CN223339019U - High-precision CNC grinding machines for complex tools - Google Patents

High-precision CNC grinding machines for complex tools

Info

Publication number
CN223339019U
CN223339019U CN202422648343.0U CN202422648343U CN223339019U CN 223339019 U CN223339019 U CN 223339019U CN 202422648343 U CN202422648343 U CN 202422648343U CN 223339019 U CN223339019 U CN 223339019U
Authority
CN
China
Prior art keywords
protective cover
wall
dust
grinding machine
numerical control
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
CN202422648343.0U
Other languages
Chinese (zh)
Inventor
柯新国
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.)
Yige Machine Tool Zhejiang Co ltd
Original Assignee
Yige Machine Tool Zhejiang 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 Yige Machine Tool Zhejiang Co ltd filed Critical Yige Machine Tool Zhejiang Co ltd
Priority to CN202422648343.0U priority Critical patent/CN223339019U/en
Application granted granted Critical
Publication of CN223339019U publication Critical patent/CN223339019U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

本实用新型公开了复杂刀具专用高精度数控磨床,包括床身,所述床身的顶部固定安装有防护罩,所述防护罩的一侧设置有处理机构,所述防护罩的另一侧设置有除尘机构;所述处理机构包括与床身的一侧固定安装的处理箱,所述处理箱的一侧内壁开设有贯穿防护罩的处理口,所述防护罩的一侧外壁固定连接有与处理口相连通的抽泵,所述抽泵的排风端位于处理箱内,所述处理箱内设置有过滤网板,该复杂刀具专用高精度数控磨床,通过启动抽泵能够将防护罩内的灰尘经处理口抽至处理箱内,经处理箱内的过滤网板进行过滤操作,可使得干净的气流被排出,可避免灰尘弥漫在防护罩内甚至大量粘附在设备的结构件上,实现降低工作人员劳动强度的效果。

The utility model discloses a high-precision CNC grinding machine specially designed for complex cutting tools, comprising a bed, a protective cover fixedly installed on the top of the bed, a processing mechanism provided on one side of the protective cover, and a dust removal mechanism provided on the other side of the protective cover; the processing mechanism comprises a processing box fixedly installed on one side of the bed, a processing port penetrating the protective cover is provided on one inner wall of one side of the processing box, a suction pump connected to the processing port is fixedly connected to the outer wall of one side of the protective cover, an exhaust end of the suction pump is located in the processing box, a filter screen is provided in the processing box, the high-precision CNC grinding machine specially designed for complex cutting tools can pump the dust in the protective cover into the processing box through the processing port by starting the suction pump, and filter the dust through the filter screen in the processing box, so that clean airflow can be discharged, and dust can be prevented from spreading in the protective cover or even adhering to the structural parts of the equipment in large quantities, thereby reducing the labor intensity of the staff.

Description

High-precision numerical control grinding machine special for complex cutter
Technical Field
The utility model relates to the technical field of numerically controlled grinding machines, in particular to a high-precision numerically controlled grinding machine special for complex cutters.
Background
The numerically controlled grinder is a machine tool for grinding the surface of a workpiece by using a grinding tool through a numerical control technology. Most grinding machines are grinding machines using grinding wheels that rotate at high speeds, and a few are grinding machines using other grinding tools such as whetstones, sanding belts, and free abrasive materials, such as honing machines, superfinishing machines, sanding belt grinding machines, and polishing machines. The numerical control grinding machine also comprises a numerical control surface grinding machine, a numerical control centerless grinding machine, a numerical control internal and external circular grinding machine, a numerical control vertical universal grinding machine, a numerical control coordinate grinding machine, a numerical control forming grinding machine and the like, and the numerical control cutter is required to be ground by the grinding machine, so that the special high-precision numerical control grinding machine for the complex cutter is required.
Currently, chinese patent publication No. CN115338698a discloses a special high-precision numerically controlled grinder for complex tools, which comprises a T-shaped bed frame, wherein a bed body is arranged above one side of the bed frame, a headstock assembly and a tailstock assembly for clamping a hob are connected with the front end of the bed body, a grinding wheel repairing device is arranged on the headstock assembly, a stand column assembly is arranged above the other side of the bed frame, and a spindle grinding wheel frame is arranged on the stand column assembly. The invention can grind the cutting edge of the whole hob after one-time clamping, can ensure the precision of the hob, simultaneously improve the grinding efficiency of the hob, reduce the grinding cost of the hob, and is suitable for precision grinding of complex cutters.
However, when the prior art is used, a large amount of dust can be generated when the cutter is polished, a protective cover is generally added on the lathe bed to prevent the dust from floating in the air, but the dust can permeate into the protective cover and even adhere to structural members of equipment in a large amount, so that workers are required to clean the protective cover after the operation is finished, and the labor intensity of the workers is increased.
Therefore, the utility model provides the special high-precision numerical control grinding machine for the complex cutter.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a special high-precision numerical control grinding machine for complex cutters, so as to solve the problems.
The high-precision numerical control grinding machine special for complex cutters comprises a machine body, wherein a protective cover is fixedly arranged at the top of the machine body, a processing mechanism is arranged on one side of the protective cover, and a dust removing mechanism is arranged on the other side of the protective cover;
the treatment mechanism comprises a treatment box fixedly arranged on one side of the lathe bed, a treatment opening penetrating through the protective cover is formed in the inner wall of one side of the treatment box, a pump communicated with the treatment opening is fixedly connected to the outer wall of one side of the protective cover, the exhaust end of the pump is positioned in the treatment box, and a filter screen plate is arranged in the treatment box and can be used for treating dust in the protective cover under the starting of the pump.
Preferably, the spread groove that is T type structure has all been seted up to the both sides inner wall of handling the case, the inner wall sliding connection of spread groove has the connecting block, connecting block and filter screen plate fixed mounting can make the filter screen plate up-and-down motion through the connecting block.
Preferably, the connecting rod with an L-shaped structure is arranged in the treatment box, the bottom of the filter screen plate is fixedly connected with a connecting ring, the bottom of the connecting ring is obliquely arranged, and the vertical section of the connecting rod faces the bottom inclined surface of the connecting ring.
Preferably, the bottom through hole of the treatment box is rotationally connected with a connecting shaft through a positioning rod, the surface of the connecting shaft is fixedly connected with a plurality of evenly distributed blades, and the connecting shaft is fixed with the horizontal section of the connecting rod.
Preferably, a rolling groove is formed in the top of the connecting rod, rolling balls are connected to the inner wall of the rolling groove in a rolling mode, and the rolling balls are in rolling fit with the bottom inclined surfaces of the connecting rings.
Preferably, the dust removing mechanism comprises a fan fixedly connected with one side outer wall of the protective cover, a dust removing opening is formed in one side outer wall of the protective cover, which is far away from the pump, and the exhaust end of the fan faces the dust removing opening and can apply wind pressure to the dust removing opening by starting the fan.
Preferably, the adjusting groove is formed in the inner wall of the top of the dust removing opening, an adjusting spring is fixedly connected to the inner wall of the top of the adjusting groove, and an adjusting plate which is in sliding fit with the inner wall of the adjusting groove is fixedly connected to the bottom of the adjusting spring.
Preferably, one side of the protective cover, which is far away from the pump, is fixedly connected with an electric hydraulic rod through a mounting plate, one side of the adjusting plate, which is close to the electric hydraulic rod, is obliquely arranged, and the higher end of the inclined surface of the adjusting plate faces the mounting plate.
Preferably, a rotating groove is formed in one side of a piston rod of the electric hydraulic rod, a rotating ball is connected to the inner wall of the rotating groove in a rotating mode, the rotating ball is in rolling fit with the inclined surface of the adjusting plate, a dust blowing port in a V-shaped structure is formed in the inner wall of the bottom of the dust removing port, and the air outlet end of the dust blowing port faces the top of the protective cover.
Advantageous effects
Compared with the prior art, the utility model has the following beneficial effects:
1. this special high accuracy numerically controlled grinder of complicated cutter can take out the dust in the protection casing to the processing incasement through handling the mouth through starting the pump, carries out the filtration operation through the filter screen plate of handling the incasement, can make clean air current be discharged, can avoid the dust to diffuse in the protection casing even a large amount of adhesion on the structure of equipment, realizes reducing staff intensity of labour's effect.
2. This special high accuracy numerically controlled grinder of complicated cutter can rotate the operation through blade cooperation connecting axle, and the rotation of connecting axle can make the connecting rod rotate, and the rotation of connecting rod can make the bottom inclined plane application of force of antifriction ball to the go-between, and the cooperation connecting block slides in the inner wall of spread groove, can make filter screen plate carry out high frequency up-and-down motion, can avoid the dust to block up through the mesh of filter screen plate, can guarantee the air permeability of filter screen plate.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the structure of the connecting shaft of the present utility model;
FIG. 3 is a schematic view of the rolling ball construction of the present utility model;
FIG. 4 is a schematic illustration of the electro-hydraulic lever structure of the present utility model;
fig. 5 is an enlarged schematic view of the structure at a in fig. 4.
The device is characterized by comprising a machine body 1, a machine body 2, a protective cover 3, a treatment box 4, a treatment port 5, a pump 6, a filter screen plate 7, a connecting groove 8, a connecting block 9, a connecting ring 10, a connecting rod 11, a connecting shaft 12, a blade 13, a fan 14, a dust removing port 15, an adjusting groove 16, an adjusting spring 17, an adjusting plate 18, an electric hydraulic rod 19, a rotating groove 20, a rotating ball 21, a dust blowing port 22, a rolling groove 23 and a rolling ball.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the special high-precision numerically controlled grinder for complex tools comprises a machine body 1, wherein a protective cover 2 is fixedly arranged on the top of the machine body 1, a processing mechanism is arranged on one side of the protective cover 2, and a dust removing mechanism is arranged on the other side of the protective cover 2;
The treatment mechanism comprises a treatment box 3 fixedly arranged on one side of the machine body 1, a treatment opening 4 penetrating through the protective cover 2 is formed in the inner wall of one side of the treatment box 3, a pumping pump 5 communicated with the treatment opening 4 is fixedly connected to the outer wall of one side of the protective cover 2, the exhaust end of the pumping pump 5 is positioned in the treatment box 3, a filter screen plate 6 is arranged in the treatment box 3, and dust in the protective cover 2 can be treated by the filter screen plate 6 under the starting of the pumping pump 5.
Specifically, through starting pump 5, pump 5 can take out the dust in the protection casing 2 to the processing incasement 3 through handling mouth 4, carries out the filtration operation through the filter screen plate 6 in the processing incasement 3, can make clean air current be discharged, can handle the dust this moment, can avoid the dust to diffuse in the protection casing even a large amount of adhesion on the structure of equipment, need not the staff and clear up it after the operation finishes, realizes reducing staff intensity of labour's effect.
As a further improvement of the utility model, the inner walls of the two sides of the treatment box 3 are provided with the connecting grooves 7 with T-shaped structures, the inner walls of the connecting grooves 7 are connected with the connecting blocks 8 in a sliding manner, the connecting blocks 8 are fixedly arranged with the filter screen plates 6, and the filter screen plates 6 can move up and down through the connecting blocks 8.
Specifically, through the connecting block 8 that sets up can slide in the inner wall of spread groove 7, can make the filter screen plate 6 reciprocate this moment, can carry out certain processing operation to the dust.
As a further improvement of the utility model, a connecting rod 10 with an L-shaped structure is arranged in the treatment box 3, the bottom of the filter screen plate 6 is fixedly connected with a connecting ring 9 with the bottom obliquely arranged, and the vertical section of the connecting rod 10 faces the bottom inclined surface of the connecting ring 9.
Specifically, the connecting ring 9 can bear force under the rotation of the connecting rod 10, and the filter screen plate 6 can conveniently move up and down at the moment.
As a further improvement of the utility model, a through hole at the bottom of the treatment box 3 is rotationally connected with a connecting shaft 11 through a positioning rod, a plurality of evenly distributed blades 12 are fixedly connected with the surface of the connecting shaft 11, and the connecting shaft 11 is fixed with the horizontal section of the connecting rod 10.
Specifically, through the provision of the connecting shaft 11, the rotation operation can be performed when the blades 12 are stressed, and the rotation of the connecting shaft 11 can rotate the connecting rod 10, so that the connecting ring 9 can be forced.
As a further improvement of the utility model, the top of the connecting rod 10 is provided with a rolling groove 22, the inner wall of the rolling groove 22 is connected with a rolling ball 23 in a rolling way, and the rolling ball 23 forms rolling fit with the bottom inclined surface of the connecting ring 9.
Specifically, the rolling balls 23 are provided so as to be rotatable in the inner wall of the rolling groove 22, and at this time, the structure of the apparatus can be protected.
As a further improvement of the utility model, the dust removing mechanism comprises a fan 13 fixedly connected with the outer wall of one side of the protective cover 2, the outer wall of one side of the protective cover 2 far away from the pump 5 is provided with a dust removing opening 14, the exhaust end of the fan 13 faces the dust removing opening 14, and wind pressure can be applied to the dust removing opening 14 by starting the fan 13.
Specifically, the fan 13 can enable air flow to flow in the inner wall of the dust removal opening 14, so that dust on the outer edge of the workpiece can be removed.
As a further improvement of the utility model, the top inner wall of the dust removal port 14 is provided with an adjusting groove 15, the top inner wall of the adjusting groove 15 is fixedly connected with an adjusting spring 16, and the bottom of the adjusting spring 16 is fixedly connected with an adjusting plate 17 which forms sliding fit with the inner wall of the adjusting groove 15.
Specifically, through setting up regulating plate 17 can slide in the inner wall of adjustment tank 15, can be convenient for the air current get into in the protection casing 2 through dust removal mouth 14, after the bottom inner wall contact of regulating plate 17 and dust removal mouth 14, can avoid appearing the straight air current.
As a further improvement of the utility model, one side of the protective cover 2 far away from the pump 5 is fixedly connected with an electric hydraulic rod 18 through a mounting plate, one side of the adjusting plate 17 close to the electric hydraulic rod 18 is obliquely arranged, and the higher end of the inclined surface of the adjusting plate 17 faces the mounting plate.
Specifically, the adjusting plate 17 can be forced by the movement of the piston rod by the provision of the electro-hydraulic lever 18, at which time the adjusting plate 17 can slide in the inner wall of the adjusting groove 15.
As a further improvement of the utility model, a rotary groove 19 is formed on one side of a piston rod of the electric hydraulic rod 18, a rotary ball 20 is rotatably connected to the inner wall of the rotary groove 19, the rotary ball 20 forms rolling fit with the inclined surface of the adjusting plate 17, a dust blowing port 21 with a V-shaped structure is formed on the inner wall of the bottom of the dust removing port 14, and the air outlet end of the dust blowing port 21 faces the top of the protective cover 2.
Specifically, through the dust blowing port 21 that sets up, can be after regulating plate 17 and the bottom inner wall contact of dust removal mouth 14, the air current flows through the dust blowing port 21 and gets into in the protection casing 2 this moment, can blow the dirt operation to the inner edge of work piece, and the ball 20 can protect the structure of equipment.
And all that is not described in detail in this specification is well known to those skilled in the art.
When the working principle of the utility model is used, when the outer edge of a workpiece is polished by a cutter, the electric hydraulic rod 18 is started to enable the rotary ball 20 to apply force to the adjusting plate 17, the dust removing port 14 is opened, the fan 13 is started to enable wind to blow into the protective cover 2 through the dust removing port 14 and blow away dust, when the inner edge of the workpiece is polished by the cutter, the piston rod of the electric hydraulic rod 18 is separated from the adjusting plate 17, the adjusting plate 17 can be pressed to the inner wall of the bottom of the dust removing port 14 under the elasticity of the adjusting spring 16, and at the moment, air flow can enter the protective cover 2 through the dust blowing port 21 and blow away the dust at the inner edge so as to adapt to the polishing operation of the complex cutter;
When the dust in the protective cover 2 is removed, the suction pump 5 is started, the suction pump 5 can suck the dust in the protective cover 2 into the treatment box 3 through the treatment opening 4, and clean air flow can be discharged through the filtering operation of the filtering screen 6 in the treatment box 3;
When air passes through the treatment box 3, the blades 12 are matched with the connecting shaft 11 to rotate, the connecting shaft 11 rotates to enable the connecting rod 10 to rotate, the rolling balls 23 apply force to the bottom inclined surface of the connecting ring 9 by the rotation of the connecting rod 10, the matched connecting block 8 slides in the inner wall of the connecting groove 7, the filter screen plate 6 can move up and down at high frequency, dust can be prevented from blocking through meshes of the filter screen plate 6, and ventilation of the filter screen plate 6 can be ensured.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The high-precision numerical control grinding machine special for the complex cutter comprises a machine body (1), wherein a protective cover (2) is fixedly arranged at the top of the machine body (1), and the high-precision numerical control grinding machine is characterized in that a processing mechanism is arranged on one side of the protective cover (2), and a dust removing mechanism is arranged on the other side of the protective cover (2);
The utility model provides a dust collection device, including lathe bed (1), processing mechanism includes processing box (3) with one side fixed mounting of lathe bed (1), processing mouth (4) that run through protection casing (2) have been seted up to one side inner wall of processing box (3), one side outer wall fixedly connected with of protection casing (2) is linked together with pump (5) of processing mouth (4), the exhaust end of pump (5) is located processing box (3), be provided with filter screen plate (6) in processing box (3), can handle dust in protection casing (2) under the start of pump (5) through filter screen plate (6).
2. The special high-precision numerical control grinding machine for complex cutters, which is disclosed in claim 1, is characterized in that connecting grooves (7) with T-shaped structures are formed in the inner walls of the two sides of the processing box (3), connecting blocks (8) are connected to the inner walls of the connecting grooves (7) in a sliding mode, the connecting blocks (8) are fixedly installed with the filter screen plates (6), and the filter screen plates (6) can move up and down through the connecting blocks (8).
3. The special high-precision numerical control grinding machine for complex cutters, which is characterized in that a connecting rod (10) with an L-shaped structure is arranged in the processing box (3), a connecting ring (9) with the bottom obliquely arranged is fixedly connected to the bottom of the filter screen plate (6), and the vertical section of the connecting rod (10) faces the bottom inclined surface of the connecting ring (9).
4. The special high-precision numerical control grinding machine for complex cutters, which is characterized in that a through hole at the bottom of a processing box (3) is rotationally connected with a connecting shaft (11) through a positioning rod, a plurality of evenly-distributed blades (12) are fixedly connected to the surface of the connecting shaft (11), and the connecting shaft (11) is fixed with the horizontal section of a connecting rod (10).
5. The special high-precision numerical control grinding machine for complex cutters, which is characterized in that a rolling groove (22) is formed in the top of the connecting rod (10), a rolling ball (23) is connected to the inner wall of the rolling groove (22) in a rolling manner, and the rolling ball (23) is in rolling fit with the bottom inclined surface of the connecting ring (9).
6. The special high-precision numerical control grinding machine for complex cutters, as set forth in claim 1, is characterized in that the dust removing mechanism comprises a fan (13) fixedly connected with the outer wall of one side of the protective cover (2), a dust removing opening (14) is formed in the outer wall of one side of the protective cover (2) far away from the pump (5), the air exhaust end of the fan (13) faces the dust removing opening (14), and wind pressure can be applied to the dust removing opening (14) by starting the fan (13).
7. The special high-precision numerically controlled grinder for complex cutters, as set forth in claim 6, is characterized in that an adjusting groove (15) is provided on the top inner wall of the dust removal port (14), an adjusting spring (16) is fixedly connected to the top inner wall of the adjusting groove (15), and an adjusting plate (17) in sliding fit with the inner wall of the adjusting groove (15) is fixedly connected to the bottom of the adjusting spring (16).
8. The special high-precision numerical control grinding machine for complex cutters, as set forth in claim 7, is characterized in that an electric hydraulic rod (18) is fixedly connected to one side of the protective cover (2) far away from the pump (5) through a mounting plate, one side of the adjusting plate (17) close to the electric hydraulic rod (18) is obliquely arranged, and the higher end of an inclined plane of the adjusting plate (17) faces the mounting plate.
9. The special high-precision numerical control grinding machine for complex cutters, as set forth in claim 8, is characterized in that a rotating groove (19) is formed in one side of a piston rod of the electric hydraulic rod (18), a rotating ball (20) is rotatably connected to the inner wall of the rotating groove (19), the rotating ball (20) forms rolling fit with an inclined plane of the adjusting plate (17), a dust blowing port (21) with a V-shaped structure is formed in the inner wall of the bottom of the dust removing port (14), and the air outlet end of the dust blowing port (21) faces the top of the protective cover (2).
CN202422648343.0U 2024-10-31 2024-10-31 High-precision CNC grinding machines for complex tools Active CN223339019U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202422648343.0U CN223339019U (en) 2024-10-31 2024-10-31 High-precision CNC grinding machines for complex tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202422648343.0U CN223339019U (en) 2024-10-31 2024-10-31 High-precision CNC grinding machines for complex tools

Publications (1)

Publication Number Publication Date
CN223339019U true CN223339019U (en) 2025-09-16

Family

ID=97014008

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202422648343.0U Active CN223339019U (en) 2024-10-31 2024-10-31 High-precision CNC grinding machines for complex tools

Country Status (1)

Country Link
CN (1) CN223339019U (en)

Similar Documents

Publication Publication Date Title
CN109648435B (en) Grinding machine convenient for cleaning scrap brake pad
CN111761516B (en) Silicon wafer grinding disc correction equipment and correction process thereof
JP2001191246A (en) Surface polishing device and surface polishing method
CN114670069B (en) A gear end face grinding and polishing device
CN213164891U (en) Grinding machine for machining
CN112676995B (en) Steel form polishing device
CN206855072U (en) A metal mirror processing equipment
CN223339019U (en) High-precision CNC grinding machines for complex tools
CN210081490U (en) Rotating disc type emery sanding machine
CN216422206U (en) Special-shaped sander with dust absorption and treatment functions
CN106863055A (en) Numerical-control full-automatic sander
CN214723066U (en) Table type grinding machine
CN117325027A (en) furniture sanding machine
CN214054744U (en) High-precision numerical control grinding machine
CN109015381B (en) Grinding wheel dust remover for small grinding machine and dust removing method thereof
CN210678043U (en) Rubber roller excircle size fine grinding mechanism
CN219633487U (en) Dust collector that metal processing of polishing was used
CN223173297U (en) A multifunctional cutting and grinding machine
CN222857541U (en) A stainless steel product edge production equipment
CN222430195U (en) A surface grinder for grinding grooves and dust collection
CN206982389U (en) A kind of high-precision emery wheel grinder head
CN222405138U (en) A grinding wheel dressing machine for producing resin grinding wheels
CN220680285U (en) Edging device is used in emery wheel processing with dust extraction
CN218746900U (en) Grinding machine for machining capable of preventing parts from falling
CN216940144U (en) CNC Grinder for Filtered Grinding Oil for Spline Shaft Machining

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant