CN108655437A - A kind of air pressure diaphragm spring collet main shaft - Google Patents
A kind of air pressure diaphragm spring collet main shaft Download PDFInfo
- Publication number
- CN108655437A CN108655437A CN201810625270.XA CN201810625270A CN108655437A CN 108655437 A CN108655437 A CN 108655437A CN 201810625270 A CN201810625270 A CN 201810625270A CN 108655437 A CN108655437 A CN 108655437A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- diaphragm spring
- collet
- push rod
- bearing block
- 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
Links
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16287—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially using fluid-pressure means to actuate the gripping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
Abstract
The present invention provides a kind of air pressure diaphragm spring collet main shafts, belong to field of mechanical technique.This air pressure diaphragm spring collet main shaft includes axis fixed seat, air inlet connecting headstock is installed in axis fixed seat, bearing block is equipped in axis fixed seat, it is equipped with main shaft in bearing block and is equipped between main shaft and bearing block into air-casing, main shaft head end is equipped with support column, piston is equipped between support column and main shaft, and it is connected by inlet channel between piston and air inlet connecting headstock, it is equipped with diaphragm spring seat in main shaft head end end, the collet being equipped on the outside of diaphragm spring and diaphragm spring for clamping workpiece is equipped on diaphragm spring seat, diaphragm spring can be made to deform by piston when inlet channel air inlet and keep collet in clamped condition, it is equipped with the driving wheel of energy driving spindle rotation in rear-end of spindle.The present invention has the advantages that simple in structure, good clamping effect.
Description
Technical field
The invention belongs to field of mechanical technique, and in particular to a kind of air pressure diaphragm spring collet main shaft.
Background technology
Collet main shaft collocation precise NC lathe, precise finiss bed or the work of various Precision Machining special-purpose machinery,
Applied to the clamping processing of thin ring workpiece, light wall pipe workpiece or various fragile workpiece, can ensure that workpiece do not destroyed by chucking power or
Deformation has been successfully applied to Precision Machinery Elements, precise electronic part, optical element, military part, medical part etc. at present
The clamping of a variety of precision components is processed.
Current market is mainly shown as single product collet, and on brill/milling machine, function is to clamp drill or milling
Knife.If the long-term use of collet, abrasion just will appear folder loosely workpiece phenomenon more than certain limit, directly affect processing
Precision and production efficiency, at this moment collet scrap, the invisible manufacturing cost for increasing fixture, improve wearability, must just carry
The hardness of high collet, and excessive high hardness collet elasticity weakens, service life is short.
For collet, clamping force is crucial, is the power that lathe is applied to through collet on workpiece, the spring of existing product
Collet is tensed by the rear end internal thread connection of the outside nut and collet of pull rod, axial tension is generated, then by lathe master
Axial tension is converted into a clamping force perpendicular to collet center, spring by the conical surface for being referred to as lock corner of axis front end
Collet must keep identical as the positioning datum of workpiece (or cutter) such as main shaft, the phase between collet and workpiece (or cutter)
Incorrect part will be caused to process movement, relative rotation between collet and workpiece (or cutter) or moved to axial
It is dynamic all the consistency of workpieces processing size and geometric accuracy to be made to be affected.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of simple in structure, clamping effect
Good air pressure diaphragm spring collet main shaft.
Object of the invention can be realized by the following technical scheme:A kind of air pressure diaphragm spring collet main shaft, feature
It is, including axis fixed seat, air inlet connecting headstock is installed in axis fixed seat, bearing block is equipped in axis fixed seat, in bearing block
It is inside equipped with main shaft and is equipped between main shaft and bearing block into air-casing, main shaft head end is equipped with support column, in support column and main shaft
Between be equipped with piston, and be connected by inlet channel between piston and air inlet connecting headstock, film be equipped in main shaft head end end
Flat spring seat is equipped with the collet being equipped on the outside of diaphragm spring and diaphragm spring for clamping workpiece on diaphragm spring seat, when into
Diaphragm spring can be made to deform by piston when gas channel inlet and keep collet in clamped condition, being equipped in rear-end of spindle can drive
The driving wheel of main axis.
In above-mentioned air pressure diaphragm spring collet main shaft, push rod is equipped in main shaft, push rod head end is stretched across main shaft
Enter to collet, is equipped with pushing rod sleeve in main shaft end, push rod passes through pushing rod sleeve and is equipped with energy driving push rod in push rod end
The cylinder axially to move linearly.
In above-mentioned air pressure diaphragm spring collet main shaft, it is arranged with push rod bearing block in main shaft end, pushing rod sleeve is located at
Push rod bearing and secondary fastening screw nut are equipped in push rod bearing block and between pushing rod sleeve and push rod bearing block.
In above-mentioned air pressure diaphragm spring collet main shaft, it is equipped with trim ring in bearing block head end, is equipped in bearing base rear end
End cap.
In above-mentioned air pressure diaphragm spring collet main shaft, cylinder fixed seat, the gas are equipped in axis fixed seat end
Cylinder is installed in cylinder fixed seat, and the end cap, driving wheel and push rod bearing block are respectively positioned in cylinder fixed seat.
In above-mentioned air pressure diaphragm spring collet main shaft, be equipped between main shaft and bearing block two groups by preceding end bearing and
The bearing assembly of main fastening screw nut composition, and two groups of bearing assemblies are respectively in into air-casing both sides.
Compared with prior art, the present invention has the following advantages:
1, air inlet connecting headstock external gas pumps, and is delivered the air at piston by inlet channel and piston is pushed to move, from
And so that diaphragm spring is deformed and make collet by Workpiece clamping, then driving wheel drives main shaft high-speed rotation, reaches workpiece grinding effect
The opening of fruit, collet is controlled by piston, into the cylinder piston component that air-casing and air inlet connecting headstock form, and the generation of clamping force is by film
The deformation of flat spring is formed, and axial force is not formed, and is reached and is simplified component, is reduced because operation factors have an impact axial tension
Size and caused by workpiece it is unstable, to solve spindle nose consistency problem, reduce by two monomer break-in links, ensure control journey
Sequence integrality, adaptability.
2, push rod is equipped in main shaft, push rod head end is stretched to across main shaft in collet, is equipped with and is pushed away in main shaft end
Rod set, push rod pass through pushing rod sleeve and are equipped with the cylinder that energy driving push rod axially moves linearly in push rod end, work as work pieces process
After the completion, when collet unclamps, push rod is moved axially forward in the presence of cylinder, to release workpiece from collet.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
In figure, 1, workpiece;2, collet;3, diaphragm spring;4, diaphragm spring seat;5, piston;6, support column;7, main shaft;8、
Trim ring;9, preceding end bearing;10, main fastening screw nut;11, end cap;12, driving wheel;13, push rod bearing block;14, push rod bearing;15、
Secondary fastening screw nut;16, pushing rod sleeve;17, push rod;18, cylinder;19, cylinder fixed seat;20, inlet channel;21, axis fixed seat;
22, air inlet connecting headstock;23, bearing block;24, into air-casing.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, this air pressure diaphragm spring collet main shaft includes axis fixed seat 21, air inlet is installed in axis fixed seat 21
Plinth 22 is equipped with bearing block 23 in axis fixed seat 21, main shaft 7 is equipped in bearing block 23 and in main shaft 7 and bearing block
It is equipped between 23 into air-casing 24,7 head end of main shaft is equipped with support column 6, and piston 5, and piston 5 are equipped between support column 6 and main shaft 7
It is connected by inlet channel 20 between air inlet connecting headstock 22, diaphragm spring seat 4 is equipped in 7 head end end of main shaft, in film
Flat spring seat 4 is equipped with diaphragm spring 3 and 3 outside of diaphragm spring is equipped with the collet 2 for being used for clamping workpiece 1, when inlet channel 20
Diaphragm spring 3 can be made to deform by piston 5 when air inlet and keep collet 2 in clamped condition, master can be driven by being equipped in 7 rear end of main shaft
The driving wheel 12 that axis 7 rotates.
When workpiece 1 is positioned at collet 2,22 external air pump of air inlet connecting headstock, by inlet channel 20 by air delivery
At to piston 5 and piston 5 is pushed to move, to make diaphragm spring 3 deform and collet 2 is made to clamp workpiece 1, then driving wheel 12
7 high-speed rotation of main shaft is driven, 1 grinding effect of workpiece is reached.
The opening of collet 2 is controlled by piston 5, into the cylinder piston component that air-casing 24 and air inlet connecting headstock 22 form, and is clamped
The generation of power is formed by the deformation of diaphragm spring 3, does not form axial force, is reached and is simplified component, is reduced because operation factors are produced
Simultaneously caused workpiece 1 is unstable for the raw size for influencing axial tension, to solve spindle nose consistency problem, reduces by two monomer break-ins
Link ensures control process integrity, adaptability.
Piston 5 contacts sealing with diaphragm spring 3, has the function of the anti-cutting fluid of dustproof and waterproof, to reduce (general bullet
Need to carry out workpiece when unclamping in spring collet use and exchange, collet bore area spraying a thin layer lubricant reach it is cooling and
The purpose of flushing) process, processing efficiency is improved, and piston 5 is not in direct contact with collet 2, collet 2 is worn slowly, 2 energy of collet
Precision is kept for a long time.
Push rod 17 is equipped in main shaft 7,17 head end of push rod is stretched to across main shaft 7 in collet 2, is worn in 7 end of main shaft
Equipped with pushing rod sleeve 16, push rod 17 passes through pushing rod sleeve 16 and is equipped with what energy driving push rod 17 axially moved linearly in 17 end of push rod
Cylinder 18.Push rod 17 is connected with cylinder 18, when workpiece 1 after processing is completed, collet 2 unclamp when, effect of the push rod 17 in cylinder 18
Under it is moved axially forward, so that workpiece 1 be released from collet 2.
It is arranged with push rod bearing block 13 in 7 end of main shaft, pushing rod sleeve 16 is located in push rod bearing block 13 and in pushing rod sleeve 16
Push rod bearing 14 and secondary fastening screw nut 15 are equipped between push rod bearing block 13.
Be equipped with trim ring 8 in 23 head end of bearing block, end cap 11 be equipped in 23 rear end of bearing block, bearing block 23 and main shaft 7 it
Between be equipped with two groups of bearing assemblies being made of preceding end bearing 9 and main fastening screw nut 10, and two groups of bearing assemblies are respectively in air inlet
24 both sides are covered, main shaft 7, and the bearing group being incorporated between bearing block 23 and main shaft 7 are limited by the way that trim ring 8 and end cap 11 are front and back
Part plays the role of limiting the axial movement of main shaft 7.
It is equipped with cylinder fixed seat 19 in 21 end of axis fixed seat, the cylinder 18 is installed in cylinder fixed seat 19, institute
End cap 11, driving wheel 12 and the push rod bearing block 13 stated are respectively positioned in cylinder fixed seat 19, and cylinder fixed seat 19 is applied not only to pacify
It fills cylinder 18 to use, while otherwise exposed being hidden in end cap 11, driving wheel 12 and the push rod bearing block 13 in axis fixed seat 21
It is interior, the case where avoiding external impurities and obscure to driving wheel 12 and main shaft 7, prevent driving wheel 12 from accidentally injuring worker at work,
Play the role of safeguard protection.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (6)
1. a kind of air pressure diaphragm spring collet main shaft, which is characterized in that including axis fixed seat, air inlet connecting is equipped in axis fixed seat
Headstock is equipped with bearing block in axis fixed seat, and main shaft is equipped in bearing block and is equipped with air inlet between main shaft and bearing block
Set, main shaft head end be equipped with support column, between support column and main shaft be equipped with piston, and between piston and air inlet connecting headstock by into
Gas channel is connected, and is equipped with diaphragm spring seat in main shaft head end end, diaphragm spring and diaphragm are equipped on diaphragm spring seat
Spring outwards are equipped with the collet for clamping workpiece, diaphragm spring can be made to deform by piston when inlet channel air inlet and make folder
It is in clamped condition, rear-end of spindle be equipped with can driving spindle rotation driving wheel.
2. air pressure diaphragm spring collet main shaft according to claim 1, which is characterized in that push rod is equipped in main shaft,
Push rod head end is stretched to across main shaft in collet, is equipped with pushing rod sleeve in main shaft end, push rod passes through pushing rod sleeve and at push rod end
End is equipped with the cylinder that energy driving push rod axially moves linearly.
3. air pressure diaphragm spring collet main shaft according to claim 2, which is characterized in that be arranged with push rod in main shaft end
Bearing block, pushing rod sleeve are located in push rod bearing block and are equipped with push rod bearing and secondary and tight spiral shell between pushing rod sleeve and push rod bearing block
It is female.
4. air pressure diaphragm spring collet main shaft according to claim 3, which is characterized in that be equipped with pressure in bearing block head end
Circle is equipped with end cap in bearing base rear end.
5. air pressure diaphragm spring collet main shaft according to claim 4, which is characterized in that be equipped with gas in axis fixed seat end
Cylinder fixed seat, the cylinder are installed in cylinder fixed seat, and the end cap, driving wheel and push rod bearing block are respectively positioned on cylinder
In fixed seat.
6. air pressure diaphragm spring collet main shaft according to claim 5, which is characterized in that set between main shaft and bearing block
The bearing assembly being made of preceding end bearing and main fastening screw nut by two groups, and two groups of bearing assemblies are respectively in into air-casing both sides.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810625270.XA CN108655437A (en) | 2018-06-18 | 2018-06-18 | A kind of air pressure diaphragm spring collet main shaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810625270.XA CN108655437A (en) | 2018-06-18 | 2018-06-18 | A kind of air pressure diaphragm spring collet main shaft |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108655437A true CN108655437A (en) | 2018-10-16 |
Family
ID=63775945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810625270.XA Pending CN108655437A (en) | 2018-06-18 | 2018-06-18 | A kind of air pressure diaphragm spring collet main shaft |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108655437A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110560718A (en) * | 2019-09-18 | 2019-12-13 | 洪育汉 | self-locking spring chuck and implementation method thereof |
Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05245756A (en) * | 1991-03-19 | 1993-09-24 | Toyoda Mach Works Ltd | Machine tool provided with oscillation function |
KR20040054400A (en) * | 2002-12-18 | 2004-06-25 | 대우종합기계 주식회사 | Sub-Spindle Spring Type Work-Piece Ejector |
CN201183127Y (en) * | 2008-03-07 | 2009-01-21 | 宁波市邱隘思必达轴承厂 | Pneumatic clamp device |
JP2009226521A (en) * | 2008-03-21 | 2009-10-08 | Citizen Machinery Co Ltd | Workpiece discharge device and machine tool equipped with workpiece discharge device |
CN201446437U (en) * | 2009-05-27 | 2010-05-05 | 南京数控机床有限公司 | Axial positioning device for clamping and processing small work pieces by spring chucks for machine tool main shaft |
CN201552345U (en) * | 2009-12-15 | 2010-08-18 | 天津第一机床总厂 | Workpiece clamping and loosening device for pinion spindle box of numerical-control spiral bevel gear lapping machine |
CN202292210U (en) * | 2011-08-24 | 2012-07-04 | 东莞市鑫德机械科技有限公司 | Internal-expanding and external-clamping type pneumatic chuck |
CN202921949U (en) * | 2012-08-08 | 2013-05-08 | 常州倍得福机械科技有限公司 | Dynamic accurate sleeve clamping head |
CN203495692U (en) * | 2013-10-15 | 2014-03-26 | 武汉普瑞赛斯精密机械有限公司 | Novel rapid clamping device of grinding machine |
CN105149981A (en) * | 2015-06-23 | 2015-12-16 | 北京一川创业数控设备有限责任公司 | Special-purpose disk spring type clamping and loosening device of lathe |
CN204913593U (en) * | 2015-09-01 | 2015-12-30 | 宁波容大光电科技有限公司 | Grabbing device of pottery lock pin facing (operation) |
CN106141213A (en) * | 2016-08-16 | 2016-11-23 | 广州市昊志机电股份有限公司 | A kind of air-flotation electric spindle |
CN206010791U (en) * | 2016-08-31 | 2017-03-15 | 北京超同步伺服股份有限公司 | Grinder Spindle for indexing means |
CN206952632U (en) * | 2017-04-17 | 2018-02-02 | 东莞市工匠五金有限公司 | A kind of digital control lathes pneumatic Automatic-clamping feed device |
CN207386577U (en) * | 2017-08-24 | 2018-05-22 | 江苏华雕机械有限公司 | A kind of high speed artificial tooth engraving machine special pneumatic tool changing electrical spindle |
CN208513665U (en) * | 2018-06-18 | 2019-02-19 | 宁波锋行自动化科技有限公司 | A kind of air pressure diaphragm spring collet main shaft |
-
2018
- 2018-06-18 CN CN201810625270.XA patent/CN108655437A/en active Pending
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05245756A (en) * | 1991-03-19 | 1993-09-24 | Toyoda Mach Works Ltd | Machine tool provided with oscillation function |
KR20040054400A (en) * | 2002-12-18 | 2004-06-25 | 대우종합기계 주식회사 | Sub-Spindle Spring Type Work-Piece Ejector |
CN201183127Y (en) * | 2008-03-07 | 2009-01-21 | 宁波市邱隘思必达轴承厂 | Pneumatic clamp device |
JP2009226521A (en) * | 2008-03-21 | 2009-10-08 | Citizen Machinery Co Ltd | Workpiece discharge device and machine tool equipped with workpiece discharge device |
CN201446437U (en) * | 2009-05-27 | 2010-05-05 | 南京数控机床有限公司 | Axial positioning device for clamping and processing small work pieces by spring chucks for machine tool main shaft |
CN201552345U (en) * | 2009-12-15 | 2010-08-18 | 天津第一机床总厂 | Workpiece clamping and loosening device for pinion spindle box of numerical-control spiral bevel gear lapping machine |
CN202292210U (en) * | 2011-08-24 | 2012-07-04 | 东莞市鑫德机械科技有限公司 | Internal-expanding and external-clamping type pneumatic chuck |
CN202921949U (en) * | 2012-08-08 | 2013-05-08 | 常州倍得福机械科技有限公司 | Dynamic accurate sleeve clamping head |
CN203495692U (en) * | 2013-10-15 | 2014-03-26 | 武汉普瑞赛斯精密机械有限公司 | Novel rapid clamping device of grinding machine |
CN105149981A (en) * | 2015-06-23 | 2015-12-16 | 北京一川创业数控设备有限责任公司 | Special-purpose disk spring type clamping and loosening device of lathe |
CN204913593U (en) * | 2015-09-01 | 2015-12-30 | 宁波容大光电科技有限公司 | Grabbing device of pottery lock pin facing (operation) |
CN106141213A (en) * | 2016-08-16 | 2016-11-23 | 广州市昊志机电股份有限公司 | A kind of air-flotation electric spindle |
CN206010791U (en) * | 2016-08-31 | 2017-03-15 | 北京超同步伺服股份有限公司 | Grinder Spindle for indexing means |
CN206952632U (en) * | 2017-04-17 | 2018-02-02 | 东莞市工匠五金有限公司 | A kind of digital control lathes pneumatic Automatic-clamping feed device |
CN207386577U (en) * | 2017-08-24 | 2018-05-22 | 江苏华雕机械有限公司 | A kind of high speed artificial tooth engraving machine special pneumatic tool changing electrical spindle |
CN208513665U (en) * | 2018-06-18 | 2019-02-19 | 宁波锋行自动化科技有限公司 | A kind of air pressure diaphragm spring collet main shaft |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110560718A (en) * | 2019-09-18 | 2019-12-13 | 洪育汉 | self-locking spring chuck and implementation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201931307U (en) | External circular lathe clamp of sheet parts | |
CN201446425U (en) | Clamping mechanism for spring chuck to hold parts on lathe | |
CN106694929B (en) | A kind of grip device of processing thin-walled cylinder ring parts | |
US20110135416A1 (en) | Spindle apparatus for receiving and driving a tool holder | |
CN101066581A (en) | Plain grinding machine | |
CN111515616A (en) | Machining method of precision bearing seat | |
CN201483261U (en) | Self-aligning combined fixture | |
CN208513665U (en) | A kind of air pressure diaphragm spring collet main shaft | |
CN108655437A (en) | A kind of air pressure diaphragm spring collet main shaft | |
CN101618514A (en) | Fixture of excircle of finish-turning piston skirt | |
CN113231703B (en) | Self-adaptive tool cathode and complex internal channel electrolytic finishing method | |
CN108788205A (en) | A kind of hydroelastic system collet and its clamping method | |
CN212734184U (en) | Oil-gas double-control anti-deformation tailstock | |
CN208409573U (en) | A kind of workpiece electro spindle for numerical control tool grinder | |
CN107511725B (en) | Precise movable center device | |
CN111496485A (en) | Machining deformation control process for 4J32 material thin-wall ring part | |
CN103567628B (en) | A kind of spring provides the friction welding power chuck of power | |
CN214185775U (en) | Rear chuck for laser cutting machine | |
CN1329670C (en) | Processing method of deep trough ball bearig ball sbaped pocket hole cage | |
CN210060618U (en) | Numerical control high-precision cylindrical grinding machine | |
CN204366348U (en) | Surface of the work calendering device | |
CN113118801A (en) | Special fixture for copper bush part machining | |
CN207840189U (en) | Double expander clamp for thin-walled part | |
CN101890517A (en) | Power device for automatic chuck of lathe | |
CN112317773A (en) | Turning and milling composite spindle turning and milling rotary cutting transmission device and working method |
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 |