CN103212754B - Processing method of spiral bevel gears for main reducers of axle housings - Google Patents
Processing method of spiral bevel gears for main reducers of axle housings Download PDFInfo
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- CN103212754B CN103212754B CN201310166434.4A CN201310166434A CN103212754B CN 103212754 B CN103212754 B CN 103212754B CN 201310166434 A CN201310166434 A CN 201310166434A CN 103212754 B CN103212754 B CN 103212754B
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- 238000003672 processing method Methods 0.000 title claims abstract description 17
- 239000003638 chemical reducing agent Substances 0.000 title abstract 2
- 238000003801 milling Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000000227 grinding Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
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Abstract
The invention discloses a processing method of spiral bevel gears for main reducers of axle housings. The processing method comprises the processing methods of driving bevel gears, driven bevel gears and a motor coupling. Wherein the structural design of the driving bevel gears and the driven bevel gears is characterized in that the teeth number ratio of the driving bevel gears and the driven bevel gears is 47 to 11, the module is 4.65, the average pressure angle is 20 degrees and the midpoint helical angle is 35 degrees; and the teeth numbers of the meshed splines of a main teeth engagement sleeve,a main teeth connection sleeve and a motor engagement sleeve of the motor coupling are the same. According to the processing method disclosed by the invention, the structure of the driving bevel gears and the driven bevel gears is designed and the manufacturing procedures of gear milling and gear grinding are adopted to process the driving bevel gears and the driven bevel gears respectively, so that the processing operation is simple. In addition, the precision of the processed gears and the motor coupling is high, the engagement effect is good, the high strength of the gears is ensured and the noise of the gears in transmission is lowered.
Description
Technical field
The present invention relates to electric bus deceleration system field, city, specifically the processing method of a kind of spiral bevel gear on axle housing main reducing gear and motor coupler.
Background technology
The spiral bevel gear of axle housing main reducing gear includes drive bevel gear and by dynamic bevel gear, driven by motor drive bevel gear rotates, drive bevel gear drives and is rotated by dynamic bevel gear, is driven axle shaft gear to rotate by dynamic bevel gear, axle shaft gear internal spline directly and semiaxis connecting band motor car wheel rotate.Drive bevel gear and engaged each other by dynamic bevel gear and carry out transmission, so the mesh degree between active and passive bevel gear is quite important, meshing parameter between active and passive bevel gear includes gear ratio, modulus, average pressure angle and mean spiral angle, and the design of these parameters ensure that the intensity of gear and the noise level determined in gear drive.The gear ratio of the active and passive bevel gear of current design is 41/10, modulus is 3.75, pressure angle comprises the plurality of specifications such as 22.5,20,19, mean spiral angle includes the plurality of specifications such as 50,45,35,30, but the design of existing gear ratio, modulus, average pressure angle and mean spiral angle and selection, cause the insufficient strength of the active and passive bevel gear in producing, and drive noise is large.
Summary of the invention
The technical problem to be solved in the present invention is to provide the processing method of a kind of spiral bevel gear on axle housing main reducing gear and motor coupler, by the gear ratio between the active and passive bevel gear of appropriate design, modulus, average pressure angle and mean spiral angle, ensure that the intensity of gear and the noise level reduced in gear drive.
Technical scheme of the present invention is:
Spiral bevel gear on axle housing main reducing gear and a processing method for motor coupler, include drive bevel gear, by the processing method of dynamic bevel gear and motor coupler, specifically comprise the following steps:
(1), drive bevel gear and the structural design by dynamic bevel gear: both gear ratios are 47/11, and modulus is 4.65, and average pressure angle is 20 °, and mean spiral angle is 35 °;
(2), the processing of drive bevel gear: adopt the tooth base of Gleason NO.116CNC lathe to drive bevel gear to carry out Gear Milling, process helicla flute, then processing is heat-treated, drive bevel gear after adopting Gleason800 gear grinding machines to complete Gear Milling after heat treatment process completes carries out roll flute processing, thus correction drum-shaped tooth, finally at drive bevel gear afterbody processing shaft joint notch, namely complete the processing of drive bevel gear;
(3), by the processing of dynamic bevel gear: utilize axiality broaching tool being pulled out internal spline by the tooth base of dynamic bevel gear, then, Gear Milling reference axis cylindrical and location end face is ground in advance with path location again with plug, Gleason NO.116 lathe is adopted to carry out Gear Milling again, carry out heat treatment process and precision grinding process after Gear Milling completes, complete by the processing of dynamic bevel gear;
(4), the processing of motor coupler: motor coupler includes main tooth engaging sleeve, main tooth adapter sleeve and motor engaging sleeve, described main tooth engaging sleeve and motor engaging sleeve are connected to the inner and the outer end of main tooth adapter sleeve inner ring, and described main tooth engaging sleeve is set in the outer end of drive bevel gear;
The processing of a, main tooth engaging sleeve: external splines adopts SAE J498b splines standard, coordinate with the internal spline of main tooth adapter sleeve the inner, adopt 32 tooth spline joints, diametral pitch 20/40, adopt the pressure angle of 30 °, its internal spline adopts 19 tooth mesh splines and the drive bevel gear spline fitted of GB/T3478 standard, and its modulus is 1.25, pressure angle 30 °, base circle diameter (BCD) is 20.58-20.59mm;
The processing of b, motor engaging sleeve: external splines adopts SAE J498b splines standard, coordinate with the internal spline of main tooth adapter sleeve outer end, adopt 32 tooth spline joints, diametral pitch 20/40, adopt the pressure angle of 30 °, its internal spline adopts 22 tooth mesh splines and the motor output shaft spline fitted of GB/T3478 standard, and its modulus is 1.25, pressure angle 30 °, base circle diameter (BCD) is 23.81-23.82mm;
The processing of C, main tooth adapter sleeve: internal spline adopts SAE J498b splines standard, adopts 32 tooth spline joints, reference diameter 40.6-40.7mm, maximum outside diameter 50-51mm.
The tooth base of described drive bevel gear selects 9 inches of cutters to carry out mill teeth.
Described Gleason800 gear grinding machines use UMC omnipotent motion principle correction drum-shaped tooth, namely allow at the existing cydariform of flank profil direction journey after drive bevel gear Gear shape process, and meet the requirement of step (1) average pressure angle and mean spiral angle.
In described step (4), the base circle diameter (BCD) of main tooth engaging sleeve is 20.588mm, and the base circle diameter (BCD) of motor engaging sleeve is 23.816mm, the reference diameter 40.64mm of main tooth adapter sleeve, the maximum outside diameter 50.8mm of main tooth adapter sleeve.
Advantage of the present invention:
(1) gear ratio, between active and passive bevel gear of the present invention, modulus, average pressure angle and mean spiral angle are by appropriate design and selection, ensure that the intensity of the intermeshing degree of active and passive bevel gear and gear, and reduce the drive noise of active and passive bevel gear;
(2), drive bevel gear of the present invention carries out roll flute processing after Gear Milling heat treatment, adopts roll flute processing technology to improve the machining accuracy of drive bevel gear, the smooth running starting and accelerate when ensure that drive bevel gear takes driven by motor by department;
(3), the roll flute of drive bevel gear of the present invention adopts Gleason800 gear grinding machines, it uses UMC omnipotent motion principle correction drum-shaped tooth, makes gear teeth face reach optimization, stop or reduce EDGE CONTACT, make it operate more smooth and easy;
(4), the present invention by the processing of dynamic bevel gear, utilize axiality broaching tool to pull out internal spline, then grind Gear Milling reference axis cylindrical with plug in advance with path location and locate end face, then carry out Gear Milling, ensure that the axiality by dynamic bevel gear and internal spline;
(5), the mill teeth of drive bevel gear of the present invention selects 9 inches of cutters to process, and increases tool diameter and enables cutter get out of the way the axle portion of drive bevel gear, can not destroy the axle portion of drive bevel gear when ensure that mill teeth;
(6), the present invention is at the afterbody processing shaft joint notch of drive bevel gear, shaft joint notch is connected with encoder, control system forms closed loop, control system sends instruction by computer, motor performs motion, whether run correctly by encoder collection drive bevel gear and controlled motor again and revise in time, ensure that the stable of main reducing gear;
(7), the junction of the present invention's main tooth engaging sleeve, main tooth adapter sleeve and motor engaging sleeve adopts spline joint, and spline joint gear is identical, improves the transmission intensity of mesh splines, effectively improves the service life of shaft coupling assembly.
The structure of the present invention to active and passive bevel gear and motor coupler designs, and adopt mill teeth and roll flute manufacturing procedure to process active and passive bevel gear respectively, process operation is simple, and the precision of the gear processed and motor coupler is high, engage effective, ensure that the intensity of gear and the noise level reduced in gear drive.
Detailed description of the invention
Spiral bevel gear on axle housing main reducing gear and a processing method for motor coupler, include drive bevel gear, by the processing method of dynamic bevel gear and motor coupler, specifically comprise the following steps:
(1), drive bevel gear and the structural design by dynamic bevel gear: both gear ratios are 47/11, and modulus is 4.65, and average pressure angle is 20 °, and mean spiral angle is 35 °;
(2), the processing of drive bevel gear: adopt the tooth base of Gleason NO.116CNC lathe to drive bevel gear to carry out Gear Milling, process helicla flute, wherein, carrying out to the tooth base of drive bevel gear the cutter that mill teeth uses is 9 inches of cutters; Then processing is heat-treated, drive bevel gear after adopting Gleason800 gear grinding machines to complete Gear Milling after heat treatment process completes carries out roll flute processing, Gleason800 gear grinding machines use UMC omnipotent motion principle correction drum-shaped tooth, namely allow at the existing cydariform of flank profil direction journey after drive bevel gear Gear shape process, and meet the requirement of step (1) average pressure angle and mean spiral angle; Finally at drive bevel gear afterbody processing shaft joint notch, namely complete the processing of drive bevel gear;
(3), by the processing of dynamic bevel gear: utilize axiality broaching tool being pulled out internal spline (internal spline is as transmitting torque) by the tooth base of dynamic bevel gear; then; Gear Milling reference axis cylindrical and location end face is ground in advance with path location again with plug; Gleason NO.116 lathe is adopted to carry out Gear Milling again; carry out heat treatment process and precision grinding process after Gear Milling completes, complete by the processing of dynamic bevel gear;
(4), the processing of motor coupler: motor coupler includes main tooth engaging sleeve, main tooth adapter sleeve and motor engaging sleeve, described main tooth engaging sleeve and motor engaging sleeve are connected to the inner and the outer end of main tooth adapter sleeve inner ring, and described main tooth engaging sleeve is set in the outer end of drive bevel gear;
The processing of a, main tooth engaging sleeve: external splines adopts SAE J498b splines standard, coordinate with the internal spline of main tooth adapter sleeve the inner, adopt 32 tooth spline joints, diametral pitch 20/40, adopt the pressure angle of 30 °, its internal spline adopts 19 tooth mesh splines and the drive bevel gear spline fitted of GB/T3478 standard, and its modulus is 1.25, pressure angle 30 °, base circle diameter (BCD) is 20.588mm;
The processing of b, motor engaging sleeve: external splines adopts SAE J498b splines standard, coordinate with the internal spline of main tooth adapter sleeve outer end, adopt 32 tooth spline joints, diametral pitch 20/40, adopt the pressure angle of 30 °, its internal spline adopts 22 tooth mesh splines and the motor output shaft spline fitted of GB/T3478 standard, and its modulus is 1.25, pressure angle 30 °, base circle diameter (BCD) is 23.816mm;
The processing of C, main tooth adapter sleeve: internal spline adopts SAE J498b splines standard, adopts 32 tooth spline joints, reference diameter 40.64mm, maximum outside diameter 50.8mm.
Claims (4)
1. the processing method of a spiral bevel gear on axle housing main reducing gear and motor coupler, include drive bevel gear, by the processing method of dynamic bevel gear and motor coupler, wherein, motor coupler includes main tooth engaging sleeve, main tooth adapter sleeve and motor engaging sleeve, described main tooth engaging sleeve and motor engaging sleeve are connected to the inner and the outer end of main tooth adapter sleeve inner ring, and described main tooth engaging sleeve is set in the outer end of drive bevel gear, it is characterized in that: specifically comprise the following steps:
(1), drive bevel gear and the structural design by dynamic bevel gear: both gear ratios are 47/11, and modulus is 4.65, and average pressure angle is 20 °, and mean spiral angle is 35 °;
(2), the processing of drive bevel gear: adopt the tooth base of Gleason NO.116CNC lathe to drive bevel gear to carry out Gear Milling, process helicla flute, then processing is heat-treated, drive bevel gear after adopting Gleason800 gear grinding machines to complete Gear Milling after heat treatment process completes carries out roll flute processing, thus correction drum-shaped tooth, finally at drive bevel gear afterbody processing shaft joint notch, namely complete the processing of drive bevel gear;
(3), by the processing of dynamic bevel gear: utilize axiality broaching tool being pulled out internal spline by the tooth base of dynamic bevel gear, then, Gear Milling reference axis cylindrical and location end face is ground in advance with path location again with plug, Gleason NO.116 lathe is adopted to carry out Gear Milling again, carry out heat treatment process and precision grinding process after Gear Milling completes, complete by the processing of dynamic bevel gear;
(4), the processing of motor coupler:
The processing of a, main tooth engaging sleeve: external splines adopts SAE J498b splines standard, coordinate with the internal spline of main tooth adapter sleeve the inner, adopt 32 tooth spline joints, diametral pitch 20/40, adopt the pressure angle of 30 °, its internal spline adopts 19 tooth mesh splines and the drive bevel gear spline fitted of GB/T3478 standard, and its modulus is 1.25, pressure angle 30 °, base circle diameter (BCD) is 20.58-20.59mm;
The processing of b, motor engaging sleeve: external splines adopts SAE J498b splines standard, coordinate with the internal spline of main tooth adapter sleeve outer end, adopt 32 tooth spline joints, diametral pitch 20/40, adopt the pressure angle of 30 °, its internal spline adopts 22 tooth mesh splines and the motor output shaft spline fitted of GB/T3478 standard, and its modulus is 1.25, pressure angle 30 °, base circle diameter (BCD) is 23.81-23.82mm;
The processing of C, main tooth adapter sleeve: internal spline adopts SAE J498b splines standard, adopts 32 tooth spline joints, reference diameter 40.6-40.7mm, maximum outside diameter 50-51mm.
2. a kind of as requested described in 1 spiral bevel gear on axle housing main reducing gear and the processing method of motor coupler, is characterized in that: the tooth base of described drive bevel gear selects 9 inches of cutters to carry out mill teeth.
3. a kind of as requested described in 1 spiral bevel gear on axle housing main reducing gear and the processing method of motor coupler, it is characterized in that: described Gleason800 gear grinding machines use UMC omnipotent motion principle correction drum-shaped tooth, namely allow at the existing cydariform of flank profil direction journey after drive bevel gear Gear shape process, and meet the requirement of step (1) average pressure angle and mean spiral angle.
4. a kind of as requested described in 1 spiral bevel gear on axle housing main reducing gear and the processing method of motor coupler, it is characterized in that: in described step (4), the base circle diameter (BCD) of main tooth engaging sleeve is 20.588mm, the base circle diameter (BCD) of motor engaging sleeve is 23.816mm, the reference diameter 40.64mm of main tooth adapter sleeve, the maximum outside diameter 50.8mm of main tooth adapter sleeve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310166434.4A CN103212754B (en) | 2013-05-08 | 2013-05-08 | Processing method of spiral bevel gears for main reducers of axle housings |
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| CN201310166434.4A CN103212754B (en) | 2013-05-08 | 2013-05-08 | Processing method of spiral bevel gears for main reducers of axle housings |
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| CN103212754B true CN103212754B (en) | 2014-12-17 |
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| CN106607626B (en) * | 2017-01-20 | 2018-09-18 | 常州市格里森前进齿轮有限公司 | A kind of mill teeth method of the spiral bevel gear based on Tooth Contact Analysis |
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