CN108481037A - A kind of tooth set process equipment and processing method - Google Patents

A kind of tooth set process equipment and processing method Download PDF

Info

Publication number
CN108481037A
CN108481037A CN201810349633.1A CN201810349633A CN108481037A CN 108481037 A CN108481037 A CN 108481037A CN 201810349633 A CN201810349633 A CN 201810349633A CN 108481037 A CN108481037 A CN 108481037A
Authority
CN
China
Prior art keywords
fixedly connected
folder
screw
tooth
tooth set
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.)
Pending
Application number
CN201810349633.1A
Other languages
Chinese (zh)
Inventor
李东方
林钰珍
巫少龙
徐文俊
陈澜
黄林波
吴国强
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.)
Quzhou College of Technology
Original Assignee
Quzhou College of Technology
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 Quzhou College of Technology filed Critical Quzhou College of Technology
Priority to CN201810349633.1A priority Critical patent/CN108481037A/en
Publication of CN108481037A publication Critical patent/CN108481037A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P17/00Metal-working operations, not covered by a single other subclass or another group in this subclass
    • B23P17/02Single metal-working processes; Machines or apparatus therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Processing (AREA)

Abstract

The invention discloses a kind of tooth set process equipment and processing methods, including positioning device and grip device, positioning device includes pedestal, it is in electric sliding rail arranged in parallel that the top of pedestal, which is fixedly connected with two groups, the electronic sliding block of electric sliding rail is fixedly connected with litter, litter is slidably matched sliding sleeve, support plate is fixedly connected at the top of litter, the center of support plate is fixedly connected with spindle gear, grip device includes processing platform, processing platform is internally provided with two groups of sliding blocks, it is respectively fixedly connected with left folder and right folder at the top of two groups of sliding blocks, structure of the invention is concise, floor space is small, tooth can be sleeved on respectively by electric sliding rail and spindle gear and both vertically and horizontally carried out fast, the positioning of high precision, reduce mismachining tolerance, it improves sliding gear collar and engages effect with what gear was put into gear, it is easy to use, it is easy to operate.

Description

A kind of tooth set process equipment and processing method
Technical field
The present invention relates to teeth to cover processing technique field, specially a kind of tooth set process equipment and processing method.
Background technology
Automobile power transmission be realized by gearbox, therefore, the quality of gear case type transmission arrangement, by direct shadow Ring the power performance of vehicle.Change gear off-gear under case of heavy load is severe temperature for automotive performance, wherein it is main because Element be exactly sliding gear collar put into gear with gear be engage it is incorrect.
The spline machining of tooth set mainly uses the cutting working methods such as rolling cut, milling and grinding, can also be used and cold beat, is cold The processing method of plastic deformations such as roll (see roll forming).The spline hole machined of tooth set mainly has the side such as slotting, broaching and grinding Method.It in these process, is required for being accurately located, can just process high-precision splined shaft and splined hole.Existing skill It is excessively complicated to the positioning of tooth set in art, in consideration of it, the present invention provides a kind of chuck apparatus convenient for positioning and stablizing, come real Now to the accurate processing of tooth set.
Invention content
The purpose of the present invention is to provide a kind of tooth set process equipment and processing methods, to solve to carry in above-mentioned background technology The problem of going out.
To achieve the above object, wherein a kind of tooth set process equipment, including positioning device and grip device, the positioning Device includes pedestal, and it is in electric sliding rail arranged in parallel, the electricity of the electric sliding rail that the top of the pedestal, which is fixedly connected with two groups, Movable slider is fixedly connected with litter, and the litter is slidably matched sliding sleeve, and support plate, the support are fixedly connected at the top of the litter The center of plate is fixedly connected with spindle gear, and the grip device includes processing platform, and the processing platform, which is fixed, to be connected Connecing the sliding sleeve and spindle gear, the processing platform is internally provided with sliding slot, and the sliding slot is slidably matched two groups of sliding blocks, It is respectively fixedly connected with left folder and right folder at the top of sliding block described in two groups, the bottom of the left folder and right folder is equipped with identical The through-hole of size, and left screw axle sleeve and right screw axle sleeve are fixedly connected in through-hole, the left screw axle sleeve clearance fit is left The hand of spiral of lead screw, the right screw axle sleeve clearance fit right screw, the left screw and right screw is on the contrary, the processing is flat Stepper motor is fixedly mounted in the top of platform and two groups of lead screw thrust bearings, lead screw thrust bearing described in two groups are interference fitted institute respectively Left screw and right screw are stated, the left end of the left screw connects the output shaft of the stepper motor by shaft coupling, and right end is solid Surely right screw is welded.
Preferably, the lead screw axle sleeve in the spindle gear and two groups of sliding sleeves are on same straight line, and fixed Connect processing platform.
Preferably, the left folder and right folder are the V-block being mutually mirror.
A kind of mode of tooth set processing method is:
A kind of tooth set processing method, it is characterised in that:Include the following steps:
Step 1:The surface quality parameter of input tooth set, the structure size of tooth set and working process parameter are to modeling respectively In system;
Step 2:Modeling determines the object function for establishing tooth set of model needs according to input parameter;
Step 3:Modeling establishes the simulation model of tooth set according to object function;
Step 4:Judge whether each item data of the simulation model meets the numerical value of needs, if it is, 5 are entered step, Otherwise, 6 are entered step;
Step 5:Operating personnel optimize adjustment to the parameter of simulation model, return to step 2;
Step 6:Modeling generates the machining code of corresponding processing unit (plant) according to the simulation model;
Step 7:The machining code is transmitted to the input module of processing unit (plant) by modeling by network module;
Step 8:Processing unit (plant) sets an opposite reference coordinate of itself;
Step 9:By tooth cover locking on positioning clamping device, by adjusting processing platform, the tooth set is driven to be moved to ginseng Examine coordinate;
Step 10:Processing unit (plant) is processed tooth set according to machining code.
Preferably, the step 9 includes the following steps:
Step 9-1:Tooth set is placed between left folder 10 and right folder 11;
Step 9-2:Start stepper motor 15, left folder 10 and 11 stabilization clamp of right folder handle tooth set;
Step 9-3:Start spindle gear 6, the screw axis set on spindle gear 6 drives processing platform 7 to carry out The movement of vertical direction starts electric sliding rail 2, and the electronic sliding block on electric sliding rail 2 drives processing platform 7 to carry out horizontal direction It is mobile, tooth set is adjusted to reference coordinate position.
Compared with prior art, the beneficial effects of the invention are as follows:
1. structure of the invention is concise, floor space is small, can be respectively to tooth set by electric sliding rail and spindle gear Quick, high precision positioning is both vertically and horizontally being carried out, mismachining tolerance is reduced, sliding gear collar is being improved and puts into gear with gear Engagement effect, it is easy to use, it is easy to operate;
2. the present invention has the characteristic of self-locking using screw rod transmission, can by the opposite left screw of hand of spiral and right screw Tooth set is gripped to stablize, avoids tooth from being sleeved between left folder and right folder and rotates and loosen, improve the accuracy of processing;
3. the present invention is fixedly connected with processing platform by two groups of sliding sleeves, stabilization of the processing platform in position fixing process is improved Property, the factor due to inertia is prevented, causes processing platform that thin tail sheep occurs.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is positioning device structure schematic diagram in the present invention;
Fig. 3 is grip device structural schematic diagram in the present invention;
Fig. 4 is the work flow diagram of the present invention
In figure:1 pedestal, 2 electric sliding rails, 3 litter, 4 sliding sleeves, 5 support plates, 6 spindle gears, 7 processing platforms, 8 are slided Slot, 9 sliding blocks, 10 left folders, 11 right folders, 12 left screw axle sleeves, 13 right screw axle sleeves, 14 left screws, 15 right screws, 16 steppings Motor, 17 lead screw thrust bearings, 18 tooth sets.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of tooth set process equipment and processing method, including it is fixed Position device and grip device.Positioning device includes pedestal 1, and it is in electric sliding arranged in parallel that the top of pedestal 1, which is fixedly connected with two groups, Rail 2, the electronic sliding block of electric sliding rail 2 are fixedly connected with litter 3, and litter 3 is slidably matched sliding sleeve 4, and the top of litter 4 is fixedly connected with branch The center of fagging 5, support plate 5 is fixedly connected with spindle gear 6.
Grip device includes processing platform 7, and processing platform 7 is fixedly connected with sliding sleeve 4 and spindle gear 6, processing platform 7 Be internally provided with sliding slot 8, sliding slot 8 is slidably matched two groups of sliding blocks 9, and the top of two groups of sliding blocks 9 is respectively fixedly connected with 10 He of left folder The bottom of right folder 11, left folder 10 and right folder 11 is equipped with the through-hole of same size, and left screw is fixedly connected in through-hole Axle sleeve 12 and right screw axle sleeve 13,12 clearance fit left screw 14 of left screw axle sleeve, 13 clearance fit right screw of right screw axle sleeve 15, the hand of spiral of left screw 14 and right screw 15 is on the contrary, stepper motor 16 and two groups of silks are fixedly mounted in the top of processing platform 7 Bar thrust bearing 17, two groups of lead screw thrust bearings 17 are interference fitted left screw 14 and right screw 15, the left end of left screw 14 respectively The output shaft of stepper motor 15 is connected by shaft coupling, right end fixes welding right screw 15.
Further, the lead screw axle sleeve in spindle gear 6 and two groups of sliding sleeves 4 are on same straight line, and fixed Processing platform 7 is connected, stability of the processing platform 7 in position fixing process is improved, prevents the factor due to inertia, causes processing flat Thin tail sheep occurs for platform 7.
Further, left folder 10 and right folder 11 are the V-block being mutually mirror, and are clamped by the way of V-block Tooth set 18, it is convenient and simple, it is of low cost.
Operation principle:In use, tooth set 18 is placed between left folder 10 and right folder 11, start stepper motor 15, Since left screw 14 fixes welding right screw 15, left screw 14 and right screw 15 can rotate in same direction, but due to left screw 14 With the hand of spiral of right screw 15 on the contrary, according to screw rod transmission principle, connect left screw axle sleeve 12 and right screw axle sleeve 13 occur it is different It to rotation, is moved toward one another to drive left folder 10 and right folder 11 to realize, left folder 10 may be implemented and right folder 11 is stablized Clamp tooth set 18.After tooth set 18 is handled by left folder 10 and 11 stabilization clamp of right folder, start spindle gear 6, lead screw Screw axis set on transmission device 6 drives processing platform 7 to carry out the movement of vertical direction, starts electric sliding rail 2, electric sliding rail 2 On electronic sliding block drive processing platform 7 to carry out the movement of horizontal direction, process is simple and fast.
As shown in figure 4, a kind of tooth covers processing method, include the following steps:
Step 1:The surface quality parameter of input tooth set, the structure size of tooth set and working process parameter are to modeling respectively In system;
Step 2:Modeling determines the object function for establishing tooth set of model needs according to input parameter;
Step 3:Modeling establishes the simulation model of tooth set according to object function;
Step 4:Judge whether each item data of the simulation model meets the numerical value of needs, if it is, 5 are entered step, Otherwise, 6 are entered step;
Step 5:Operating personnel optimize adjustment to the parameter of simulation model, return to step 2;
Step 6:Modeling generates the machining code of corresponding processing unit (plant) according to the simulation model;
Step 7:The machining code is transmitted to the input module of processing unit (plant) by modeling by network module;
Step 8:Processing unit (plant) sets an opposite reference coordinate of itself;
Step 9:Tooth set is placed between left folder 10 and right folder 11;
Step 10:Start stepper motor 15, left folder 10 and 11 stabilization clamp of right folder handle tooth set;
Step 11:Start spindle gear 6, the screw axis set on spindle gear 6 drives processing platform 7 to hang down Histogram to movement, start electric sliding rail 2, the electronic sliding block on electric sliding rail 2 drives processing platform 7 to carry out the shifting of horizontal direction It is dynamic, tooth set is adjusted to reference coordinate position.
Step 12:Processing unit (plant) is processed tooth set according to machining code.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of tooth covers process equipment, including positioning device and grip device, it is characterised in that:The positioning device includes pedestal (1), it is in electric sliding rail (2) arranged in parallel, the electricity of the electric sliding rail (2) that the top of the pedestal (1), which is fixedly connected with two groups, Movable slider is fixedly connected with litter (3), and the litter (3) is slidably matched sliding sleeve (4), and branch is fixedly connected at the top of the litter (4) The center of fagging (5), the support plate (5) is fixedly connected with spindle gear (6), and the grip device includes that processing is flat Platform (7), the processing platform (7) are fixedly connected with the sliding sleeve (4) and spindle gear (6), the processing platform (7) it is interior Portion is equipped with sliding slot (8), and the sliding slot (8) is slidably matched two groups of sliding blocks (9), and the top of sliding block (9) described in two groups is fixed respectively to be connected Connecing left folder (10) and right folder (11), the bottom of the left folder (10) and right folder (11) is equipped with the through-hole of same size, And left screw axle sleeve (12) and right screw axle sleeve (13) are fixedly connected in through-hole, left screw axle sleeve (12) clearance fit is left Lead screw (14), right screw axle sleeve (13) the clearance fit right screw (15), the spiral shell of the left screw (14) and right screw (15) Line direction is on the contrary, the top of the processing platform (7) is fixedly mounted stepper motor (16) and two groups of lead screw thrust bearings (17), and two The group lead screw thrust bearing (17) is interference fitted the left screw (14) and right screw (15) respectively, the left screw (14) Left end connects the output shaft of the stepper motor (15) by shaft coupling, and right end fixes welding right screw (15).
2. a kind of tooth according to claim 1 covers process equipment, it is characterised in that:In the spindle gear (6) Lead screw axle sleeve and two groups of sliding sleeves (4) are on same straight line, and are fixedly connected with processing platform (7).
3. a kind of tooth according to claim 1 covers process equipment, it is characterised in that:The left folder (10) and right folder (11) it is the V-block being mutually mirror.
4. a kind of tooth according to claim 1 covers processing method, it is characterised in that:Include the following steps:
Step 1:The surface quality parameter of tooth set, the structure size of tooth set and working process parameter are inputted respectively to modeling In;
Step 2:Modeling determines the object function for establishing tooth set of model needs according to input parameter;
Step 3:Modeling establishes the simulation model of tooth set according to object function;
Step 4:Judge whether each item data of the simulation model meets the numerical value of needs, if it is, 5 are entered step, otherwise, Enter step 6;
Step 5:Operating personnel optimize adjustment to the parameter of simulation model, return to step 2;
Step 6:Modeling generates the machining code of corresponding processing unit (plant) according to the simulation model;
Step 7:The machining code is transmitted to the input module of processing unit (plant) by modeling by network module;
Step 8:Processing unit (plant) sets an opposite reference coordinate of itself;
Step 9:By tooth cover locking on positioning clamping device, by adjusting processing platform, the tooth set is driven to be moved to reference to seat Mark;
Step 10:Processing unit (plant) is processed tooth set according to machining code.
5. a kind of tooth according to claim 1 covers processing method, it is characterised in that:The step 9 includes the following steps:
Step 9-1:Tooth set is placed between left folder 10 and right folder 11;
Step 9-2:Start stepper motor 15, left folder 10 and 11 stabilization clamp of right folder handle tooth set;
Step 9-3:Start spindle gear 6, the screw axis set on spindle gear 6 drives processing platform 7 to carry out vertically The movement in direction starts electric sliding rail 2, and the electronic sliding block on electric sliding rail 2 drives the shifting of the progress horizontal direction of processing platform 7 It is dynamic, tooth set is adjusted to reference coordinate position.
CN201810349633.1A 2018-04-18 2018-04-18 A kind of tooth set process equipment and processing method Pending CN108481037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810349633.1A CN108481037A (en) 2018-04-18 2018-04-18 A kind of tooth set process equipment and processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810349633.1A CN108481037A (en) 2018-04-18 2018-04-18 A kind of tooth set process equipment and processing method

Publications (1)

Publication Number Publication Date
CN108481037A true CN108481037A (en) 2018-09-04

Family

ID=63313234

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810349633.1A Pending CN108481037A (en) 2018-04-18 2018-04-18 A kind of tooth set process equipment and processing method

Country Status (1)

Country Link
CN (1) CN108481037A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109765122A (en) * 2019-01-07 2019-05-17 崔云兰 A kind of auto parts and components bending resistance cubing and its application method
CN109765121A (en) * 2019-01-07 2019-05-17 崔云兰 A kind of the anti-bending test mechanism and its method of automobile pipe parts
CN112548510A (en) * 2020-12-10 2021-03-26 镇江建华轴承有限公司 Machining equipment and machining method for small bearing

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528569A (en) * 2012-01-18 2012-07-04 杭州光大机械有限公司 High-efficiency numerical control machine tool of vertical machining center
CN202377802U (en) * 2011-12-19 2012-08-15 浙江浦江齿轮有限公司 Self-centering clamp for drilling center holes
CN103252685A (en) * 2012-02-15 2013-08-21 Emag控股有限公司 A-axis machining apparatus
WO2015096511A1 (en) * 2013-12-24 2015-07-02 沈阳飞机工业(集团)有限公司 Intelligent numerical control machining programming system and method for aircraft structural parts
CN106493439A (en) * 2016-12-14 2017-03-15 长江大学 A kind of spiral bevel gear tooth top chamfering method that is analyzed based on material contact
CN107498360A (en) * 2017-09-18 2017-12-22 湖州吴兴华隆机械有限公司 A kind of clamping device for being used to process auto parts and components
CN107803678A (en) * 2017-10-16 2018-03-16 嵊泗县东升水产冷冻厂 A kind of clamping device suitable for polytype workpiece
CN208262331U (en) * 2018-04-18 2018-12-21 衢州职业技术学院 A kind of tooth set process equipment convenient for positioning

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202377802U (en) * 2011-12-19 2012-08-15 浙江浦江齿轮有限公司 Self-centering clamp for drilling center holes
CN102528569A (en) * 2012-01-18 2012-07-04 杭州光大机械有限公司 High-efficiency numerical control machine tool of vertical machining center
CN103252685A (en) * 2012-02-15 2013-08-21 Emag控股有限公司 A-axis machining apparatus
WO2015096511A1 (en) * 2013-12-24 2015-07-02 沈阳飞机工业(集团)有限公司 Intelligent numerical control machining programming system and method for aircraft structural parts
CN106493439A (en) * 2016-12-14 2017-03-15 长江大学 A kind of spiral bevel gear tooth top chamfering method that is analyzed based on material contact
CN107498360A (en) * 2017-09-18 2017-12-22 湖州吴兴华隆机械有限公司 A kind of clamping device for being used to process auto parts and components
CN107803678A (en) * 2017-10-16 2018-03-16 嵊泗县东升水产冷冻厂 A kind of clamping device suitable for polytype workpiece
CN208262331U (en) * 2018-04-18 2018-12-21 衢州职业技术学院 A kind of tooth set process equipment convenient for positioning

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109765122A (en) * 2019-01-07 2019-05-17 崔云兰 A kind of auto parts and components bending resistance cubing and its application method
CN109765121A (en) * 2019-01-07 2019-05-17 崔云兰 A kind of the anti-bending test mechanism and its method of automobile pipe parts
CN109765121B (en) * 2019-01-07 2021-11-05 合肥龙精灵信息技术有限公司 Bending resistance testing mechanism and method for automobile pipe parts
CN109765122B (en) * 2019-01-07 2021-12-14 南昌申宝汽车部件有限公司 Automobile part bending resistance testing fixture and use method thereof
CN112548510A (en) * 2020-12-10 2021-03-26 镇江建华轴承有限公司 Machining equipment and machining method for small bearing
CN112548510B (en) * 2020-12-10 2022-07-01 镇江建华轴承有限公司 Machining equipment and machining method for small bearing

Similar Documents

Publication Publication Date Title
CN108481037A (en) A kind of tooth set process equipment and processing method
DE102017012075A1 (en) processing station
CN209831118U (en) Double-spindle engraving and milling machine
CN107971750A (en) A kind of small part processes control specific machine
CN206998262U (en) A kind of numerical control drilling-milling all-in-one
CN215998848U (en) Double-groove synchronous milling tool for shaft metal workpiece
CN101214556A (en) Turn-turn broaching numerically-controlled machine tool
CN207577510U (en) High-precise numerically controlled milling machine
CN208262331U (en) A kind of tooth set process equipment convenient for positioning
CN210997648U (en) Four-axis numerical control machining milling machine
CN211614872U (en) Special machine tool for machining automobile joint fork
CN209754510U (en) Numerical control double-shaft drilling and milling machine
CN104551685A (en) Heavy cutting decentring type turn-milling machine tool provided with positive axis with five-axis structure
CN207058053U (en) A kind of armful of slide rail slide and the Digit Control Machine Tool using this armful of slide rail slide
CN207787709U (en) Has the comb formula lathe of multiple processing efficiency
CN214722219U (en) Double-station tray automatic exchange device for machine tool
CN213318807U (en) Multi-station machine tool equipment
CN114101761A (en) Four-station special processing machine equipment system
CN214603032U (en) Quick-change tool machining equipment for repairing cast parts
CN211728485U (en) Rotary tool for numerical control machine tool
CN108620925A (en) The machining center and its working method of a kind of automatic detection and clamping parts
CN101543914B (en) Special machine tool for processing enveloping worms of primary envelope, secondary envelope and conical envelope
CN211489636U (en) Crankshaft turning machine tool
CN202607002U (en) Broaching machine capable of machining end face teeth
CN208132401U (en) One kind two-sided brill of six axis attacks milling special plane

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination