CN112475163A - Full-automatic caterpillar track section forging process adopting multi-station die - Google Patents
Full-automatic caterpillar track section forging process adopting multi-station die Download PDFInfo
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- CN112475163A CN112475163A CN202011419706.3A CN202011419706A CN112475163A CN 112475163 A CN112475163 A CN 112475163A CN 202011419706 A CN202011419706 A CN 202011419706A CN 112475163 A CN112475163 A CN 112475163A
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- forging
- die
- station
- flattening
- ejector rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/027—Trimming
Abstract
The invention belongs to the technical field of caterpillar links, and particularly relates to a full-automatic caterpillar link forging process adopting a multi-station die, wherein the multi-station die comprises a flattening die, a pre-forging die, a finish-forging die, a trimming and punching composite die and a correcting die which are sequentially arranged; the full-automatic forging process of the caterpillar track section comprises the following steps: a bar heating procedure, a flattening procedure, a pre-forging procedure, a finish forging procedure, a trimming and punching composite procedure and a correcting procedure; the bar heating process comprises the following steps: the method comprises the steps of utilizing a diathermic furnace to inductively heat bars, enabling the bars to pass through a sorting device at a discharge port in a temperature range of 1170-1230 ℃, entering the next process, automatically removing the bars with material temperature being insufficient or excessive, and then sequentially completing the forging of flattening, pre-forging, finish forging, trimming and punching and correcting processes. The invention completes the automatic continuous forging of the caterpillar track joint on a single press machine through a set of multi-station dies and a walking beam.
Description
Technical Field
The invention belongs to the technical field of caterpillar links, and particularly relates to a full-automatic caterpillar link forging process adopting a multi-station die.
Background
The caterpillar track section is a key part of a caterpillar track assembly of engineering mechanical equipment, is generally produced by adopting a hot die forging method, and has the forging process flow as follows: blanking, heating, flattening, pre-forging, finish forging, trimming and punching, correcting and heat treating. Because the shape of the forge piece is complex, the process flow is more, the forge is finished on different equipment by manpower at present, the needed equipment and personnel are more, the forging efficiency is low, and the production cost is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a full-automatic forging process of the caterpillar track section by adopting a multi-station die, and the caterpillar track section is automatically and continuously forged on a single press machine by one set of multi-station die and a walking beam.
The invention is realized by the following technical scheme: a full-automatic forging process for a caterpillar track section by adopting a multi-station die comprises a flattening die, a pre-forging die, a finish-forging die, a trimming and punching composite die and a correcting die which are sequentially arranged; the full-automatic forging process of the caterpillar track section comprises the following steps: a bar heating procedure, a flattening procedure, a pre-forging procedure, a finish forging procedure, a trimming and punching composite procedure and a correcting procedure;
the bar heating process comprises the following steps: the method comprises the following steps of (1) utilizing a diathermic furnace to inductively heat bars, enabling a discharge port to be matched with a material temperature sorting device, enabling the bars with the temperature ranging from 1170 to 1230 ℃ to pass through the sorting device and enter the next procedure, and automatically eliminating the material temperature which is under-temperature or over-temperature;
the method comprises the following steps that a bar is transported in a walking beam clamping mode, seven pairs of clamping jaws are arranged on the walking beam, and the seven pairs of clamping jaws are respectively a rotary platform station clamping jaw, a bar placing platform clamping jaw, a flattening station clamping jaw, a pre-forging station clamping jaw, a finish forging station clamping jaw, a trimming and punching composite station clamping jaw and a correcting station clamping jaw; in the automatic forging process, firstly, a mechanical arm is used for clamping and placing a bar material which finishes a heating process on a rotating platform to rotate for 90 degrees, the direction of the bar material is adjusted, then a clamping jaw of the station of the rotating platform is used for clamping and placing the bar material on a bar material placing platform, the center position of the bar material is adjusted, the adjusted bar material is transferred to a flattening station through the clamping jaw of the bar material placing platform, and a press machine is closed to finish the flattening process for forging;
after the forging of the flattening process is finished, the forging piece is clamped by a flattening station clamping jaw and transferred to a pre-forging station, and the forging of the pre-forging process is finished;
after the forging of the pre-forging process is finished, clamping the forged piece by a clamping jaw of the pre-forging station and transferring the forged piece to a final forging station to finish the forging of the final forging process;
after the finish forging process is completed, the forging piece is clamped by a finish forging station clamping jaw and transferred to an edge cutting and punching station, and the edge cutting and punching process is completed;
after the trimming and punching process is finished, the trimming and punching composite station clamping jaw clamps the forged piece and transfers the forged piece to a correction station, and the correction process is finished and the multi-station die is clamped out by the correction station clamping jaw.
Furthermore, in the flattening process, the pre-forging process, the final forging process, the trimming and punching compound process and the correction process, corresponding release agent spraying operation is carried out in each process, and after the press is lifted, orderly automatic release agent spraying is carried out.
Furthermore, the spraying mode, the spraying time and the spraying amount are all adjusted according to the forging condition.
The flattening die comprises a flattening upper die, a flattening upper die base plate, a flattening lower die base plate, a flattening lower ejector rod base and a flattening lower secondary ejector rod, wherein the flattening upper die and the flattening upper die base plate are fixed on a flattening upper die base;
the pre-forging die comprises a pre-forging upper die, a pre-forging upper die base plate, a pre-forging upper fixing clamping plate, an upper ejector rod seat, a pre-forging upper ejector rod, a pre-forging upper secondary ejector rod, a pre-forging lower die base plate, a pre-forging lower ejector rod seat and a pre-forging lower secondary ejector rod, wherein the pre-forging upper die, the pre-forging upper die base plate, the pre-forging upper fixing clamping plate, the;
the finish forging die comprises a finish forging upper die, a finish forging upper die base plate, a finish forging upper fixing clamp plate, a finish forging upper ejector rod seat, a finish forging upper ejector rod, a finish forging upper secondary ejector rod, a finish forging lower die base plate, a finish forging lower ejector rod seat and a finish forging lower secondary ejector rod, wherein the finish forging upper die, the finish forging upper die base plate, the finish forging upper fixing clamp plate, the finish forging lower ejector rod seat and the finish forging lower secondary ejector rod;
the trimming and punching composite die comprises a trimming female die, an ejector template, an ejector rod, a lower male die and a lower male die holder, wherein the trimming female die, the ejector template and the ejector rod are fixed on an upper die holder;
the correcting die comprises a correcting upper die, a correcting upper die fixing plate, a correcting upper die base, a correcting lower die base plate, a correcting lower ejector rod base, a pin and a correcting lower secondary ejector rod, wherein the correcting upper die, the correcting upper die fixing plate and the correcting upper die base are fixed on the upper die base, and the correcting lower die, the correcting lower die base plate, the correcting.
Furthermore, a guide device is arranged between the pre-forging die and the finish-forging die and comprises a guide pillar, a guide pillar fixing plate, a guide sleeve and a guide sleeve fixing plate, wherein the guide pillar is arranged on the upper die base and is fastened by the guide pillar fixing plate through an inner hexagon bolt; the guide sleeve is arranged on the lower die base and is fastened by a guide sleeve fixing plate through bolts.
The invention has the beneficial effects that: according to the invention, the caterpillar track section is automatically and continuously forged on a single press machine through a set of multi-station die and the walking beam, the forging speed is greatly increased compared with the traditional production speed, and the labor cost is reduced.
Drawings
FIG. 1 is a drawing of a forging for a caterpillar link of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an assembled cross-sectional view of the multi-station die of the present invention;
FIG. 4 is a top plan view of the assembly of the multi-station die of the present invention;
in the figure, 1, a bar stock placing platform; 2. flattening the lower die; 3. flattening the upper die; 4. flattening the upper die base plate; 5. flattening the upper die base; 6. an upper die holder; 7. pre-forging an upper die; 8. pre-forging an upper die base plate; 9. pre-forging a fixed splint; 10. an upper ejector rod seat; 11. pre-forging an upper ejector rod; 12. pre-forging the upper secondary ejector rod; 13. finish forging the upper die; 14. finish forging the upper die base plate; 15. finish forging an upper ejector rod; 16. finish forging the secondary ejector rod; 17. finish forging the ejector rod seat; 18. finish forging a fixed splint; 19. an ejector; 20. an ejector rod of the ejector; 21. an ejector template; 22. trimming the female die; 23. correcting the upper die; 24. a hexagon socket head cap screw; 25. correcting the upper die fixing plate; 26. correcting the upper die base; 27. a lower latch plate; 28. a locking buckle plate; 29. a hexagon socket head cap screw; 30. correcting the lower die; 31. correcting the lower die base plate; 32. correcting the lower ejector rod; 33. correcting the lower ejector rod seat; 34. a pin; 35. correcting the lower secondary ejector rod; 36. a cutter; 37. a lower male die; 38. a lower punch holder; 39. finish forging the lower die base plate; 40. finish forging the lower ejector rod; 41. finish forging the lower ejector rod seat; 42. finish forging a lower secondary ejector rod; 43. finish forging the lower die; 44. a guide sleeve fixing plate; 45. pre-forging the lower ejector rod seat; 46. pre-forging a lower secondary ejector rod; 47. pre-forging the lower ejector rod; 48. pre-forging a lower die base plate; 49. pre-forging the lower die; 50. flattening the lower secondary ejector rod; 51. flattening the lower ejector rod seat; 52. flattening the lower ejector rod; 53. flattening the lower die base plate; 54. a lower die holder; 55. a guide post; 56. a guide post fixing plate; 57. a hexagon socket head cap screw; 58. a guide sleeve; 59. a walking beam; 60. rotating the platform station clamping jaw; 61. a bar placing platform clamping jaw; 62. flattening the station clamping jaw; 63. pre-forging station clamping jaws; 64. a clamping jaw of a finish forging station; 65. trimming and punching a composite station clamping jaw; 66. and correcting the station clamping jaw.
Detailed Description
The invention is further illustrated below with reference to the figures and examples.
A multi-station die for forging caterpillar links comprises a flattening die, a pre-forging die, a finish-forging die, a trimming and punching composite die and a correcting die. As shown in fig. 3 and 4, the assembly is that the flattening upper die 3 and the flattening upper die backing plate 4 are fixed on the flattening upper die holder 5 by bolts, and the flattening upper die holder 5 is fixed on the upper die holder 6 by bolts; the flattening lower die 2, the flattening lower die backing plate 53, the flattening lower ejector rod 52, the flattening lower ejector rod seat 51 and the flattening lower secondary ejector rod 50 are fixed on the lower die seat 54 through bolts. The pre-forging upper die 7, the pre-forging upper die backing plate 8, the pre-forging upper fixing splint 9, the upper ejector rod seat 10, the pre-forging upper ejector rod 11 and the pre-forging upper secondary ejector rod 12 are fixed on the upper die seat 6 through bolts; the pre-forging lower die 49, the pre-forging lower die backing plate 48, the pre-forging lower ejector rod 47, the pre-forging lower ejector rod seat 45 and the pre-forging lower secondary ejector rod 46 are fixed on the lower die seat 54 through bolts. The finish forging upper die 13, the finish forging upper die backing plate 14, the finish forging upper fixing splint 18, the finish forging upper ejector rod seat 17, the finish forging upper ejector rod 15 and the finish forging upper secondary ejector rod 16 are fixed on the upper die base 6 through bolts; the finish forging lower die 43, the finish forging lower die backing plate 39, the finish forging lower ejector rod 40, the finish forging lower ejector rod seat 41 and the finish forging lower secondary ejector rod 42 are fixed on the lower die seat 54 through bolts. The trimming female die 22, the ejector 19, the ejector template 21 and the ejector rod 20 are fixed on the upper die base 6 through bolts; the lower punch 37 is mounted on the lower punch holder 38, the lower punch holder 38 is fixed to the lower die holder 54, and the cutter 36 is mounted on the lower punch 37. The correcting upper die 23 is fixed on a correcting upper die base 26 through a correcting upper die fixing plate 25 by using an inner hexagonal bolt 24, and the correcting upper die base 26 is connected with the upper die base 6 through a bolt; the correction lower die 30, the correction lower die backing plate 31, the correction lower ejector rod 32, the correction lower ejector rod seat 33, the pin 34 and the correction lower secondary ejector rod 35 are fixed on the lower die seat 54 through bolts. Besides the guide of the guide rail of the press machine, guide devices are arranged at two ends and in the middle between the upper die holder 6 and the lower die holder 54, an upper lock plate 28 is fixed on the correction upper die holder 26 through an inner hexagon bolt 29, a lower lock plate 27 is fixed on the lower die holder 54 through an inner hexagon bolt, and lock plates are arranged at two ends of the die holders; the guide post 55 is arranged on the upper die base 6 and is fastened by a guide post fixing plate 56 through an inner hexagon bolt 57; the guide sleeve 58 is arranged on the lower die holder 54 and is fastened by the guide sleeve 58 fixing plate 44 through bolts, and the guide device further improves the position precision between the upper die holder and the lower die holder and prevents the die from shifting due to uneven gaps on two sides of a guide rail of the press machine. Seven pairs of clamping jaws are mounted on the walking beam 59, in the track link forging process, the bars are transferred through the clamping jaws on the walking beam 59, the bars heated to a specified range are clamped and placed on the bar placing platform 1 through the rotating platform station clamping jaws 60, the bars after being adjusted are clamped and placed by the bar placing platform clamping jaws 61, the bars are placed on the flattening station to complete flattening process forging, the bars are sequentially transferred to complete pre-forging, final forging, trimming punching and correction process forging, and multi-station full-automatic continuous track link forging is realized.
A full-automatic track link forging process adopting a multi-station die comprises a bar heating process, a flattening process, a pre-forging process, a finish forging process, an edge cutting and punching compound process and a correction process, wherein the flattening, the pre-forging, the finish forging, the edge cutting and punching and the correction are completed on one set of multi-station die. The method is characterized in that the bar stock is automatically fed, the bar stock heating process is to use a diathermic furnace to inductively heat the bar stock, a discharge port is matched with a stock temperature sorting device, the bar stock with the temperature ranging from 1170 to 1230 ℃ passes through the sorting device and enters the next process, and the bar stock with the temperature lower than or higher than the temperature is automatically discharged. The bar is transported in a walking beam clamping mode, seven pairs of clamping jaws are arranged on the walking beam 59, and the seven pairs of clamping jaws are respectively a rotary platform station clamping jaw 60, a bar placing platform clamping jaw 61, a flattening station clamping jaw 62, a pre-forging station clamping jaw 63, a finish forging station clamping jaw 64, a trimming and punching composite station clamping jaw 65 and a correcting station clamping jaw 66. Automatic change and forge the in-process, at first utilize the manipulator to press from both sides the bar and get and put rotary platform and go on 90 rotations, the adjustment bar direction, then utilize rotary platform station clamping jaw 60 clamp on the walking beam to press from both sides and get the bar and put on the bar place the platform, adjustment bar central point puts, the bar after the adjustment is transported to flattening the station through bar place the platform clamping jaw 61, the closed completion of press flattens the process and forges, treat and carry out the automatic spraying of orderly release agent after the press rises, the spray mode, spray time and spray volume all can be adjusted according to forging the condition. After the flattening process is finished, the forged piece is jacked up to a certain height by the flattening lower ejector rod 52, and then is clamped and transferred to the pre-forging station by the flattening station clamping jaw 62, so that the forging of the pre-forging process is finished. Flattening the lower die, pre-forging the upper die and the lower die, final-forging the upper die and the lower die, trimming the female die, and correcting the lower die, wherein the lower die is provided with corresponding ejection devices, and after forging of the forged piece, the forged piece is ejected by the corresponding ejector rod and then is clamped and transported by the corresponding clamping jaws. And (3) sequentially finishing the steps of finish forging, trimming, punching and correcting to obtain the caterpillar track section shown in the figures 1 and 2. The method comprises a flattening process, a pre-forging process, a finish forging process, an edge cutting and punching compound process and a correction process, wherein each process is carried out with corresponding demoulding agent spraying operation. In the trimming and punching composite process, six cutters 36 are installed in the trimming and punching lower die, and the whole circle of cut-off flash is divided into six parts so as to fall off smoothly. The bar materials are transmitted among the working procedures through the clamping jaws arranged on the walking beams 59, and the walking beams 59 complete one-time transmission among the working procedures along with the lifting of the press slide block by one period.
According to the invention, the caterpillar track section is automatically and continuously forged on a single press machine through a set of multi-station die and the walking beam, the forging speed is greatly increased compared with the traditional production speed, and the labor cost is reduced.
Claims (5)
1. A full-automatic forging process for a caterpillar track section by adopting a multi-station die is characterized in that the multi-station die comprises a flattening die, a pre-forging die, a finish-forging die, a trimming and punching composite die and a correcting die which are sequentially arranged; the full-automatic forging process of the caterpillar track section comprises the following steps: a bar heating procedure, a flattening procedure, a pre-forging procedure, a finish forging procedure, a trimming and punching composite procedure and a correcting procedure;
the bar heating process comprises the following steps: the method comprises the following steps of (1) utilizing a diathermic furnace to inductively heat bars, enabling a discharge port to be matched with a material temperature sorting device, enabling the bars with the temperature ranging from 1170 to 1230 ℃ to pass through the sorting device and enter the next procedure, and automatically eliminating the material temperature which is under-temperature or over-temperature;
the method comprises the following steps that a bar is transported in a clamping mode of a walking beam (59), seven clamping jaws are arranged on the walking beam (59) in total, and the seven clamping jaws are respectively a rotary platform station clamping jaw (60), a bar placing platform clamping jaw (61), a flattening station clamping jaw (62), a preforging station clamping jaw (63), a finish forging station clamping jaw (64), a trimming and punching composite station clamping jaw (65) and a correcting station clamping jaw (66); in the automatic forging process, firstly, a mechanical arm is used for clamping and placing a bar material which finishes a heating process on a rotating platform to rotate for 90 degrees, the direction of the bar material is adjusted, then a station clamping jaw (60) of the rotating platform is used for clamping and placing the bar material on a bar material placing platform (1), the center position of the bar material is adjusted, the adjusted bar material is transferred to a flattening station through a station clamping jaw (61) of the bar material placing platform, and a press machine is closed to finish the flattening process for forging;
after the forging of the flattening process is finished, the forging is clamped by a flattening station clamping jaw (62) and transferred to a pre-forging station, and the forging of the pre-forging process is finished;
after the forging of the pre-forging process is finished, the forging is clamped by a pre-forging station clamping jaw (63) and transported to a final forging station, and the forging of the final forging process is finished;
after the finish forging process is completed, the forging piece is clamped by a finish forging station clamping jaw (64) and transported to an edge cutting and punching station, and the edge cutting and punching process is completed;
after the trimming and punching process is finished, the forging piece is clamped and conveyed to a correction station by the trimming and punching composite station clamping jaw (65), and the multi-station die is clamped out by the correction station clamping jaw (66) after the correction process is finished.
2. The process of claim 1, wherein in the flattening step, the pre-forging step, the finish forging step, the trimming and punching step and the correction step, the step of spraying the release agent is performed in each step, and the release agent is sprayed in sequence automatically after the press is lifted.
3. The full-automatic track link forging process adopting the multi-station die as claimed in claim 2, wherein the spraying mode, the spraying time and the spraying amount are adjusted according to the forging condition.
4. The full-automatic forging process of the caterpillar track section by the aid of the multi-station die as claimed in claim 1, wherein the flattening die comprises a flattening upper die (3) and a flattening upper die backing plate (4) which are fixed on a flattening upper die holder (5), a flattening lower die (2) which is fixed on a lower die holder (54), a flattening lower die backing plate (53), a flattening lower ejector rod (52), a flattening lower ejector rod holder (51) and a flattening lower secondary ejector rod (50), and the flattening upper die holder (5) is fixed on an upper die holder (6);
the pre-forging die comprises a pre-forging upper die (7), a pre-forging upper die base plate (8), a pre-forging upper fixing clamping plate (9), an upper ejector rod seat (10), a pre-forging upper ejector rod (11), a pre-forging upper secondary ejector rod (12), a pre-forging lower die (49), a pre-forging lower die base plate (48), a pre-forging lower ejector rod (47), a pre-forging lower ejector rod seat (45) and a pre-forging lower secondary ejector rod (46), wherein the pre-forging upper die base plate (7) is fixed on an upper die seat (6);
the finish forging die comprises a finish forging upper die (13), a finish forging upper die base plate (14), a finish forging upper fixing clamping plate (18), a finish forging upper ejector rod seat (17), a finish forging upper ejector rod (15), a finish forging upper secondary ejector rod (16), a finish forging lower die (43), a finish forging lower die base plate (39), a finish forging lower ejector rod (40), a finish forging lower ejector rod seat (41) and a finish forging lower secondary ejector rod (42), wherein the finish forging upper die base plate (13) is fixed on an upper die base (6);
the trimming and punching composite die comprises a trimming female die (22), an ejector (19), an ejector template (21), an ejector rod (20) and a lower male die (37) and a lower die holder (38), wherein the trimming female die (22), the ejector rod (19), the ejector template and the lower die holder (20) are fixed on an upper die holder (6), and a cutter (36) is installed on the lower male die (37);
the correcting die comprises a correcting upper die (23), a correcting upper die fixing plate (25), a correcting upper die base (26), a correcting lower die (30), a correcting lower die base plate (31), a correcting lower ejector rod (32), a correcting lower ejector rod base (33), a pin (34) and a correcting lower secondary ejector rod (35), wherein the correcting upper die (23), the correcting upper die fixing plate (25) and the correcting upper die base (26) are fixed on an upper die base (6).
5. The full-automatic track link forging process adopting the multi-station die as claimed in claim 4, wherein a guide device is further arranged between the pre-forging die and the finish-forging die, the guide device comprises a guide pillar (55), a guide pillar fixing plate (56), a guide sleeve (58) and a guide sleeve fixing plate (44), the guide pillar (55) is arranged on the upper die holder (6) and is fastened by the guide pillar fixing plate (56) through an inner hexagon bolt (57); the guide sleeve (58) is arranged on the lower die holder (54) and is fastened by the guide sleeve fixing plate (44) through bolts.
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| CN202011419706.3A CN112475163B (en) | 2020-12-08 | 2020-12-08 | Full-automatic caterpillar track section forging process adopting multi-station die |
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| CN202011419706.3A CN112475163B (en) | 2020-12-08 | 2020-12-08 | Full-automatic caterpillar track section forging process adopting multi-station die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000778A (en) * | 2021-04-08 | 2021-06-22 | 苏州九源机械有限公司 | Caterpillar track link processing technology based on trimming die |
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| CN111195696A (en) * | 2020-01-06 | 2020-05-26 | 济宁市宁润文正锻造有限公司 | Processing technology for large-size forged caterpillar link and caterpillar link |
| CN111203504A (en) * | 2020-01-06 | 2020-05-29 | 济宁市宁润文正锻造有限公司 | Forging production method of large-size track shoe |
| CN111360488A (en) * | 2020-03-18 | 2020-07-03 | 徐州徐工履带底盘有限公司 | Processing method of caterpillar track link for caterpillar track |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000778A (en) * | 2021-04-08 | 2021-06-22 | 苏州九源机械有限公司 | Caterpillar track link processing technology based on trimming die |
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