CN105798550A - Destressing treatment method for bimetallic oil distribution disc - Google Patents
Destressing treatment method for bimetallic oil distribution disc Download PDFInfo
- Publication number
- CN105798550A CN105798550A CN201610320678.7A CN201610320678A CN105798550A CN 105798550 A CN105798550 A CN 105798550A CN 201610320678 A CN201610320678 A CN 201610320678A CN 105798550 A CN105798550 A CN 105798550A
- Authority
- CN
- China
- Prior art keywords
- oil distribution
- distribution casing
- sheet material
- temperature furnace
- high temperature
- Prior art date
- 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.)
- Granted
Links
- 238000009826 distribution Methods 0.000 title claims abstract description 124
- 238000000034 method Methods 0.000 title claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 73
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 31
- 229910052802 copper Inorganic materials 0.000 claims description 31
- 239000010949 copper Substances 0.000 claims description 31
- 239000011265 semifinished product Substances 0.000 claims description 15
- 239000000047 product Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 10
- 230000000630 rising effect Effects 0.000 claims description 10
- 238000009499 grossing Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention relates to a destressing treatment method for a bimetallic oil distribution disc. The destressing treatment method is used for destressing treatment of a copper-steel combined oil distribution disc and comprises the following steps: first leveling a plate, then horizontally placing the plate in a high-temperature furnace, setting the maximum temperature of the high-temperature furnace at 260-280 DEG C, setting the heating rate at 0.35-0.4 DEG C/min, after reaching the maximum temperature, performing heat preservation for 4-6 h to perform first destressing treatment, performing punch forming to manufacture a semi-finished oil distribution disc product, 1-2 days later hanging the semi-finished oil distribution disc product in the high-temperature furnace to perform second destressing treatment, setting the maximum temperature of the high-temperature furnace at 250-270 DEG C, and performing heat preservation for 4-6 h. The preparation method provided by the invention is simple, and the steps are easy to operate; and the bimetallic oil distribution disc treated by the destressing treatment method can effectively solve the problem that the bimetallic oil distribution disc product is easily deformed during a processing, placing or high-pressure using process, and improves the service performance of a hydraulic pump.
Description
Technical field
The present invention relates to the destressing process method of a kind of bimetallic material oil distribution casing, belong to material processing technology field.
Background technology
The oil distribution casing part adopted in major part hydraulic pump is made up of the bimetallic material of flake structure, and thickness is 1.8-4mm, and external diameter is about about 90mm, and material is generally combined into by copper and steel bi-material.The oil distribution casing of this kind of structure is due to reasons such as the thermal coefficient of expansion difference of bi-material, thinner thicknesses, it is easily generated deformation in processing, use procedure or after placing a period of time, and oil distribution casing needs to bear the pressure of about 30Mpa in hydraulic pump works process, therefore even more serious in the deformation of use procedure generation.At present, existing processing method is to make oil distribution casing freely discharge stress to carry out Precision Machining again.Adopting this method, later stage deflection after overtesting can reach about 0.08, has a strong impact on the serviceability of hydraulic pump.
Summary of the invention
The invention aims to solve the oil distribution casing part made of bimetallic material and in use deform serious problem, provide a method that the destressing process method of simple bimetallic material oil distribution casing, bimetallic material oil distribution casing dimensional stability after process is better, precision is higher, is unlikely to deform.
The present invention adopts the following technical scheme that the destressing process method of a kind of bimetallic material oil distribution casing, comprises the steps:
(1) taking oil distribution casing sheet material and smooth, the one side of oil distribution casing sheet material is copper face, and another side is steel face；
(2) being horizontally placed in heat treatment charging basket by oil distribution casing sheet material, make the copper face of oil distribution casing sheet material upward, the steel of oil distribution casing sheet material faces down；
(3) being placed in high temperature furnace by the charging basket being placed with oil distribution casing sheet material, the maximum temperature arranging high temperature furnace is 260～280 DEG C, and the heating rate of high temperature furnace is 0.35～0.4 DEG C/min, is incubated 4～6h after rising to maximum temperature；
(4) insulation makes oil distribution casing sheet material naturally cool to room temperature after terminating, and then oil distribution casing sheet material is vertically hung placement；
(5) oil distribution casing sheet material carrying out punch forming oil distribution casing semi-finished product, keep oil distribution casing sheet material copper face upward in the course of processing, steel faces down；
(6), after punch forming completes 1～2 day, oil distribution casing semi-finished product are vertically hung in heat treatment charging basket；
(7) being hung with the half-finished heat treatment charging basket of oil distribution casing and be placed in high temperature furnace, the maximum temperature arranging high temperature furnace is 250～270 DEG C, and the heating rate of high temperature furnace is 0.35～0.4 DEG C/min, is incubated 2～4h after rising to maximum temperature；
(8) insulation adopts dual-end face grinder that oil distribution casing semi-finished product carry out polish molding and prepares oil distribution casing finished product after terminating.
Further, described step (8) overturns twice in polish forming process, and the half-finished steel of initial oil distribution casing faces down, upward, after first time upset, copper face is down, and steel faces up for copper face, after being then passed through second time upset, the half-finished steel of oil distribution casing faces down, and copper face is upward.
Further, described step (1) make the flatness of oil distribution casing sheet material less than 0.08mm after smoothing.
Further, in described step (8), flatness through the oil distribution casing finished product of polish molding is 0.005～0.01mm.
Preparation method of the present invention is simple, step is easily operated, bimetallic material oil distribution casing product is in processing, placement or the problem being easily deformed in high pressure use procedure, improves the serviceability of hydraulic pump to adopt the bimetallic material oil distribution casing that this kind of destressing process method processes can effectively solve the problem that.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment 1:
The destressing process method of a kind of bimetallic material oil distribution casing, comprises the steps:
(1) taking oil distribution casing sheet material and smooth, the one side of oil distribution casing sheet material is copper face, and another side is steel face, makes the flatness of oil distribution casing less than 0.08mm after smoothing；
(2) being horizontally placed in heat treatment charging basket by oil distribution casing sheet material, make the copper face of oil distribution casing sheet material upward, the steel of oil distribution casing sheet material faces down；
(3) being placed in high temperature furnace by the charging basket being placed with oil distribution casing sheet material, the maximum temperature arranging high temperature furnace is 260 DEG C, and the heating rate of high temperature furnace is 0.35 DEG C/min, is incubated 6h after rising to maximum temperature；
(4) insulation makes oil distribution casing sheet material naturally cool to room temperature after terminating, and then oil distribution casing sheet material is vertically hung placement；
(5) oil distribution casing sheet material carrying out punch forming oil distribution casing semi-finished product, keep oil distribution casing sheet material copper face upward in the course of processing, steel faces down；
(6), after punch forming completes 1 day, oil distribution casing semi-finished product are vertically hung in heat treatment charging basket；
(7) being hung with the half-finished heat treatment charging basket of oil distribution casing and be placed in high temperature furnace, the maximum temperature arranging high temperature furnace is 270 DEG C, and the heating rate of high temperature furnace is 0.4 DEG C/min, is incubated 2h after rising to maximum temperature；
(8) insulation adopts dual-end face grinder that oil distribution casing semi-finished product carry out polish molding and prepares oil distribution casing finished product after terminating, polish forming process overturns twice, the half-finished steel of initial oil distribution casing faces down, copper face is upward, after first time upset, copper face is down, and steel faces up, and after being then passed through second time upset, the half-finished steel of oil distribution casing faces down, upward, the flatness of the oil distribution casing finished product of polish molding is 0.005mm to copper face.
Embodiment 2:
The destressing process method of a kind of bimetallic material oil distribution casing, comprises the steps:
(1) taking oil distribution casing sheet material and smooth, the one side of oil distribution casing sheet material is copper face, and another side is steel face, makes the flatness of oil distribution casing less than 0.08mm after smoothing；
(2) being horizontally placed in heat treatment charging basket by oil distribution casing sheet material, make the copper face of oil distribution casing sheet material upward, the steel of oil distribution casing sheet material faces down；
(3) being placed in high temperature furnace by the charging basket being placed with oil distribution casing sheet material, the maximum temperature arranging high temperature furnace is 270 DEG C, and the heating rate of high temperature furnace is 0.4 DEG C/min, is incubated 5h after rising to maximum temperature；
(4) insulation makes oil distribution casing sheet material naturally cool to room temperature after terminating, and then oil distribution casing sheet material is vertically hung placement；
(5) oil distribution casing sheet material carrying out punch forming oil distribution casing semi-finished product, keep oil distribution casing sheet material copper face upward in the course of processing, steel faces down；
(6), after punch forming completes 2 days, oil distribution casing semi-finished product are vertically hung in heat treatment charging basket；
(7) being hung with the half-finished heat treatment charging basket of oil distribution casing and be placed in high temperature furnace, the maximum temperature arranging high temperature furnace is 260 DEG C, and the heating rate of high temperature furnace is 0.35 DEG C/min, is incubated 3h after rising to maximum temperature；
(8) insulation adopts dual-end face grinder that oil distribution casing semi-finished product carry out polish molding and prepares oil distribution casing finished product after terminating, polish forming process overturns twice, the half-finished steel of initial oil distribution casing faces down, copper face is upward, after first time upset, copper face is down, and steel faces up, and after being then passed through second time upset, the half-finished steel of oil distribution casing faces down, upward, the flatness of the oil distribution casing finished product of polish molding is 0.008mm to copper face.
Embodiment 3:
The destressing process method of a kind of bimetallic material oil distribution casing, comprises the steps:
(1) taking oil distribution casing sheet material and smooth, the one side of oil distribution casing sheet material is copper face, and another side is steel face, makes the flatness of oil distribution casing less than 0.08mm after smoothing；
(2) being horizontally placed in heat treatment charging basket by oil distribution casing sheet material, make the copper face of oil distribution casing sheet material upward, the steel of oil distribution casing sheet material faces down；
(3) being placed in high temperature furnace by the charging basket being placed with oil distribution casing sheet material, the maximum temperature arranging high temperature furnace is 280 DEG C, and the heating rate of high temperature furnace is 0.4 DEG C/min, is incubated 4h after rising to maximum temperature；
(4) insulation makes oil distribution casing sheet material naturally cool to room temperature after terminating, and then oil distribution casing sheet material is vertically hung placement；
(5) oil distribution casing sheet material carrying out punch forming oil distribution casing semi-finished product, keep oil distribution casing sheet material copper face upward in the course of processing, steel faces down；
(6), after punch forming completes 2 days, oil distribution casing semi-finished product are vertically hung in heat treatment charging basket；
(7) being hung with the half-finished heat treatment charging basket of oil distribution casing and be placed in high temperature furnace, the maximum temperature arranging high temperature furnace is 250 DEG C, and the heating rate of high temperature furnace is 0.35 DEG C/min, is incubated 2h after rising to maximum temperature；
(8) insulation adopts dual-end face grinder that oil distribution casing semi-finished product carry out polish molding and prepares oil distribution casing finished product after terminating, polish forming process overturns twice, the half-finished steel of initial oil distribution casing faces down, copper face is upward, after first time upset, copper face is down, and steel faces up, and after being then passed through second time upset, the half-finished steel of oil distribution casing faces down, upward, the flatness of the oil distribution casing finished product of polish molding is 0.01mm to copper face.
Beneficial effects of the present invention:
1, it is provided without the oil distribution casing that the destressing process method of the present invention processes to place deflection after three months and be about about 0.03-0.04, in loading hydraulic pump, after running-in, deflection is about 0.08-0.09, after bimetallic material oil distribution casing after adopting the destressing process method in the present invention to process is placed 3 months, flatness is held within 0.05-0.01, not deforming, dimensional stability is better；
2, adopting the oil distribution casing that the destressing process method of the present invention processes to load in hydraulic pump after running-in, flatness does not deform phenomenon, can bear higher pressure, and volumetric efficiency can promote about 8%, and durability promotes about 50H.
Claims (4)
1. the destressing process method of a bimetallic material oil distribution casing, it is characterised in that: comprise the steps:
(1) taking oil distribution casing sheet material and smooth, the one side of oil distribution casing sheet material is copper face, and another side is steel face；
(2) being horizontally placed in heat treatment charging basket by oil distribution casing sheet material, make the copper face of oil distribution casing sheet material upward, the steel of oil distribution casing sheet material faces down；
(3) being placed in high temperature furnace by the charging basket being placed with oil distribution casing sheet material, the maximum temperature arranging high temperature furnace is 260～280 DEG C, and the heating rate of high temperature furnace is 0.35～0.4 DEG C/min, is incubated 4～6h after rising to maximum temperature；
(4) insulation makes oil distribution casing sheet material naturally cool to room temperature after terminating, and then oil distribution casing sheet material is vertically hung placement；
(5) oil distribution casing sheet material carrying out punch forming oil distribution casing semi-finished product, keep oil distribution casing sheet material copper face upward in the course of processing, steel faces down；
(6), after punch forming completes 1～2 day, oil distribution casing semi-finished product are vertically hung in heat treatment charging basket；
(7) being hung with the half-finished heat treatment charging basket of oil distribution casing and be placed in high temperature furnace, the maximum temperature arranging high temperature furnace is 250～270 DEG C, and the heating rate of high temperature furnace is 0.35～0.4 DEG C/min, is incubated 2～4h after rising to maximum temperature；
(8) insulation adopts dual-end face grinder that oil distribution casing semi-finished product carry out polish molding and prepares oil distribution casing finished product after terminating.
2. the destressing process method of bimetallic material oil distribution casing as claimed in claim 1, it is characterized in that: described step (8) overturns twice in polish forming process, the half-finished steel of initial oil distribution casing faces down, copper face is upward, after first time upset, copper face is down, steel faces up, and after being then passed through second time upset, the half-finished steel of oil distribution casing faces down, and copper face is upward.
3. the destressing process method of bimetallic material oil distribution casing as claimed in claim 1, it is characterised in that: described step (1) make the flatness of oil distribution casing sheet material less than 0.08mm after smoothing.
4. the destressing process method of bimetallic material oil distribution casing as claimed in claim 1, it is characterised in that: in described step (8), the flatness through the oil distribution casing finished product of polish molding is 0.005～0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320678.7A CN105798550B (en) | 2016-05-16 | 2016-05-16 | A kind of destressing process method of bimetallic material oil distribution casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320678.7A CN105798550B (en) | 2016-05-16 | 2016-05-16 | A kind of destressing process method of bimetallic material oil distribution casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105798550A true CN105798550A (en) | 2016-07-27 |
| CN105798550B CN105798550B (en) | 2017-09-01 |
Family
ID=56456135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610320678.7A Active CN105798550B (en) | 2016-05-16 | 2016-05-16 | A kind of destressing process method of bimetallic material oil distribution casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105798550B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578358A (en) * | 2018-12-12 | 2019-04-05 | 无锡鹰贝精密轴承有限公司 | Bimetallic valve plate |
| CN109973171A (en) * | 2019-03-28 | 2019-07-05 | 东风汽车集团有限公司 | A kind of interior oil sump with bimetal leaf structure of controlling temperature |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58188532A (en) * | 1982-04-28 | 1983-11-04 | Nhk Spring Co Ltd | Manufacture of hollow stabilizer |
| CN101619719A (en) * | 2009-07-21 | 2010-01-06 | 康脉精机科技（嘉兴）有限公司 | Processing technic of oil distribution disc |
| KR20100104986A (en) * | 2009-03-20 | 2010-09-29 | 동일기계공업 주식회사 | Method for manufacturing a valve plate of compressor in the vehicle |
| CN101956763A (en) * | 2010-10-11 | 2011-01-26 | 陈友贵 | Process method of seamless sintering bimetallic lining |
| CN103785840A (en) * | 2012-10-29 | 2014-05-14 | 无锡荡口通和纺织机械厂 | Oil distribution disc powder metallurgy technology |
-
2016
- 2016-05-16 CN CN201610320678.7A patent/CN105798550B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58188532A (en) * | 1982-04-28 | 1983-11-04 | Nhk Spring Co Ltd | Manufacture of hollow stabilizer |
| KR20100104986A (en) * | 2009-03-20 | 2010-09-29 | 동일기계공업 주식회사 | Method for manufacturing a valve plate of compressor in the vehicle |
| CN101619719A (en) * | 2009-07-21 | 2010-01-06 | 康脉精机科技（嘉兴）有限公司 | Processing technic of oil distribution disc |
| CN101956763A (en) * | 2010-10-11 | 2011-01-26 | 陈友贵 | Process method of seamless sintering bimetallic lining |
| CN103785840A (en) * | 2012-10-29 | 2014-05-14 | 无锡荡口通和纺织机械厂 | Oil distribution disc powder metallurgy technology |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578358A (en) * | 2018-12-12 | 2019-04-05 | 无锡鹰贝精密轴承有限公司 | Bimetallic valve plate |
| CN109578358B (en) * | 2018-12-12 | 2023-12-26 | 无锡鹰贝精密液压有限公司 | Bimetal valve plate |
| CN109973171A (en) * | 2019-03-28 | 2019-07-05 | 东风汽车集团有限公司 | A kind of interior oil sump with bimetal leaf structure of controlling temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105798550B (en) | 2017-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102861788B (en) | Hot shaping method of large-specification titanium plate | |
| CN101773979B (en) | Heating device suitable for dynamic isothermal forging mold | |
| CN103173597B (en) | Method for improving optional performances of large H13 steel hot-extrusion mould | |
| CN205653337U (en) | Hot bending glass processing equipment | |
| CN103381441A (en) | Hot stamping formation processing method for thin-walled titanium alloy sealing head | |
| CN101278801A (en) | Press-casting multi-bottom pan and press-casting forming manufacturing process | |
| CN105798550A (en) | Destressing treatment method for bimetallic oil distribution disc | |
| CN102756029A (en) | Hot-press forming method of rear axle half shell of automobile | |
| CN205687792U (en) | A kind of spherical forming device for toughened glass of hyperboloid | |
| CN101116935B (en) | Valve collet producing technology | |
| JP2009113059A (en) | Method and apparatus for forming prismatic container made of ferritic stainless steel, and prismatic container | |
| JP2009113058A (en) | Method of and apparatus for forming prismatic container made of austenitic stainless steel, and prismatic container | |
| CN105364429A (en) | Manufacturing method of thick-walled two-phase stainless steel gland | |
| CN103357865B (en) | A kind of enhancing mixes titanium powder metallurgical material and preparation method thereof | |
| CN105344841A (en) | Heating shaping method | |
| CN108218198A (en) | A kind of mobile phone bend glass screen system of processing and processing method | |
| CN102989857A (en) | Forming method of sheet metal | |
| CN205343916U (en) | Die holder heating device for screw press | |
| CN103071690B (en) | Cold and hot extrusion molding method of rotary thick-walled shell part for vehicle | |
| CN103042093B (en) | Thick-wall shell metal piece forming method | |
| CN207452177U (en) | A kind of heat treatment deformation correction fixture of aluminium silicon carbide product | |
| CN104439999B (en) | The manufacture method of mould on a kind of high abrasion hammer die forging | |
| CN104889695B (en) | A kind of process of large-scale composite material curved surface frock destressing | |
| KR20170069561A (en) | Device for Multi forming | |
| CN101476097B (en) | Process for manufacturing high precision titanium starting sheet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 202, Chengnan Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Weifu Precision Machinery Manufacturing Co.,Ltd. Country or region after: China Address before: No. 202 Chengnan Road, New District, Wuxi City, Jiangsu Province, 214028 Patentee before: Wuxi Weifu Precision Machinery Manufacturing Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |