CN102534374A - Method for processing rectangular-tooth spline sleeve using 42CrMoE high-quality alloy steel as material - Google Patents
Method for processing rectangular-tooth spline sleeve using 42CrMoE high-quality alloy steel as material Download PDFInfo
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- CN102534374A CN102534374A CN2012100352336A CN201210035233A CN102534374A CN 102534374 A CN102534374 A CN 102534374A CN 2012100352336 A CN2012100352336 A CN 2012100352336A CN 201210035233 A CN201210035233 A CN 201210035233A CN 102534374 A CN102534374 A CN 102534374A
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Abstract
The invention discloses a method for processing a rectangular-tooth spline sleeve using 42CrMoE high-quality alloy steel as a material, belonging to the technical field of thermal treatment. The method comprises the steps of: free forging of a blank, normalizing treatment, rough turning, hardening and tempering thermal treatment, finish turning, spline drawing, drilling, burr gripping, carburization treatment, surface deposition treatment, phosphorylation treatment, electroplating, drying and detection. In the invention, due to the new material and new technology, the wear resistance of the produced rectangular-tooth spline sleeve is greatly enhanced, the phenomenon of crack of the rectangular-tooth spline sleeve is avoided, the surface is smooth, the friction is low, the heat dissipation is good, and the service life is prolonged, thus the processing technology is widely applied.
Description
Technical field
This invention of the present invention belongs to the heat treatment technics field, relates to spline housing and steel alloy thereof.Especially a kind of rectangular teeth spline housing working method of using the 42CrMoE superior alloy steel as material.
Background technology
, component run into the axial restraint of splined shaft and spline housing when working through regular meeting.Traditional mode does, the splined end of splined shaft is stretched in the spline housing, and both are meshed; Fixing through welding again; Because welding connecting mode is completely fixed splined shaft and spline housing extremely, is needing splined shaft to have the occasion of certain axial mobility inapplicable like this, otherwise in the process of transmission, can have a negative impact because of vibration; Rupture from weld because of vibration easily, shortened its work-ing life.In addition, be welded to connect in some specific occasions also inapplicable.During like special substances such as splined shaft and spline housing employing stainless steels, receive the influence of material factors, can not weld; Some machine adopts involute spline in the industrial production field; Its splined shaft is as driving parts; Though have that contact area is big, supporting capacity is high, centering property is good, the guiding danger is good, tooth root is more shallow, stress concentration is less and axle and advantages such as firm strength reduction is little; But the insufficient lubrication of this spline housing, friction is big; Also having a kind of is exactly the serration spline cover, but has present situations such as gap, loosening, abnormal sound with its splined shaft junction.
Summary of the invention
To the deficiency of prior art, the present invention has designed the rectangular teeth spline housing working method of a kind of 42CrMoE of use superior alloy steel as material in order to address the above problem.
The present invention has designed the rectangular teeth spline housing working method of a kind of 42CrMoE of use superior alloy steel as material, and its material has mainly comprised the degree of time column element: Ti 0.35%-0.42%, C 0.52%-0.87%; Mn 1.23%-1.82%, Si 3.24%-5.25%, Ni 0.01%-0.03%; P＜0.03, S＜0.03, preferred Ti0.35%-0.42%; C 0.52%-0.87%, Mn 1.23%-1.82%, Si 3.24%-5.25%; Ni0.01%-0.03%, P＜0.03, S＜0.03.
Second invention of the present invention is, has designed rectangular teeth spline housing working method.Gordian technique is following:
(1) forge rectangular teeth spline housing blank: adopt steam-air hammer and water pressure engine to carry out flat-die forging, be about to the steel jumping-up and pull out, pull out behind the jumping-up after the upset again, in jumping-up and pulling process, keep blank original height and diameter ratio less than 2, it is curved to avoid upsetting,
(2) spline housing behind above-mentioned flat-die forging carries out normalizing treatment, and soon spline housing is put into High Temperature Furnaces Heating Apparatus and is heated to 850-900 ℃, and insulation 4-6h makes part complete austenitizing and homogenizing, adopts spray cooling.
(3) spline housing is carried out roughing, adopt turning processing end face, introduce quench liquid man-hour adding, it is sprayed in a workpiece surface cutter head, process redundancy is 2mm, for precision work is prepared.
(4) carry out modifier treatment, promptly adopt flame quenching and high tempering, with being ejected into workpiece surface on the incendiary oxy-acetylene, it is rapidly heated, reach water spray cooling immediately after the temperature of hardening, tempering temperature is 500-600 ℃, quenching and tempering hardness 28-32HRC.
(5) spline housing is carried out precision work, Milling Process axle sleeve, process redundancy are 1.2mm, and endoporus adopts boring processing, and its surfaceness is Ra=0.1-0.3 μ m,
(6) garland key with chassis cylindrical and step circle location, installs workpiece additional, carries out the garland key with broaching tool,
(7) bore open hole, deburring
(8) carburizing treatment, wet body carburizing in carrying out promptly splashes into acetone as carburizing agent in gas carbruizing furance, and temperature is controlled at 820-860 ℃, insulation 2-3h, slowly cooling
(9) PCVD is handled, and spline housing is placed in the stove that is connected with hydrogen, is heated to 900-1000 ℃, is that carrier is with CH with hydrogen
4Bring reactor drum into, TiC is deposited on the spline housing surface.
(10) spline housing after the vapour deposition processing is carried out bonderizing, adopt polishing afterwards spline Cao finishing.
The invention has the advantages that contact area is big, supporting capacity is high, centering property is good, the guiding danger is good, tooth root is more shallow, stress concentration is less and the axle strength reduction is little; Through operations such as quenching, tempering, carburizing treatment, surface deposition processing; Make the wear resistance and the resistance to bend on surface of rectangular teeth spline housing strengthen greatly; Overcome the rectangular teeth spline housing and seminess occurred, and the gentle right property raising of core, little, the good heat dissipation of any surface finish friction; Prolonged work-ing life, so this complete processing is used widely.Adopt the screw thread contact simultaneously, compare with being welded to connect splined shaft, the screw thread contact has the advantages that the convenient disassembly easy access is changed.
Embodiment
Embodiment one
A kind of rectangular teeth spline housing working method, its material therefor is the 42CrMoE superior alloy steel, mainly comprised the degree of time column element: Ti 0.35%; C 0.52%, and Mn 1.23%, and Si 3.24%; Ni0.01%, P＜0.03, S＜0.03; The complete processing that adopts, gordian technique is following:
Slug: adopt steam-air hammer and water pressure engine to carry out flat-die forging, in jumping-up and pulling process, keep blank original height and diameter, avoid upsetting and bend than less than 2; Carry out normalizing treatment, be heated to 850 ℃ in the High Temperature Furnaces Heating Apparatus, insulation 4h; Spline housing is carried out turning roughing, and process redundancy is 2mm; Carry out modifier treatment, with being ejected into workpiece surface on the incendiary oxy-acetylene, reaching the water spray cooling immediately after the temperature of hardening, tempering temperature is 500 ℃, quenching and tempering hardness 28HRC; Milling precision work axle sleeve, process redundancy are 1.2mm, the boring endoporus, and its surfaceness is Ra=0.1 μ m; The garland key; Bore open hole; Deburring; Carburizing treatment; Promptly in gas carbruizing furance, splash into acetone as carburizing agent, temperature is controlled at 860 ℃, insulation 2h, slowly cooling; PCVD is handled, and spline housing is placed in the stove that is connected with hydrogen, is heated to 900 ℃, is that carrier is with CH with hydrogen
4Bring reactor drum into, TiC is deposited on the spline housing surface; Bonderizing; Polishing is to spline Cao finishing.
Embodiment two
A kind of rectangular teeth spline housing working method, its material therefor is the 42CrMoE superior alloy steel, and mainly comprised the degree of time column element: Ti 0.42%, and C 0.87%, and Mn 1.82%, and Si 5.25%, Ni0.03%, P＜0.03, S＜0.03.The complete processing that adopts, gordian technique is following:
Slug: adopt steam-air hammer and water pressure engine to carry out flat-die forging, in jumping-up and pulling process, keep blank original height and diameter, avoid upsetting and bend than less than 2; Carry out normalizing treatment, be heated to 900 ℃ in the High Temperature Furnaces Heating Apparatus, insulation 6h; Spline housing is carried out turning roughing, and process redundancy is 2mm; Carry out modifier treatment, with being ejected into workpiece surface on the incendiary oxy-acetylene, reaching the water spray cooling immediately after the temperature of hardening, tempering temperature is 600 ℃, quenching and tempering hardness 32HRC; Milling precision work axle sleeve, process redundancy are 1.2mm, the boring endoporus, and its surfaceness is Ra=0.3 μ m; The garland key; Bore open hole; Deburring; Carburizing treatment; Promptly in gas carbruizing furance, splash into acetone as carburizing agent, temperature is controlled at 860 ℃, insulation 3h, slowly cooling; PCVD is handled, and spline housing is placed in the stove that is connected with hydrogen, is heated to 1000 ℃, is that carrier is with CH with hydrogen
4Bring reactor drum into, TiC is deposited on the spline housing surface; Bonderizing; Polishing is to spline Cao finishing.
Applicant's statement; The present invention explains detailed process equipment of the present invention and technical process through the foregoing description; But the present invention is not limited to above-mentioned detailed process equipment and technical process, does not mean that promptly the present invention must rely on above-mentioned detailed process equipment and technical process could be implemented.The person of ordinary skill in the field should understand, and to any improvement of the present invention, to the interpolation of the equivalence replacement of each raw material of product of the present invention and ancillary component, the selection of concrete mode etc., all drops within protection scope of the present invention and the open scope.
Claims (6)
1. a rectangular teeth spline housing is with material 42CrMoE superior alloy steel; It is characterized in that comprising the degree of time column element: Ti 0.35%-0.42%, C 0.52%-0.87%, Mn 1.23%-1.82%; Si3.24%-5.25%; Ni 0.01%-0.03%, P＜0.03, S＜0.03.
2. according to claims 1 described duraluminum, it is characterized in that: Ti 0.38%-0.40%, C0.55%-0.80%, Mn 1.29%-1.80%, Si 3.5%-5%, Ni 0.02%-0.025%, P＜0.02, S＜0.01.
3. according to claim 1 or 2 described a kind of working methods of using the 42CrMoE superior alloy steel as the rectangular teeth spline housing of material, it is characterized in that:
(1) forge rectangular teeth spline housing blank: adopt steam-air hammer and water pressure engine to carry out flat-die forging, be about to the steel jumping-up and pull out, pull out behind the jumping-up after the upset again, in jumping-up and pulling process, keep blank original height and diameter ratio less than 2, it is curved to avoid upsetting,
(2) spline housing behind above-mentioned flat-die forging carries out normalizing treatment, and soon spline housing is put into High Temperature Furnaces Heating Apparatus and is heated to 850-900 ℃, and insulation 4-6h makes part complete austenitizing and homogenizing, adopts spray cooling.
(3) spline housing is carried out roughing, adopt turning processing end face, introduce quench liquid man-hour adding, it is sprayed in a workpiece surface cutter head, process redundancy is 2mm, for precision work is prepared.
(4) carry out modifier treatment, promptly adopt flame quenching and high tempering, with being ejected into workpiece surface on the incendiary oxy-acetylene, it is rapidly heated, reach water spray cooling immediately after the temperature of hardening, tempering temperature is 500-600 ℃, quenching and tempering hardness 28-32HRC.
(5) spline housing is carried out precision work, Milling Process axle sleeve, process redundancy are 1.2mm, and endoporus adopts boring processing, and its surfaceness is Ra=0.1-0.3 μ m,
(6) garland key with chassis cylindrical and step circle location, installs workpiece additional, carries out the garland key with broaching tool,
(7) bore open hole, deburring
(8) carburizing treatment, wet body carburizing in carrying out promptly splashes into acetone as carburizing agent in gas carbruizing furance, and temperature is controlled at 820-860 ℃, insulation 2-3h, slowly cooling
(9) PCVD is handled, and spline housing is placed in the stove that is connected with hydrogen, is heated to 900-1000 ℃, is that carrier is with CH with hydrogen
4Bring reactor drum into, TiC is deposited on the spline housing surface.
(10) spline housing after the vapour deposition processing is carried out bonderizing, adopt polishing afterwards spline Cao finishing.
4. rectangular teeth spline housing of making by the method for claim 3.
5. rectangular teeth spline housing of making by the superior alloy steel of claim 1 or 2.
6. rectangular teeth spline housing that adopts the superior alloy steel of claim 1 or 2 and adopt the method for claim 3 to make.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100352336A CN102534374A (en) | 2012-02-16 | 2012-02-16 | Method for processing rectangular-tooth spline sleeve using 42CrMoE high-quality alloy steel as material |
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| CN2012100352336A CN102534374A (en) | 2012-02-16 | 2012-02-16 | Method for processing rectangular-tooth spline sleeve using 42CrMoE high-quality alloy steel as material |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848156A (en) * | 2012-09-24 | 2013-01-02 | 许昌远东传动轴股份有限公司 | Processing method of middle flange of transmission shaft |
| CN102990314A (en) * | 2012-12-02 | 2013-03-27 | 齐重数控装备股份有限公司 | Machining method of hex-equant external diameter centering spline gear |
| CN103042364A (en) * | 2012-12-24 | 2013-04-17 | 桐乡市易锋机械厂 | Automobile air-conditioning compressor piston production method |
| CN103343474A (en) * | 2013-06-25 | 2013-10-09 | 宝钢轧辊科技有限责任公司 | Calendaring roller shell and manufacturing method thereof |
| CN105834672A (en) * | 2016-04-26 | 2016-08-10 | 苏州昭沃五金科技有限公司 | Machining process for spline shell |
| CN106282828A (en) * | 2016-08-31 | 2017-01-04 | 宁波瑞国精机工业有限公司 | Hollow pillar |
| CN106319340A (en) * | 2016-08-31 | 2017-01-11 | 赖世权 | Processing method for spring steel |
| CN107350731A (en) * | 2016-05-09 | 2017-11-17 | 南京晨伟机械设备制造有限公司 | A kind of processing technology of high intensity plunger pump bonnet |
| CN107350730A (en) * | 2016-05-09 | 2017-11-17 | 南京晨伟机械设备制造有限公司 | A kind of processing technology of valve seat |
| CN107350736A (en) * | 2016-05-09 | 2017-11-17 | 南京晨伟机械设备制造有限公司 | A kind of manufacturing process of high intensity stopper ring for plunger pump |
| CN107597871A (en) * | 2016-07-08 | 2018-01-19 | Hytc株式会社 | Extrusion die preparation method and extrusion die lapping device |
| CN107641684A (en) * | 2017-09-30 | 2018-01-30 | 徐州翔凯重工科技有限公司 | A kind of processing technology of spline housing |
| CN111676361A (en) * | 2020-07-20 | 2020-09-18 | 安徽省巢湖市共力链条有限公司 | Heat treatment process for high-strength corrosion-resistant chain |
| CN112264674A (en) * | 2020-09-29 | 2021-01-26 | 上海派尼科技实业股份有限公司 | Manufacturing method of blind hole internal spline |
| CN113337691A (en) * | 2020-03-02 | 2021-09-03 | 中车戚墅堰机车车辆工艺研究所有限公司 | Method for reducing heat treatment deformation of carburized and quenched part |
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2012
- 2012-02-16 CN CN2012100352336A patent/CN102534374A/en not_active Withdrawn
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848156A (en) * | 2012-09-24 | 2013-01-02 | 许昌远东传动轴股份有限公司 | Processing method of middle flange of transmission shaft |
| CN102990314A (en) * | 2012-12-02 | 2013-03-27 | 齐重数控装备股份有限公司 | Machining method of hex-equant external diameter centering spline gear |
| CN103042364A (en) * | 2012-12-24 | 2013-04-17 | 桐乡市易锋机械厂 | Automobile air-conditioning compressor piston production method |
| CN103042364B (en) * | 2012-12-24 | 2015-11-18 | 浙江易锋机械有限公司 | The production method of automobile air conditioner compressor piston |
| CN103343474A (en) * | 2013-06-25 | 2013-10-09 | 宝钢轧辊科技有限责任公司 | Calendaring roller shell and manufacturing method thereof |
| CN103343474B (en) * | 2013-06-25 | 2015-11-11 | 宝钢轧辊科技有限责任公司 | Felt wrapped roll roller shell and manufacture method thereof |
| CN105834672A (en) * | 2016-04-26 | 2016-08-10 | 苏州昭沃五金科技有限公司 | Machining process for spline shell |
| CN107350736A (en) * | 2016-05-09 | 2017-11-17 | 南京晨伟机械设备制造有限公司 | A kind of manufacturing process of high intensity stopper ring for plunger pump |
| CN107350731A (en) * | 2016-05-09 | 2017-11-17 | 南京晨伟机械设备制造有限公司 | A kind of processing technology of high intensity plunger pump bonnet |
| CN107350730A (en) * | 2016-05-09 | 2017-11-17 | 南京晨伟机械设备制造有限公司 | A kind of processing technology of valve seat |
| CN107597871A (en) * | 2016-07-08 | 2018-01-19 | Hytc株式会社 | Extrusion die preparation method and extrusion die lapping device |
| CN106319340A (en) * | 2016-08-31 | 2017-01-11 | 赖世权 | Processing method for spring steel |
| CN106282828B (en) * | 2016-08-31 | 2017-12-01 | 宁波瑞国精机工业有限公司 | Hollow pillar |
| CN106282828A (en) * | 2016-08-31 | 2017-01-04 | 宁波瑞国精机工业有限公司 | Hollow pillar |
| CN107641684A (en) * | 2017-09-30 | 2018-01-30 | 徐州翔凯重工科技有限公司 | A kind of processing technology of spline housing |
| CN113337691A (en) * | 2020-03-02 | 2021-09-03 | 中车戚墅堰机车车辆工艺研究所有限公司 | Method for reducing heat treatment deformation of carburized and quenched part |
| CN111676361A (en) * | 2020-07-20 | 2020-09-18 | 安徽省巢湖市共力链条有限公司 | Heat treatment process for high-strength corrosion-resistant chain |
| CN112264674A (en) * | 2020-09-29 | 2021-01-26 | 上海派尼科技实业股份有限公司 | Manufacturing method of blind hole internal spline |
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Application publication date: 20120704 |