CN107962233A - A kind of adjustable broaching tool set and its manufacture method - Google Patents
A kind of adjustable broaching tool set and its manufacture method Download PDFInfo
- Publication number
- CN107962233A CN107962233A CN201711026277.1A CN201711026277A CN107962233A CN 107962233 A CN107962233 A CN 107962233A CN 201711026277 A CN201711026277 A CN 201711026277A CN 107962233 A CN107962233 A CN 107962233A
- Authority
- CN
- China
- Prior art keywords
- broaching tool
- cushion block
- adjusting
- adjusting screw
- wear plate
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D41/00—Broaching machines or broaching devices characterised only by constructional features of particular parts
- B23D41/04—Broaching machines or broaching devices characterised only by constructional features of particular parts of tool-carrying arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/42—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools broaching tools
Abstract
A kind of adjustable broaching tool set and its manufacture method, broaching tool set includes broaching tool set body, adjusts cushion block, wear plate and adjusting screw, broaching tool set body is divided into installation location division and work department vertically, broaching tool set body central sets broaching tool accommodating cavity, the open broaching tool workspace for forming perforation broaching tool accommodating cavity side wall of the sidepiece of work department, broaching tool are placed in broaching tool accommodating cavity；The madial wall of broaching tool accommodating cavity is equipped with the adjusting cushion block mounting groove of indent, adjusts cushion block top surface and is fixed with wear plate underrun oat tail groove structure；Adjusting screw hole with adjusting the perforation of cushion block mounting groove bottom is set in work department, adjust cushion block and be equipped with adjustment hole, adjusting screw is threaded onto adjusting screw hole and penetrates adjustment hole, adjusting screw front end stays on adjusting cushion block, adjusting cushion block shore spacing, by adjusting adjusting screw fitting depth can support adjust cushion block band with wear plate the lifting moving in cushion block mounting groove is adjusted, so as to adjust the wearing clearance for compensating broaching tool and wear plate.
Description
Technical field
The invention belongs to cutter accessories technical field, is especially covered with a kind of solenoid valve with adjustable broaching tool and processing method has
Close.
Background technology
Solenoid valve is electromagnetically controlled industrial equipment, there is a guide chute, required precision in piston of electromagnetic valve hole
It is of a relatively high, sliding slot processing is now carried out using broaching tool substantially, the broaching tool moved back and forth in process needs what is covered by broaching tool
It is oriented to, to keep the job stability of broaching tool, it is ensured that the dimensional accuracy of solenoid valve hole machined.Existing broaching tool set is with No. 45 steel
For raw material, blank wire cutting forming broach guide groove after Overheating Treatment, broaching tool guide groove surface accuracy is low, makes broaching tool with drawing
Knife guiding rooved face contact is uneven, and broaching tool is process using high-speed steel, the hardness of the long-range about broaching tool set of its hardness, is caused
Broaching tool set in broaching tool guide groove quick abrasion, and broaching tool set size be fixed, therefore, after abrasion need replacing broaching tool set or
The shim liner that corresponding abrasion size is encased inside in original broaching tool set carries out reparation use, this process is very troublesome, and makes product
Precision cannot be guaranteed, and improve enterprise's production cost.Secondly, the afterbody of broaching tool set is circular configuration, is limited after positioning
Position fixation is poor, displacement is easily produced when broaching tool moves stress, so as to reduce the machining accuracy of cutter.
The content of the invention
The purpose of the present invention aims to solve the problem that traditional broaching tool set quick abrasion, repairs the defects of inconvenient for use, there is provided a kind of electromagnetism
Wear-resistant, the adjustable broaching tool set and its manufacture method of valve.
For this reason, the present invention uses following technical scheme：A kind of adjustable broaching tool set of solenoid valve, it is characterized in that, it is described
Broaching tool set includes broaching tool set body, adjusts cushion block, wear plate and adjusting screw, and broaching tool set body is divided into installation location division vertically
And work department, broaching tool set body central set axially through the broaching tool accommodating cavity for broaching tool guide support, the work department
The open broaching tool workspace for forming perforation broaching tool accommodating cavity side wall of sidepiece, broaching tool is placed in broaching tool accommodating cavity, the knife of broaching tool
Tooth overhang out work department sidepiece it is open；The madial wall of the broaching tool accommodating cavity is equipped with the adjusting cushion block mounting groove of indent, institute
State adjusting cushion block to be installed in adjusting cushion block mounting groove, adjust cushion block top surface and the wear plate underrun dovetail groove and dovetail
Tenon structure installation is fixed, and the top surface of wear plate and the bottom surface of the broaching tool contact against；At least one is set in the work department
A adjusting screw hole with adjusting the perforation of cushion block mounting groove bottom, adjusts cushion block and is equipped with and the adjusting screw hole position correspondence and straight
The adjustment hole of line concatenation, the adjusting screw are threaded onto the adjusting screw hole and penetrate the adjustment hole, adjusting screw front end top
Support in the adjusting cushion block, shore spacing to adjusting cushion block, tune can be supported by adjusting the fitting depth of adjusting screw
Section cushion block band lifting moving in cushion block mounting groove is adjusted with wear plate, enables wear plate to be come into full contact with broaching tool, so as to
Adjust the wearing clearance of compensation broaching tool and wear plate.
As the supplement to above-mentioned technical proposal and perfect, present invention additionally comprises following technical characteristic.
The installation location division includes rectangle mounting portion and cylindrical locating portion, and rectangle mounting portion is positioned by cylinder
Portion is linked as entirety with the work department, broaching tool can be covered by rectangle mounting portion and carry out circumferential spacing, cylindrical locating portion
Outside diameter is more than work department outside diameter, forms axial limiting end face, the axial location that broaching tool covers can be carried out spacing.
The dovetail groove for adjusting cushion block top surface and setting indent, the wear plate bottom surface is provided with and the dove tail shape
Corresponding and close-fitting dovetail.
A kind of manufacture method of the broaching tool set, comprises the following steps：
The first step, use 40cr steel cylinder bars as matrix, processes to be formed with installation location division and work department through lathe turning
Broach shell body blank, outside diameter stays 1.2-1.5mm surpluses, and the both ends of broach shell body respectively process circular conical surface length using A2 centre drills
The centre bore for 3-5mm is spent, then drills out the wire cutting wire hole of 8mm along the centre bore in guide sleeve body；
Second step, with milling machine, Milling Process goes out to position plane on the outer circumferential surface of broach shell body mounting portion, unilateral to stay 0.3-0.5mm
Grinding allowance；
3rd step, with drilling machine and screw tap process the adjusting screw hole in the work department；
4th step, be adjusted heat treatment to the broach shell body blank machined, and broach shell body integral hardness is brought up to
HRC40-45 °, room temperature cooling；
5th step, install location division and the cylindrical surface of work department using Double Tops point turning broach shell body, and work department is positioned with installation
Axial limiting end face between portion, stays the finishing grinding allowance of 0.2-0.35mm；
6th step, using Double Tops point fine grinding broach shell body cylindrical surface, precision controlling is between positive and negative 0.01mm, surface roughness control
System is in 0.08um；
7th step, the positioning plane of surface grinding machine fine grinding installation location division, flatness and degree control -0.01 to -
Between 0.02mm, surface roughness is controlled in 0.08um；
8th step, process the intrinsic broaching tool accommodating cavity of broach shell using low-speed WEDM and adjust cushion block mounting groove, first slow
One piece of No. 45 steel tablet is installed, smart slow wire feeding lathe cuts to form broach shell body positioning tool, and precision controlling is in 0 on wire lathe
It is constant that frock position is held in position between to -0.01mm, after excision forming, is put into broach shell body, is drawn through broach shell body central hole
Enter slow wire feeding copper wire, to broaching tool accommodating cavity and adjust cushion block mounting groove progress cutting processing, ensure the symmetry of broaching tool accommodating cavity
And the depth of parallelism is in 0.02mm；
9th step, low-speed WEDM process the opened type broaching tool workspace on the work department sidepiece of broach shell body；
Tenth step, adjust cushion block and wear plate processing, is formed using 40 cr Steel materials by lathe process and adjusts cushion block and wear-resisting
The cylindrical blank body of piece；Then blank body is adjusted heat treatment, blank body hardness is brought up to HRC40-45 °, room temperature is cold
But；
11st step, the cylindrical blank body to thermally treated adjusting cushion block and wear plate are processed using low-speed WEDM and formed
The adjusting cushion block and wear plate of compound size, and according to the position dimension of the adjusting screw hole in the work department on cushion block is adjusted
Correspondence processes adjustment hole；
12nd step, by dovetail groove and dovetail be fixedly installed to adjusting cushion block to distribution structure by the wear plate machined
On, then by the adjusting cushion block mounting groove for adjusting cushion block insertion broaching tool set body, it is directed at the adjustment hole on adjusting cushion block and draws
Adjusting screw hole on broach shell body, is screwed into adjusting screw in adjusting screw hole, forms adjustable broaching tool set finished product.
The present invention can reach following beneficial effect：The present invention adjusts cushion block installation wear plate come support guide by setting
Broaching tool, and adjusted by adjusting screw and adjust the position realization adjusting compensation broaching tool of cushion block and the wearing clearance of wear plate, improve
The wearability of broaching tool set, adds the service life of broaching tool set, changes traditional broaching tool set size and fixes, needs integral replacing
Deficiency, has saved the production cost of enterprise；Processed by using the innovation that low-speed WEDM is first reused to blank heat treatment
Technique processing pulls accommodating cavity, adjusts cushion block mounting groove, adjusts cushion block and wear plate, reduces heat treatment deformation, improves drawing
The machining accuracy and wearability of broach shell.
Brief description of the drawings
Fig. 1 is the structure diagram of broaching tool of the present invention set installation broaching tool.
Fig. 2 is the structure diagram of broaching tool of the present invention set.
Fig. 3 is the polycrystalline substance schematic diagram of broaching tool of the present invention set installation broaching tool.
Fig. 4 is the schematic cross-sectional view of broaching tool of the present invention set.
Fig. 5 is close-up schematic view at a in Fig. 3.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Fig. 1~Fig. 5, broaching tool set of the present invention includes broaching tool set body, adjusts cushion block 6, wear plate 8 and adjusting screw
9, broaching tool set body is divided into installation location division 1 and work department 2 vertically, and installation location division 1 includes rectangle mounting portion 11 and cylinder
Shape location division 12, rectangle mounting portion 11 are linked as entirety by cylindrical locating portion 12 and work department 2, can by rectangle mounting portion 11
Carry out circumferential spacing to be covered to broaching tool, 12 outside diameter of cylindrical locating portion is more than work department outside diameter, formation axial limiting end face, can be with
Axial location progress to broaching tool set is spacing.Broaching tool set body central set axially through the broaching tool for broaching tool guide support
Accommodating cavity 3, the open broaching tool workspace for forming perforation broaching tool accommodating cavity side wall of sidepiece of the work department 2, broaching tool 5 are placed in drawing
In knife accommodating cavity 3, the cutter tooth of broaching tool 5 overhang out work department 2 sidepiece it is open；The madial wall of broaching tool accommodating cavity 3 is equipped with indent
Cushion block mounting groove 4 is adjusted, the adjusting cushion block 6, which is installed on, to be adjusted in cushion block mounting groove 4, adjusts the swallow that cushion block top surface sets indent
Stern notch, the wear plate bottom surface are provided with corresponding with the dove tail shape and close-fitting dovetail, adjust cushion block top surface
Fixed with the wear plate underrun dovetail groove and dovetail structure installation, the top surface of wear plate 8 is contacted with the bottom surface of broaching tool 5
Against；The adjusting screw hole 7 of at least one bottom perforation with adjusting cushion block mounting groove 4 is set in the work department 2, adjusts cushion block
6 are equipped with the adjustment hole concatenated with 7 position correspondence of adjusting screw hole and straight line, and the adjusting screw 9 is threaded onto the adjusting
Screw hole 7 simultaneously penetrates the adjustment hole, and adjusting screw front end stays on the adjusting cushion block 6, carries out shoring limit to adjusting cushion block 6
Position, can support adjusting 6 band of cushion block with wear plate 8 in cushion block mounting groove 4 is adjusted by adjusting the fitting depth of adjusting screw 9
Lifting moving, enables wear plate 8 to be come into full contact with broaching tool 5, so as to adjust the wearing clearance of compensation broaching tool 5 and wear plate 8.
The manufacture method of broaching tool set, comprises the following steps：
The first step, use 40cr steel cylinder bars as matrix, processes to be formed with installation location division and work department through lathe turning
Broach shell body blank, outside diameter stays 1.2-1.5mm surpluses, and the both ends of broach shell body respectively process circular conical surface length using A2 centre drills
The centre bore for 3-5mm is spent, then drills out the wire cutting wire hole of 8mm along the centre bore in guide sleeve body；
Second step, with milling machine, Milling Process goes out to position plane on the outer circumferential surface of broach shell body mounting portion, unilateral to stay 0.3-0.5mm
Grinding allowance；
3rd step, with drilling machine and screw tap process the adjusting screw hole in the work department；
4th step, be adjusted heat treatment to the broach shell body blank machined, and broach shell body integral hardness is brought up to
HRC40-45 °, room temperature cooling；
5th step, install location division and the cylindrical surface of work department using Double Tops point turning broach shell body, and work department is positioned with installation
Axial limiting end face between portion, stays the finishing grinding allowance of 0.2-0.35mm；
6th step, using Double Tops point fine grinding broach shell body cylindrical surface, precision controlling is between positive and negative 0.01mm, surface roughness control
System is in 0.08um；
7th step, the positioning plane of surface grinding machine fine grinding installation location division, flatness and degree control -0.01 to -
Between 0.02mm, surface roughness is controlled in 0.08um；
8th step, process the intrinsic broaching tool accommodating cavity of broach shell using low-speed WEDM and adjust cushion block mounting groove, first slow
One piece of No. 45 steel tablet is installed, smart slow wire feeding lathe cuts to form broach shell body positioning tool, and precision controlling is in 0 on wire lathe
It is constant that frock position is held in position between to -0.01mm, after excision forming, is put into broach shell body, is drawn through broach shell body central hole
Enter slow wire feeding copper wire, to broaching tool accommodating cavity and adjust cushion block mounting groove progress cutting processing, ensure the symmetry of broaching tool accommodating cavity
And the depth of parallelism is in 0.02mm；
9th step, low-speed WEDM process the opened type broaching tool workspace on the work department sidepiece of broach shell body；
Tenth step, adjust cushion block and wear plate processing, is formed using 40 cr Steel materials by lathe process and adjusts cushion block and wear-resisting
The cylindrical blank body of piece；Then blank body is adjusted heat treatment, blank body hardness is brought up to HRC40-45 °, room temperature is cold
But；
11st step, the cylindrical blank body to thermally treated adjusting cushion block and wear plate are processed using low-speed WEDM and formed
The adjusting cushion block and wear plate of compound size, and according to the position dimension of the adjusting screw hole in the work department on cushion block is adjusted
Correspondence processes adjustment hole；
12nd step, by dovetail groove and dovetail be fixedly installed to adjusting cushion block to distribution structure by the wear plate machined
On, then by the adjusting cushion block mounting groove for adjusting cushion block insertion broaching tool set body, it is directed at the adjustment hole on adjusting cushion block and draws
Adjusting screw hole on broach shell body, is screwed into adjusting screw in adjusting screw hole, forms adjustable broaching tool set finished product.
Claims (4)
- A kind of 1. adjustable broaching tool set of solenoid valve, it is characterised in that：The broaching tool set includes broaching tool set body, adjusts cushion block （6）, wear plate（8）And adjusting screw（9）, broaching tool set body is divided into vertically installs location division（1）And work department（2）, broaching tool Cover body central set axially through the broaching tool accommodating cavity for broaching tool guide support（3）, the work department（2）Sidepiece open Mouth forms the broaching tool workspace of perforation broaching tool accommodating cavity side wall, broaching tool（5）It is placed in broaching tool accommodating cavity（3）In, broaching tool（5）Knife Tooth overhangs out work department（2）Sidepiece it is open；The broaching tool accommodating cavity（3）Madial wall be equipped with indent adjusting cushion block install Groove（4）, the adjusting cushion block（6）It is installed on adjusting cushion block mounting groove（4）In, adjust cushion block top surface and lead to the wear plate bottom surface Cross dovetail groove and dovetail structure installation is fixed, wear plate（8）Top surface and the broaching tool（5）Bottom surface contact against；Institute State work department（2）It is upper that at least one and adjusting cushion block mounting groove is set（4）Bottom perforation adjusting screw hole（7）, adjust cushion block （6）It is equipped with and the adjusting screw hole（7）The adjustment hole of position correspondence and straight line concatenation, the adjusting screw（9）It is threaded onto institute State adjusting screw hole（7）And the adjustment hole is penetrated, adjusting screw front end stays on the adjusting cushion block（6）, to adjusting cushion block（6） Shore it is spacing, by adjusting adjusting screw（9）Fitting depth can support adjusting cushion block（6）With same wear plate（8） Adjust cushion block mounting groove（4）Middle lifting moving, makes wear plate（8）With broaching tool（5）It can come into full contact with, be drawn so as to adjust compensation Knife（5）With wear plate（8）Wearing clearance.
- A kind of 2. adjustable broaching tool set of solenoid valve according to claim 1, it is characterised in that：The installation location division （1）Including rectangle mounting portion（11）And cylindrical locating portion（12）, rectangle mounting portion（11）Pass through cylindrical locating portion（12）With The work department（2）Entirety is linked as, passes through rectangle mounting portion（11）Broaching tool can be covered and carry out circumferential spacing, cylinder positioning Portion（12）Outside diameter is more than work department outside diameter, forms axial limiting end face, the axial location that broaching tool covers can be carried out spacing.
- A kind of 3. adjustable broaching tool set of solenoid valve according to claim 2, it is characterised in that：The adjusting cushion block top surface The dovetail groove of indent is set, and the wear plate bottom surface is provided with corresponding with the dove tail shape and close-fitting dovetail.
- 4. a kind of manufacture method of the broaching tool set, it is characterised in that comprise the following steps：The first step, use 40cr steel cylinder bars as matrix, processes to be formed with installation location division and work department through lathe turning Broach shell body blank, outside diameter stays 1.2-1.5mm surpluses, and the both ends of broach shell body respectively process circular conical surface length using A2 centre drills The centre bore for 3-5mm is spent, then drills out the wire cutting wire hole of 8mm along the centre bore in guide sleeve body；Second step, with milling machine, Milling Process goes out to position plane on the outer circumferential surface of broach shell body mounting portion, unilateral to stay 0.3-0.5mm Grinding allowance；3rd step, with drilling machine and screw tap process the adjusting screw hole in the work department；4th step, be adjusted heat treatment to the broach shell body blank machined, and broach shell body integral hardness is brought up to HRC40-45 °, room temperature cooling；5th step, install location division and the cylindrical surface of work department using Double Tops point turning broach shell body, and work department is positioned with installation Axial limiting end face between portion, stays the finishing grinding allowance of 0.2-0.35mm；6th step, using Double Tops point fine grinding broach shell body cylindrical surface, precision controlling is between positive and negative 0.01mm, surface roughness control System is in 0.08um；7th step, the positioning plane of surface grinding machine fine grinding installation location division, flatness and degree control -0.01 to - Between 0.02mm, surface roughness is controlled in 0.08um；8th step, process the intrinsic broaching tool accommodating cavity of broach shell using low-speed WEDM and adjust cushion block mounting groove, first slow One piece of No. 45 steel tablet is installed, smart slow wire feeding lathe cuts to form broach shell body positioning tool, and precision controlling is in 0 on wire lathe It is constant that frock position is held in position between to -0.01mm, after excision forming, is put into broach shell body, is drawn through broach shell body central hole Enter slow wire feeding copper wire, to broaching tool accommodating cavity and adjust cushion block mounting groove progress cutting processing, ensure the symmetry of broaching tool accommodating cavity And the depth of parallelism is in 0.02mm；9th step, low-speed WEDM process the opened type broaching tool workspace on the work department sidepiece of broach shell body；Tenth step, adjust cushion block and wear plate processing, is formed using 40 cr Steel materials by lathe process and adjusts cushion block and wear-resisting The cylindrical blank body of piece；Then blank body is adjusted heat treatment, blank body hardness is brought up to HRC40-45 °, room temperature is cold But；11st step, the cylindrical blank body to thermally treated adjusting cushion block and wear plate are processed using low-speed WEDM and formed The adjusting cushion block and wear plate of compound size, and according to the position dimension of the adjusting screw hole in the work department on cushion block is adjusted Correspondence processes adjustment hole；12nd step, by dovetail groove and dovetail be fixedly installed to adjusting cushion block to distribution structure by the wear plate machined On, then by the adjusting cushion block mounting groove for adjusting cushion block insertion broaching tool set body, it is directed at the adjustment hole on adjusting cushion block and draws Adjusting screw hole on broach shell body, is screwed into adjusting screw in adjusting screw hole, forms adjustable broaching tool set finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026277.1A CN107962233B (en) | 2017-10-27 | 2017-10-27 | A kind of adjustable broaching tool set and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026277.1A CN107962233B (en) | 2017-10-27 | 2017-10-27 | A kind of adjustable broaching tool set and its manufacturing method |
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| Publication Number | Publication Date |
|---|---|
| CN107962233A true CN107962233A (en) | 2018-04-27 |
| CN107962233B CN107962233B (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711026277.1A Active CN107962233B (en) | 2017-10-27 | 2017-10-27 | A kind of adjustable broaching tool set and its manufacturing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014811A (en) * | 2019-12-18 | 2020-04-17 | 河南蒲瑞精密机械有限公司 | Automatic shim cutter mechanism for broaching key groove |
| CN112846781A (en) * | 2021-01-11 | 2021-05-28 | 张振兴 | Combined machine tool for machining shaft parts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62107914A (en) * | 1985-11-06 | 1987-05-19 | Toshiba Corp | Broach |
| CN202180226U (en) * | 2011-07-26 | 2012-04-04 | 苏州亚太金属有限公司 | Broaching tool for tooth-positioning keyway |
| CN103639470A (en) * | 2013-11-25 | 2014-03-19 | 大连安达有色金属铸造有限公司 | Broacher for machining propeller key groove |
| CN106334912A (en) * | 2016-08-31 | 2017-01-18 | 浙江台玖精密机械有限公司 | Broacher broaching tool die and machining technology thereof |
-
2017
- 2017-10-27 CN CN201711026277.1A patent/CN107962233B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62107914A (en) * | 1985-11-06 | 1987-05-19 | Toshiba Corp | Broach |
| CN202180226U (en) * | 2011-07-26 | 2012-04-04 | 苏州亚太金属有限公司 | Broaching tool for tooth-positioning keyway |
| CN103639470A (en) * | 2013-11-25 | 2014-03-19 | 大连安达有色金属铸造有限公司 | Broacher for machining propeller key groove |
| CN106334912A (en) * | 2016-08-31 | 2017-01-18 | 浙江台玖精密机械有限公司 | Broacher broaching tool die and machining technology thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014811A (en) * | 2019-12-18 | 2020-04-17 | 河南蒲瑞精密机械有限公司 | Automatic shim cutter mechanism for broaching key groove |
| CN112846781A (en) * | 2021-01-11 | 2021-05-28 | 张振兴 | Combined machine tool for machining shaft parts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107962233B (en) | 2019-03-19 |
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Effective date of registration: 20211230 Address after: Room 413, Shangkun Zixuan Plaza, 338 Zixuan Road, Sandun Town, Xihu District, Hangzhou, Zhejiang 310000 Patentee after: Hangzhou liangchuang Technology Consulting Co.,Ltd. Address before: 310018 Zhejiang Economic and Trade Vocational and technical college, 280 Xuelin street, East District, Xiasha Higher Education Park, Hangzhou, Zhejiang Province Patentee before: ZHEJIANG ECONOMIC & TRADE POLYTECHNIC |
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Effective date of registration: 20230524 Address after: 723000 Weiqi Road, Economic Development Zone (North District), Hanzhong, Shaanxi Patentee after: Hanzhoung Zhihai precision machine tools Co.,Ltd. Address before: Room 413, Shangkun Zixuan Plaza, 338 Zixuan Road, Sandun Town, Xihu District, Hangzhou, Zhejiang 310000 Patentee before: Hangzhou liangchuang Technology Consulting Co.,Ltd. |