultrasonic grinding concurrently.(2) material of the especially ultrasonic gear lapping of dither is removed so that plasticity is mobile and is removed, and mechanism is summed up as abrasive particle hammering, impact, the relative comprehensive function of sliding with the flank of tooth of lapping liquid cavitation effect.These factors have greatly improved the surface integrity of the grinding efficiency and the flank of tooth.(3) have a hundreds of atmospheric hydraulic pressure repeat effect between the especially ultrasonic gear lapping backlash of dither, lapping liquid will produce very strong cavitation, and the high speed impact of abrasive material and the acting in conjunction of rubbing down make the noncontact part of the gear teeth also can obtain polishing processing.(4) the insensibility vibrocutting effect of the especially ultrasonic gear lapping of dither will reduce the mesh vibration of grinding cutting drag and gear lapping process middle gear, help reducing the roughness and the abrasive particle cut degree of irregularity of the flank of tooth.(5) the instantaneous contact pressure of the especially ultrasonic gear lapping of the dither several times that are pressure that flank engagement produces, the degree of depth that makes abrasive particle penetrate the flank of tooth increases, and the ultrasonic tangential forces in oblique angle has improved the length of cut and the efficient of abrasive particle, and the result makes the efficient of ultrasonic gear lapping higher 3 times than common gear lapping.
Description of drawings
Fig. 1 is the layout schematic diagram of processing unit (plant);
Fig. 2 is the ultrasonic grinding schematic diagram of spiral bevel gear;
Fig. 3 is the ultrasonic grinding schematic diagram of spur gear wheel.
The specific embodiment
In the accompanying drawing: 1 driving wheel, 2 followers, 3 grinding agents, 4 supersonic generators, 5 microcomputer type moment of torsion rotational speed meters, 6 moments of torsion-speed probe, 7 motors, 8 frequency converters, 9 stabilized current supplies, 10 magnetic powder clutched brakes
Arrow is represented the direction of dither successively among the figure, is respectively rotation, vertically and radially.
Experimental rig is made up of main shaft sound system (vibration generating arrangement), measurement mechanism, charger and grinding agent feedway.
The main shaft sound system is made up of supersonic generator 4, transducing-amplitude transformer, and driving wheel links to each other with the luffing bar, implements extensional vibration under sound system drives.Main shaft is driven by motor 7 and implements to rotatablely move, and motor speed is by frequency converter 8 controls.The measurement mechanism of braking torque is made up of moment of torsion-speed probe 6, microcomputer type moment of torsion rotational speed meters 5, and moment of torsion-speed probe links to each other with driving gear shaft.Charger is made up of magnetic powder clutched brake 10 and stabilized current supply 9, the size of stabilized current supply control loading moment.Fig. 1 is the processing unit (plant) of spiral bevel gear, and for the involute spur gear wheel, its processing unit (plant) is identical with spiral bevel gear, because Gear axis is parallel, only need adjust the layout of processing unit (plant), so accompanying drawing is represented no longer in addition.
1) gear
This processing method is suitable for the spiral bevel gear of modulus between 0.5mm～5mm or the attrition process of straight spur gear, and the steamboat pitch diameter is between 5mm～60mm, and gear ratio 1～6 is more than the tooth face hardness 40HRc.
2) grinding agent
Mixed by water, kerosene or special-purpose grinding agent and white fused alumina, the granularity of white fused alumina is 40
#～60
#, the concentration 10%～40% of grinding agent, quantity delivered 30mL/s～120mL/s.
3) machined parameters
According to the modulus and the number of teeth of institute's gear lapping wheel, determine that the rotating speed of gear driving gear is 200～3000r/min, the braking torque that is applied on the driven gear is 0.1Nm～8Nm.
Frequency f=the 1kHz of ultrasonic gear lapping～30kH, the signal of telecommunication of ultrasonic vibration is produced by supersonic generator, by transducer the mechanical oscillation that the signal of telecommunication changes high frequency are passed to driving gear, this vibration can be longitudinally, radially, the rotation, or the combination.
According to the modulus of being taken turns and the number of teeth, driving gear end face amplitude is adjusted between 3～20 μ m by gear lapping.
According to the modulus and the number of teeth of institute's gear lapping wheel, to determine to grind the required time, scope is at 1～10min.
4) technical process
According to the modulus and the number of teeth of institute's gear lapping wheel, determine machined parameters.Driving gear and driven gear are installed on separately the jig, are undertaken tooth by tooth mesh device.After tooth adjustment end, starter motor produces driving gear and rotatablely moves, and to the magnetic powder brake power supply, applies braking torque on driven gear simultaneously, and startup grinding agent feedway begins to carry out gear lapping processing.For spiral bevel gear, work in-process will carry out the reciprocating motion of trace at the axial and circumferential of driving gear, guarantees evenly to grind at each contact position of the flank of tooth.For involute spur gear, only driving gear axially carry out the trace reciprocating motion.Concrete adjustment numerical value is different according to the modulus and the number of teeth of gear.After attrition process finished, driving gear returned to the initial position of installation, and driving gear and driven gear rotate at a high speed, dry processing.After drying end, unload workpiece, grind next time.
Embodiment 1: the ultrasonic gear lapping processing (1) of spiral bevel gear
Choose two pairs of steel spiral bevel gears, shown in accompanying drawing one, modulus 1.25mm, gear ratio 17/44, bull wheel tooth face hardness 48HRc, steamboat 50HRc.
Grinding agent is mixed by water and white fused alumina, concentration 25%, quantity delivered 65.3mL/s.Select the W40# white fused alumina for use
Frequency f=the 19kHz of ultrasonic gear lapping because less by the gear lapping wheel, is adjusted into A1=8 μ m to steamboat small end end face amplitude.
The rotating speed of driving gear is 600r/min in the processing, and the braking torque that is applied on the driven gear is 0.2Nm, and milling time is 2min.According to back-geared loss of weight amount before grinding, recording material removing rate is 87.3mg/min.
Embodiment 2: the ultrasonic gear lapping processing (2) of spiral bevel gear
Choose two pairs of steel spiral bevel gears, gear parameter is identical with example one.
Grinding agent is mixed by water and white fused alumina, concentration 20%, quantity delivered 65.3mL/s.Select the W40# white fused alumina for use.
Frequency f=the 19kHz of ultrasonic gear lapping, steamboat small end end face amplitude is adjusted into A1=8 μ m.
The rotating speed of driving gear is 200r/min in the processing, and the braking torque that is applied on the driven gear is 0.12Nm, and milling time is 2min.According to back-geared loss of weight amount before grinding, recording material removing rate is 132.0mg/min.
Embodiment 3: the ultrasonic gear lapping processing (3) of spiral bevel gear
Choose two pairs of steel spiral bevel gears, gear parameter is identical with example one.
Grinding agent is mixed by water and W40# white fused alumina, concentration 20%, quantity delivered 65.3mL/s.
Frequency f=the 19kHz of ultrasonic gear lapping, steamboat small end end face amplitude is adjusted into A1=8 μ m.
The rotating speed of driving gear is 400r/min in the processing, and the braking torque that is applied on the driven gear is 2.0Nm, and milling time is 3min.According to back-geared loss of weight amount before grinding, recording material removing rate is 65.0mg/min.
Embodiment 4: the ultrasonic gear lapping processing of straight-tooth involute cylindrical gear
Choose two pairs of straight-tooth involute cylindrical gears, as shown in Figure 2, modulus 4mm, gear ratio 12/40, bull wheel tooth face hardness 54HRc, steamboat 58HRc.
Grinding agent is mixed by water and W40# white fused alumina, concentration 25%, quantity delivered 100mL/s.
Frequency f=the 19kHz of ultrasonic gear lapping, driving gear end face amplitude is adjusted into A1=15 μ m.
The rotating speed of driving gear is 400r/min in the processing, and the braking torque that is applied on the driven gear is 2Nm, and milling time is 3min.According to back-geared loss of weight amount before grinding, recording material removing rate is 210mg/min.
Claims (10)
1. a method of grinding and processing gear wheel is characterized in that, this grinding method comprises the steps:
(1) a pair of gear that needs is carried out attrition process is assembled together, and drives driven gear by driving gear and carries out gear motion;
(2) on driven gear, apply the braking torque of setting;
(3) on driving gear or driven gear, apply dither.
2. method of grinding and processing gear wheel according to claim 1 is characterized in that described braking torque is between 0.1Nm～8Nm.
3. method of grinding and processing gear wheel according to claim 1 is characterized in that the rotating speed of described driving gear is between 200～3000r/min.
4. method of grinding and processing gear wheel according to claim 1 is characterized in that, described dither mode is for vertically, radially or direction of rotation or its combination.
5. method of grinding and processing gear wheel according to claim 4 is characterized in that, the frequency of described dither is between 1KHZ～30KHZ, and amplitude is between 3～20 μ m.
6. method of grinding and processing gear wheel according to claim 5 is characterized in that, described dither produces by ultrasonic acoustically, mechanical system, electronics mode or hydraulic way, or its compound mode generation.
7. method of grinding and processing gear wheel according to claim 1 is characterized in that, two can be roller gear, conical gear or hypoid gear by gear lapping wheel.
8. method of grinding and processing gear wheel according to claim 1 is characterized in that, grinds required time range between 1～10min.
9. according to arbitrary described method of grinding and processing gear wheel of claim 1-8, it is characterized in that, in the attrition process process, inject grinding agent, to reach the effect of strengthening attrition process between cog.
10. method of grinding and processing gear wheel according to claim 9 is characterized in that grinding agent is mixed by water, kerosene or special-purpose grinding fluid and white fused alumina, and the granularity of white fused alumina is 40
#～60
#, the concentration of grinding agent is 10%～40%, quantity delivered is 30mL/s～120mL/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100541553A CN101274379A (en) | 2007-03-28 | 2007-03-28 | Method of grinding and processing gear wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100541553A CN101274379A (en) | 2007-03-28 | 2007-03-28 | Method of grinding and processing gear wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101274379A true CN101274379A (en) | 2008-10-01 |
Family
ID=39994465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100541553A Pending CN101274379A (en) | 2007-03-28 | 2007-03-28 | Method of grinding and processing gear wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101274379A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151912A (en) * | 2010-12-31 | 2011-08-17 | 辽宁工业大学 | Inner gear pair vibration grinder |
| CN103433825A (en) * | 2013-09-09 | 2013-12-11 | 西安航空动力股份有限公司 | Control method of grinding burn of carburized gear of aeroengine |
| CN105710454A (en) * | 2016-03-31 | 2016-06-29 | 大连交通大学 | Numerical control worm wheel grinding wheel gear grinding machine of small spiral bevel gear and machining steps thereof |
| CN107008979A (en) * | 2016-11-21 | 2017-08-04 | 北京工商大学 | A kind of magnetic fluid flexbile gear grinding attachment |
| CN108127355A (en) * | 2017-12-15 | 2018-06-08 | 沈阳新松智能驱动股份有限公司 | A kind of processing method for improving RV retarders second level gear unit wear-resistant strength |
| CN109909837A (en) * | 2019-04-01 | 2019-06-21 | 太原理工大学 | A kind of engagement squash type gear teeth face abrasive flows polishing processing method and device |
| CN111975130A (en) * | 2020-07-20 | 2020-11-24 | 湖南中大创远数控装备有限公司 | Method for grinding spiral bevel gear by full tooth surface |
| CN111992817A (en) * | 2020-07-20 | 2020-11-27 | 湖南中大创远数控装备有限公司 | Grinding method for lapping spiral bevel gear |
| CN112222758A (en) * | 2020-10-10 | 2021-01-15 | 河南理工大学 | Gear tooth surface ultrasonic longitudinal-torsional composite vibration pair rolling extrusion strengthening system |
-
2007
- 2007-03-28 CN CNA2007100541553A patent/CN101274379A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151912B (en) * | 2010-12-31 | 2012-10-31 | 辽宁工业大学 | Inner gear pair vibration grinder |
| CN102151912A (en) * | 2010-12-31 | 2011-08-17 | 辽宁工业大学 | Inner gear pair vibration grinder |
| CN103433825A (en) * | 2013-09-09 | 2013-12-11 | 西安航空动力股份有限公司 | Control method of grinding burn of carburized gear of aeroengine |
| CN103433825B (en) * | 2013-09-09 | 2015-09-23 | 西安航空动力股份有限公司 | The control method of a kind of aero-engine carburized gears grinding burn |
| CN105710454B (en) * | 2016-03-31 | 2018-11-02 | 大连交通大学 | Small-sized spiral bevel gear digital control snail disk grinding wheel gear lapping machine and its procedure of processing |
| CN105710454A (en) * | 2016-03-31 | 2016-06-29 | 大连交通大学 | Numerical control worm wheel grinding wheel gear grinding machine of small spiral bevel gear and machining steps thereof |
| CN107008979A (en) * | 2016-11-21 | 2017-08-04 | 北京工商大学 | A kind of magnetic fluid flexbile gear grinding attachment |
| CN107008979B (en) * | 2016-11-21 | 2018-08-24 | 北京工商大学 | A kind of magnetic fluid flexbile gear grinding attachment |
| CN108127355A (en) * | 2017-12-15 | 2018-06-08 | 沈阳新松智能驱动股份有限公司 | A kind of processing method for improving RV retarders second level gear unit wear-resistant strength |
| CN108127355B (en) * | 2017-12-15 | 2019-05-21 | 沈阳新松智能驱动股份有限公司 | A kind of processing method improving RV retarder second level gear unit wear-resistant strength |
| CN109909837A (en) * | 2019-04-01 | 2019-06-21 | 太原理工大学 | A kind of engagement squash type gear teeth face abrasive flows polishing processing method and device |
| CN109909837B (en) * | 2019-04-01 | 2021-06-25 | 太原理工大学 | Meshing extrusion type gear tooth surface abrasive flow polishing processing method and device |
| CN111975130A (en) * | 2020-07-20 | 2020-11-24 | 湖南中大创远数控装备有限公司 | Method for grinding spiral bevel gear by full tooth surface |
| CN111992817A (en) * | 2020-07-20 | 2020-11-27 | 湖南中大创远数控装备有限公司 | Grinding method for lapping spiral bevel gear |
| CN112222758A (en) * | 2020-10-10 | 2021-01-15 | 河南理工大学 | Gear tooth surface ultrasonic longitudinal-torsional composite vibration pair rolling extrusion strengthening system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101274379A (en) | Method of grinding and processing gear wheel | |
| JP6466523B2 (en) | Workpiece manufacturing method, and tool, gear cutting device and computer program for executing the manufacturing method | |
| US8527085B2 (en) | Method for operating a gear grinding machine | |
| CN102500835A (en) | Ultrasonic strengthening device for gear tooth surfaces of involute cylindrical gears | |
| JP5061186B2 (en) | Internal gear-shaped diamond dresser, truing of grinding wheel for gear processing, dressing method, and internal gear grinding method | |
| US4947590A (en) | Method for the precision working of crowned tooth flanks on particularly hardened gears | |
| Jain et al. | 1.4 review of gear finishing processes | |
| CN110509016A (en) | A kind of manufacturing process of the micro- carbide-tipped milling cutter of superfinishing | |
| CN101797709B (en) | Composite grinding method for large-caliber quartz glass substrate | |
| CN101362230B (en) | External-gearing honing cylindrical gear machine-tool and method | |
| JP4724038B2 (en) | Dress gear manufacturing equipment | |
| CN201020571Y (en) | Gear lapping machine | |
| JP2002144150A (en) | Method and device for grinding gear utilizing ultrasonic wave | |
| JP2002126993A (en) | Manufacturing method for gear and its machining device | |
| EP1237675A1 (en) | Spindle for machine tool | |
| JP2008018492A (en) | Finishing work method of gear and finishing work device | |
| CN209334862U (en) | Involute spiral cylinder external gear grinding apparatus | |
| CN109530818B (en) | Involute spiral cylinder external gear grinding equipment | |
| CN101244473A (en) | Endless screw grinding device | |
| JP3864718B2 (en) | How to dress a honing stone | |
| JP7298099B2 (en) | Multi-layer whetstone for gear grinding | |
| YANASE et al. | The Latest Gear Manufacturing Technology for High Accuracy and Efficiency | |
| Reimann et al. | Technological potential and performance of gears ground by dressable CBN tools | |
| CN1559731A (en) | Cycloidal gear digital controlling abrasive belt tooth grinding method and device | |
| JP2000280120A (en) | Manufacture of gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081001 |