CN104708278A - Engine rear cross beam machining method - Google Patents
Engine rear cross beam machining method Download PDFInfo
- Publication number
- CN104708278A CN104708278A CN201510071409.7A CN201510071409A CN104708278A CN 104708278 A CN104708278 A CN 104708278A CN 201510071409 A CN201510071409 A CN 201510071409A CN 104708278 A CN104708278 A CN 104708278A
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- China
- Prior art keywords
- cross beam
- rear cross
- sheet material
- carry out
- steps
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- 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.)
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Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention relates to the field of automobiles, in particular to an engine rear cross beam machining method. The method comprises the steps that A, an upper shell, a lower shell and a reinforcing plate of an engine rear cross beam are manufactured; B, the reinforcing plate is welded to the upper shell, and the upper shell and the lower shell are welded together; C, a product obtained in the last step is subjected to electrophoresis treatment, and it is guaranteed that the extension range of single-side corrosion of the product subjected to electrophoresis treatment in a 120-hour salt fog test does not exceed 2 mm. The engine rear cross beam is in split type connection, is of a hollow structure and is low in weight, reasonable in structure stress and capable of bearing large force.
Description
Technical field
The present invention relates to automotive field, particularly a kind of processing method of engine rear cross beam.
Background technology
Traditional engine rear beam structure is simple, but quality is large, and structure stress is unreasonable, and the power that can bear is less.
Summary of the invention
The invention provides a kind of processing method of engine rear cross beam, the mode of split type connection, solve conventional engines rear cross beam quality large, and structure stress is unreasonable, the problem that the power that can bear is less.
The processing method of engine rear cross beam provided by the present invention comprises the following steps: A. prepares the upper casing of described engine rear cross beam, lower casing and stiffener; The upper casing of the rear cross beam of engine described in steps A also comprises 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; The lower casing of the rear cross beam of engine described in steps A also comprises 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; The stiffener of the rear cross beam of engine described in steps A also comprises 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. weld, described stiffener is welded 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.
The invention has the beneficial effects as follows: adopt split type connection, hollow structure, quality is light, and structure stress is reasonable, can bear larger power.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is described.
The processing method of engine rear cross beam provided by the present invention comprises the following steps: A. prepares the upper casing of described engine rear cross beam, lower casing and stiffener; The upper casing of the rear cross beam of engine described in steps A also comprises 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; The lower casing of the rear cross beam of engine described in steps A also comprises 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; The stiffener of the rear cross beam of engine described in steps A also comprises 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. weld, described stiffener is welded 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.
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 (7)
1. a processing method for engine rear cross beam, is characterized in that, the method comprises the following steps: A. prepares the upper casing of described engine rear cross beam, lower casing and stiffener; B. weld, described stiffener is welded 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.
2. according to the processing method of any described engine rear cross beam of claim 1, it is characterized in that: the upper casing of the rear cross beam of engine described in steps A also comprises 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.
3. the processing method of engine rear cross beam according to claim 2; it is characterized in that: further comprising the steps of after the preparation process d2 of the upper casing of described engine rear cross beam: 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.
4. the processing method of engine rear cross beam according to claim 3, is characterized in that: further comprising the steps of after the preparation process e2 of the upper casing of described engine rear cross beam: f2. deburring, and sheet material steps d 1 obtained uses sander process, deburring.
5. according to the processing method of any described engine rear cross beam of Claims 1-4, it is characterized in that: the lower casing of the rear cross beam of engine described in steps A also comprises 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.
6. the processing method of engine rear cross beam according to claim 5, is characterized in that: further comprising the steps of after the preparation process d1 of the lower casing of described engine rear cross beam: e1. deburring, and sheet material steps d 1 obtained uses sander process, deburring.
7. the processing method of engine rear cross beam according to claim 6, is characterized in that: the stiffener of the rear cross beam of engine described in steps A also comprises 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071409.7A CN104708278A (en) | 2015-02-11 | 2015-02-11 | Engine rear cross beam machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071409.7A CN104708278A (en) | 2015-02-11 | 2015-02-11 | Engine rear cross beam machining method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104708278A true CN104708278A (en) | 2015-06-17 |
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ID=53408274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510071409.7A Pending CN104708278A (en) | 2015-02-11 | 2015-02-11 | Engine rear cross beam machining method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104708278A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690507A (en) * | 2015-02-11 | 2015-06-10 | 柳州市金元机械制造有限公司 | Processing method for rear cross beam of engine |
| CN107598495A (en) * | 2017-09-29 | 2018-01-19 | 鞍钢重型机械有限责任公司 | A kind of processing method of combined moving beam |
| CN108942104A (en) * | 2018-08-03 | 2018-12-07 | 中国重汽集团济南动力有限公司 | A kind of process for machining of heavy motor truck casting beam |
-
2015
- 2015-02-11 CN CN201510071409.7A patent/CN104708278A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690507A (en) * | 2015-02-11 | 2015-06-10 | 柳州市金元机械制造有限公司 | Processing method for rear cross beam of engine |
| CN107598495A (en) * | 2017-09-29 | 2018-01-19 | 鞍钢重型机械有限责任公司 | A kind of processing method of combined moving beam |
| CN107598495B (en) * | 2017-09-29 | 2019-01-11 | 鞍钢重型机械有限责任公司 | A kind of processing method of combined moving beam |
| CN108942104A (en) * | 2018-08-03 | 2018-12-07 | 中国重汽集团济南动力有限公司 | A kind of process for machining of heavy motor truck casting beam |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150617 |