CN104625653A - Machining method for speed changer suspension assembly - Google Patents
Machining method for speed changer suspension assembly Download PDFInfo
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- CN104625653A CN104625653A CN201510071421.8A CN201510071421A CN104625653A CN 104625653 A CN104625653 A CN 104625653A CN 201510071421 A CN201510071421 A CN 201510071421A CN 104625653 A CN104625653 A CN 104625653A
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- sheet material
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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
Abstract
A machining method for a speed changer suspension assembly comprises the following steps: I, manufacturing parts of the speed changer suspension assembly according to regulations, namely a transverse beam, a rear supporting frame and a connection device; II, assembling: fixing the parts by using screws, wherein the torque of the screws is 35+-/-3N.M; and III, storing. The speed changer suspension assembly machined by the method has a light whole weight; the structure stress is stable, cracks are not easy to form and the occupied space is small.
Description
Technical field
The present invention relates to automobile, particularly a kind of processing method of transmission suspension assembly.
Background technology
Transmission suspension assembly integral weight of the prior art is large, and structure stress does not steadily easily occur crackle, takes up room large.
Summary of the invention
The invention provides a kind of processing method of transmission suspension assembly, have employed the mode of the shaping and split type connection of plate stamping, solve the problems referred to above.
The processing method of transmission suspension assembly provided by the present invention comprises the following steps: I. and make the part of transmission suspension assembly according to the rules, comprise crossbeam, rear support stand and jockey; II. assembling, adopt screw to be installed by above-mentioned part fixing, the moment of torsion of described screw is 35 ± 3N.m; III. warehouse-in.
Further, the making of crossbeam described in step I also comprises the steps: A). prepare the upper casing of described engine rear cross beam, lower casing and stiffener; B). welding, is welded on described stiffener on described upper casing, by described upper casing and the welding of described lower casing; C). electrophoresis, by previous step to product carry out electrophoretic process, guarantee that the product after electrophoresis is no more than 2mm at salt spray test 120 hours one-sided rust creepages.
Further, steps A) described in the lower casing of engine rear cross beam also comprise following preparation process: a1. cuts material, raw material plate is put into the sheet material that plate shearing machine cuts out the wide 690mm of long 1380mm, and its medial error is 1mm; B1. blanking, puts into blanking die by sheet material obtained in the previous step, adopts the hydraulic press of 315T to carry out blanking; C1. shaping, sheet material obtained in the previous step is put into shaping mould, adopts the hydraulic press of 315T to carry out shaping; D1. punching, puts into perforating die by sheet material obtained in the previous step, adopts the forcing press of 100T to carry out punching; E1. deburring, sheet material steps d 1 obtained uses sander process, deburring.
Further, steps A) described in the upper casing of engine rear cross beam also comprise following preparation process: a2. cuts material, raw material plate is put into the sheet material that plate shearing machine cuts out the wide 695mm of long 1380mm, and its medial error is 1mm; B2. blanking, puts into blanking die by sheet material obtained in the previous step, adopts the hydraulic press of 315T to carry out blanking; C2. shaping, sheet material obtained in the previous step is put into shaping mould, adopts the hydraulic press of 315T to carry out shaping; D2. punching, puts into perforating die by sheet material obtained in the previous step, adopts the forcing press of 100T to carry out punching; E2. welded nut, sheet material steps d 1 obtained uses electric welding machine, protection welding machine and soldering set to carry out welded nut at punching position; F2. deburring, sheet material steps d 1 obtained uses sander process, deburring.
Further, the making of rear support stand described in step I also comprises the steps: A. blanking, and length is 1500mm, width is the flitch of 375 ± 1mm to adopt plate shearing machine to be cut into by raw material plate; B. blanking, flitch steps A obtained is contained in blanking die, carries out die-cut; C. shaping one, the flitch obtained by step B is contained in shaping mould one, adopts the punch forming of 100T hydraulic press; D. shaping two, the flitch obtained by step C is contained in shaping mould two, adopts the punch forming of 315T forcing press; E. shaping, the flitch obtained by step D is contained in sizing die, adopts 100T forcing press integer; F. punching, is contained in perforating die by flitch obtained in the previous step, adopts the punching of 100T forcing press; G. welded nut, by the nut-welding of regulation model to assigned address; H. deburring, with sander by clean for the burr process of product surface; I. electrophoresis, after electrophoresis product salt spray test after 120 hours one-sided rust creepage be no more than 2 millimeters.
The invention has the beneficial effects as follows: overall weight is light, structure stress is steady, is not easy to occur crackle, takes up room little.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is described.
The processing method of transmission suspension assembly provided by the present invention comprises the following steps: I. and make the part of transmission suspension assembly according to the rules, comprise crossbeam, rear support stand and jockey; II. assembling, adopt screw to be installed by above-mentioned part fixing, the moment of torsion of described screw is 35 ± 3N.m; III. warehouse-in.
Further, the making of crossbeam described in step I also comprises the steps: A). prepare the upper casing of described engine rear cross beam, lower casing and stiffener; Steps A) described in the lower casing of engine rear cross beam also comprise following preparation process: a1. cuts material, raw material plate is put into the sheet material that plate shearing machine cuts out the wide 690mm of long 1380mm, and its medial error is 1mm; B1. blanking, puts into blanking die by sheet material obtained in the previous step, adopts the hydraulic press of 315T to carry out blanking; C1. shaping, sheet material obtained in the previous step is put into shaping mould, adopts the hydraulic press of 315T to carry out shaping; D1. punching, puts into perforating die by sheet material obtained in the previous step, adopts the forcing press of 100T to carry out punching; E1. deburring, sheet material steps d 1 obtained uses sander process, deburring; Steps A) described in the upper casing of engine rear cross beam also comprise following preparation process: a2. cuts material, raw material plate is put into the sheet material that plate shearing machine cuts out the wide 695mm of long 1380mm, and its medial error is 1mm; B2. blanking, puts into blanking die by sheet material obtained in the previous step, adopts the hydraulic press of 315T to carry out blanking; C2. shaping, sheet material obtained in the previous step is put into shaping mould, adopts the hydraulic press of 315T to carry out shaping; D2. punching, puts into perforating die by sheet material obtained in the previous step, adopts the forcing press of 100T to carry out punching; E2. welded nut, sheet material steps d 1 obtained uses electric welding machine, protection welding machine and soldering set to carry out welded nut at punching position; F2. deburring, sheet material steps d 1 obtained uses sander process, deburring; Steps A) described in the stiffener of engine rear cross beam also comprise following preparation process: a3. cuts material, raw material plate is put into plate shearing machine and cuts out suitable sheet material by regulation; B3. blanking, puts into blanking die by sheet material obtained in the previous step, adopts the forcing press of 63T to carry out blanking; C3. punching, puts into perforating die by sheet material obtained in the previous step, adopts the forcing press of 63T to carry out punching; B). welding, is welded on described stiffener on described upper casing, by described upper casing and the welding of described lower casing; C). electrophoresis, by previous step to product carry out electrophoretic process, guarantee that the product after electrophoresis is no more than 2mm at salt spray test 120 hours one-sided rust creepages.
Further, the making of rear support stand described in step I also comprises the steps: A. blanking, and length is 1500mm, width is the flitch of 375 ± 1mm to adopt plate shearing machine to be cut into by raw material plate; B. blanking, flitch steps A obtained is contained in blanking die, carries out die-cut; C. shaping one, the flitch obtained by step B is contained in shaping mould one, adopts the punch forming of 100T hydraulic press; D. shaping two, the flitch obtained by step C is contained in shaping mould two, adopts the punch forming of 315T forcing press; E. shaping, the flitch obtained by step D is contained in sizing die, adopts 100T forcing press integer; F. punching, is contained in perforating die by flitch obtained in the previous step, adopts the punching of 100T forcing press; G. welded nut, by the nut-welding of regulation model to assigned address; H. deburring, with sander by clean for the burr process of product surface; I. electrophoresis, after electrophoresis product salt spray test after 120 hours one-sided rust creepage be no more than 2 millimeters.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (5)
1. a processing method for transmission suspension assembly, is characterized in that: the method comprises the following steps: I. makes the part of transmission suspension assembly according to the rules, comprises crossbeam, rear support stand and jockey; II. assembling, adopt screw to be installed by above-mentioned part fixing, the moment of torsion of described screw is 35 ± 3N.m; III. warehouse-in.
2. the processing method of transmission suspension assembly according to claim 1, is characterized in that: the making of crossbeam described in step I also comprises the steps: A). prepare the upper casing of described engine rear cross beam, lower casing and stiffener; B). welding, is welded on described stiffener on described upper casing, by described upper casing and the welding of described lower casing; C). electrophoresis, by previous step to product carry out electrophoretic process, guarantee that the product after electrophoresis is no more than 2mm at salt spray test 120 hours one-sided rust creepages.
3. the processing method of transmission suspension assembly according to claim 2, it is characterized in that: steps A) described in the lower casing of engine rear cross beam also comprise following preparation process: a1. cuts material, raw material plate is put into the sheet material that plate shearing machine cuts out the wide 690mm of long 1380mm, its medial error is 1mm; B1. blanking, puts into blanking die by sheet material obtained in the previous step, adopts the hydraulic press of 315T to carry out blanking; C1. shaping, sheet material obtained in the previous step is put into shaping mould, adopts the hydraulic press of 315T to carry out shaping; D1. punching, puts into perforating die by sheet material obtained in the previous step, adopts the forcing press of 100T to carry out punching; E1. deburring, sheet material steps d 1 obtained uses sander process, deburring.
4. the processing method of transmission suspension assembly according to claim 2, it is characterized in that: steps A) described in the upper casing of engine rear cross beam also comprise following preparation process: a2. cuts material, raw material plate is put into the sheet material that plate shearing machine cuts out the wide 695mm of long 1380mm, its medial error is 1mm; B2. blanking, puts into blanking die by sheet material obtained in the previous step, adopts the hydraulic press of 315T to carry out blanking; C2. shaping, sheet material obtained in the previous step is put into shaping mould, adopts the hydraulic press of 315T to carry out shaping; D2. punching, puts into perforating die by sheet material obtained in the previous step, adopts the forcing press of 100T to carry out punching; E2. welded nut, sheet material steps d 1 obtained uses electric welding machine, protection welding machine and soldering set to carry out welded nut at punching position; F2. deburring, sheet material steps d 1 obtained uses sander process, deburring.
5. according to the processing method of any described transmission suspension assembly of Claims 1-4, it is characterized in that: the making of rear support stand described in step I also comprises the steps: A. blanking, length is 1500mm, width is the flitch of 375 ± 1mm to adopt plate shearing machine to be cut into by raw material plate; B. blanking, flitch steps A obtained is contained in blanking die, carries out die-cut; C. shaping one, the flitch obtained by step B is contained in shaping mould one, adopts the punch forming of 100T hydraulic press; D. shaping two, the flitch obtained by step C is contained in shaping mould two, adopts the punch forming of 315T forcing press; E. shaping, the flitch obtained by step D is contained in sizing die, adopts 100T forcing press integer; F. punching, is contained in perforating die by flitch obtained in the previous step, adopts the punching of 100T forcing press; G. welded nut, by the nut-welding of regulation model to assigned address; H. deburring, with sander by clean for the burr process of product surface; I. electrophoresis, after electrophoresis product salt spray test after 120 hours one-sided rust creepage be no more than 2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071421.8A CN104625653A (en) | 2015-02-11 | 2015-02-11 | Machining method for speed changer suspension assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071421.8A CN104625653A (en) | 2015-02-11 | 2015-02-11 | Machining method for speed changer suspension assembly |
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| CN104625653A true CN104625653A (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510071421.8A Pending CN104625653A (en) | 2015-02-11 | 2015-02-11 | Machining method for speed changer suspension assembly |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001180297A (en) * | 1999-12-28 | 2001-07-03 | Nissan Diesel Motor Co Ltd | Engine mounting bracket |
| CN201619444U (en) * | 2009-12-31 | 2010-11-03 | 长城汽车股份有限公司 | Suspension mechanism of automobile speed changer |
| CN202806371U (en) * | 2012-07-13 | 2013-03-20 | 北汽福田汽车股份有限公司 | Gearbox suspension device, gearbox assembly, engine assembly and automobile |
| CN103009985A (en) * | 2012-12-10 | 2013-04-03 | 柳州市金元机械制造有限公司 | Automobile engine mounting bracket and manufacture method thereof |
| CN203199028U (en) * | 2013-04-03 | 2013-09-18 | 北京汽车股份有限公司 | Sub-frame rear cross beam structure of automobile and automobile |
| CN203611723U (en) * | 2013-12-19 | 2014-05-28 | 东风柳州汽车有限公司 | Automobile power assembly suspension device |
| CN203739979U (en) * | 2014-03-07 | 2014-07-30 | 奇瑞汽车股份有限公司 | Front cross beam of electric vehicle |
| CN203832560U (en) * | 2014-03-31 | 2014-09-17 | 北京汽车股份有限公司 | Rear cross beam and car |
| CN203864800U (en) * | 2014-05-14 | 2014-10-08 | 安徽华菱汽车有限公司 | Truck, frame and cross beam assembly of truck |
-
2015
- 2015-02-11 CN CN201510071421.8A patent/CN104625653A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001180297A (en) * | 1999-12-28 | 2001-07-03 | Nissan Diesel Motor Co Ltd | Engine mounting bracket |
| CN201619444U (en) * | 2009-12-31 | 2010-11-03 | 长城汽车股份有限公司 | Suspension mechanism of automobile speed changer |
| CN202806371U (en) * | 2012-07-13 | 2013-03-20 | 北汽福田汽车股份有限公司 | Gearbox suspension device, gearbox assembly, engine assembly and automobile |
| CN103009985A (en) * | 2012-12-10 | 2013-04-03 | 柳州市金元机械制造有限公司 | Automobile engine mounting bracket and manufacture method thereof |
| CN203199028U (en) * | 2013-04-03 | 2013-09-18 | 北京汽车股份有限公司 | Sub-frame rear cross beam structure of automobile and automobile |
| CN203611723U (en) * | 2013-12-19 | 2014-05-28 | 东风柳州汽车有限公司 | Automobile power assembly suspension device |
| CN203739979U (en) * | 2014-03-07 | 2014-07-30 | 奇瑞汽车股份有限公司 | Front cross beam of electric vehicle |
| CN203832560U (en) * | 2014-03-31 | 2014-09-17 | 北京汽车股份有限公司 | Rear cross beam and car |
| CN203864800U (en) * | 2014-05-14 | 2014-10-08 | 安徽华菱汽车有限公司 | Truck, frame and cross beam assembly of truck |
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| Title |
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| 中国锻压协会: "《汽车冲压件制造技术》", 30 November 2013, 机械工业出版社 * |
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Application publication date: 20150520 |