CN110153236A - A kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision - Google Patents
A kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision Download PDFInfo
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- CN110153236A CN110153236A CN201910543444.2A CN201910543444A CN110153236A CN 110153236 A CN110153236 A CN 110153236A CN 201910543444 A CN201910543444 A CN 201910543444A CN 110153236 A CN110153236 A CN 110153236A
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- shift fork
- pedestal
- hydraulic hammer
- workbench
- machine vision
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000012937 correction Methods 0.000 claims abstract description 20
- 238000007689 inspection Methods 0.000 claims abstract description 20
- 102000004315 Forkhead Transcription Factors Human genes 0.000 claims description 15
- 108090000852 Forkhead Transcription Factors Proteins 0.000 claims description 15
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/16—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially adapted methods or means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The shift fork deformation based on machine vision that the invention discloses a kind of detects automatically and apparatus for correcting, including pedestal, workbench, positioning plate, clamp system, vision inspection apparatus and hydraulic straightening machine structure, is detected and corrected for the shift fork foot deformation to gearshift fork blank;Pedestal and its workbench of top provide the working space of shift fork detection and correction;Positioning plate is located at worktable upper surface, positions for shift fork;Clamp system is located at the side of workbench above pedestal, is clamped to shift fork to be checked and auxiliary positioning;Vision inspection apparatus is located at the other side of workbench above pedestal, for carrying out vision-based detection to the shift fork clamped after positioning and detecting deflection;Hydraulic straightening machine structure is located on workbench in the cavity of pedestal, and the deflection for being detected according to sighting device corrects shift fork accordingly.The device can not only accurately detect the deflection of shift fork blank, and can correction rapidly and efficiently, save human cost, improve shift fork production efficiency.
Description
Technical field
The invention belongs to Machine Vision Detections and size to correct field, be related to automobile gearshift fork, lathe governing box
A kind of shift fork etc., and in particular to automatic detection of shift fork deformation and apparatus for correcting based on machine vision.
Background technique
Automobile gearshift fork is for stirring the part of synchronizer in speed changer, and commercial vehicle transmission selector fork is main
For cast steel material, blank after casting causes to have a downwarp on shift fork foot due to factors such as thin-wall part expanded by heating and internal stresses releases
Song deformation, and then influence the opening size of shift fork.
Currently, shift fork manufacturing enterprise mainly using manually beat mode correct shift fork deformation, need worker experience and
Biggish physical strength.The artificial orthosis of shift fork needs repeated multiple times beat could complete, there are error uncertainty, efficiency it is lower,
The problems such as poor consistency of size.
Summary of the invention
For the above-mentioned problems in the prior art, the shift fork deformation based on machine vision that the present invention provides a kind of is certainly
Dynamic detection and apparatus for correcting, the device can not only accurately detect the deflection of shift fork blank, and can correction rapidly and efficiently,
Human cost has been saved, shift fork production efficiency is improved.
For this purpose, the invention adopts the following technical scheme:
A kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision, including pedestal, workbench, positioning plate,
Clamp system, vision inspection apparatus, hydraulic straightening machine structure, for gearshift fork blank shift fork foot deformation carry out detection and
Correction;The pedestal is located at bottom, for providing basis and support;The workbench is located at the top of pedestal, for providing
The working space of shift fork detection and correction;The positioning plate is located at the upper surface of workbench, positions for shift fork;The clamping machine
Structure is located at the side of workbench above pedestal, for being clamped to shift fork to be checked and auxiliary positioning;The vision inspection apparatus
The other side of workbench above pedestal, for carrying out vision-based detection to the shift fork clamped after positioning and detecting deflection;
The hydraulic straightening machine structure be located on workbench and the cavity of pedestal in, the deflection for being detected according to vision inspection apparatus
Shift fork is corrected accordingly.
Preferably, the vision inspection apparatus includes machine vision equipment, position adjusting sleeve, support rod;The support
Bar is fixed on the base, and the position adjusts sleeve and is located on support rod, for connecting machine vision equipment and support rod and adjusting
The position of whole machine vision equipment.
Preferably, the machine vision equipment is in monocular cam, binocular camera or laser radar sensor
It is a kind of.Binocular camera can be CCD or CMOS.
Preferably, the clamp system includes locating shaft, key-bolt, and the locating shaft and positioning plate are integrated, with positioning plate
It replaces together;Key-bolt is located on workbench, and shift fork is mounted on locating shaft, and key-bolt is located at the side of locating shaft, for pair
Shift fork positioning clamps;Stepper motor and transmission mechanism are equipped in base cavity, for driving key-bolt to clamp shift fork.
Preferably, shift fork includes shift fork head and shift fork foot, and the shift fork head is mounted on locating shaft, the shift fork foot direction
Vision inspection apparatus one end;The pilot hole and locating shaft of shift fork head form clearance fit, and the pin of the front end of key-bolt, which protrudes into, to be dialled
The circumferentially positioned hole of plug positions and is clamped for realizing shift fork.
Preferably, the hydraulic straightening machine structure includes including the first hydraulic hammer, the second hydraulic hammer, support frame, bearing, steering
Gear, steering motor, steering motor support, swivel bearing, hydraulic hammer support rod;The hydraulic hammer support rod is fixed on pedestal
On, support frame as described above is located at the top of hydraulic hammer support rod, and on the support frame, described first is hydraulic for the second hydraulic hammer installation
Hammer is located in the fluting of workbench, and the second hydraulic hammer and the first hydraulic hammer are arranged up and down, for correcting to shift fork;The axis
Hold the upper and lower side that support frame is located at swivel bearing, the steering for the second hydraulic hammer;The tooth sector, steering motor
It is connected on hydraulic hammer support rod by steering motor support, for driving the second hydraulic hammer to turn to.
Preferably, first hydraulic hammer is mounted on the intracavitary of pedestal, the driving motor by being arranged in pedestal and
Corresponding gear mechanism drives it to move below shift fork.
Preferably, support frame as described above is able to carry out the rotation of 180 degree;First hydraulic hammer and the second hydraulic hammer can be
Single-acting formula or double-acting type, the displacement to move up and down is by Driven by Hydraulic Cylinder.
Preferably, further include computer system, the computer system respectively with clamp system, vision inspection apparatus, liquid
Correction mechanism connection is pressed, the clamping for controlling shift fork respectively is positioned, detects and corrected.
Preferably, the pedestal is cavity body structure, is made of No. 45 steel;The workbench is made of cast iron.
Compared with prior art, the beneficial effects of the present invention are:
(1) it will test and be integrated in a device with correcting function, avoid multiple clamping, pass through vision measurement and software
Analysis replaces artificial experience, has achieved the purpose that accurate detection, correction and has improved production efficiency.
(2) it replaces manually, being automatically performed work, saving worker's physical strength with electronic;Experienced worker is no longer needed, it should
Device is easy to operate, reduces labour cost.
(3) facilitate detection and correction, it is high-efficient;Error after correction is controllable;Replacing positioning device can be on one device
Complete the detection and correction of Multiple Type shift fork.
(4) structure is simple, and accuracy of identification reaches micron order, accurately controls the rebound of shift fork foot, straightening is accurate, Neng Gouji
Big reduction cost of labor, the raising quality of production and production efficiency.
Detailed description of the invention
Fig. 1 is a kind of structure of automatic detection of shift fork deformation and apparatus for correcting based on machine vision provided by the present invention
Schematic diagram.
Fig. 2 is a kind of main view of automatic detection of shift fork deformation and apparatus for correcting based on machine vision provided by the present invention
Figure.
Fig. 3 is a kind of right view of automatic detection of shift fork deformation and apparatus for correcting based on machine vision provided by the present invention
Figure.
Fig. 4 is a kind of vertical view of automatic detection of shift fork deformation and apparatus for correcting based on machine vision provided by the present invention
Figure.
Description of symbols: 1, machine vision equipment;2, position adjusts sleeve;3, support rod;4, pedestal;5, workbench;
6, the first hydraulic hammer;7, shift fork foot;8, the second hydraulic hammer;9, support frame;10, bearing;11, tooth sector;12, steering motor;
13, steering motor support;14, swivel bearing;15, hydraulic hammer support rod;16, locating shaft;17, shift fork head;18, key-bolt;
19, positioning plate.
Specific embodiment
With reference to the accompanying drawing and specific embodiment come the present invention will be described in detail, specific embodiment therein and explanation only
For explaining the present invention, but it is not as a limitation of the invention.
As Figure 1-Figure 4, detection and correction fill automatically for the shift fork deformation based on machine vision that the invention discloses a kind of
It sets, including pedestal 4, workbench 5, positioning plate 19, clamp system, vision inspection apparatus, hydraulic straightening machine structure, for speed changer
The shift fork foot deformation of shift fork blank is detected and is corrected;The pedestal 4 is located at bottom, for providing basis and support;Institute
The top that workbench 5 is located at pedestal 4 is stated, for providing the working space of shift fork detection and correction;The positioning plate 19 is located at work
Make the upper surface of platform 5, is positioned for shift fork;The clamp system is located at the side of 4 top workbench 5 of pedestal, for to be checked
Shift fork is clamped and auxiliary positioning;The vision inspection apparatus is located at the other side of 4 top workbench 5 of pedestal, for folder
Shift fork behind tightening position carries out vision-based detection and detects deflection;The hydraulic straightening machine structure is located on workbench 5 and pedestal 4
Cavity in, the deflection for being detected according to vision inspection apparatus corrects shift fork accordingly.
Specifically, the vision inspection apparatus includes machine vision equipment 1, position adjusting sleeve 2, support rod 3;The branch
Strut 3 is fixed on pedestal 4, and the position adjusts sleeve 2 and is located on support rod 3, for connecting machine vision equipment 1 and support
Bar 3 and the position for adjusting machine vision equipment 1.
Specifically, the machine vision equipment 1 is in monocular cam, binocular camera or laser radar sensor
It is a kind of.
Specifically, the clamp system includes locating shaft 16, key-bolt 18, and the locating shaft 16 and positioning plate 19 are integrated,
It is replaced with positioning plate 19;Key-bolt 18 is located on workbench 5, and shift fork is mounted on locating shaft 16, and key-bolt 18 is located at fixed
The side of position axis 16, clamps for positioning to shift fork;Pedestal 4 is intracavitary to be equipped with stepper motor and transmission mechanism, for driving screw rod
Pin 18 clamps shift fork.
Specifically, shift fork includes shift fork head 17 and shift fork foot 7, and the shift fork head 17 is mounted on locating shaft 16, and described group
Prong 7 is towards vision inspection apparatus one end;The pilot hole of shift fork head 17 and locating shaft 16 form clearance fit, before key-bolt 18
The pin at end protrudes into the circumferentially positioned hole of shift fork head 17, positions and clamps for realizing shift fork.
Specifically, the hydraulic straightening machine structure includes including the first hydraulic hammer 6, the second hydraulic hammer 8, support frame 9, bearing
10, tooth sector 11, steering motor 12, steering motor support 13, swivel bearing 14, hydraulic hammer support rod 15;It is described hydraulic
Hammer support rod 15 is fixed on pedestal 4, and support frame as described above 9 is located at the top of hydraulic hammer support rod 15, and second hydraulic hammer 8 is pacified
On support frame 9, first hydraulic hammer 6 is located in the fluting of workbench 5, the second hydraulic hammer 8 and the first about 6 hydraulic hammer
Arrangement, for being corrected to shift fork;The bearing 10 and swivel bearing 14 are located at the upper and lower side of support frame 9, for the
The steering of two hydraulic hammers 8;The tooth sector 11, steering motor 12 are connected to hydraulic hammer support by steering motor support 13
On bar 15, for driving the second hydraulic hammer 8 to turn to.
Specifically, first hydraulic hammer 6 is mounted on the intracavitary of pedestal 4, by the driving motor that is arranged in pedestal 4 with
And corresponding gear mechanism drives it to move below shift fork.
Specifically, support frame as described above 9 is able to carry out the rotation of 180 degree;First hydraulic hammer 6 and the second hydraulic hammer 8 can
To be single-acting formula or double-acting type, the displacement to move up and down is by Driven by Hydraulic Cylinder.
Specifically, further include computer system, the computer system respectively with clamp system, vision inspection apparatus, liquid
Correction mechanism connection is pressed, the clamping for controlling shift fork respectively is positioned, detects and corrected.
Specifically, the pedestal 4 is cavity body structure, is made of No. 45 steel;The workbench 5 is made of cast iron.
Embodiment
A kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision, including pedestal 4, workbench 5, binocular vision
Feel industry camera, camera support rod 3, hydraulic straightening machine structure, hydraulic hammer support rod 15, support frame 9, electronic positioning clamping machine
Structure, workbench 5 are mounted on pedestal 4, workbench 5 be equipped with electronic positioning and clamping mechanism, by motor, transmission shaft, key-bolt 18,
Locating shaft 16 forms, and shift fork head 17 is inserted on locating shaft 16, and the motor work intracavitary positioned at pedestal 4 drives key-bolt 18 to be rotated into
In the location hole for entering 17 side of shift fork head, shift fork is fixed on workbench 5.Camera support rod is installed on the left of workbench 5
3, binocular camera is located at 3 top of support rod.Hydraulic straightening machine structure is mainly by hydraulic hammer support rod 15, support frame 9, steering motor
12, steering motor support 13, tooth sector 11, the first hydraulic hammer 6 and the second hydraulic hammer 8 composition, hydraulic hammer support rod 15 are pacified
Mounted in 5 right side of workbench, support frame 9 is mounted on hydraulic hammer support rod 15, and correction shift fork foot 7 is equipped on support frame 9 and is upwarped
The second hydraulic hammer 8, and support frame 9 can by steering motor 12 drive on hydraulic hammer support rod 15 180 degree rotate, for correcting
Two shift fork feet 7 upwarped.It is mounted in the fluting of workbench 5 for correcting the first hydraulic hammer 6 that shift fork foot 7 has a downwarp, and by
The intracavitary driving motor of pedestal 4 drives the first hydraulic hammer 6 to move in fluting, corrects to two having a downwarp for shift fork foot 7.The
One hydraulic hammer 6, the second hydraulic hammer 8 and binocular camera are connected to computer, the figure that computer shoots binocular camera by data line
Piece carries out space coordinate processing, deflection is converted into torque signals is transferred to hydraulic hammer correcting.
The course of work of the device is as follows:
Firstly, shift fork is installed on locating shaft, start the positioning motor in base cavity, driving drive rod revolves key-bolt
The location hole on shift fork head is rotated into, the positioning of shift fork is completed.Secondly, the shift fork part of different model is in turn fixed to workbench
On, it is successively taken pictures to different model without the standard shift fork of deformation using binocular camera, picture is passed in computer and is carried out
The calibration of shift fork space coordinate;Globe coordinate system is established in computer, and the shift fork in picture is extracted into feature using the coordinate system
Assign coordinate value storage in software, then to shift fork part to be detected using the same manner obtain coordinate value, computer by pair
Deflection is detected than coordinate value.Finally, the first hydraulic hammer and the second hydraulic hammer are controlled by computer, impact force adjustable range
For 0-100kN, hydraulic straightening machine structure can satisfy correction requirement of the angularity within the scope of 0.01mm-3mm, and control system will be examined
The coordinate deformation signal measured is converted into torque signals and passes to corresponding hydraulic correction hammer, realizes the function of correction.
Here binocular camera uses binocular VIC-3D camera.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to restrict the invention, all in essence of the invention
Made any modification, equivalent replacement and improvement etc., should be included in protection scope of the present invention within mind and spirit
Within.
Claims (10)
1. a kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision, including pedestal (4), workbench (5), positioning
Plate (19), clamp system, vision inspection apparatus, hydraulic straightening machine structure, for the shift fork foot to gearshift fork blank deform into
Row detection and correction, it is characterised in that: the pedestal (4) is located at bottom, for providing basis and support;The workbench
(5) it is located at the top of pedestal (4), for providing the working space of shift fork detection and correction;The positioning plate (19) is located at work
The upper surface of platform (5) is positioned for shift fork;The clamp system is located at the side of workbench (5) above pedestal (4), for pair
Shift fork to be checked is clamped and auxiliary positioning;The vision inspection apparatus is located at the other side of workbench (5) above pedestal (4),
For carrying out vision-based detection to the shift fork clamped after positioning and detecting deflection;The hydraulic straightening machine structure is located at workbench
(5) on and in the cavity of pedestal (4), the deflection for being detected according to vision inspection apparatus rectifys shift fork accordingly
Just.
2. a kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision according to claim 1, feature
Be: the vision inspection apparatus includes machine vision equipment (1), position adjusting sleeve (2), support rod (3);The support rod
(3) it is fixed on pedestal (4), the position adjusts sleeve (2) and is located on support rod (3), for connecting machine vision equipment (1)
With support rod (3) and adjust the position of machine vision equipment (1).
3. a kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision according to claim 2, feature
Be: the machine vision equipment (1) is one of monocular cam, binocular camera or laser radar sensor.
4. a kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision according to claim 1, feature
Be: the clamp system includes locating shaft (16), key-bolt (18), and the locating shaft (16) and positioning plate (19) are integrated, with
Positioning plate (19) is replaced together;Key-bolt (18) is located on workbench (5), and shift fork is mounted on locating shaft (16), key-bolt
(18) it is located at the side of locating shaft (16), is clamped for being positioned to shift fork;Pedestal (4) is intracavitary to be equipped with stepper motor and driver
Structure, for driving key-bolt (18) to clamp shift fork.
5. a kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision according to claim 4, feature
Be: shift fork includes shift fork head (17) and shift fork foot (7), and the shift fork head (17) is mounted on locating shaft (16), the shift fork
Foot (7) is towards vision inspection apparatus one end;The pilot hole of shift fork head (17) and locating shaft (16) form clearance fit, key-bolt
(18) pin of front end protrudes into the circumferentially positioned hole of shift fork head (17), positions and clamps for realizing shift fork.
6. a kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision according to claim 1, feature
Be: the hydraulic straightening machine structure include including the first hydraulic hammer (6), the second hydraulic hammer (8), support frame (9), bearing (10),
Tooth sector (11), steering motor (12), steering motor support (13), swivel bearing (14), hydraulic hammer support rod (15);Institute
It states hydraulic hammer support rod (15) to be fixed on pedestal (4), support frame as described above (9) is located at the top of hydraulic hammer support rod (15), institute
The second hydraulic hammer (8) to be stated to be mounted on support frame (9), first hydraulic hammer (6) is located in the fluting of workbench (5), and second
Hydraulic hammer (8) and the first hydraulic hammer (6) are arranged up and down, for correcting to shift fork;The bearing (10) and swivel bearing
(14) it is located at the upper and lower side of support frame (9), is used for the steering of the second hydraulic hammer (8);The tooth sector (11) turns to electricity
Machine (12) is connected on hydraulic hammer support rod (15) by steering motor support (13), for driving the second hydraulic hammer (8) to turn
To.
7. a kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision according to claim 6, feature
Be: first hydraulic hammer (6) is mounted on the intracavitary of pedestal (4).
8. a kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision according to claim 6, feature
Be: support frame as described above (9) is able to carry out the rotation of 180 degree;First hydraulic hammer (6) and the second hydraulic hammer (8) can be
Single-acting formula or double-acting type, the displacement to move up and down is by Driven by Hydraulic Cylinder.
9. a kind of automatic detection of shift fork deformation and apparatus for correcting based on machine vision according to claim 1, feature
Be: further including computer system, the computer system respectively with clamp system, vision inspection apparatus, hydraulic straightening machine structure
Connection, the clamping for controlling shift fork respectively are positioned, detect and are corrected.
10. a kind of automatic detection of shift fork deformation and correction based on machine vision according to any one of claim 1 to 9
Device, it is characterised in that: the pedestal (4) is cavity body structure, is made of No. 45 steel;The workbench (5) uses cast iron system
At.
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Cited By (3)
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CN112643055A (en) * | 2020-12-16 | 2021-04-13 | 重庆机电增材制造有限公司 | Part warp deformation correcting device |
CN113458159A (en) * | 2020-03-31 | 2021-10-01 | 宝山钢铁股份有限公司 | Method for detecting upwarp amount of hot-rolled finish-rolled strip steel |
CN116571597A (en) * | 2023-07-11 | 2023-08-11 | 磐吉奥科技股份有限公司 | Shifting fork shaping equipment |
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CN113458159A (en) * | 2020-03-31 | 2021-10-01 | 宝山钢铁股份有限公司 | Method for detecting upwarp amount of hot-rolled finish-rolled strip steel |
CN112643055A (en) * | 2020-12-16 | 2021-04-13 | 重庆机电增材制造有限公司 | Part warp deformation correcting device |
CN116571597A (en) * | 2023-07-11 | 2023-08-11 | 磐吉奥科技股份有限公司 | Shifting fork shaping equipment |
CN116571597B (en) * | 2023-07-11 | 2023-10-31 | 磐吉奥科技股份有限公司 | Shifting fork shaping equipment |
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