CN102658461A - Axle gear ring tray machining process - Google Patents
Axle gear ring tray machining process Download PDFInfo
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- CN102658461A CN102658461A CN2012101601745A CN201210160174A CN102658461A CN 102658461 A CN102658461 A CN 102658461A CN 2012101601745 A CN2012101601745 A CN 2012101601745A CN 201210160174 A CN201210160174 A CN 201210160174A CN 102658461 A CN102658461 A CN 102658461A
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- tooth
- cylindrical
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- endoporus
- gear ring
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Abstract
The invention discloses an axle gear ring tray machining process which includes blank preparation, rough machining, heat treatment, semi-finishing, finish machining and product inspection. The heat treatment adopts modulation treatment, so that machined axle gear ring trays can be high in surface hardness and abrasion resistance, and the service life of the machined axle gear ring trays can be prolonged.
Description
Technical field
The present invention relates to a kind of auto parts machinery processing technology, relate in particular to a kind of vehicle bridge gear ring pallet processing technology.
Background technology
Vehicle bridge gear ring pallet is one of vertical strength member of putting the drive axle that vehicle all must be equipped with of engine, belongs to disk-like accessory, is provided with endoporus; Be with the transmission of power of engine important driving parts, the heavy goods vehicles of high power output such as use for mining or engineering, for adapting to the big moment of its transmission system to drive wheels; Guarantee the structural strength of car vehicle bridge gear ring pallet, it is comparatively thick and heavy generally to design vehicle bridge gear ring pallet, and the gear ring modulus is bigger; Quenching Treatment is generally adopted in heat treatment in the prior art vehicle bridge gear ring pallet processing technology; Its defective is: the depth of quenching and carburizing carbon potential do not reach requirement, and surface of the work hardness is on the low side, wears no resistance; Inefficacy easy to wear in the use, service life is short.
Therefore, need a kind of vehicle bridge gear ring pallet processing technology, make the case hardness height, the wearability that process product strong.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of vehicle bridge gear ring pallet processing technology, changed heat treatment mode in the past, make that the case hardness that processes vehicle bridge gear ring pallet is high, wearability is strong, be beneficial to prolong its service life.
Vehicle bridge gear ring pallet processing technology of the present invention comprises blank preparation, roughing, heat treatment, semifinishing, fine finishining and the examination and test of products, specifically may further comprise the steps:
A. blank is prepared: die forging base or buying forging stock, carry out the forging stock check then;
B. roughing:
B1. rough turn little cylindrical, endoporus, end face are reserved allowance 2 ~ 3mm, and all surfaces roughness reaches Ra12.5;
B2. rough turn length overall, big seam and tooth cylindrical are reserved allowance 2 ~ 3mm, and all surfaces roughness reaches Ra12.5;
C. heat treatment: adopt modulation treatment, quenching and tempering hardness is 250-280HB;
D. semifinishing:
D1. half finish turning endoporus, large end face, cylindrical and transverse tooth thickness, transverse tooth thickness and large end face are reserved allowance 2 ~ 2.5mm, and other reserve allowance 0.7 ~ 1.5mm, and inner bore surface roughness reaches Ra3.2;
D2. the big seam of half finish turning, inner cone and tooth cylindrical are reserved allowance 0.7 ~ 1.5mm, and big seam surface roughness reaches Ra3.2;
D3. be positioned at endoporus garland key;
D4. repair basal plane, big seam surface roughness reaches Ra1.6, and big seam is not more than 0.05 with respect to endoporus beating degree tolerance;
E. fine finishining:
E1. finish turning length overall, little cylindrical and transverse tooth thickness to target size and be positioned at little outside the rounded shoulders fillet of falling R10; The all surfaces roughness reaches Ra3.2; Little cylindrical is not more than 0.06 with respect to endoporus beating degree tolerance, and large end face is not more than 0.03 with respect to big seam beating degree tolerance;
E2. finish turning tooth cylindrical, inner cone and big seam are to target size, and the inner cone surface roughness reaches 1.6, all the other 6.3, inner cone is not more than 0.03 with respect to endoporus beating degree tolerance;
E3. upper rolling tooth machine gear hobbing, tooth-face roughness reaches Ra3.2, and tooth circle footpath is jumped tolerance and is not more than 0.07,0.2 * 45 ° of tooth both sides chamfered edge;
E4. go up the drilling machine drilling and tapping, the screw thread roughness reaches Ra3.2;
E5. finish grind, cylindrical and end face roughness reach Ra0.8, and outer circle diameter is jumped tolerance and is not more than 0.025;
F: check product size and outward appearance.
Further, among the said step c, modulator approach is: workpiece is heated to 880 ℃ ~ 900 ℃; Be incubated and oozed by force 3 hours after 30 minutes, carbon potential 0.4, temperature is reduced to 860 ℃ of diffusions 10 minutes then; Carbon potential 0.4 is come out of the stove, and oil quenching 600 seconds, wherein stirs by force and stirs slowly in 500 seconds 100 seconds; Take out drop oil at last and carry out tempering, 580 ℃ ~ 590 ℃ of temperatures, tempering time 2 hours after 200 seconds;
Further, among the said step e2, be positioned at the chamfering of collar extension during the finish turning inner cone along 0.2 ~ 0.3 * 45 ° of processing.
The invention has the beneficial effects as follows: vehicle bridge gear ring pallet processing technology of the present invention, changed heat treatment mode in the past, make that the case hardness that processes vehicle bridge gear ring pallet is high, wearability is strong, be beneficial to prolong its service life.
The specific embodiment
The vehicle bridge gear ring pallet processing technology of present embodiment comprises blank preparation, roughing, heat treatment, semifinishing, fine finishining and the examination and test of products, specifically may further comprise the steps:
A. blank is prepared: the buying forging stock is also checked forging stock material, size and outward appearance;
B. roughing:
B1. rough turn little cylindrical, endoporus, end face are reserved allowance 2 ~ 3mm, and all surfaces roughness reaches Ra12.5;
B2. rough turn length overall, big seam and tooth cylindrical are reserved allowance 2 ~ 3mm, and all surfaces roughness reaches Ra12.5;
C. heat treatment: adopt modulation treatment, quenching and tempering hardness is 250-280HB, and modulator approach is: workpiece is heated to 880 ℃ ~ 900 ℃, is incubated and oozed by force 3 hours after 30 minutes; Carbon potential 0.4, temperature is reduced to 860 ℃ of diffusions 10 minutes then, and carbon potential 0.4 is come out of the stove; Oil quenching 600 seconds, wherein stir by force and stirred slowly in 500 seconds 100 seconds, take out drop oil at last and carry out tempering after 200 seconds; 580 ℃ ~ 590 ℃ of temperatures, tempering time 2 hours adopts modulation treatment to replace Quenching Treatment in the past; Can increase the depth of quenching and carburizing carbon potential, surface of the work hardness is high after handling, wearability is strong, is beneficial to prolong its service life;
D. semifinishing:
D1. half finish turning endoporus, large end face, cylindrical and transverse tooth thickness, transverse tooth thickness and large end face are reserved allowance 2 ~ 2.5mm, and other reserve allowance 0.7 ~ 1.5mm, and inner bore surface roughness reaches Ra3.2;
D2. the big seam of half finish turning, inner cone and tooth cylindrical are reserved allowance 0.7 ~ 1.5mm, and big seam surface roughness reaches Ra3.2;
D3. be positioned at endoporus garland key;
D4. repair basal plane, big seam surface roughness reaches Ra1.6, and big seam is not more than 0.05 with respect to endoporus beating degree tolerance;
E. fine finishining:
E1. finish turning length overall, little cylindrical and transverse tooth thickness to target size and be positioned at little outside the rounded shoulders fillet of falling R10; The all surfaces roughness reaches Ra3.2; Little cylindrical is not more than 0.06 with respect to endoporus beating degree tolerance, and large end face is not more than 0.03 with respect to big seam beating degree tolerance;
E2. finish turning tooth cylindrical, inner cone and big seam are to target size, and the inner cone surface roughness reaches 1.6, all the other 6.3, inner cone is not more than 0.03 with respect to endoporus beating degree tolerance, is positioned at the chamfering of collar extension along 0.2 ~ 0.3 * 45 ° of processing during the finish turning inner cone;
E3. upper rolling tooth machine gear hobbing, tooth-face roughness reaches Ra3.2, and tooth circle footpath is jumped tolerance and is not more than 0.07,0.2 * 45 ° of tooth both sides chamfered edge;
E4. go up the drilling machine drilling and tapping, the screw thread roughness reaches Ra3.2;
E5. finish grind, cylindrical and end face roughness reach Ra0.8, and outer circle diameter is jumped tolerance and is not more than 0.025;
F: check product size and outward appearance.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. vehicle bridge gear ring pallet processing technology is characterized in that: comprise blank preparation, roughing, heat treatment, semifinishing, fine finishining and the examination and test of products, specifically may further comprise the steps:
A. blank is prepared: die forging base or buying forging stock, carry out the forging stock check then;
B. roughing:
B1. rough turn little cylindrical, endoporus, end face are reserved allowance 2 ~ 3mm, and all surfaces roughness reaches Ra12.5;
B2. rough turn length overall, big seam and tooth cylindrical are reserved allowance 2 ~ 3mm, and all surfaces roughness reaches Ra12.5;
C. heat treatment: adopt modulation treatment, quenching and tempering hardness is 250-280HB;
D. semifinishing:
D1. half finish turning endoporus, large end face, cylindrical and transverse tooth thickness, transverse tooth thickness and large end face are reserved allowance 2 ~ 2.5mm, and other reserve allowance 0.7 ~ 1.5mm, and inner bore surface roughness reaches Ra3.2;
D2. the big seam of half finish turning, inner cone and tooth cylindrical are reserved allowance 0.7 ~ 1.5mm, and big seam surface roughness reaches Ra3.2;
D3. be positioned at endoporus garland key;
D4. repair basal plane, big seam surface roughness reaches Ra1.6, and big seam is not more than 0.05 with respect to endoporus beating degree tolerance;
E. fine finishining:
E1. finish turning length overall, little cylindrical and transverse tooth thickness to target size and be positioned at little outside the rounded shoulders fillet of falling R10; The all surfaces roughness reaches Ra3.2; Little cylindrical is not more than 0.06 with respect to endoporus beating degree tolerance, and large end face is not more than 0.03 with respect to big seam beating degree tolerance;
E2. finish turning tooth cylindrical, inner cone and big seam are to target size, and the inner cone surface roughness reaches 1.6, all the other 6.3, inner cone is not more than 0.03 with respect to endoporus beating degree tolerance;
E3. upper rolling tooth machine gear hobbing, tooth-face roughness reaches Ra3.2, and tooth circle footpath is jumped tolerance and is not more than 0.07,0.2 * 45 ° of tooth both sides chamfered edge;
E4. go up the drilling machine drilling and tapping, the screw thread roughness reaches Ra3.2;
E5. finish grind, cylindrical and end face roughness reach Ra0.8, and outer circle diameter is jumped tolerance and is not more than 0.025;
F: check product size and outward appearance.
2. vehicle bridge gear ring pallet processing technology according to claim 1, it is characterized in that: among the said step c, modulator approach is: workpiece is heated to 880 ℃ ~ 900 ℃; Be incubated and oozed by force 3 hours after 30 minutes, carbon potential 0.4, temperature is reduced to 860 ℃ of diffusions 10 minutes then; Carbon potential 0.4 is come out of the stove, and oil quenching 600 seconds, wherein stirs by force and stirs slowly in 500 seconds 100 seconds; Take out drop oil at last and carry out tempering, 580 ℃ ~ 590 ℃ of temperatures, tempering time 2 hours after 200 seconds.
3. vehicle bridge gear ring pallet processing technology according to claim 1 is characterized in that: among the said step e2, be positioned at the chamfering of collar extension along 0.2 ~ 0.3 * 45 ° of processing during the finish turning inner cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210160174.5A CN102658461B (en) | 2012-05-22 | 2012-05-22 | Axle gear ring tray machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210160174.5A CN102658461B (en) | 2012-05-22 | 2012-05-22 | Axle gear ring tray machining process |
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| CN102658461A true CN102658461A (en) | 2012-09-12 |
| CN102658461B CN102658461B (en) | 2014-07-09 |
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| CN201210160174.5A Expired - Fee Related CN102658461B (en) | 2012-05-22 | 2012-05-22 | Axle gear ring tray machining process |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464991A (en) * | 2013-09-18 | 2013-12-25 | 江国辉 | Gear ring machining process |
| CN103817501A (en) * | 2014-02-24 | 2014-05-28 | 常州天山重工机械有限公司 | Machining method of extra-large precision gear ring, gear ring and assembling method of gear ring |
| CN104070332A (en) * | 2014-06-24 | 2014-10-01 | 重庆神箭汽车传动件有限责任公司 | Method for processing gear ring and gear ring processing device involved in method |
| CN104439951A (en) * | 2014-11-15 | 2015-03-25 | 江阴吉爱倍万达精工有限公司 | Machining technology of bearing rings with steps on outer rings |
| CN104668919A (en) * | 2015-01-12 | 2015-06-03 | 广东华力通变压器有限公司 | Process for machining special winding gears for transformers with roll iron cores |
| CN105081712A (en) * | 2014-05-05 | 2015-11-25 | 江阴市永兴机械制造有限公司 | Gear tempering processing method |
| CN106078115A (en) * | 2016-07-22 | 2016-11-09 | 长沙天和钻具机械有限公司 | A kind of reverse circulation impactor inner casing joint processing technique |
| CN106271436A (en) * | 2016-08-31 | 2017-01-04 | 江苏金卡汽车部件有限公司 | A kind of gear ring support processing technique |
| CN107414418A (en) * | 2017-07-12 | 2017-12-01 | 泉州佰源机械科技股份有限公司 | The processing technology of disk water caltrop on a kind of single-side machine |
| CN109014773A (en) * | 2018-06-22 | 2018-12-18 | 哈尔滨汽轮机厂有限责任公司 | A kind of packing measuring tool processing method |
| CN110919295A (en) * | 2018-09-19 | 2020-03-27 | 宁波江丰电子材料股份有限公司 | Processing method of wafer tray |
| CN111230405A (en) * | 2020-03-13 | 2020-06-05 | 宁波江丰电子材料股份有限公司 | Machining method of wafer tray |
| CN111822949A (en) * | 2020-06-28 | 2020-10-27 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Surface machining process for wind power gear ring |
| CN111850254A (en) * | 2020-08-17 | 2020-10-30 | 綦江重配齿轮有限公司 | Method for preventing spline shaft from medium-frequency quenching deformation |
| CN112658619A (en) * | 2020-12-29 | 2021-04-16 | 苏州浩耀辰智能科技有限公司 | Machining process of backpack mower connecting disc |
| CN113560814A (en) * | 2021-04-26 | 2021-10-29 | 徐州新大隆化工泵业制造有限公司 | Processing technology of high-strength plunger pump check valve |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464991A (en) * | 2013-09-18 | 2013-12-25 | 江国辉 | Gear ring machining process |
| CN103817501A (en) * | 2014-02-24 | 2014-05-28 | 常州天山重工机械有限公司 | Machining method of extra-large precision gear ring, gear ring and assembling method of gear ring |
| CN103817501B (en) * | 2014-02-24 | 2016-08-17 | 常州天山重工机械有限公司 | The processing method of super large precision gear ring, made gear ring and the assembly method of gear ring |
| CN105081712A (en) * | 2014-05-05 | 2015-11-25 | 江阴市永兴机械制造有限公司 | Gear tempering processing method |
| CN104070332A (en) * | 2014-06-24 | 2014-10-01 | 重庆神箭汽车传动件有限责任公司 | Method for processing gear ring and gear ring processing device involved in method |
| CN104070332B (en) * | 2014-06-24 | 2017-05-03 | 重庆神箭汽车传动件有限责任公司 | Method for processing gear ring |
| CN104439951A (en) * | 2014-11-15 | 2015-03-25 | 江阴吉爱倍万达精工有限公司 | Machining technology of bearing rings with steps on outer rings |
| CN104668919A (en) * | 2015-01-12 | 2015-06-03 | 广东华力通变压器有限公司 | Process for machining special winding gears for transformers with roll iron cores |
| CN106078115A (en) * | 2016-07-22 | 2016-11-09 | 长沙天和钻具机械有限公司 | A kind of reverse circulation impactor inner casing joint processing technique |
| CN106271436A (en) * | 2016-08-31 | 2017-01-04 | 江苏金卡汽车部件有限公司 | A kind of gear ring support processing technique |
| CN107414418A (en) * | 2017-07-12 | 2017-12-01 | 泉州佰源机械科技股份有限公司 | The processing technology of disk water caltrop on a kind of single-side machine |
| CN107414418B (en) * | 2017-07-12 | 2019-11-26 | 泉州佰源机械科技股份有限公司 | The processing technology of disk water chestnut on a kind of single-side machine |
| CN109014773A (en) * | 2018-06-22 | 2018-12-18 | 哈尔滨汽轮机厂有限责任公司 | A kind of packing measuring tool processing method |
| CN110919295A (en) * | 2018-09-19 | 2020-03-27 | 宁波江丰电子材料股份有限公司 | Processing method of wafer tray |
| CN111230405A (en) * | 2020-03-13 | 2020-06-05 | 宁波江丰电子材料股份有限公司 | Machining method of wafer tray |
| CN111230405B (en) * | 2020-03-13 | 2021-09-24 | 宁波江丰电子材料股份有限公司 | Machining method of wafer tray |
| CN111822949A (en) * | 2020-06-28 | 2020-10-27 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Surface machining process for wind power gear ring |
| CN111822949B (en) * | 2020-06-28 | 2022-03-29 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Surface machining process for wind power gear ring |
| CN111850254A (en) * | 2020-08-17 | 2020-10-30 | 綦江重配齿轮有限公司 | Method for preventing spline shaft from medium-frequency quenching deformation |
| CN112658619A (en) * | 2020-12-29 | 2021-04-16 | 苏州浩耀辰智能科技有限公司 | Machining process of backpack mower connecting disc |
| CN113560814A (en) * | 2021-04-26 | 2021-10-29 | 徐州新大隆化工泵业制造有限公司 | Processing technology of high-strength plunger pump check valve |
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