CN219053648U - Deflection angle machining clamp for saw blade milling cutter - Google Patents

Deflection angle machining clamp for saw blade milling cutter Download PDF

Info

Publication number
CN219053648U
CN219053648U CN202223439160.5U CN202223439160U CN219053648U CN 219053648 U CN219053648 U CN 219053648U CN 202223439160 U CN202223439160 U CN 202223439160U CN 219053648 U CN219053648 U CN 219053648U
Authority
CN
China
Prior art keywords
milling cutter
internal thread
trapezoidal
blade milling
cavity
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.)
Active
Application number
CN202223439160.5U
Other languages
Chinese (zh)
Inventor
朱一新
朱弘嘉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changshu Qingong Hardware & Tools Machinery Co ltd
Original Assignee
Changshu Qingong Hardware & Tools Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changshu Qingong Hardware & Tools Machinery Co ltd filed Critical Changshu Qingong Hardware & Tools Machinery Co ltd
Priority to CN202223439160.5U priority Critical patent/CN219053648U/en
Application granted granted Critical
Publication of CN219053648U publication Critical patent/CN219053648U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Milling Processes (AREA)

Abstract

The utility model provides a fixture for processing a deflection angle of a saw blade milling cutter. The fixture for processing the deflection angle of the saw blade milling cutter comprises: the processing table is provided with a pushing and rotating mechanism, two clamp adjusting mechanisms and a moving mechanism; the pushing and rotating mechanism comprises a trapezoidal table, a vertical plate, two first fixing plates, two first electric push rods, two mounting plates, two circular blocks, two annular tooth grooves, two first motors and two circular gears, wherein the trapezoidal table is slidably mounted at the top of the processing table, the vertical plate is fixedly mounted at the top of the trapezoidal table, the two first fixing plates are fixedly mounted at the top of the processing table, and the two first electric push rods are fixedly mounted on one side outer wall of the two first fixing plates respectively. The deflection angle processing clamp for the saw blade milling cutter has the advantages that the processing position can be adjusted after the workpiece is clamped, and the distance between the clamps can be adjusted according to different workpieces.

Description

Deflection angle machining clamp for saw blade milling cutter
Technical Field
The utility model belongs to the technical field of machining fixtures, and particularly relates to a fixture for machining a deflection angle of a saw blade milling cutter.
Background
The jig is a device for fixing a machining object in a machine manufacturing process so as to occupy a correct position for performing a construction or a detection.
In the related art, disclose carbide saw bit milling cutter declination adds clamping apparatus, including work platform, work platform's lower extreme surface is provided with the fixing base, work platform's upper end surface one side is provided with the spout, the rear end surface of spout is provided with bolt d, the top of spout is provided with C type support, C type support's upper end surface is provided with bolt a, C type support's front end surface is provided with the longeron, one side of longeron is provided with the fixed plate, the front end surface of fixed plate is provided with bolt b, one side of fixed plate is provided with splint, one side surface of splint is close to the upper end surface of longeron is provided with bolt C, and it can simply fix the work piece on work platform through being provided with splint, fixed plate and longeron, through twisting bolt a, bolt b and bolt C, is favorable to the further clamp of work piece
However, the above structure has the disadvantage that the processing position cannot be adjusted, so that the working efficiency is low, the labor force is wasted when the structure is used, the distance between the clamps cannot be adjusted when different workpieces are processed, and the application range is small.
Therefore, it is necessary to provide a new fixture for processing the deflection angle of the saw blade milling cutter to solve the technical problems.
Disclosure of Invention
The utility model solves the technical problem of providing the milling cutter deflection angle processing clamp for the saw blade, which can adjust the processing position after clamping a workpiece and can adjust the distance between the clamps according to different workpieces.
In order to solve the technical problems, the fixture for processing the deflection angle of the saw blade milling cutter provided by the utility model comprises: the processing table is provided with a pushing and rotating mechanism, two clamp adjusting mechanisms and a moving mechanism;
the pushing and rotating mechanism comprises a trapezoidal table, a vertical plate, two first fixing plates, two first electric push rods, two mounting plates, two circular blocks, two annular tooth sockets, two first motors and two circular gears, wherein the trapezoidal table is slidably mounted on the top of the processing table, the vertical plate is fixedly mounted on the top of the trapezoidal table, the two first fixing plates are fixedly mounted on the top of the processing table, the two first electric push rods are fixedly mounted on the outer wall of one side of the two first fixing plates respectively, one end of each first electric push rod is fixedly connected with the trapezoidal table, the two mounting plates are slidably mounted on the outer wall of one side of the vertical plate, the two circular blocks are rotatably mounted on the two mounting plates respectively, the two annular tooth sockets are formed on the two circular blocks respectively, the two first motors are fixedly mounted on the side, away from each other, the two circular gears are fixedly mounted on the output shafts of the two first motors respectively, and the two circular gears are meshed with the two annular tooth sockets respectively;
the fixture adjusting mechanism comprises a second fixing plate, a second electric push rod, a first cavity, a double-shaft motor, two first threaded rods, two first internal thread sliding blocks and two clamping plates, wherein the second fixing plate is fixedly installed on the outer wall of one side of the vertical plate, the second electric push rod is fixedly installed on the second fixing plate, one end of the second electric push rod is fixedly connected with the mounting plate, the first cavity is formed in the circular block, the double-shaft motor is fixedly installed in the first cavity, the two first threaded rods are fixedly installed on two output shafts of the double-shaft motor respectively, one ends, away from each other, of the two first threaded rods are rotationally connected with the inner wall of the first cavity, the two first internal thread sliding blocks are respectively arranged on the two first threaded rods in a threaded sleeved mode, one side of each first internal thread sliding block is extended out of the circular block, and the two clamping plates are respectively fixedly installed on the two first internal thread sliding blocks.
As a further scheme of the utility model, the moving mechanism comprises a second cavity, a second motor, a second threaded rod, a second internal thread slider, a rectangular plate and a saw blade milling cutter, wherein the second cavity is arranged on a processing table, the second motor is fixedly arranged on one side inner wall of the second cavity, the second threaded rod is fixedly arranged on an output shaft of the second motor, one end of the second threaded rod is rotatably connected with one side inner wall of the second cavity, the second internal thread slider is in threaded sleeve arrangement on the second threaded rod, the top of the second internal thread slider extends out of the processing table, the rectangular plate is fixedly arranged on the top of the second internal thread slider, and the saw blade is arranged on the rectangular plate.
As a further scheme of the utility model, two trapezoidal sliding rails are fixedly arranged at the top of the processing table, two trapezoidal sliding grooves are formed in the bottom of the trapezoidal table, and the two trapezoidal sliding rails are respectively matched with the two trapezoidal sliding grooves.
As a further scheme of the utility model, two strip-shaped grooves are formed in the outer wall of one side of the vertical plate, fixing rods are fixedly arranged in the two strip-shaped grooves, two rectangular sliding blocks are sleeved on the two fixing rods in a sliding mode, and one sides of the four rectangular sliding blocks are fixedly connected with the two mounting plates respectively.
As a further scheme of the utility model, two first strip-shaped openings are formed in the outer wall of one side of the round block, and the two first internal thread sliding blocks penetrate through the two first strip-shaped openings respectively and are connected with the two strip-shaped openings in a sliding mode respectively.
As a further scheme of the utility model, a second strip-shaped opening is formed in the top of the processing table, and the second internal thread sliding block penetrates through the second strip-shaped opening and is in sliding connection with the second strip-shaped opening.
Compared with the related art, the deflection angle processing clamp for the saw blade milling cutter has the following beneficial effects:
1. according to the utility model, the pushing and rotating mechanism is arranged, so that the clamped workpiece can be processed close to the saw blade milling cutter and can be rotated;
2. according to the utility model, the clamp adjusting mechanism is arranged, so that the distance between the clamps can be adjusted according to different workpieces, and thus workpieces with different lengths can be clamped;
3. according to the utility model, the position of the saw blade milling cutter can be adjusted by arranging the moving mechanism, so that the machining position can be adjusted.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic top view of a fixture for machining a deflection angle of a saw blade milling cutter according to the present utility model;
FIG. 2 is a schematic diagram of a front cross-sectional view of the fixture for machining the offset angle of the saw blade milling cutter according to the present utility model;
FIG. 3 is a schematic diagram of a partial side cross-sectional structure of the present utility model;
fig. 4 is a schematic structural view of a moving mechanism in the present utility model.
In the figure: 1. a processing table; 2. a trapezoidal table; 3. a riser; 4. a first fixing plate; 5. a first electric push rod; 6. a mounting plate; 7. a circular block; 8. annular tooth slots; 9. a first motor; 10. a circular gear; 11. a second fixing plate; 12. a second electric push rod; 13. a first cavity; 14. a biaxial motor; 15. a first threaded rod; 16. a first internally threaded slider; 17. a clamping plate; 18. a second cavity; 19. a second motor; 20. a second threaded rod; 21. a second internally threaded slider; 22. a rectangular plate; 23. saw blade milling cutter.
Detailed Description
Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, fig. 1 is a schematic top view of a fixture for processing a deflection angle of a saw blade milling cutter according to the present utility model; FIG. 2 is a schematic diagram of a front cross-sectional view of the fixture for machining the offset angle of the saw blade milling cutter according to the present utility model; FIG. 3 is a schematic diagram of a partial side cross-sectional structure of the present utility model; fig. 4 is a schematic structural view of a moving mechanism in the present utility model. The fixture for processing the deflection angle of the saw blade milling cutter comprises: the machining device comprises a machining table 1, wherein a pushing and rotating mechanism, two clamp adjusting mechanisms and a moving mechanism are arranged on the machining table 1;
the pushing and rotating mechanism comprises a trapezoidal table 2, a vertical plate 3, two first fixing plates 4, two first electric push rods 5, two mounting plates 6, two circular blocks 7, two annular tooth sockets 8, two first motors 9 and two circular gears 10, wherein the trapezoidal table 2 is slidably mounted on the top of the processing table 1, the vertical plate 3 is fixedly mounted on the top of the trapezoidal table 2, the two first fixing plates 4 are fixedly mounted on the top of the processing table 1, the two first electric push rods 5 are fixedly mounted on the outer walls of one sides of the two first fixing plates 4 respectively, one ends of the two first electric push rods 5 are fixedly connected with the trapezoidal table 2, the two mounting plates 6 are slidably mounted on the outer walls of one sides of the vertical plate 3, the two circular blocks 7 are rotatably mounted on the two mounting plates 6 respectively, the two annular tooth sockets 8 are respectively formed on the two circular blocks 7, the two first motors 9 are fixedly mounted on one sides of the two 6, which are mutually far away, the two annular tooth sockets 10 are respectively fixedly mounted on the two annular gears 10, and the two annular gear 10 are respectively meshed with the two circular gears 8;
the fixture adjusting mechanism comprises a second fixing plate 11, a second electric push rod 12, a first cavity 13, a double-shaft motor 14, two first threaded rods 15, two first internal thread sliding blocks 16 and two clamping plates 17, wherein the second fixing plate 11 is fixedly installed on the outer wall of one side of the vertical plate 3, the second electric push rod 12 is fixedly installed on the second fixing plate 11, one end of the second electric push rod 12 is fixedly connected with the mounting plate 6, the first cavity 13 is formed in the circular block 7, the double-shaft motor 14 is fixedly installed in the first cavity 13, the two first threaded rods 15 are respectively and fixedly installed on two output shafts of the double-shaft motor 14, one ends, far away from each other, of the two first threaded rods 15 are respectively and rotatably connected with the inner wall of the first cavity 13, the two first internal thread sliding blocks 16 are respectively and threadedly sleeved on the two first threaded rods 15, one sides of the two first internal thread sliding blocks 16 are respectively and fixedly installed on the two first internal thread sliding blocks 16.
As shown in fig. 1 and fig. 4, the moving mechanism includes a second cavity 18, a second motor 19, a second threaded rod 20, a second internal thread slider 21, a rectangular plate 22 and a saw blade milling cutter 23, the second cavity 18 is opened on the processing table 1, the second motor 19 is fixedly installed on one side inner wall of the second cavity 18, the second threaded rod 20 is fixedly installed on an output shaft of the second motor 19, one end of the second threaded rod 20 is rotationally connected with one side inner wall of the second cavity 18, the second internal thread slider 21 is in threaded sleeve on the second threaded rod 20, the top of the second internal thread slider 21 extends out of the processing table 1, the rectangular plate 22 is fixedly installed on the top of the second internal thread slider 21, and the saw blade milling cutter 23 is arranged on the rectangular plate 22;
by providing a moving mechanism, the position of the blade milling cutter 23 and thus the machining position can be adjusted.
As shown in fig. 1 and 2, two trapezoidal sliding rails are fixedly installed at the top of the processing table 1, two trapezoidal sliding grooves are formed in the bottom of the trapezoidal table 2, and the two trapezoidal sliding rails are respectively matched with the two trapezoidal sliding grooves;
by arranging the trapezoidal sliding rail and the trapezoidal sliding groove, the trapezoidal table 2 can stably move, and deflection is avoided.
As shown in fig. 2, two bar-shaped grooves are formed in the outer wall of one side of the vertical plate 3, fixing rods are fixedly arranged in the two bar-shaped grooves, two rectangular sliding blocks are sleeved on the two fixing rods in a sliding manner, and one side of each of the four rectangular sliding blocks is fixedly connected with two mounting plates 6 respectively;
by providing the bar-shaped groove, the fixing lever and the rectangular slider, the mounting plate 6 can be mounted and can be moved smoothly.
As shown in fig. 2 and 3, two first strip-shaped openings are formed on the outer wall of one side of the circular block 7, and two first internal thread sliders 16 respectively penetrate through the two first strip-shaped openings and are respectively connected with the two strip-shaped openings in a sliding manner;
through setting up first bar mouth, can make first internal thread slider 16 pass through with remove to spacing it, make it can steady removal.
As shown in fig. 1 and fig. 4, a second strip-shaped opening is formed in the top of the processing table 1, and the second internal thread slider 21 penetrates through the second strip-shaped opening and is in sliding connection with the second strip-shaped opening;
through setting up the second bar mouth, can make second internal thread slider 21 pass through with remove to spacing it, make it can steady removal.
The working principle of the fixture for processing the deflection angle of the saw blade milling cutter provided by the utility model is as follows:
a first step of: during machining, the distance between the two mounting plates 6 is adjusted according to a workpiece, the second electric push rod 12 is started, the second electric push rod 12 drives the mounting plates 6 to slide on the fixed rods through the rectangular sliding blocks, the two mounting plates 6 are made to approach each other, the distance between the two mounting plates 6 is adapted to the machined workpiece, the workpiece is placed between the two clamping plates 17, the double-shaft motor 14 is started, the double-shaft motor 14 drives the two first threaded rods 15 to rotate, the two first threaded rods 15 drive the two first internal threaded sliding blocks 16 to move in the direction of approaching each other, and the two first internal threaded sliding blocks 16 drive the two clamping plates 17 to move so as to clamp the workpiece;
and a second step of: starting two first electric putter 5, two first electric putter 5 drive trapezoidal platform 2 and remove on two trapezoidal slide rails, trapezoidal platform 2 drives riser 3 and removes, thereby it is processed to drive the work piece and be close to saw bit milling cutter 23, when needing to adjust the processing position, start first motor 9, first motor 9 drives circular gear 10 and rotates, circular gear 10 drives circular piece 7 through annular tooth's socket 8 and rotates, rotate the work piece, start second motor 19, second motor 19 drives second threaded rod 20 and rotates, second threaded rod 20 drives second internal thread slider 21 and removes, second internal thread slider 21 drives rectangular plate 22 and removes, rectangular plate 22 drives saw bit milling cutter 23 and remove, thereby adjust the position of processing.
It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;
the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents, and in other related technical fields, which are equally encompassed by the scope of the present utility model.

Claims (6)

1. The utility model provides a saw bit milling cutter off angle adds clamping apparatus which characterized in that includes:
the processing table is provided with a pushing and rotating mechanism, two clamp adjusting mechanisms and a moving mechanism;
the pushing and rotating mechanism comprises a trapezoidal table, a vertical plate, two first fixing plates, two first electric push rods, two mounting plates, two circular blocks, two annular tooth sockets, two first motors and two circular gears, wherein the trapezoidal table is slidably mounted on the top of the processing table, the vertical plate is fixedly mounted on the top of the trapezoidal table, the two first fixing plates are fixedly mounted on the top of the processing table, the two first electric push rods are fixedly mounted on the outer wall of one side of the two first fixing plates respectively, one end of each first electric push rod is fixedly connected with the trapezoidal table, the two mounting plates are slidably mounted on the outer wall of one side of the vertical plate, the two circular blocks are rotatably mounted on the two mounting plates respectively, the two annular tooth sockets are formed on the two circular blocks respectively, the two first motors are fixedly mounted on the side, away from each other, the two circular gears are fixedly mounted on the output shafts of the two first motors respectively, and the two circular gears are meshed with the two annular tooth sockets respectively;
the fixture adjusting mechanism comprises a second fixing plate, a second electric push rod, a first cavity, a double-shaft motor, two first threaded rods, two first internal thread sliding blocks and two clamping plates, wherein the second fixing plate is fixedly installed on the outer wall of one side of the vertical plate, the second electric push rod is fixedly installed on the second fixing plate, one end of the second electric push rod is fixedly connected with the mounting plate, the first cavity is formed in the circular block, the double-shaft motor is fixedly installed in the first cavity, the two first threaded rods are fixedly installed on two output shafts of the double-shaft motor respectively, one ends, away from each other, of the two first threaded rods are rotationally connected with the inner wall of the first cavity, the two first internal thread sliding blocks are respectively arranged on the two first threaded rods in a threaded sleeved mode, one side of each first internal thread sliding block is extended out of the circular block, and the two clamping plates are respectively fixedly installed on the two first internal thread sliding blocks.
2. The blade milling cutter off-angle machining fixture of claim 1, wherein: the moving mechanism comprises a second cavity, a second motor, a second threaded rod, a second internal thread sliding block, a rectangular plate and a saw blade milling cutter, wherein the second cavity is arranged on a processing table, the second motor is fixedly arranged on one side inner wall of the second cavity, the second threaded rod is fixedly arranged on an output shaft of the second motor, one end of the second threaded rod is rotationally connected with one side inner wall of the second cavity, the second internal thread sliding block is sleeved on the second threaded rod in a threaded manner, the top of the second internal thread sliding block extends out of the processing table, the rectangular plate is fixedly arranged at the top of the second internal thread sliding block, and the saw blade milling cutter is arranged on the rectangular plate.
3. The blade milling cutter off-angle machining fixture of claim 1, wherein: the top fixed mounting of processing platform has two trapezoidal slide rails, two trapezoidal spouts have been seted up to the bottom of trapezoidal platform, two trapezoidal slide rail respectively with two trapezoidal spouts looks adaptation.
4. The blade milling cutter off-angle machining fixture of claim 1, wherein: two bar grooves are formed in the outer wall of one side of the vertical plate, fixing rods are fixedly installed in the two bar grooves, two rectangular sliding blocks are sleeved on the fixing rods in a sliding mode, and one side of each rectangular sliding block is fixedly connected with two mounting plates.
5. The blade milling cutter off-angle machining fixture of claim 1, wherein: two first strip-shaped openings are formed in the outer wall of one side of the round block, and the two first internal thread sliding blocks penetrate through the two first strip-shaped openings respectively and are connected with the two strip-shaped openings in a sliding mode respectively.
6. The blade milling cutter off-angle machining fixture of claim 2, wherein: the top of processing platform has seted up the second bar mouth, second internal thread slider runs through the second bar mouth and with second bar mouth sliding connection.
CN202223439160.5U 2022-12-22 2022-12-22 Deflection angle machining clamp for saw blade milling cutter Active CN219053648U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223439160.5U CN219053648U (en) 2022-12-22 2022-12-22 Deflection angle machining clamp for saw blade milling cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223439160.5U CN219053648U (en) 2022-12-22 2022-12-22 Deflection angle machining clamp for saw blade milling cutter

Publications (1)

Publication Number Publication Date
CN219053648U true CN219053648U (en) 2023-05-23

Family

ID=86346797

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223439160.5U Active CN219053648U (en) 2022-12-22 2022-12-22 Deflection angle machining clamp for saw blade milling cutter

Country Status (1)

Country Link
CN (1) CN219053648U (en)

Similar Documents

Publication Publication Date Title
CN210938264U (en) Workpiece clamping device for numerical control milling machine
CN220806207U (en) Chuck structure of screw locking machine
CN210702751U (en) Milling machine is used in metal material processing with adjustable
CN219053648U (en) Deflection angle machining clamp for saw blade milling cutter
CN210967148U (en) Double-spindle numerical control milling machine
CN117260339A (en) Machine tool knife rest and machine tool
CN213702589U (en) Quick clamping tool of machine tooling
CN214867274U (en) Excircle turning device for machining motor top cover
CN213561229U (en) Vertical milling machine milling fixture is used in metal casing production
CN112757002A (en) Auxiliary processing device for old drilling machine
CN222767310U (en) Feeding device convenient to adjust for numerical control lathe
CN213614177U (en) Mould guiding device for machining of numerical control lathe
CN220178259U (en) Double-station numerical control processing equipment
CN213702518U (en) Detachable blade type numerical control milling machine
CN218050501U (en) Keyway milling machine
CN220533150U (en) Efficient machining mechanism for nut inner hole threads
CN221135828U (en) Mechanical accessory machining clamp with size adjusting function
CN211276577U (en) Boring machine indexing mechanism
CN212704592U (en) Milling machine for machining precision tool clamp
CN221474187U (en) Simple composite rotating device of turning and milling composite machine tool
CN220388608U (en) Milling equipment for metal product production and processing
CN216399382U (en) Improved binding and fixing device for precision electronic equipment accessories
CN215395729U (en) Milling machine positioner for wood working
CN212443268U (en) Counter-arrangement tool processing device
CN216859154U (en) Centre bore grinding machine that gear machining used

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant