CN107186450A - Automobile CVT automatic transmission planet carrier board manufacturing process - Google Patents
Automobile CVT automatic transmission planet carrier board manufacturing process Download PDFInfo
- Publication number
- CN107186450A CN107186450A CN201710472098.4A CN201710472098A CN107186450A CN 107186450 A CN107186450 A CN 107186450A CN 201710472098 A CN201710472098 A CN 201710472098A CN 107186450 A CN107186450 A CN 107186450A
- Authority
- CN
- China
- Prior art keywords
- circular slab
- blank
- manufacturing process
- planet carrier
- forging
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 title claims abstract description 10
- 238000005242 forging Methods 0.000 claims abstract description 26
- 238000001125 extrusion Methods 0.000 claims abstract description 18
- 238000010273 cold forging Methods 0.000 claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000137 annealing Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000969 carrier Substances 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- 230000003647 oxidation Effects 0.000 claims abstract description 4
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 4
- 238000000641 cold extrusion Methods 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 238000003754 machining Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 238000005422 blasting Methods 0.000 claims description 6
- 230000007547 defect Effects 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010862 gear shaping Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- -1 and cost is high Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 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
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of automobile CVT automatic transmission planet carriers board manufacturing process, comprise the following steps：1. blanking；2. base before warm forging；3. ball blast；4. warm forging extrusion molding：By blank heating to 210 DEG C of ± 20 DEG C of coating graphite, then proceed to be heated to 820 DEG C 860 DEG C, first jumping-up extruding, again backward extrusion, form circular slab and are formed in circular slab circumferential edges to the vertically extending quoit in side, be then punched the centre bore of circular slab；5. residual heat annealing；6. base, ball blast after warm forging；7. lubricated；8. cold forging extrusion molding external tooth：The blank that lubricated is finished is put into cavity plate, and cold extrusion forms external toothing；9. nitrogen treatment：The 0.3mm of surface the efficient oxidation layer depth 0.007.Rationally, metal stream is not cut off the manufacturing process technology route, and product Gear Surface Strength is high, saves raw material, production efficiency high.
Description
Technical field
The invention belongs to forging and molding technical field, and in particular to a kind of CVT automatic transmission planet carriers board Wen Lengfu
Close forging and squeeze forming technology.
Background technology
Planet carrier board is that fixed and gearing is acted as in automatic gearbox, and bottom plate end face is connected with planet carrier,
External tooth plays gearing, general at present to be swaged into gear blank using hot forging process and then carried out using general cutting technology
Gear Shaping is produced, and weak point is that machining production efficiency is low, is suitable only for single-piece or small lot production application, its
Secondary is to shape the flank of tooth using cutting technology, although can be easily formed batch production, still, Gear Shaping equipment investment
Greatly, low production efficiency, wastes raw material, and cost is high, and metal streamline is cut off, and Gear Surface Strength is low, tooth easily occurs and damages and hang not
The phenomenon performed.
The content of the invention
The present invention is extruded into shape for prior art weak point there is provided a kind of cold compound forging of temperature, then a small amount of machining
Planet carrier board technique is manufactured, rationally, metal stream is not cut off the manufacturing process technology route, and product Gear Surface Strength is high, is saved
Raw material, production efficiency are high.
The present invention is achieved by the following technical solution：
Automobile CVT automatic transmission planet carrier board manufacturing process, described automatic gearbox planet carrier board bag
Include circular slab and positioned at circular slab circumferential edges to the vertically extending external toothing in side, centre bore is provided with circular slab；It is made
Technique is made to comprise the following steps：1. blanking：The metal bar of respective diameters is selected by the requirement of product design figure, it is long needed for interception
Degree；2. base before warm forging：Peeling chamfering removes surface defect；3. ball blast：Blank is put into blasting treatment in crawler type shot-blasting machine；
4. warm forging extrusion molding：By blank heating to 210 DEG C of ± 20 DEG C of coating graphite, then proceed to be heated to 820 DEG C -860 DEG C, first upsetting
Thick extruding, again backward extrusion, form circular slab and are formed in circular slab circumferential edges to the vertically extending quoit in side,
Then it is punched the centre bore of circular slab；5. residual heat annealing：Blank is immediately fed into annealing furnace progress waste heat and moved back after warm forging extrusion molding
Fire；6. base, ball blast after warm forging；7. lubricated：Blank surface, which is removed, carries out surface lubrication processing after oxide, be that cold forging is squeezed
Shape external tooth and lubricating condition is provided；8. cold forging extrusion molding external tooth：The blank that lubricated is finished is put into cavity plate, cold extrusion
Form external toothing；9. nitrogen treatment：Surface the efficient oxidation layer depth 0.007-0.3mm.
It is provided with planet carrier bracket holes, gear hole and positioning hole on described circular slab, described planet carrier bracket holes, tooth
Wheel bore and positioning hole are formed by machining, and its machining step is arranged on before nitridation process step.
The present invention squeezes manufacturing process using the cold compound forging of temperature, mainly shapes the cylindrical shape base with bottom by warm forging
Material, then carries out cold forging extrusion molding external tooth, then carries out a small amount of machining, and the manufacturing process technology route is reasonable, metal stream
It is not cut off, product Gear Surface Strength is high, saves raw material, production efficiency high.
The present invention has the advantages that compared with prior art：
1st, the present invention is due to warm forging, jumping-up, backward extrusion, bottom centre's punching and cold forging extrusion forming external tooth
Single-station substep is carried out, and the mould carrying pressure configured is small, and press tonnage is equally small, so as to reduce the throwing of forging equipment
Enter.
2nd, the present invention due to manufacturing process route rationally, blank shape needed for warm forging extrusion molding before this, then cold forging squeeze
Disposable shaping external tooth, is all to be completed in forcing press moment, then carries out a small amount of machining, all compare per procedure
Convenient, production efficiency is high, and cost is low.
3rd, of the invention squeezed due to the cold compound forging of temperature disposably shapes external tooth, and metal streamline is not destroyed, and uniformity is good, matter
Amount is stable, and tooth accuracy is good, and intensity index is high, disclosure satisfy that the Technology design of automatic gearbox pinion frame board will
Ask.
Brief description of the drawings
Fig. 1 is the structural representation of automatic gearbox planet carrier board in the embodiment of the present invention；
Fig. 2 is Fig. 1 left views；
Fig. 3 is blank deformation process chart of the embodiment of the present invention.
Sequence number in figure：1st, circular slab, 2, external toothing, 3, centre bore, 4, planet carrier bracket holes, 5, gear hole, 6, positioning hole.
Embodiment
Technical scheme is described in further detail below by embodiment and with reference to accompanying drawing.
Embodiment：Shown in Figure 1, a kind of automobile CVT automatic transmission planet carriers board includes circular slab 1 and positioned at circle
Shape plate circumferential edges are provided with centre bore 3, planet carrier bracket holes 4, gear to the vertically extending external toothing 2 in side on circular slab 1
Hole 5 and positioning hole 6.Shown in Figure 2, automobile CVT automatic transmission planet carrier board manufacturing process comprises the following steps：One
It is blanking：20# rod iron materials are selected, according to forging stock size, length needed for being intercepted with circular saw；Two be base before warm forging：Lathe
Process peeling and remove blank surface defect；Three be ball blast：Blank is placed outside blasting treatment in Caterpillar type shot blasting machine, reduction blank
Surface roughness Ra value, improves adhesive force for next step outer surface coating graphite and provides condition；Four be warm forging extrusion molding：By base
Material is heated to 210 DEG C of ± 20 DEG C of applying liquid aquadags, then proceedes to be heated to 820 DEG C -860 DEG C, first jumping-up is extruded, instead squeezed again
Pressing formation, forms circular slab 1 and is formed in circular slab circumferential edges to the vertically extending quoit in side, is then punched circular
The centre bore 3 of plate；Five be residual heat annealing：Blank places residual heat annealing stove and carries out residual heat annealing processing immediately after warm forging is extruded,
Annealing need not be reheated again；Six be base after warm forging：General Vehicle Processing is carried out by figure；Seven be ball blast：Surface is carried out
Shot Blasting, reduces roughness Ra value；Eight be lubricated：Blank surface is removed after oxide, is lubricated using Liquid polymeric
Agent is lubricated processing to outer surface, and being extruded into shape external tooth for cold forging provides lubricating condition；Nine be cold forging extrusion molding external tooth：Will profit
The sliding blank being disposed is put into cavity plate, and the disposable cold forging extrusion molding quoit external tooth on normal temperature condition forms external tooth
Circle 2, the flank of tooth after formation need not machining again；Ten be machining：Machinery is carried out by layout design technical requirements to cut
Processing is cut, planet carrier bracket holes 4, gear hole 5 and positioning hole 6 is formed；11 be nitrogen treatment：Planetary gear after machining
Frame board carries out nitrogen treatment, and surface the efficient oxidation layer depth 0.007-0.3mm improves product strength.
Embodiment does not constitute the limit to the scope of the present invention only to facilitate understand technical scheme
System, it is every without departing from any letter perhaps made in technical solution of the present invention according to the technical spirit of the present invention to above scheme
Single modification, equivalent variations and modification, still fall within the scope of the present invention.
Claims (2)
1. automobile CVT automatic transmission planet carrier board manufacturing process, described automobile CVT automatic transmission planet carrier board bags
Include circular slab (1) and positioned at circular slab circumferential edges to the vertically extending external toothing in side (2), circular slab (1) on be provided with centre bore
⑶；Its manufacturing process comprises the following steps：1. blanking：The metal bar of respective diameters, interception are selected by the requirement of product design figure
Required length；2. base before warm forging：Peeling chamfering removes surface defect；3. ball blast：Blank is put into crawler type shot-blasting machine and sprayed
Sand processing；4. warm forging extrusion molding：By blank heating to 210 DEG C of ± 20 DEG C of coating graphite, then proceed to be heated to 820 DEG C -860
DEG C, first jumping-up extruding, again backward extrusion form circular slab and form vertically extending to side in circular slab circumferential edges
(3) quoit, be then punched the centre bore of circular slab；5. residual heat annealing：Blank is immediately fed into annealing furnace and entered after warm forging extrusion molding
Row residual heat annealing；6. base, ball blast after warm forging；7. lubricated：Blank surface, which is removed, carries out surface lubrication processing after oxide,
It is extruded into shape external tooth for cold forging and lubricating condition is provided；8. cold forging extrusion molding external tooth：The blank that lubricated is finished is put into cavity plate
In, (2) cold extrusion forms external toothing；9. nitrogen treatment：Surface the efficient oxidation layer depth 0.007-0.3mm.
2. automobile CVT automatic transmission planet carriers board manufacturing process according to claim 1, it is characterised in that：It is described
Circular slab (1) on be provided with planet carrier bracket holes (4), gear hole (5) with positioning hole (6), described planet carrier bracket holes (4), gear
(6) (5) hole formed with positioning hole by machining, and its machining step is arranged on before nitridation process step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472098.4A CN107186450B (en) | 2017-06-20 | 2017-06-20 | Automobile CVT automatic transmission planet carrier board manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472098.4A CN107186450B (en) | 2017-06-20 | 2017-06-20 | Automobile CVT automatic transmission planet carrier board manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107186450A true CN107186450A (en) | 2017-09-22 |
| CN107186450B CN107186450B (en) | 2019-02-01 |
Family
ID=59879285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710472098.4A Active CN107186450B (en) | 2017-06-20 | 2017-06-20 | Automobile CVT automatic transmission planet carrier board manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107186450B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108124400A (en) * | 2017-12-17 | 2018-06-05 | 江苏威鹰机械有限公司 | New-energy automobile electric-control system bearing plate and its manufacturing process |
| CN108127356A (en) * | 2017-12-17 | 2018-06-08 | 江苏威鹰机械有限公司 | Auto gearbox 7DCT ratchets and its manufacturing process |
| CN108161373A (en) * | 2018-02-08 | 2018-06-15 | 江苏威鹰机械有限公司 | A kind of automatic gearbox of vehicles tooth set and its manufacturing process |
| CN109433985A (en) * | 2018-11-01 | 2019-03-08 | 郑州机械研究所有限公司 | A kind of multidirectional numerical control linked precise forming process of speed changer planet carrier |
| CN110695629A (en) * | 2019-11-22 | 2020-01-17 | 安徽一飞重工有限公司 | Forming processing method of vehicle body frame |
| CN112958737A (en) * | 2021-03-23 | 2021-06-15 | 江苏威鹰机械有限公司 | New energy car planet carrier forging and production process thereof |
| CN113941678A (en) * | 2020-07-15 | 2022-01-18 | 安徽弈华重工科技股份有限公司 | Forging process for warm forging and cold extrusion and die thereof |
| CN118513489A (en) * | 2024-07-19 | 2024-08-20 | 常州瑞德丰精密技术有限公司 | Forming method of square metal shell and power battery |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043021A (en) * | 1975-01-29 | 1977-08-23 | Zahnradfabrik Friedrichshafen Aktiengesellschaft | Process for making sheet-metal planet carrier |
| CN1405469A (en) * | 2001-09-13 | 2003-03-26 | 住友重机械工业株式会社 | Outer gear manufacture method |
| US6863636B2 (en) * | 2002-03-05 | 2005-03-08 | Metal Forming & Coining Corporation | Pinion carrier for planetary gear train and method of making same |
| CN101049666A (en) * | 2006-04-06 | 2007-10-10 | 通用汽车环球科技运作公司 | Method and apparatus for a carrier spider |
| CN102179669A (en) * | 2011-03-29 | 2011-09-14 | 天津天重车轴制造有限公司 | Process for forging planet carrier |
| JP2012122608A (en) * | 2010-11-18 | 2012-06-28 | Jatco Ltd | Carrier, and method for manufacturing the same |
| DE102012208796A1 (en) * | 2012-05-25 | 2013-11-28 | Schaeffler Technologies AG & Co. KG | Gear combination for drive train of motor vehicle, such as passenger car, has central part planetary carrier present between two outer part planetary carriers and has bent bar which plugs in hole of one of two outer part planetary carriers |
-
2017
- 2017-06-20 CN CN201710472098.4A patent/CN107186450B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043021A (en) * | 1975-01-29 | 1977-08-23 | Zahnradfabrik Friedrichshafen Aktiengesellschaft | Process for making sheet-metal planet carrier |
| CN1405469A (en) * | 2001-09-13 | 2003-03-26 | 住友重机械工业株式会社 | Outer gear manufacture method |
| US6863636B2 (en) * | 2002-03-05 | 2005-03-08 | Metal Forming & Coining Corporation | Pinion carrier for planetary gear train and method of making same |
| CN101049666A (en) * | 2006-04-06 | 2007-10-10 | 通用汽车环球科技运作公司 | Method and apparatus for a carrier spider |
| JP2012122608A (en) * | 2010-11-18 | 2012-06-28 | Jatco Ltd | Carrier, and method for manufacturing the same |
| CN102179669A (en) * | 2011-03-29 | 2011-09-14 | 天津天重车轴制造有限公司 | Process for forging planet carrier |
| DE102012208796A1 (en) * | 2012-05-25 | 2013-11-28 | Schaeffler Technologies AG & Co. KG | Gear combination for drive train of motor vehicle, such as passenger car, has central part planetary carrier present between two outer part planetary carriers and has bent bar which plugs in hole of one of two outer part planetary carriers |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108124400A (en) * | 2017-12-17 | 2018-06-05 | 江苏威鹰机械有限公司 | New-energy automobile electric-control system bearing plate and its manufacturing process |
| CN108127356A (en) * | 2017-12-17 | 2018-06-08 | 江苏威鹰机械有限公司 | Auto gearbox 7DCT ratchets and its manufacturing process |
| CN108161373A (en) * | 2018-02-08 | 2018-06-15 | 江苏威鹰机械有限公司 | A kind of automatic gearbox of vehicles tooth set and its manufacturing process |
| CN109433985A (en) * | 2018-11-01 | 2019-03-08 | 郑州机械研究所有限公司 | A kind of multidirectional numerical control linked precise forming process of speed changer planet carrier |
| CN109433985B (en) * | 2018-11-01 | 2020-04-21 | 郑州机械研究所有限公司 | A kind of multi-directional numerical control linkage precision forming technology of transmission planet carrier |
| CN110695629A (en) * | 2019-11-22 | 2020-01-17 | 安徽一飞重工有限公司 | Forming processing method of vehicle body frame |
| CN113941678A (en) * | 2020-07-15 | 2022-01-18 | 安徽弈华重工科技股份有限公司 | Forging process for warm forging and cold extrusion and die thereof |
| CN113941678B (en) * | 2020-07-15 | 2023-09-12 | 安徽弈华重工科技股份有限公司 | Forging process for hub sleeve warm forging and cold extrusion and die thereof |
| CN112958737A (en) * | 2021-03-23 | 2021-06-15 | 江苏威鹰机械有限公司 | New energy car planet carrier forging and production process thereof |
| CN118513489A (en) * | 2024-07-19 | 2024-08-20 | 常州瑞德丰精密技术有限公司 | Forming method of square metal shell and power battery |
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| Publication number | Publication date |
|---|---|
| CN107186450B (en) | 2019-02-01 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Manufacturing technology of planet carrier bearing plate for automobile CVT automatic transmission Effective date of registration: 20211228 Granted publication date: 20190201 Pledgee: Jiangsu Xinghua Rural Commercial Bank Co.,Ltd. Pledgor: JIANGSU WINNER MACHINERY Co.,Ltd. Registration number: Y2021320000424 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |