CN102248101A - Whole forging near net forming process for inner ball cage sliding sleeve - Google Patents
Whole forging near net forming process for inner ball cage sliding sleeve Download PDFInfo
- Publication number
- CN102248101A CN102248101A CN2011101603591A CN201110160359A CN102248101A CN 102248101 A CN102248101 A CN 102248101A CN 2011101603591 A CN2011101603591 A CN 2011101603591A CN 201110160359 A CN201110160359 A CN 201110160359A CN 102248101 A CN102248101 A CN 102248101A
- Authority
- CN
- China
- Prior art keywords
- forging stock
- tube portion
- forging
- sliding sleeve
- diameter
- 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.)
- Pending
Links
Landscapes
- Forging (AREA)
Abstract
The invention provides a whole forging near net forming process for an inner ball cage sliding sleeve, comprising the following steps of: blanking, machining to prepare a blank, shot blasting, surface coating, rod part forward extruding, barrel part upsetting, barrel part reverse extruding, spheroidizing and annealing, phosphorus saponifying and barrel part finishing and forming. The inner ball cage sliding sleeve manufactured by adopting the process provided by the invention has the advantages of uniform structure, high density, strength and hardness, small size error, no follow-up machining, high processing efficiency, short production period, material conservation and high practical value.
Description
Technical field
The invention belongs to metal material near-net forming field, be specifically related to a kind of internal spherical cage sliding sleeve solid forging near-net forming technology.
Background technology
Constant velocity cardan joint is that the axle that two axis do not overlap is coupled together, and make the mechanism of diaxon with unequal angular velocity transmission campaign, it is the vitals in the car drivetrain system, its effect is the driving wheel that the power of engine is delivered to automobile from speed changer (differential mechanism), satisfy the requirement of car transmission shaft outer end corner, and the power of engine passed to wheel steadily, reliably, beating of the inner suspension of compensation car drives car and runs at high speed; Constant velocity cardan joint mainly is made up of internal spherical cage, ectosphere cage, semiaxis, the internal spherical cage sliding sleeve is as key part in the internal spherical cage, play glenoid effect in transmission, directly determine the pendulum angle of universal joint, each car needs two internal spherical cage sliding sleeves at least, be installed on the both sides of drive, the tradition processing mode is a process for machining, and working (machining) efficiency is low, and the production cycle is long, waste of material is serious, therefore is necessary to improve.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, a kind of even structure is provided, density, intensity and hardness height, the internal spherical cage sliding sleeve solid forging near-net forming technology that scale error is little.
The technical solution used in the present invention: internal spherical cage sliding sleeve solid forging near-net forming technology, form by following step:
1) blanking, getting the round steel bar stock saw cutting is former material base;
2) blank is made in machined, and former material base surface scale is removed in machined;
3) ball blast adds an amount of grit in steel sand, fully the hacking blank surface forms pit;
4) face coat with blank heating to 220 ℃-270 ℃, according to the ratio preparation graphite emulsion of the graphite and the ratio 1:20 of emulsion weight, is put into blank the graphite emulsion then and is soaked after 1 minute and take out;
5) bar portion is just crowded, just forces down mould with putting into after the blank heating to 800 ℃-840 ℃, uses the upper punch extrusion billet, and forward extrusion bar portion is configured as forging stock;
6) tube portion jumping-up will be possessed the just crowded back forging stock of 750 ℃-800 ℃ of Yu Wen and put into the jumping-up counterdie, adopt the upper punch extruding forging stock consistent with die topography under the jumping-up, during the tube portion profile of in counterdie, upsetting in advance, and while control lever portion's diameter and length dimension;
7) tube portion instead squeezes, will possess the jumping-up of 700 ℃-750 ℃ of Yu Wen after forging stock put into the anti-mould of forcing down, patrix is the drift than the monolateral big 0.3mm of finished cylinder portion cavity shape, after forging stock is stressed, rightabout stream material along drift moves encases drift fully, and launches counter forcing down in the model cavity;
8) spheroidizing is instead squeezed back forging stock heating-up temperature to 720 ℃-740 ℃ with tube portion, be incubated 3-4 hour, and the air cooling of coming out of the stove after being cooled to be less than or equal to 500 ℃ with stove is controlled annealing hardness at 70-85HRB;
9) phospholeum processing, it is 50-60 ℃ that forging stock after the spheroidizing is put into temperature earlier, in the sulfuric acid of concentration 10-20% pickling 5-10 minute, clear water rinsing 1-2 minute; Putting into temperature again is 70-80 ℃, in the phosphate solution of concentration 45-55% phosphatization 10-15 minute, and clear water rinsing 1-2 minute; Putting into temperature at last is 80-95 ℃, in the saponification liquor of concentration 1.5-2.5% saponification 8-10 minute;
10) finishing of tube portion is shaped, and the forging stock tube portion inner chamber after the phospholeum processing is put on the trimming punch, adopts die cavity than the monolateral upper cavity die that dwindles 0.1mm of finished product forging stock profile, downwards diameter reducing extrusion tube portion profile.
Above-mentioned steps one, former material base weight is greater than 10% of finished product forging stock weight; Above-mentioned steps two, billet weight is greater than finished product forging stock weight 6%.
Above-mentioned steps three, steel sand diameter are 0.8mm, and the grit diameter is 1mm.
Above-mentioned steps five is used the upper punch extrusion billet, when forward extrusion bar portion is configured as forging stock, control lever portion diameter and length dimension, diameter than jumping-up after the little 0.2-0.4mm of forging stock, length than jumping-up after the short 4-6mm of forging stock.
Above-mentioned steps six is monolateral shape of evenly dwindling 0.3mm with pre-rammer of tube portion water jacket shape, the pre-tube portion profile of upsetting in counterdie, and control lever portion diameter and length dimension, diameter instead squeezes the little 0.2-0.4mm in back than tube portion, and length is instead squeezed the short 1-2mm in back than tube portion.
Above-mentioned steps seven, after forging stock is stressed, expect along the rightabout stream that drift moves, encase drift fully, and launch counter forcing down in the model cavity, the anti-model cavity of forcing down is than the monolateral amplification 2.5mm of finished product forging stock profile, and the application cylinder portion inner chamber degree of depth is greater than 70% of the finished product forging stock degree of depth, bar portion diameter is a finished size, and length also is finished size.
The present invention's advantage compared with prior art:
1, internal spherical cage sliding sleeve solid forging near-net forming, follow-up without the machined moulding;
2, adopt the positioning and guiding cover on the warm forging mould structure, the axiality and the wall thickness of raceway die cavity and water jacket die cavity are poor in guaranteeing;
3, interior raceway instead squeezes drift and repaiies type, is convenient to the inner chamber moulding abundance after the finishing.
The specific embodiment
A kind of embodiment of the present invention is described below.
The internal spherical cage sliding sleeve of solid forging near-net forming, form by tubular and bar portion two parts, cylindrical portion need not follow-up machining, directly forge water jacket and interior raceway die cavity, bar portion obtains by the extruding elongation, leave a spot of machine-finish allowance, the material more than a times is saved in the contrast machined, and efficient improves 30 times.
Internal spherical cage sliding sleeve solid forging near-net forming technology, at first process is made in cold warm forging according to three-dimensional simulation moulding software simulation, design molding and getting the raw materials ready, the present embodiment processing step is:
1, the round steel bar stock saw cutting is got in blanking, and former material base weight is greater than 10% of finished product forging stock weight after the blanking;
2, blank is made in machined, and former material base surface scale is removed in machined, and guarantees that billet weight is greater than finished product forging stock weight 6%;
3, ball blast, the purpose of ball blast are to increase the adsorption capacity of blank surface to coating agent, can select the grit of an amount of 1mm of adding in the steel sand of diameter 0.8mm for use, and fully the hacking blank surface forms pit, can adsorb more coating agent when face coat;
4, face coat, blank surface absorbent coating agent (water-based graphite emulsion MD2), for pushing to flow, blank provides good lubricating in die cavity, reduce flow resistance and protect mould, prevent the mould plucking, can be during coating with blank heating to 220 ℃-270 ℃, preferred 250 ℃, according to the ratio preparation graphite emulsion of graphite, then blank is put into the graphite emulsion and soaked taking-up after 1 minute with the ratio 1:20 of emulsion weight;
5, bar portion is just crowded, control lever portion diameter and length dimension, the little 0.2-0.4mm of diameter after bar portion diameter ratio is pre-upset, the short 4-6mm of diameter conveniently put into portion's heading die fully with bar portion after bar minister degree ratio was pre-upset, before just squeezing, bar portion needs just to force down mould with putting into after the blank heating to 800 ℃-840 ℃, use the upper punch extrusion billet, forward extrusion bar portion is configured as forging stock, in extrusion process, at any time check that blank has or not plucking, so that mould is just being forced down in reparation in time;
6, tube portion jumping-up, must be instead to squeeze consistent monolateral shape of evenly dwindling 0.3mm with pre-rammer of tube portion water jacket shape with tube portion, blowing is forced down in the mould in anti-when being convenient to a portion and instead squeezing, to possess the back forging stock that just squeezes of 750 ℃-800 ℃ of Yu Wen and put into the jumping-up counterdie, adopt the upper punch extruding forging stock consistent with die topography under the jumping-up, the pre-tube portion profile of upsetting in counterdie, control lever portion diameter and length dimension, bar portion diameter instead squeezes the little 0.2-0.4mm of back diameter than tube portion, bar minister degree instead squeezes the short 1-2mm of back length than tube portion, conveniently bar portion is put into the anti-extruding mold of a portion fully, check that at any time forging stock has or not plucking, in time repair the counterdie of pre-upsetting;
7, tube portion instead squeezes, forging stock is put into the anti-mould of forcing down after will possessing the jumping-up of 700 ℃-750 ℃ of Yu Wen, patrix is the drift than the monolateral big 0.3mm of finished cylinder portion cavity shape, because during finishing forging stock inner chamber, the place not enough in distortion can produce hickie (vestige that is not expressed to), can when anti-squeezing, the correction of the flank shape of drift correspondence position arrive finished size, after forging stock is stressed, expect along the rightabout stream that drift moves, encase drift fully, and launch counter forcing down in the model cavity, the anti-model cavity of forcing down is than the monolateral amplification 2.5mm of finished product profile, and the application cylinder portion inner chamber degree of depth is greater than 70% of the finished product degree of depth, bar portion diameter is a finished size, the size that length also requires for finished product checks that at any time forging stock has or not plucking, in time anti-mould or the drift forced down of reparation;
8, spheroidizing is instead squeezed back forging stock heating-up temperature to 720 ℃-740 ℃ with tube portion, be incubated 3-4 hour, and the air cooling of coming out of the stove after being cooled to be less than or equal to 500 ℃ with stove is controlled annealing hardness 70-85HRB;
9, phospholeum processing, it is 50-60 ℃ that forging stock after the spheroidizing is put into temperature earlier, in the sulfuric acid of concentration 10-20% pickling 5-10 minute, clear water rinsing 1-2 minute; Putting into temperature again is 70-80 ℃, in the phosphate solution of concentration 45-55% phosphatization 10-15 minute, and clear water rinsing 1-2 minute; Putting into temperature at last is 80-95 ℃, in the saponification liquor of concentration 1.5-2.5% saponification 8-10 minute;
10, the finishing of tube portion is shaped, forging stock tube portion inner chamber after the phospholeum processing is put on the trimming punch, adopt die cavity than the monolateral upper cavity die that dwindles 0.1mm of finished product profile, downward diameter reducing extrusion tube portion profile, tube portion elongates the size of finished product requirement, the forging stock appearance and size size of finished product requirement that just rebounds after the depanning, surface of internal cavity extends friction on trimming punch, because the roughness of trimming punch is through polishing, roughness is very good less than Ra0.05, can squeeze out the smooth inner chamber of roughness, check that at any time forging stock has or not plucking, in time repair drift and tube reducing upper cavity die less than Ra0.8.
The measure of specifically taking in the implementation process has:
1, for preventing that inner chamber and profile from producing axiality and the wall thickness mistake is poor, when tube portion instead squeezed, drift top processed the targeting part consistent with the counterdie die cavity, guaranteed that the guide pushes backward, guaranteed that inside and outside die cavity axiality and wall thickness are poor;
2, anti-crowded drift is the drift than the monolateral big 0.3mm of finished cylinder portion cavity shape, because tube portion finishing forging stock inner chamber can produce hickie (vestige that is not expressed to) in the not enough place of distortion, actually add man-hour, drift in the middle of interior raceway near the correction of the flank shape of inner cylinder position to finished size;
3, the special elasticity three-pawl type of tube portion finishing material-supporting device makes things convenient for the forging stock material returned after the finishing.
The product technology parameter:
Material selection is generally high duty alloy carbon steel such as 20CrMnTi, 20CrMnTiH, 40Cr, 55#, CF53;
Bar portion hardness is 160-240HB;
Tube portion hardness reaches 180-260HB;
Dense internal organization, grain size is more than 6 grades;
Metal streamline is symmetrically distributed continuously along axis.
Interior raceway equal indicative error ± 3 °
Roughness≤Ra0.8
The foregoing description is preferred embodiment of the present invention, is not to be used for limiting the scope of the present invention, so all equivalences of being done with the described content of claim of the present invention change, all should be included within the claim scope of the present invention.
Claims (6)
1. internal spherical cage sliding sleeve solid forging near-net forming technology is characterized in that being made up of following step:
1) blanking, getting the round steel bar stock saw cutting is former material base;
2) blank is made in machined, and former material base surface scale is removed in machined;
3) ball blast adds an amount of grit in steel sand, fully the hacking blank surface forms pit;
4) face coat with blank heating to 220 ℃-270 ℃, according to the ratio preparation graphite emulsion of the graphite and the ratio 1:20 of emulsion weight, is put into blank the graphite emulsion then and is soaked after 1 minute and take out;
5) bar portion is just crowded, just forces down mould with putting into after the blank heating to 800 ℃-840 ℃, uses the upper punch extrusion billet, and forward extrusion bar portion is configured as forging stock;
6) tube portion jumping-up will be possessed the just crowded back forging stock of 750 ℃-800 ℃ of Yu Wen and put into the jumping-up counterdie, adopt the upper punch extruding forging stock consistent with die topography under the jumping-up, during the tube portion profile of in counterdie, upsetting in advance, and while control lever portion's diameter and length dimension;
7) tube portion instead squeezes, will possess the jumping-up of 700 ℃-750 ℃ of Yu Wen after forging stock put into the anti-mould of forcing down, patrix is the drift than the monolateral big 0.3mm of finished cylinder portion cavity shape, after forging stock is stressed, rightabout stream material along drift moves encases drift fully, and launches counter forcing down in the model cavity;
8) spheroidizing is instead squeezed back forging stock heating-up temperature to 720 ℃-740 ℃ with tube portion, be incubated 3-4 hour, and the air cooling of coming out of the stove after being cooled to be less than or equal to 500 ℃ with stove is controlled annealing hardness at 70-85HRB;
9) phospholeum processing, it is 50-60 ℃ that forging stock after the spheroidizing is put into temperature earlier, in the sulfuric acid of concentration 10-20% pickling 5-10 minute, clear water rinsing 1-2 minute; Putting into temperature again is 70-80 ℃, in the phosphate solution of concentration 45-55% phosphatization 10-15 minute, and clear water rinsing 1-2 minute; Putting into temperature at last is 80-95 ℃, in the saponification liquor of concentration 1.5-2.5% saponification 8-10 minute;
10) finishing of tube portion is shaped, and the forging stock tube portion inner chamber after the phospholeum processing is put on the trimming punch, adopts die cavity than the monolateral upper cavity die that dwindles 0.1mm of finished product forging stock profile, downwards diameter reducing extrusion tube portion profile.
2. internal spherical cage sliding sleeve solid forging near-net forming technology according to claim 1 is characterized in that: above-mentioned steps one, and former material base weight is greater than 10% of finished product forging stock weight; Above-mentioned steps two, billet weight is greater than finished product forging stock weight 6%.
3. internal spherical cage sliding sleeve solid forging near-net forming technology according to claim 1, it is characterized in that: above-mentioned steps three, steel sand diameter are 0.8mm, the grit diameter is 1mm.
4. internal spherical cage sliding sleeve solid forging near-net forming technology according to claim 1, it is characterized in that: above-mentioned steps five, use the upper punch extrusion billet, when forward extrusion bar portion is configured as forging stock, control lever portion diameter and length dimension, diameter than jumping-up after the little 0.2-0.4mm of forging stock, length than jumping-up after the short 4-6mm of forging stock.
5. internal spherical cage sliding sleeve solid forging near-net forming technology according to claim 1, it is characterized in that: above-mentioned steps six, the pre-rammer of tube portion water jacket shape is monolateral shape of evenly dwindling 0.3mm, the pre-tube portion profile of upsetting in counterdie, control lever portion diameter and length dimension, diameter instead squeezes the little 0.2-0.4mm in back than tube portion, and length is instead squeezed the short 1-2mm in back than tube portion.
6. internal spherical cage sliding sleeve solid forging near-net forming technology according to claim 1, it is characterized in that: above-mentioned steps seven, after forging stock is stressed, rightabout stream material along drift moves encases drift fully, and launches counter forcing down in the model cavity, the anti-model cavity of forcing down is than the monolateral amplification 2.5mm of finished product forging stock profile, the application cylinder portion inner chamber degree of depth is greater than 70% of the finished product forging stock degree of depth, and bar portion diameter is a finished size, and length also is finished size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101603591A CN102248101A (en) | 2011-06-15 | 2011-06-15 | Whole forging near net forming process for inner ball cage sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101603591A CN102248101A (en) | 2011-06-15 | 2011-06-15 | Whole forging near net forming process for inner ball cage sliding sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102248101A true CN102248101A (en) | 2011-11-23 |
Family
ID=44975876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101603591A Pending CN102248101A (en) | 2011-06-15 | 2011-06-15 | Whole forging near net forming process for inner ball cage sliding sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102248101A (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909309A (en) * | 2012-10-17 | 2013-02-06 | 盐城理研精密锻造有限公司 | Universal joint forging method and shaping mould |
| CN103715836A (en) * | 2012-10-01 | 2014-04-09 | 江苏威鹰机械有限公司 | Temperature-cooling composite plastic molding process of engineering machinery oil-pump stator blank |
| CN103707017A (en) * | 2012-10-01 | 2014-04-09 | 江苏威鹰机械有限公司 | Automatically continuously variable transmission (CVT) V-shaped belt pulley axle finish-forging and plastic- molding process |
| CN103722066A (en) * | 2012-10-14 | 2014-04-16 | 江苏威鹰机械有限公司 | Method for finishing cylindrical shell of three-ball-groove constant velocity universal joint and finishing male die of cylindrical shell |
| CN104001852A (en) * | 2014-05-13 | 2014-08-27 | 盐城理研精密锻造有限公司 | Besides-star wheel warm piece forging process and upsetting die |
| CN104014605A (en) * | 2014-05-13 | 2014-09-03 | 盐城理研精密锻造有限公司 | Equilateral three-jaw flange sliding sleeve inversion reverse extrusion technology and inversion reverse extrusion mould |
| CN104741879A (en) * | 2015-04-10 | 2015-07-01 | 江苏大洋精锻有限公司 | Processing technology of precision forging sliding sleeve |
| CN105689611A (en) * | 2016-03-06 | 2016-06-22 | 江苏海宇机械有限公司 | Machining technology for single-end spline shaft sleeve |
| CN105798560A (en) * | 2016-04-27 | 2016-07-27 | 江苏海宇机械有限公司 | Integral forging technique for blind hole flange type cardan joint |
| CN105945519A (en) * | 2016-05-24 | 2016-09-21 | 江苏创汽车零部件有限公司 | Cold forging forming technology of hollow pipe output shaft |
| CN106112417A (en) * | 2016-07-24 | 2016-11-16 | 盐城中德精锻股份有限公司 | Exempt to weld major axis inner constant velocity universal joint precision forging Forging Technology |
| CN107030452A (en) * | 2017-05-09 | 2017-08-11 | 江苏创精锻有限公司 | A kind of automobile long handle sliding sleeve moulding process |
| CN107716839A (en) * | 2017-07-17 | 2018-02-23 | 江苏海宇机械有限公司 | A kind of end face is the processing method of the universal joint fine forge piece of R arcs |
| CN106881439B (en) * | 2017-02-28 | 2018-06-19 | 二重（德阳）重型装备有限公司 | The manufacturing method of ball transition irregular barrel forging |
| CN108655313A (en) * | 2018-04-12 | 2018-10-16 | 江苏海宇机械有限公司 | A kind of duplex forging forming technology introducing laser impact intensified internal spherical cage |
| CN109058310A (en) * | 2018-07-26 | 2018-12-21 | 江苏威鹰机械有限公司 | Automobile gimbal out star wheel and its manufacturing process and cold-finishing mold |
| CN109604978A (en) * | 2018-12-05 | 2019-04-12 | 盐城昱祺机械制造有限公司 | It is a kind of to solve the big processing method of the high scattered error of out star wheel soccer star |
| CN111347004A (en) * | 2020-04-01 | 2020-06-30 | 台州万特汽车零部件有限公司 | Cold extrusion pressing forming process for automobile universal joint fork integral piece |
| CN111496157A (en) * | 2020-05-06 | 2020-08-07 | 台州兴隆传动股份有限公司 | Cold extrusion pressing forming process of automobile universal joint fork |
| CN112171179A (en) * | 2019-07-04 | 2021-01-05 | 江苏创一精锻有限公司 | Forging process of long rod sliding sleeve |
| CN117689902A (en) * | 2024-01-31 | 2024-03-12 | 台州航泰航空科技有限公司 | Forging processing technology of ball cage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121849A (en) * | 1994-10-25 | 1996-05-08 | 江苏森威集团股份有限公司 | Precision forging process for outer sleeve blank of constant velocity universal joint of automobile |
| WO2007034776A1 (en) * | 2005-09-22 | 2007-03-29 | Ntn Corporation | Sliding-type constant velocity universal joint |
| CN101332488A (en) * | 2008-08-01 | 2008-12-31 | 上海东芙冷锻制造有限公司 | Cold-forging technique of gear shaft |
| CN101550969A (en) * | 2008-04-03 | 2009-10-07 | 江苏威鹰机械有限公司 | Automobile constant velocity cardan joint transmission shaft inner sliding sleeve finish forging pot shell and production process thereof |
| CN102019542A (en) * | 2010-11-08 | 2011-04-20 | 大丰市中德精锻件有限公司 | Processing process of profiled blind hole flange type inner ball cage fine forging piece |
-
2011
- 2011-06-15 CN CN2011101603591A patent/CN102248101A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121849A (en) * | 1994-10-25 | 1996-05-08 | 江苏森威集团股份有限公司 | Precision forging process for outer sleeve blank of constant velocity universal joint of automobile |
| WO2007034776A1 (en) * | 2005-09-22 | 2007-03-29 | Ntn Corporation | Sliding-type constant velocity universal joint |
| CN101550969A (en) * | 2008-04-03 | 2009-10-07 | 江苏威鹰机械有限公司 | Automobile constant velocity cardan joint transmission shaft inner sliding sleeve finish forging pot shell and production process thereof |
| CN101332488A (en) * | 2008-08-01 | 2008-12-31 | 上海东芙冷锻制造有限公司 | Cold-forging technique of gear shaft |
| CN102019542A (en) * | 2010-11-08 | 2011-04-20 | 大丰市中德精锻件有限公司 | Processing process of profiled blind hole flange type inner ball cage fine forging piece |
Non-Patent Citations (2)
| Title |
|---|
| 徐祥龙: "冷温锻技术在汽车行业中的应用", 《金属加工(热加工)》 * |
| 徐祥龙: "等速万向节内球笼外套的精密成形技术开发", 《机械工人(热加工)》 * |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715836A (en) * | 2012-10-01 | 2014-04-09 | 江苏威鹰机械有限公司 | Temperature-cooling composite plastic molding process of engineering machinery oil-pump stator blank |
| CN103707017A (en) * | 2012-10-01 | 2014-04-09 | 江苏威鹰机械有限公司 | Automatically continuously variable transmission (CVT) V-shaped belt pulley axle finish-forging and plastic- molding process |
| CN103707017B (en) * | 2012-10-01 | 2016-04-20 | 江苏威鹰机械有限公司 | CVT automatic gear-box V-type belt wheel axle finish forge plastic forming technique |
| CN103722066A (en) * | 2012-10-14 | 2014-04-16 | 江苏威鹰机械有限公司 | Method for finishing cylindrical shell of three-ball-groove constant velocity universal joint and finishing male die of cylindrical shell |
| CN103722066B (en) * | 2012-10-14 | 2016-04-13 | 江苏威鹰机械有限公司 | Three alley constant velocity cardan joint cylinder outer race finishing manufacturing process and finishing punch thereof |
| CN102909309A (en) * | 2012-10-17 | 2013-02-06 | 盐城理研精密锻造有限公司 | Universal joint forging method and shaping mould |
| CN102909309B (en) * | 2012-10-17 | 2015-09-02 | 盐城理研精密锻造有限公司 | Universal joint forging method and shaping mould |
| CN104001852A (en) * | 2014-05-13 | 2014-08-27 | 盐城理研精密锻造有限公司 | Besides-star wheel warm piece forging process and upsetting die |
| CN104014605A (en) * | 2014-05-13 | 2014-09-03 | 盐城理研精密锻造有限公司 | Equilateral three-jaw flange sliding sleeve inversion reverse extrusion technology and inversion reverse extrusion mould |
| CN104014605B (en) * | 2014-05-13 | 2016-06-15 | 盐城理研精密锻造有限公司 | The equilateral reverse anti-extruding process of three-jaw flange sliding sleeve and reverse anti-extruding mold |
| CN104741879A (en) * | 2015-04-10 | 2015-07-01 | 江苏大洋精锻有限公司 | Processing technology of precision forging sliding sleeve |
| CN105689611A (en) * | 2016-03-06 | 2016-06-22 | 江苏海宇机械有限公司 | Machining technology for single-end spline shaft sleeve |
| CN105798560A (en) * | 2016-04-27 | 2016-07-27 | 江苏海宇机械有限公司 | Integral forging technique for blind hole flange type cardan joint |
| CN105945519A (en) * | 2016-05-24 | 2016-09-21 | 江苏创汽车零部件有限公司 | Cold forging forming technology of hollow pipe output shaft |
| CN106112417A (en) * | 2016-07-24 | 2016-11-16 | 盐城中德精锻股份有限公司 | Exempt to weld major axis inner constant velocity universal joint precision forging Forging Technology |
| CN106881439B (en) * | 2017-02-28 | 2018-06-19 | 二重（德阳）重型装备有限公司 | The manufacturing method of ball transition irregular barrel forging |
| CN107030452B (en) * | 2017-05-09 | 2019-03-22 | 江苏创一精锻有限公司 | A kind of automobile long handle sliding sleeve moulding process |
| CN107030452A (en) * | 2017-05-09 | 2017-08-11 | 江苏创精锻有限公司 | A kind of automobile long handle sliding sleeve moulding process |
| CN107716839A (en) * | 2017-07-17 | 2018-02-23 | 江苏海宇机械有限公司 | A kind of end face is the processing method of the universal joint fine forge piece of R arcs |
| CN108655313B (en) * | 2018-04-12 | 2019-11-08 | 江苏海宇机械有限公司 | A kind of duplex forging forming technology introducing laser impact intensified internal spherical cage |
| CN108655313A (en) * | 2018-04-12 | 2018-10-16 | 江苏海宇机械有限公司 | A kind of duplex forging forming technology introducing laser impact intensified internal spherical cage |
| CN109058310A (en) * | 2018-07-26 | 2018-12-21 | 江苏威鹰机械有限公司 | Automobile gimbal out star wheel and its manufacturing process and cold-finishing mold |
| CN109604978A (en) * | 2018-12-05 | 2019-04-12 | 盐城昱祺机械制造有限公司 | It is a kind of to solve the big processing method of the high scattered error of out star wheel soccer star |
| CN112171179A (en) * | 2019-07-04 | 2021-01-05 | 江苏创一精锻有限公司 | Forging process of long rod sliding sleeve |
| CN111347004A (en) * | 2020-04-01 | 2020-06-30 | 台州万特汽车零部件有限公司 | Cold extrusion pressing forming process for automobile universal joint fork integral piece |
| CN111496157A (en) * | 2020-05-06 | 2020-08-07 | 台州兴隆传动股份有限公司 | Cold extrusion pressing forming process of automobile universal joint fork |
| CN117689902A (en) * | 2024-01-31 | 2024-03-12 | 台州航泰航空科技有限公司 | Forging processing technology of ball cage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102248101A (en) | Whole forging near net forming process for inner ball cage sliding sleeve | |
| CN103350346B (en) | Power takeoff driving shaft cold closed-die forging plastic forming technique | |
| CN105127345B (en) | Production method of saloon car transmission combination gear ring | |
| CN101579800B (en) | Warm/cold forging process for precision forgings with integrated long shafts and inner ball cages | |
| CN102861861A (en) | Precision-forging plastic molding technology of bell shell of ball-cage type universal joint | |
| CN101342566A (en) | Integral cold forging process for bevel gear shaft | |
| CN102189373B (en) | Integral forging near net shaping process for triple gear block, and prepared gear shaft | |
| CN102019335B (en) | Cold forging processing method of hardened and tempered structural steel | |
| CN110091138A (en) | A kind of novel hollow production method of shaft | |
| CN107414009B (en) | Waveform combustion chamber forging steel piston head heat, cold forging near-net-shape technique | |
| CN102527900B (en) | Precision forging die of gear shaft and molding method of precision forging die | |
| CN103464991A (en) | Gear ring machining process | |
| CN104148574B (en) | The cam bit manufacture method of a kind of accurate cold forging forming | |
| CN106112417A (en) | Exempt to weld major axis inner constant velocity universal joint precision forging Forging Technology | |
| CN110961515A (en) | Titanium alloy thin-wall cylinder forming method | |
| CN104439955B (en) | Two-sided combination gear manufacturing process | |
| CN102248373B (en) | Method for manufacturing air condition compressor balance block | |
| CN111037243A (en) | Manufacturing method of parking gear of gearbox | |
| CN101913066A (en) | Method for manufacturing driven transmission gear of automobile automatic gearbox | |
| CN102909309B (en) | Universal joint forging method and shaping mould | |
| CN102861848A (en) | Cold-forging molded concave die of bell shell of ball-cage type universal joint | |
| CN112058936A (en) | Cold extrusion molding process of bevel gear | |
| CN105108454A (en) | Engine piston pin processing technology | |
| CN103722066B (en) | Three alley constant velocity cardan joint cylinder outer race finishing manufacturing process and finishing punch thereof | |
| CN106077252B (en) | The forming method and its mold of iron-base superalloy thin-walled curved pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111123 |