CN107225431B - Guide and guard device with pretightening force and round blank clamping method - Google Patents
Guide and guard device with pretightening force and round blank clamping method Download PDFInfo
- Publication number
- CN107225431B CN107225431B CN201710599698.7A CN201710599698A CN107225431B CN 107225431 B CN107225431 B CN 107225431B CN 201710599698 A CN201710599698 A CN 201710599698A CN 107225431 B CN107225431 B CN 107225431B
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- sleeve
- pretightening
- guide
- oil cylinder
- clamping
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/05—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of roller-ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/12—Machines or devices for peeling bars or tubes making use of cutting bits arranged around the workpiece, otherwise than by turning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Forging (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a guide and guard device with pretightening force and a round blank clamping method, comprising a pretightening device, a box body and a central body fixedly arranged in the center of the box body, wherein a plurality of sliding sleeves are uniformly arranged in the circumferential direction of the central body, the pretightening device comprises an oil cylinder and pretightening pieces, the oil cylinder is arranged at the top of the box body, the pretightening pieces are at least two and uniformly distributed in the circumferential direction, the pretightening pieces are connected with piston rods of the oil cylinder through connecting rods, the sliding sleeves correspond to the pretightening pieces one by one, and the sleeves slide in the sliding sleeves of the central body. The invention applies the pretightening force to the clamping piece through the spring, thereby meeting the floating of the clamping piece within a certain range, effectively ensuring that the round blank cannot deviate due to the action of external force in the peeling process, realizing the stable clamping of the round blank, ensuring the stable cutting of the main machine, and having high durability and small maintenance amount.
Description
Technical Field
The invention belongs to the technical field of metallurgical equipment, and particularly relates to a guide and guard device with pretightening force and a round blank clamping method.
Background
The peeler is a special machine tool for processing the surface of a round blank. The front guide device of the peeler has the functions of enabling round blanks to smoothly enter the main machine and clamping the blanks in the cutting process so as to achieve the purpose of stable cutting.
The existing front guide and guard device of the peeling machine generally adopts a single oil cylinder to drive two guide clamping rollers through a synchronous connecting rod to realize guide and clamp round blanks, so that the problem that the round blanks can shift in position due to the action of external force in the peeling process exists, the guide clamping rollers cannot float, the clamping stability is poor, and stable cutting of a host machine is difficult to guarantee.
Disclosure of Invention
The invention aims to overcome the problems that the position of the traditional front guide and guard device of the peeler is deviated due to the action of external force in the peeling process of round blanks, and the guide clamping roller 10 cannot float and has poor clamping stability.
The invention provides a guide and guard device with pretightening force, which comprises a pretightening device, a box body and a central body fixedly arranged in the center of the box body, wherein a plurality of sliding sleeves are uniformly arranged on the periphery of the central body, the pretightening device comprises an oil cylinder and pretightening pieces, the oil cylinder is arranged at the top of the box body, at least two pretightening pieces are uniformly distributed along the periphery, piston rods of the pretightening pieces and the oil cylinder are connected through connecting rods, the sliding sleeves correspond to the pretightening pieces one by one, and the sleeves slide in the sliding sleeves of the central body.
The pre-tightening piece comprises a sliding seat, a sleeve and a clamping piece, wherein the bottom of the sliding seat is limited in the sleeve, the clamping piece is fixedly connected with the bottom of the sleeve, a piston rod of the oil cylinder is connected with the sliding seat through a connecting rod, a pressing block and a spring are arranged in the sleeve, one end of the pressing block is connected with the bottom of the sliding seat, and the other end of the pressing block is connected with the spring.
The clamping piece comprises a guide clamping roller and a roller seat, and the roller seat is fixedly connected with the bottom of the sleeve.
The upper end of the sleeve is fixedly provided with a sleeve cover, the bottom of the sliding seat penetrates through the sleeve cover to be limited in the sleeve, and the spring is in a compressed state.
The springs are combined disc springs, each combined disc spring is formed by connecting a plurality of disc springs in series, and washer openings of two adjacent disc springs face opposite directions.
Four pretensioning pieces of the pretensioning device are provided, two oil cylinders are respectively arranged on two sides of the top of the box body, and the guide clamping rollers of the two opposite pretensioning pieces are connected with the same oil cylinder through synchronous connecting rods.
The invention also provides a round blank clamping method, which uses the guide and guard device with pretightening force, comprising the steps that under the driving of two oil cylinders, two piston rods drive the sliding seat of the four pretightening devices to move, the sliding seat enables the sleeve to slide in the sliding sleeve of the central body through the pressing block compression spring, the four guide clamping rollers slide towards the center of the central body under the driving of the sleeve, the oil cylinders stop to act when the diameter of an inscribed circle of the outer contour line of the four guide clamping rollers is smaller than the diameter of the round blank by 1-3mm, and then the round blank moves forwards to prop the four guide clamping rollers into the inscribed circle formed by the four guide clamping rollers to realize clamping.
The beneficial effects of the invention are as follows:
the guide and guard device with the pretightening force provided by the invention applies pretightening force to the guide clamping roller through the belleville spring, so that the floating of the guide clamping roller in a certain range is satisfied, the round blank is effectively ensured not to deviate due to the action of external force in the peeling process, the stable clamping of the round blank is realized, the stable cutting of a host machine is ensured, the durability is high, and the maintenance amount is small.
Further details will be described below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. an oil cylinder; 2. a central body; 3. a case; 4. a connecting rod; 5. a slide; 6. briquetting; 7. a spring; 8. a sleeve; 9. a sliding sleeve; 10. a guide nip roller; 11. and a roller seat.
Detailed Description
Example 1:
the embodiment provides a guide and guard device with pretightening force, which comprises a pretightening device, a box body 3 and a central body 2 fixedly arranged at the center of the box body 3, wherein a plurality of sliding sleeves 9 are uniformly arranged on the circumference of the central body 2, the pretightening device comprises an oil cylinder 1 and pretightening pieces, the oil cylinder 1 is arranged at the top of the box body 3, the pretightening pieces are at least two and uniformly distributed along the circumference, the pretightening pieces are connected with a piston rod of the oil cylinder 1 through a connecting rod 4 in a one-to-one mode, the sliding sleeves 9 are in one-to-one correspondence with the pretightening pieces, and the sleeve 8 slides in the sliding sleeves 9 of the central body 2.
Working principle: the piston rod of the oil cylinder 1 drives the pre-tightening piece through the connecting rod 4, so that the pre-tightening piece slides along the sliding sleeve 9, moves to the center of the blank until the blank is pre-tightened and clamped, and then the blank is processed.
Example 2:
on the basis of embodiment 1, this embodiment provides a guide and guard device of pretension in advance, pretension piece includes slide 5, sleeve 8 and clamping piece, the bottom of slide 5 is restricted in sleeve 8, clamping piece and sleeve 8 bottom fixed connection, the piston rod of hydro-cylinder 1 passes through connecting rod 4 and is comparatively with slide 5, be equipped with briquetting 6 and spring 7 in the sleeve 8, briquetting 6 one end meets with the bottom of slide 5, and the other end meets with spring 7.
The clamping piece comprises a guiding clamping roller 10 and a roller seat, and the roller seat is fixedly connected with the bottom of the sleeve 8.
The specific working process is exemplified by cutting the blank:
under the drive of the oil cylinder 1, the sliding seat 5 of the pre-tightening device moves under the drive of a piston rod, the sliding seat 5 compresses the spring 7 through the pressing block 6 to enable the sleeve 8 to slide in the sliding sleeve 9 of the central body 2, the plurality of guide clamping rollers 10 slide towards the center of the central body 2 under the drive of the corresponding sleeve 8, the plurality of guide clamping rollers 10 uniformly distributed along the circumferential direction move to clamp blanks simultaneously under the drive force, the blanks enter a host machine and shake under the action of cutting force after cutting, and at the moment, the plurality of guide clamping rollers 10 float along with shaking of the blanks under the action of the drive oil cylinder 1 and the spring 7, and meanwhile stable clamping of the blanks is realized.
After cutting, the piston rod of the oil cylinder 1 is contracted, the plurality of guide clamping rollers 10 move away from the blank, and then the finished product after cutting is moved out of the peeler host machine.
Example 3:
on the basis of embodiment 2, this embodiment provides a guide and guard device with pretension as shown in fig. 1, the number of pretension parts of the pretension device is four, the number of oil cylinders 1 is two, the two oil cylinders are respectively arranged at two sides of the top of the box body 3, and the guiding clamping rollers 10 of the two opposite pretension parts are connected with the same oil cylinder 1 through the synchronous connecting rod 4.
As shown in figure 1, a central body 2 and a box body 3 are fixed together, two oil cylinders 1 are installed at the top of the box body 3, the heads of piston rods of the oil cylinders 1 are respectively hinged with two connecting rods 4, the two connecting rods 4 are respectively hinged with a sliding seat 5, the sliding seat 5 can compress a spring 7 through a pressing block 6, the pressing block 6 and the spring 7 are both installed in a sleeve 8, the sleeve 8 can slide in a sliding sleeve 9 of the central body 2, a guide clamping roller 10 is installed on a roller seat 11, the roller seat 11 is arranged on the sleeve 8, namely, the guide clamping roller 10 can also slide along the radial direction of a round blank together when the sleeve 8 slides along the sliding sleeve 9 of the central body 2 under the driving of the oil cylinders 1. Four guide clamping rollers 10 are uniformly distributed along the circumferential direction of 360 degrees, two opposite guide clamping rollers 10 are driven by one oil cylinder 1 through a synchronous connecting rod 4, and the other pair of guide clamping rollers 10 are driven by the other oil cylinder 1 through the synchronous connecting rod 4. The spring 7 is preloaded by a certain amount of compression during installation. Before the round blank enters the guide clamping roller 10, the oil cylinder 1 drives the guide clamping roller 10 to slide towards the center, the round blank stops when the diameter of an inscribed circle of the outer contour line of the four guide clamping rollers 10 is slightly smaller than the diameter of the round blank (smaller than 1-3 mm), the four guide clamping rollers 10 are unfolded when the round blank enters the guide clamping roller 10, the round blank can shake under the action of cutting force after entering the host machine for cutting, and at the moment, the four guide clamping rollers 10 float along with shaking of the blank under the action of the driving oil cylinder 1 and the spring 7, and meanwhile, stable clamping of the round blank is realized.
The upper end of the sleeve 8 is fixedly provided with a sleeve cover, the bottom of the sliding seat 5 penetrates through the sleeve cover to be limited in the sleeve 8, and the spring 7 is in a compressed state.
The springs 7 are combined disc springs, each combined disc spring is formed by connecting a plurality of disc springs in series, and washer openings of two adjacent disc springs face opposite directions. The belleville springs can bear extremely large load in a small space, have larger change performance per unit volume compared with other types of springs, have good shock absorption capacity, and particularly have the effects of absorbing impact and dissipating energy when the combination is adopted.
Example 4:
on the basis of embodiment 3, this embodiment provides a round blank clamping method, including under the drive of two hydro-cylinders 1, two piston rods drive four pretension device's slide 5 motion, slide 5 makes sleeve 8 slide in the sliding sleeve 9 of center body 2 through briquetting 6 compression spring 7, four direction grip rolls 10 slide to center of center body 2 under the drive of sleeve 8, slide to the inscribed circle diameter of the outer contour line of roll of four direction grip rolls 10 is less than round blank diameter 1-3mm hydro-cylinder 1 stop the action, then round blank forward motion struts four direction grip rolls 10 and gets into its inscribed circle that forms and realize the clamp.
The components and structures not specifically described in the above embodiments are well known in the art and commonly used structures or common means, and are not described here.
The foregoing examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention, and all designs that are the same or similar to the present invention are within the scope of the present invention.
Claims (1)
1. A round blank clamping method, characterized in that: the guide and guard device with the pretightening force comprises a pretightening device, a box body (3) and a central body (2) fixedly arranged at the center of the box body (3), wherein a plurality of sliding sleeves (9) are uniformly arranged on the periphery of the central body (2), the pretightening device comprises an oil cylinder (1) and a pretightening piece, the pretightening piece comprises a sliding seat (5), a sleeve (8) and a clamping piece, the bottom of the sliding seat (5) is limited in the sleeve (8), the clamping piece is fixedly connected with the bottom of the sleeve (8), a piston rod of the oil cylinder (1) is hinged with the sliding seat (5) through a connecting rod (4), a pressing block (6) and a spring (7) are arranged in the sleeve (8), one end of the pressing block (6) is connected with the bottom of the sliding seat (5), and the other end of the pressing block (6) is connected with the spring (7). The oil cylinder (1) is arranged at the top of the box body (3), at least two pre-tightening pieces are uniformly distributed along the circumferential direction, the pre-tightening pieces are hinged with piston rods of the oil cylinder (1) through connecting rods (4), the sliding sleeves (9) are in one-to-one correspondence with the pre-tightening pieces, and the sleeve (8) slides in the sliding sleeve (9) of the central body (2);
the springs (7) are combined disc springs, each combined disc spring is formed by connecting a plurality of disc springs in series, and washer openings of two adjacent disc springs face opposite directions;
the clamping piece comprises a guide clamping roller (10) and a roller seat (11), and the roller seat (11) is fixedly connected with the bottom of the sleeve (8);
a sleeve cover is fixedly arranged at the upper end of the sleeve (8), the bottom of the sliding seat (5) penetrates through the sleeve cover and is limited in the sleeve (8), and the spring (7) is in a compressed state;
four pre-tightening pieces of the pre-tightening device are arranged, two oil cylinders (1) are respectively arranged at two sides of the top of the box body (3), and guide clamping rollers (10) of the two opposite pre-tightening pieces are connected with the same oil cylinder (1) through synchronous connecting rods (4);
under the drive of two oil cylinders (1), two piston rods drive sliding seats (5) of four pre-tightening devices to move, the sliding seats (5) compress springs (7) through pressing blocks (6) to enable sleeves (8) to slide in sliding sleeves (9) of a central body (2), four guide clamping rollers (10) slide towards the center of the central body (2) under the drive of the sleeves (8), the oil cylinders (1) stop moving when the diameter of an inscribed circle of a roller-shaped outer contour line of the four guide clamping rollers (10) is smaller than the diameter of a round blank by 1-3mm, and then the round blank moves forwards to prop open the four guide clamping rollers (10) into the inscribed circle formed by the round blank to achieve clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710599698.7A CN107225431B (en) | 2017-07-21 | 2017-07-21 | Guide and guard device with pretightening force and round blank clamping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710599698.7A CN107225431B (en) | 2017-07-21 | 2017-07-21 | Guide and guard device with pretightening force and round blank clamping method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107225431A CN107225431A (en) | 2017-10-03 |
| CN107225431B true CN107225431B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710599698.7A Active CN107225431B (en) | 2017-07-21 | 2017-07-21 | Guide and guard device with pretightening force and round blank clamping method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107225431B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293470A (en) * | 2019-07-09 | 2019-10-01 | 长沙秋点兵信息科技有限公司 | Automobile part injection mold with polishing function |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057418A (en) * | 1990-06-16 | 1992-01-01 | 基瑟林格和阿尔贝特公司 | The bar of axially-movable be not in the mood for radial guide means |
| DE4122948A1 (en) * | 1991-07-11 | 1993-01-14 | Kieserling & Albrecht | Guide system for rods in paring or shelling machine using guide rollers - has spring loaded rollers arranged radially around machine centre, and unit for measuring position of roller holder relative to slider to match dia. of rod being paired |
| RU2021105C1 (en) * | 1991-06-17 | 1994-10-15 | Николай Николаевич Цвилынюк | Device for pressing milling cutters against trunk in trunk-cutting machine |
| DE102004047556A1 (en) * | 2004-09-30 | 2006-04-06 | Dieter Figge | Back-up roller for four-high stand slabbing mill roll, has elastically deformable cone rings, which are pressed axially between supporting rings and core of roller by hydraulic cylinder to connect supporting rings and shell |
| CN201711579U (en) * | 2010-07-12 | 2011-01-19 | 孝感伟翔数控机床有限公司 | Crankshaft end face cutting equipment |
| CN202185757U (en) * | 2011-08-18 | 2012-04-11 | 江阴东辰机械制造股份有限公司 | Centering clamping device |
| CN103011004A (en) * | 2012-12-17 | 2013-04-03 | 四川矿山机器（集团）有限责任公司 | Real-time monitoring disk brake with pressure sensor |
| CN203031060U (en) * | 2013-01-28 | 2013-07-03 | 宁波市镇海元益机电制造有限公司 | Equipment capable of automatically cutting two grooves on long shaft |
| CN203542302U (en) * | 2013-09-29 | 2014-04-16 | 国家电网公司 | 35-110kV cable terminal peeling-cutting polisher |
| JP2014124732A (en) * | 2012-12-27 | 2014-07-07 | Koyo Mach Ind Co Ltd | Work clamp method, work clamp device, work plane grinding method and work plane grinder |
| CN204635022U (en) * | 2015-05-15 | 2015-09-16 | 广西科技大学 | A kind of sugarcane-peeling machine |
| CN204845314U (en) * | 2015-08-03 | 2015-12-09 | 温岭市创嘉信息科技有限公司 | Automatic clamping device of column work piece engraver |
| EP2960026A1 (en) * | 2014-06-24 | 2015-12-30 | Söderhamn Eriksson AB | Feeding device for axial feed of log |
| CN105397128A (en) * | 2015-12-24 | 2016-03-16 | 成都好特精密机械有限公司 | Floating clamping mechanism for bars |
| CN105537627A (en) * | 2016-03-02 | 2016-05-04 | 北京瀚川鑫冶工程技术有限公司 | Claw-type surrounding-type rod or wire or tube peeling machining guiding device and equipment |
| CN106863522A (en) * | 2017-02-21 | 2017-06-20 | 山东百圣源集团有限公司 | Log auto peeling machine |
| CN207387205U (en) * | 2017-07-21 | 2018-05-22 | 中国重型机械研究院股份公司 | A kind of guide and guards with pretightning force |
-
2017
- 2017-07-21 CN CN201710599698.7A patent/CN107225431B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057418A (en) * | 1990-06-16 | 1992-01-01 | 基瑟林格和阿尔贝特公司 | The bar of axially-movable be not in the mood for radial guide means |
| RU2021105C1 (en) * | 1991-06-17 | 1994-10-15 | Николай Николаевич Цвилынюк | Device for pressing milling cutters against trunk in trunk-cutting machine |
| DE4122948A1 (en) * | 1991-07-11 | 1993-01-14 | Kieserling & Albrecht | Guide system for rods in paring or shelling machine using guide rollers - has spring loaded rollers arranged radially around machine centre, and unit for measuring position of roller holder relative to slider to match dia. of rod being paired |
| DE102004047556A1 (en) * | 2004-09-30 | 2006-04-06 | Dieter Figge | Back-up roller for four-high stand slabbing mill roll, has elastically deformable cone rings, which are pressed axially between supporting rings and core of roller by hydraulic cylinder to connect supporting rings and shell |
| CN201711579U (en) * | 2010-07-12 | 2011-01-19 | 孝感伟翔数控机床有限公司 | Crankshaft end face cutting equipment |
| CN202185757U (en) * | 2011-08-18 | 2012-04-11 | 江阴东辰机械制造股份有限公司 | Centering clamping device |
| CN103011004A (en) * | 2012-12-17 | 2013-04-03 | 四川矿山机器（集团）有限责任公司 | Real-time monitoring disk brake with pressure sensor |
| JP2014124732A (en) * | 2012-12-27 | 2014-07-07 | Koyo Mach Ind Co Ltd | Work clamp method, work clamp device, work plane grinding method and work plane grinder |
| CN203031060U (en) * | 2013-01-28 | 2013-07-03 | 宁波市镇海元益机电制造有限公司 | Equipment capable of automatically cutting two grooves on long shaft |
| CN203542302U (en) * | 2013-09-29 | 2014-04-16 | 国家电网公司 | 35-110kV cable terminal peeling-cutting polisher |
| EP2960026A1 (en) * | 2014-06-24 | 2015-12-30 | Söderhamn Eriksson AB | Feeding device for axial feed of log |
| CN204635022U (en) * | 2015-05-15 | 2015-09-16 | 广西科技大学 | A kind of sugarcane-peeling machine |
| CN204845314U (en) * | 2015-08-03 | 2015-12-09 | 温岭市创嘉信息科技有限公司 | Automatic clamping device of column work piece engraver |
| CN105397128A (en) * | 2015-12-24 | 2016-03-16 | 成都好特精密机械有限公司 | Floating clamping mechanism for bars |
| CN105537627A (en) * | 2016-03-02 | 2016-05-04 | 北京瀚川鑫冶工程技术有限公司 | Claw-type surrounding-type rod or wire or tube peeling machining guiding device and equipment |
| CN106863522A (en) * | 2017-02-21 | 2017-06-20 | 山东百圣源集团有限公司 | Log auto peeling machine |
| CN207387205U (en) * | 2017-07-21 | 2018-05-22 | 中国重型机械研究院股份公司 | A kind of guide and guards with pretightning force |
Non-Patent Citations (1)
| Title |
|---|
| 郝瑾等 ; .新型圆坯料复合夹紧装置的研制.重型机械.2016,(06),全文. * |
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| CN107225431A (en) | 2017-10-03 |
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