CN103537595A - Novel technology for forging spline shaft of transmission shaft - Google Patents
Novel technology for forging spline shaft of transmission shaft Download PDFInfo
- Publication number
- CN103537595A CN103537595A CN201310501610.5A CN201310501610A CN103537595A CN 103537595 A CN103537595 A CN 103537595A CN 201310501610 A CN201310501610 A CN 201310501610A CN 103537595 A CN103537595 A CN 103537595A
- Authority
- CN
- China
- Prior art keywords
- forging
- die
- finish
- cavity
- blocking
- 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
Images
Landscapes
- Forging (AREA)
Abstract
The invention relates to a novel technology for forging a spline shaft of a transmission shaft. The novel technology includes following steps: (1), blanking; (2), medium-frequency heating; (3), pre-forging: after the medium-frequency heating, a blank material is placed in a cavity of a pre-forging die body of a spline shaft hammer forging die on a hammer forging machine, the hammer forging machine is controlled, a power drive end drives the pre-forging die body to stamp the blank material, and the blank material is stamped into a pre-forging piece of the spline shaft; (4), finish-forging: the pre-forging piece is placed in a cavity of a finish-forging die body of the spline shaft hammer forging die on the hammer forging machine, the hammer forging machine is controlled, the power drive end drives the finish-forging die body to stamp the pre-forging piece, and the pre-forging is stamped into a finish-forging piece. The novel technology is reasonable in design and simple in structure, forging pieces are easy to be formed, and rejection rate of the forging pieces is greatly lowered. Gathering process is eliminated, production efficiency is improved, and production cost and die making cost are lowered. Inner diameters of shaft body cavities of a pre-forging cavity and a finish-forging cavity are reduced, and processing amount of a machine is reduced and raw material is saved.
Description
Technical field
The invention belongs to auto industry technical field, relate in particular to a kind of splined driveshaft axle new technique for forging.
Background technology
At present, Forging Technology under mould structure form under traditional splined shaft FMT is: blanking-heating in medium frequency-gathering-blocking-finish-forging, adopt and under this mould, complete forging of forging, the increase of aggregation process has not only increased mold materials expense, Mould Machining expense, also increased the mould production cycle, only on producing one, just significantly improved by mould production cost, in addition, this work step be increased in reduction production efficiency, increase man hour of labour, also virtually increased work production cost.
Be that traditional upset forging die tool has following defect to the Forging Technology of splined shaft: 1. the free compression ratio due to forging surpasses 3.0, so forging forming difficulty percent defective large, forging is higher; 2. production efficiency is low, and production cost is high; 3. many gathering molds on mould, make troubles to Mould Machining, have increased Mould Machining cost simultaneously; 4, the internal diameter in the axis body chamber of blocking die cavity and finish-forging die cavity is 35mm, and the bar portion processing capacity that forges splined shaft is out larger, wastes more raw material.
Summary of the invention
The present invention is in order to solve weak point of the prior art, provide a kind of simple in structure, be convenient to manufacture, be easy to moulding, finished forged product rate is high, cost is low, the splined driveshaft axle new technique for forging that economizes in raw materials.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: splined driveshaft axle new technique for forging, comprises the following steps:
(1), blanking: the diameter of blank is 32mm, and material is that 40Cr, length are 193.5mm;
(2), heating in medium frequency: the temperature of heating in medium frequency is that 950 ℃ ~ 1050 ℃, heat time are 5 ~ 5.5 minutes;
(3), blocking: blank material after heating in medium frequency is placed in the die cavity of blocking die body of horizontal forging and upsetting machine upper spline axle upset forging die tool, control horizontal forging and upsetting machine, power drive end drives blocking body of punch stamping strip material, blank material is struck out to the pre-forging of splined shaft, the total length of pre-forging is 165mm, axis body length and the external diameter of pre-forging are respectively 120mm and 32mm, the spindle nose external diameter of pre-forging is 65mm, between the axis body of pre-forging and spindle nose, have conical transiting rod, the length of transiting rod is 25mm;
(4), finish-forging: pre-forging is placed in the die cavity of finish-forging die body of horizontal forging and upsetting machine upper spline axle upset forging die tool, control horizontal forging and upsetting machine, power drive end drives the pre-forging of finish-forging body of punch punching press, pre-forging is struck out to finish-forging part, the total length of finish-forging part is 150mm, axis body length and the external diameter of finish-forging part are respectively 99mm and 32mm, the spindle nose external diameter of pre-forging is 68mm, between the axis body of finish-forging part and spindle nose, have columniform transiting rod, the external diameter of transiting rod and length are respectively 43.6mm and 25mm.
Described splined shaft upset forging die tool comprises mould bases, blocking die body and finish-forging die body are located on mould bases, the die cavity of blocking die body and finish-forging die body respectively correspondence is provided with punching type blocking body of punch and finish-forging body of punch, described blocking die body and finish-forging die body include upper cavity die and lower cavity die, upper cavity die is fixedly connected with mould bases by bolt respectively with lower cavity die, between upper cavity die and lower cavity die, be provided with the die cavity of hollow, die cavity is by coaxial and spindle nose that internal diameter reduces successively chamber, adapter cavity and axis body chamber form, the internal diameter in axis body chamber is 32mm, the end in two axis body chambeies is equipped with the clamp for clamping forge piece, the adapter cavity axial cross section of blocking die body is conical structure, and the adapter cavity of finish-forging die body is cylindrical structural.
Described blocking body of punch and finish-forging body of punch include jumper bar, connecting rod, contiguous block, connector, wedge, connecting plate and screw rod, connecting rod and contiguous block are coaxial and be made into integration, the end axis of centres of contiguous block is to offering slot, contiguous block radially offer the jack being communicated with slot, connector is coaxial and be made into integration with jumper bar, the end central authorities of connector offer screwed hole, connecting plate is provided with wedged hole, connecting plate is plugged in slot and wedged hole connection corresponding to jack, wedge is radially pegged graft and is coordinated with the wedged hole of connecting plate through jack, the outer end of connecting plate is fixedly connected with screw rod, screw flight is connected in the screwed hole of connector, the working end of the jumper bar of blocking body of punch is provided with flat punch, the working end of the jumper bar of finish-forging body of punch is provided with the spindle nose nest drift for stamped workpieces spindle nose nest, connecting rod be radially provided with locating slot.
The edge of described slot is provided with the depressed part of annular, connector in an end with screwed hole, be provided with plug depressed part and with the dome ring of depressed part adaptation.
Adopt technique scheme, owing to having cancelled gathering mold on mould bases, cancelled aggregation process step, thereby reduced manufacture difficulty and the cost of manufacture of mould, also improved production efficiency, reduced production cost.The internal diameter in axis body chamber is reduced to 32mm by original 35mm, has so fully reduced to forge the external diameter of splined shaft axis body out, thereby reduced mach processing capacity, save material usage, reduce costs.The adapter cavity axial cross section of blocking die body is conical structure, guaranteeing cancelling on the basis of aggregation process, improve the reliability of blocker forging, allow and need the part being shaped to reshape to finish-forging, guaranteed that like this blocking is unlikely to flexural deformation in forming process, does not occur Fold to finish-forging work step.Because blocking and finish-forging process workpiece still have higher temperature, clamp is for taking out the workpiece after blocking and finish-forging.
Connecting rod is connected with the power drive end of horizontal forging and upsetting machine, blocking body of punch and finish-forging body of punch adopt split modular structure, in drift fracture, only change drift, jumper bar and connector, save processing cost and the replacing time of body of punch, the consumption and the heat treatment energy consumption that have reduced mold materials, improved production efficiency, realizes energy-saving and cost-reducing.Between contiguous block and connecting plate, adopt coordinating of wedge and wedged hole, connect reliably, be convenient to dismounting.The cooperation of depressed part and dome ring, guarantees to connect location more precisely, reliably between pressing part and connecting portion.
The present invention is reasonable in design, simple in structure, and forging is easy to be shaped, and the percent defective of forging reduces greatly; Cancelled aggregation process, production efficiency improves, and reduces production costs and Mold Making cost; The internal diameter in the axis body chamber of blocking die cavity and finish-forging die cavity reduces, and reduces amount of machining and saves material.
Accompanying drawing explanation
Fig. 1 is the structural representation of splined shaft upset forging die tool in the present invention;
Fig. 2 is A-A cutaway view in the middle of Fig. 1;
Fig. 3 is the schematic diagram of pre-forging after blocker forging;
Fig. 4 is the schematic diagram of finish-forging part after finish forging.
The specific embodiment
As shown in Figure 3 and Figure 4, splined driveshaft axle new technique for forging of the present invention, comprises the following steps:
(1), blanking: the diameter of blank is 32mm, and material is that 40Cr, length are 193.5mm;
(2), heating in medium frequency: the temperature of heating in medium frequency is that 950 ℃ ~ 1050 ℃, heat time are 5 ~ 5.5 minutes;
(3), blocking: blank material after heating in medium frequency is placed in the die cavity of blocking die body of horizontal forging and upsetting machine upper spline axle upset forging die tool, control horizontal forging and upsetting machine, power drive end drives blocking body of punch stamping strip material, blank material is struck out to the pre-forging of splined shaft, the total length L 1 of pre-forging is 165mm, axis body 28 length L 2 and the D outer diameter 1 of pre-forging are respectively 120mm and 32mm, spindle nose 26 D outer diameter 2 of pre-forging are 65mm, between the axis body 28 of pre-forging and spindle nose 26, have conical transiting rod 27, the length L 3 of transiting rod 27 is 25mm;
(4), finish-forging: pre-forging is placed in the die cavity of finish-forging die body of horizontal forging and upsetting machine upper spline axle upset forging die tool, control horizontal forging and upsetting machine, power drive end drives the pre-forging of finish-forging body of punch punching press, pre-forging is struck out to finish-forging part, the total length L 4 of finish-forging part is 150mm, axis body 28 length L 5 and the D outer diameter 3 of finish-forging part are respectively 99mm and 32mm, spindle nose 26 D outer diameter 4 of finish-forging part are 68mm, between the axis body 28 of finish-forging part and spindle nose 26, have columniform transiting rod 27, D outer diameter 5 and the length L 6 of transiting rod 27 are respectively 43.6mm and 25mm.
As depicted in figs. 1 and 2, splined shaft upset forging die tool comprises mould bases 1, blocking die body and finish-forging die body are located on mould bases 1, the die cavity of blocking die body and finish-forging die body respectively correspondence is provided with punching type blocking body of punch and finish-forging body of punch, blocking die body and finish-forging die body include upper cavity die 3 and lower cavity die 4, upper cavity die 3 is fixedly connected with mould bases 1 by bolt 5 respectively with lower cavity die 4, can replace with die 3 and lower cavity die 4 by assembling-disassembling bolt 5 like this, between upper cavity die 3 and lower cavity die 4, be provided with the die cavity of hollow, die cavity is axial permeable structures, die cavity is by coaxial and spindle nose that internal diameter reduces successively chamber 6, adapter cavity 7 and axis body chamber 8 form, spindle nose chamber 6, adapter cavity 7 and axis body chamber 8 are respectively used to hold the spindle nose 26 of spline shaft forged piece, transiting rod 27 and axis body 28, the inner diameter D in axis body chamber 8 is 32mm, the end in two axis body chambeies 8 is equipped with the clamp 9 for clamping forge piece, adapter cavity 7 axial cross sections of blocking die body are conical structure, and the adapter cavity 7 of finish-forging die body is cylindrical structural.
Blocking body of punch and finish-forging body of punch include jumper bar 10, connecting rod 11, contiguous block 12, connector 13, wedge 14, connecting plate 15 and screw rod 16, connecting rod 11 and contiguous block 12 is coaxial and be made into integration, the end axis of centres of contiguous block 12 is to offering slot 17, contiguous block 12 radially offer the jack 18 being communicated with slot 17, connector 13 is coaxial and be made into integration with jumper bar 10, the end central authorities of connector 13 offer screwed hole 19, connecting plate 15 is provided with wedged hole 20, connecting plate 15 is plugged in slot 17 and wedged hole 20 connection corresponding to jack 18, wedge 14 is radially pegged graft and is coordinated with the wedged hole 20 of connecting plate 15 through jack 18, the outer end of connecting plate 15 is fixedly connected with screw rod 16, screw rod 16 is threaded in the screwed hole 19 of connector 13, the working end of the jumper bar 10 of blocking body of punch is provided with flat punch 21, the working end of the jumper bar 10 of finish-forging body of punch is provided with the spindle nose nest drift 22 for stamped workpieces spindle nose nest, connecting rod 11 be radially provided with locating slot 25.
The edge of slot 17 is provided with the depressed part 23 of annular, connector 13 in an end with screwed hole 19, be provided with plug depressed part 23 and with the dome ring 24 of depressed part 23 adaptations.
Owing to having cancelled gathering mold at mould bases 1, thereby manufacture difficulty and the cost of manufacture of mould have been reduced.The internal diameter in axis body chamber 8 is reduced to 32mm by original 35mm, has reduced like this and fully reduced to forge the external diameter of splined shaft axis body out, thereby reduced mach processing capacity, save material usage, reduce costs.Adapter cavity 7 axial cross sections of blocking die body are conical structure, guarantee like this cancelling on the basis of aggregation process, improve the reliability of blocker forging, allow and need the part being shaped to reshape to finish-forging, guaranteed that like this blocking is unlikely to flexural deformation in forming process, does not occur Fold to finish-forging work step.Because blocking and finish-forging process workpiece still have higher temperature, clamp 9 is for taking out the workpiece after blocking and finish-forging.
Connecting rod 11 is connected with the power drive end of horizontal forging and upsetting machine, blocking body of punch and finish-forging body of punch adopt split modular structure, in drift fracture, only change drift, jumper bar 10 and connector 13, save processing cost and the replacing time of body of punch, the consumption and the heat treatment energy consumption that have reduced mold materials, improved production efficiency, realizes energy-saving and cost-reducing.Between contiguous block 12 and connecting plate 15, adopt coordinating of wedge 14 and wedged hole 20, connect reliably, be convenient to dismounting.The cooperation of depressed part 23 and dome ring 24, guarantees to connect location more precisely, reliably between pressing part and connecting portion.
When splined shaft upset forging die tool is used in work, first the cylindrical blank of high temperature after heating in medium frequency is placed in the die cavity of blocking die body, flat punch 21 axial punch of blocking body of punch, blank forging is become to pre-forging as shown in Figure 3, then open the upper cavity die 3 on mould bases 1, use clamp 9 pre-forging to be clamped in the die cavity of finish-forging die body, spindle nose nest drift 22 axial punch of finish-forging die body, are finally forged to finish-forging part as shown in Figure 4 by pre-forging.
The present invention, with respect to existing conventional art, has following beneficial effect:
1, reduced gathering work step, just be equivalent to reduce four modules and a gathering drift, one mold gross weight is 150Kg, press 15.5 yuan/Kg of mould steel expense, add 4.5 yuan/Kg of mold hot handling, the die cost that can save of adding up is 20 yuan/Kg * 150Kg=2000 unit, and only this has just reduced die cost significantly, is equivalent to 1 forging of every production and reduces 0.3 yuan of die cost.
2, reduced gathering work step, make workman's production efficiency improve 35%, well-known, the granting of reckoning by the piece of workman's wage, dry is The more the better, wage will be higher, and product of the same race is produced under new technology, and the stability of product quality is also guaranteed, the factor of more impacts of work step forging quality is also more, through summing up contrast contrast, learn, the percent defective of the forging that new technology is produced reduces by 2%, is equivalent to every forging and reduces costs 0.4 yuan of left and right.
3, no matter reduced gathering work step, be aspect energy-conservation or consumption reduction, has outstanding contribution, and energy-saving and cost-reducing work has had substantial breakthrough, has improved constantly production efficiency, has also reduced forging, metalworking cost.
The splined shaft finish-forging part that adopts the present invention to process, compares with the forging of traditional structure, and advantage of the present invention can be summarized as following some content:
1, consumption reduction aspect: the bar portion of blank reduces to φ 32 by original φ 35, forging reduces weight 0.15Kg, and every is reduced by 0.6 yuan of material cost.
2, energy-conservation aspect: calculate Frequency Induction Heating, the about 0.5Kw.h(0.5 degree of per kilogram blank heating energy consumption from the energy consumption of heating blank), can save electric energy 0.15Kg * 0.5 degree/Kg=0.075 degree for every, every is reduced by 0.1 yuan of left and right of energy cost.
3, lumber recovery aspect: new designing technique can improve stock utilization 2%, every the 0.4 yuan of left and right that reduces production costs.
4, follow-up metalworking: the 0.3 yuan/part of metalworking cutter expense of saving parent company.
In sum: 1 forging of every production, totle drilling cost reduces by 1.4 yuan of left and right, if 1,000,000/year of the output of this type of splined shaft can be saved 1,400,000 yuan of left and right every year.
The present embodiment is not done any pro forma restriction to shape of the present invention, material, structure etc.; any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all belong to the protection domain of technical solution of the present invention.
Claims (4)
1. splined driveshaft axle new technique for forging, is characterized in that: comprise the following steps:
(1), blanking: the diameter of blank is 32mm, and material is that 40Cr, length are 193.5mm;
(2), heating in medium frequency: the temperature of heating in medium frequency is that 950 ℃ ~ 1050 ℃, heat time are 5 ~ 5.5 minutes;
(3), blocking: blank material after heating in medium frequency is placed in the die cavity of blocking die body of horizontal forging and upsetting machine upper spline axle upset forging die tool, control horizontal forging and upsetting machine, power drive end drives blocking body of punch stamping strip material, blank material is struck out to the pre-forging of splined shaft, the total length of pre-forging is 165mm, axis body length and the external diameter of pre-forging are respectively 120mm and 32mm, the spindle nose external diameter of pre-forging is 65mm, between the axis body of pre-forging and spindle nose, have conical transiting rod, the length of transiting rod is 25mm;
(4), finish-forging: pre-forging is placed in the die cavity of finish-forging die body of horizontal forging and upsetting machine upper spline axle upset forging die tool, control horizontal forging and upsetting machine, power drive end drives the pre-forging of finish-forging body of punch punching press, pre-forging is struck out to finish-forging part, the total length of finish-forging part is 150mm, axis body length and the external diameter of finish-forging part are respectively 99mm and 32mm, the spindle nose external diameter of pre-forging is 68mm, between the axis body of finish-forging part and spindle nose, have columniform transiting rod, the external diameter of transiting rod and length are respectively 43.6mm and 25mm.
2. splined driveshaft axle new technique for forging according to claim 1, it is characterized in that: described splined shaft upset forging die tool comprises mould bases, blocking die body and finish-forging die body are located on mould bases, the die cavity of blocking die body and finish-forging die body respectively correspondence is provided with punching type blocking body of punch and finish-forging body of punch, described blocking die body and finish-forging die body include upper cavity die and lower cavity die, upper cavity die is fixedly connected with mould bases by bolt respectively with lower cavity die, between upper cavity die and lower cavity die, be provided with the die cavity of hollow, die cavity is by coaxial and spindle nose that internal diameter reduces successively chamber, adapter cavity and axis body chamber form, the internal diameter in axis body chamber is 32mm, the end in two axis body chambeies is equipped with the clamp for clamping forge piece, the adapter cavity axial cross section of blocking die body is conical structure, and the adapter cavity of finish-forging die body is cylindrical structural.
3. splined driveshaft axle new technique for forging according to claim 2, it is characterized in that: described blocking body of punch and finish-forging body of punch include jumper bar, connecting rod, contiguous block, connector, wedge, connecting plate and screw rod, connecting rod and contiguous block are coaxial and be made into integration, the end axis of centres of contiguous block is to offering slot, contiguous block radially offer the jack being communicated with slot, connector is coaxial and be made into integration with jumper bar, the end central authorities of connector offer screwed hole, connecting plate is provided with wedged hole, connecting plate is plugged in slot and wedged hole connection corresponding to jack, wedge is radially pegged graft and is coordinated with the wedged hole of connecting plate through jack, the outer end of connecting plate is fixedly connected with screw rod, screw flight is connected in the screwed hole of connector, the working end of the jumper bar of blocking body of punch is provided with flat punch, the working end of the jumper bar of finish-forging body of punch is provided with the spindle nose nest drift for stamped workpieces spindle nose nest, connecting rod be radially provided with locating slot.
4. splined driveshaft axle new technique for forging according to claim 3, is characterized in that: the edge of described slot is provided with the depressed part of annular, connector in an end with screwed hole, be provided with plug depressed part and with the dome ring of depressed part adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310501610.5A CN103537595B (en) | 2013-10-23 | 2013-10-23 | Splined driveshaft axle Forging Technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310501610.5A CN103537595B (en) | 2013-10-23 | 2013-10-23 | Splined driveshaft axle Forging Technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103537595A true CN103537595A (en) | 2014-01-29 |
| CN103537595B CN103537595B (en) | 2015-12-09 |
Family
ID=49961668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310501610.5A Active CN103537595B (en) | 2013-10-23 | 2013-10-23 | Splined driveshaft axle Forging Technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103537595B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920840A (en) * | 2014-04-19 | 2014-07-16 | 山东远大模具材料有限公司 | One-die two-piece forging die for railway track gauge block |
| CN105583351A (en) * | 2015-12-19 | 2016-05-18 | 许昌中兴锻造有限公司 | Horizontal forging technology for middle-sized spline shaft yoke |
| CN108555206A (en) * | 2017-12-13 | 2018-09-21 | 陕西宏远航空锻造有限责任公司 | A kind of forging method of bar jumping-up wooden club base |
| CN110961560A (en) * | 2019-12-06 | 2020-04-07 | 陕西宏远航空锻造有限责任公司 | Forging method for one-time upsetting forming of large-height-diameter-ratio bar |
| CN115138805A (en) * | 2022-06-30 | 2022-10-04 | 重庆标准件工业有限责任公司 | Bolt production process capable of automatically scraping welding slag |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586764A (en) * | 2004-07-22 | 2005-03-02 | 上海交通大学 | Sub-heat control fine forging process for automobile spline shaft |
| CN101947634A (en) * | 2010-09-03 | 2011-01-19 | 东风汽车有限公司 | Forging process for flange of half shaft of automobile rear axle |
| CN202192196U (en) * | 2011-06-30 | 2012-04-18 | 许昌远东传动轴股份有限公司 | Forging and pressing die for spline hub in horizontal forging machine |
| CN202212516U (en) * | 2011-08-26 | 2012-05-09 | 许昌中兴锻造有限公司 | Novel die for forging spline shaft head of transmission shaft |
| CN102615124A (en) * | 2012-01-09 | 2012-08-01 | 泉州凤顺汽车零部件有限公司 | Production process and production equipment for half shaft contracting rod |
| JP2012183563A (en) * | 2011-03-07 | 2012-09-27 | Jtekt Corp | Method of manufacturing shaft member for wheel rolling bearing device |
-
2013
- 2013-10-23 CN CN201310501610.5A patent/CN103537595B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586764A (en) * | 2004-07-22 | 2005-03-02 | 上海交通大学 | Sub-heat control fine forging process for automobile spline shaft |
| CN101947634A (en) * | 2010-09-03 | 2011-01-19 | 东风汽车有限公司 | Forging process for flange of half shaft of automobile rear axle |
| JP2012183563A (en) * | 2011-03-07 | 2012-09-27 | Jtekt Corp | Method of manufacturing shaft member for wheel rolling bearing device |
| CN202192196U (en) * | 2011-06-30 | 2012-04-18 | 许昌远东传动轴股份有限公司 | Forging and pressing die for spline hub in horizontal forging machine |
| CN202212516U (en) * | 2011-08-26 | 2012-05-09 | 许昌中兴锻造有限公司 | Novel die for forging spline shaft head of transmission shaft |
| CN102615124A (en) * | 2012-01-09 | 2012-08-01 | 泉州凤顺汽车零部件有限公司 | Production process and production equipment for half shaft contracting rod |
Non-Patent Citations (1)
| Title |
|---|
| 陈实: "平锻机上花键轴头模具标准化设计技术", 《第九届河南省汽车工程技术学术研讨会论文集》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920840A (en) * | 2014-04-19 | 2014-07-16 | 山东远大模具材料有限公司 | One-die two-piece forging die for railway track gauge block |
| CN103920840B (en) * | 2014-04-19 | 2016-05-11 | 山东远大特材科技股份有限公司 | Two forging molds of railroad track track gauge block one mould |
| CN105583351A (en) * | 2015-12-19 | 2016-05-18 | 许昌中兴锻造有限公司 | Horizontal forging technology for middle-sized spline shaft yoke |
| CN108555206A (en) * | 2017-12-13 | 2018-09-21 | 陕西宏远航空锻造有限责任公司 | A kind of forging method of bar jumping-up wooden club base |
| CN110961560A (en) * | 2019-12-06 | 2020-04-07 | 陕西宏远航空锻造有限责任公司 | Forging method for one-time upsetting forming of large-height-diameter-ratio bar |
| CN115138805A (en) * | 2022-06-30 | 2022-10-04 | 重庆标准件工业有限责任公司 | Bolt production process capable of automatically scraping welding slag |
| CN115138805B (en) * | 2022-06-30 | 2024-02-06 | 重庆标准件工业有限责任公司 | Bolt production process capable of automatically scraping welding slag |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103537595B (en) | 2015-12-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103537595B (en) | Splined driveshaft axle Forging Technology | |
| CN101402163A (en) | Bearing ferrule workblank triple external member smithing and molding process | |
| CN101811170A (en) | Method for vertically forging integral automobile steering knuckle | |
| CN203592098U (en) | Convex die of transmission shaft spline shaft horizontal forging die | |
| CN104139280B (en) | The manufacturing process of hub for vehicle wheel | |
| CN202752522U (en) | Combined type half shaft forging rotary forging die | |
| CN102284670A (en) | Heavy truck balance shaft forging method | |
| CN203592100U (en) | Primary forging die body of transmission shaft spline shaft horizontal forging die | |
| CN101670512B (en) | Method for processing ultrathin-wall parts | |
| CN203508906U (en) | Multi-station continuous hot-forging die set for half-axle gears of driving axles | |
| CN201350464Y (en) | Liner bushing manufacturing device and liner bushing | |
| CN203592099U (en) | Transmission shaft spline shaft horizontal forging die | |
| CN108607946A (en) | A kind of big specification straight bevel gear study on precision forging technology | |
| CN202824490U (en) | Composite mold with large aperture casing head and tubing head | |
| CN201997666U (en) | Production line for forging and moulding three bearing ring blanks at a time | |
| CN2923293Y (en) | Formation mould for pressing magnetic material powder | |
| CN202343827U (en) | Forging forming equipment for automobile steering knuckle | |
| CN104275427A (en) | Manufacturing method of multi-station die for multi-step shafts | |
| CN208513587U (en) | A kind of big specification straight bevel gear finish forge molding machine | |
| CN203830528U (en) | Hollow-forming die for rod portion of inner flange | |
| CN208408424U (en) | A kind of mold for big specification straight bevel gear finish forge molding machine | |
| CN103586642B (en) | Plate hub core manufacturing process | |
| CN206966549U (en) | A kind of ring blank is molded rolling ring mould | |
| CN206550284U (en) | Out star wheel used for vehicle transmission shaft, interior star-wheel blank forging equipment | |
| CN202108858U (en) | Engineering machinery transmission shaft bond axis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |