CN101306514A - Pivot super precise grinding machine - Google Patents

Pivot super precise grinding machine Download PDF

Info

Publication number
CN101306514A
CN101306514A CNA2007100408063A CN200710040806A CN101306514A CN 101306514 A CN101306514 A CN 101306514A CN A2007100408063 A CNA2007100408063 A CN A2007100408063A CN 200710040806 A CN200710040806 A CN 200710040806A CN 101306514 A CN101306514 A CN 101306514A
Authority
CN
China
Prior art keywords
grinding machine
pivot
precise grinding
platform
placing
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
CNA2007100408063A
Other languages
Chinese (zh)
Inventor
程建伟
范宏
杨伯南
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.)
SHANGHAI BENQIU PRECISION MACHINERY CO Ltd
Original Assignee
SHANGHAI BENQIU PRECISION MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI BENQIU PRECISION MACHINERY CO Ltd filed Critical SHANGHAI BENQIU PRECISION MACHINERY CO Ltd
Priority to CNA2007100408063A priority Critical patent/CN101306514A/en
Publication of CN101306514A publication Critical patent/CN101306514A/en
Pending legal-status Critical Current

Links

Abstract

The invention disclose a spindle superfine grinding machine including a machine frame with an operating desk, as well as a workpiece seat, a grinding device and a material loading device which are arranged on the operating desk, wherein the workpiece seat includes three rollers which are arranged in parallel, every two adjacent rollers form a grinding service position; the grinding device includes two channel grinding devices respectively corresponding to the two grinding service positions, so as to process channels on the workpieces in the grinding service positions; the material loading device includes a feeding mechanism, a material placing platform and a material pushing frame, wherein the material placing platform is arranged in front of the workpiece seat, the feeding mechanism is arranged above the material placing platform for sending the workpieces to the material placing platform, and the material pushing frame is arranged at the front end of the material placing platform for respectively pushing the workpieces to the two grinding service positions from the material placing platform. The spindle superfine grinding machine has the advantages of fully automatic running, precise processing and so on.

Description

Pivot super precise grinding machine
Technical field
The present invention relates to a kind of mandrel grinder, relate in particular to a kind of pivot super precise grinding machine with raceway groove.
Background technology
Bearing is a kind of part that is widely used in mechanical field, along with the progress of mechanical technique, the precision requirement of bearing is improved day by day.The precision of bearing and axle is directly connected to the performance and the life-span of mechanical system.The bearing and the mandrel of the special use of for example a kind of biserial weaving loom are provided with raceway groove in its middle (center) bearing, and the mandrel surface also is provided with raceway groove, wherein cooperate by steel ball between the raceway groove of bearing and mandrel, so the roughness of channel surface, raceway groove circularity etc. are the keys of processing.
Use a kind of manual super precise grinding machine to process this type of mandrel at present, it generally is to be provided with at least one manual station, holds workpiece by the workman then and carry out attrition process on station.But there are some significant disadvantage in this manual machine, at first is efficiency, and manual machine needs artificial material loading, blanking, and consuming time many, a people can only handle an equipment; Secondly, portable grinding machine fine abrasive workpiece need divide slightly and surpass, essence surpasses two steps, and beat is slow, and efficient is low; Moreover, the workpiece raceway groove comparatively coarse (roughness is higher) of manual fine abrasive, raceway groove circularity is not high, and the poor instability in ditch footpath of raceway groove causes of low quality; At last, manually the super precise grinding machine of control does not have outer protection, safety inadequately.
Summary of the invention
Technical problem to be solved by this invention provides a kind of full automatic more high-precision pivot super precise grinding machine that has.
The present invention solves the problems of the technologies described above the technical scheme that adopts to provide a kind of pivot super precise grinding machine, comprise frame and be located at workseat, lapping device and feeding device on the operating desk with an operating desk, wherein: described workseat comprises three cylinders that be arranged in parallel, forms a ground station respectively between two wherein adjacent cylinders; Described lapping device comprises two raceway groove lapping devices, and respectively corresponding described two ground station settings are in order to carry out raceway groove processing to the workpiece in the ground station; Described feeding device comprises a feed mechanism, a platform for placing material and a material-pushing frame, described platform for placing material places described workseat the place ahead, described feed mechanism is positioned at described platform for placing material top, in order to workpiece is delivered to described platform for placing material, described material-pushing frame is located at described platform for placing material front end, in order to workpiece is pushed described two ground stations respectively from described platform for placing material.
In the above-mentioned pivot super precise grinding machine, each described raceway groove lapping device comprises a pedestal, a horizontal shift cylinder, a swing planker, a vertical movement cylinder, a yaw and a wobble drive mechanism; Described horizontal shift cylinder is located at pedestal one side, and described swing planker is located at the pedestal opposite side, and is connected with the horizontal shift cylinder; Described vertical movement cylinder is located on the swing planker, and described yaw also is located on the described swing planker, and is connected with the vertical movement cylinder; The swing planker has a balance staff, and balance staff one end is connected with described wobble drive mechanism, and the balance staff other end is connected with described yaw.
In the above-mentioned pivot super precise grinding machine, described yaw comprises oilstone folder, the oilstone of being located at the oilstone folder of being located at the yaw end, the pressing plate of being located at the oilstone top and the oilstone compensation cylinder that described pressing plate is pressurizeed.
In the above-mentioned pivot super precise grinding machine, described feed mechanism comprises that a portal frame, that is across described workseat top is located at a transverse-moving mechanism and the manipulator that is connected with described transverse-moving mechanism on the portal frame.
In the above-mentioned pivot super precise grinding machine, described three cylinders are by same motor-driven.
In the above-mentioned pivot super precise grinding machine, described frame is provided with the sealing case.
In the above-mentioned pivot super precise grinding machine, also comprise a fluid conveying device, it has first petroleum pipeline and second petroleum pipeline, in order to provide super essential oil liquid to described two raceway groove ground stations respectively.
The present invention makes it compared with prior art owing to adopt technique scheme, has following beneficial effect:
1. compare manual operation in the past, full-automatic super precise grinding machine overall process of the present invention circulates automatically, has improved protection safety;
2. replace the past manual material loading with the material loading of manipulator, move reliable and stablely, and make a people can handle a plurality of equipment;
3. replace spring to control the yaw pressure of raceway groove in grinding with cylinder, the stable ditch of raceway groove that guarantees directly is worth;
4. oilstone can compensate automatically in the process of lapping, and oscillation center is constant;
5. the disposable fine abrasive of workpiece, rhythm is fast, efficient is high.
Description of drawings
Below in conjunction with the drawings and specific embodiments explanation the features and advantages of the present invention, wherein:
Fig. 1 is the stereogram of pivot super precise grinding machine of the present invention front side.
Fig. 2 is the stereogram of pivot super precise grinding machine rear side of the present invention.
Fig. 3 is the structural representation of the raceway groove lapping device of pivot super precise grinding machine of the present invention.
Fig. 4 is the yaw cross-sectional view of raceway groove lapping device shown in Figure 3.
Fig. 5 is the feed mechanism structural representation of pivot super precise grinding machine of the present invention.
Fig. 6 is the electrical control system structure block diagram of pivot super precise grinding machine of the present invention.
The specific embodiment
See also shown in Figure 1ly, pivot super precise grinding machine of the present invention comprises frame 10, workseat 11, lapping device 12 and feeding device 13.The frame lathe bed adopts Welding Structure, and the lonneal processing, is placed with the cast iron plate 101 of a big thickness on the lathe bed, and as operating desk, workseat 11, lapping device 12 and feeding device 13 are arranged on the cast iron plate 101, immobilizes to keep relative position.Simultaneously, totally enclosed case (not shown) can be installed on the lathe bed, be used for preventing that processing is used to cool off the splashing of cooling mist of oil of workpiece (being mandrel).
Workseat 11 is located at the central authorities of cast iron plate 101 rear sides, and it has three cylinders 111 that be arranged in parallel, is located at respectively on three work spindles 112, and 111 wherein adjacent on two cylinders can be placed workpiece to be processed, form 2 ground stations thus respectively.The present invention is that it is in particular in that 2 ground stations are processed the raceway groove of mandrel respectively independently according to the technological principle of " two workpiece one-time positioning, two raceway grooves are processed respectively, process two workpiece simultaneously " design, and two raceway grooves are successively to machine.
See also shown in Figure 2ly, in one embodiment, above-mentioned three cylinders 111 are to be driven by same motor 113, and are synchronous to keep it.Motor 113 drives contiguous main shaft (and then cylinder 111 provided thereon) rotation by belt pulley, and by two friction cylinders 114 are risen between adjacent two cylinders 111, the generation friction drives two other cylinder successively and rotates synchronously.
Lapping device 12 comprises two raceway groove lapping devices 12 of corresponding two ground stations, is located at both sides, cast iron plate 101 front side respectively, and its structure is identical.Please refer to Fig. 3, lapping device 12 with the right is an example, it comprises a pedestal 121, pedestal 121 front sides one horizontal shift cylinder 122, the pedestal rear side is provided with swing planker 124, swing planker 124 is connected with horizontal shift cylinder 122, and when horizontal shift cylinder 122 stretched, swing planker 124 front and back (being the Y direction) thereupon moved.A side is provided with a vertical movement cylinder 125 on the swing planker 124, and a yaw 126 that is used for raceway groove processing, and wherein yaw 126 is subjected to the driving of vertical movement cylinder 125, can move up and down (being the Z direction).This yaw 126 is in the rear of the cylinder of raceway groove ground station, and it for example can at first process the raceway groove of mandrel rear side, processes the raceway groove of mandrel front side then.On the pedestal 121 and be provided with a motor 123, this motor is for example formed a wobble drive mechanism with a bent axle, a connecting rod and a swing arm, wherein motor 123 driving crankshaft-and-connecting-rod outputs one seesaw (Y direction), drive the corner swing of swing arm output one around Y-axis again.Be well known to those skilled in the art owing to can export the driving mechanism of this swing, no longer launch to describe at this.Swing planker 124 has a balance staff (not shown), and balance staff one end is connected with this swing arm, and the balance staff other end connects yaw 126.Because the transfer function of balance staff, yaw 126 has the corner swaying direction R around Y-axis.Please in conjunction with consulting Fig. 3, shown in Figure 4, yaw 126 further comprises the oilstone folder 1261 of being located at the yaw end, be located at oilstone 1262 on the oilstone folder 1261, be located at the pressing plate 1263 of oilstone 1262 tops and to the oilstone compensation cylinder 1264 of pressing plate pressurization.Wherein, oilstone compensation cylinder 1264 moves up and down oilstone 1262, and oilstone 1262 is used for the grinding of workpiece, because oilstone can the loss with grinding, thereby oilstone compensation cylinder 1264 makes its automatic compensation by the pressure that 1263 pairs of oilstones 1262 of pressing plate keep down.This automatic compensatory technique can guarantee the circularity of the raceway groove that ground.
Please get back to shown in Figure 1ly, feeding device 13 comprises a platform for placing material 131, a material-pushing frame 132 and a feed mechanism 133.Platform for placing material 131 places workseat 11 the place aheads, is used for place work piece.Feed mechanism 133 is located at platform for placing material 131 tops, deliver to platform for placing material 131 with grabbing workpiece, and material-pushing frame 132 is located at platform for placing material 131 front ends, driven by cylinder 139, has Y direction locomotivity, in order to workpiece is pushed into two ground stations from platform for placing material 131.
Please in conjunction with shown in Figure 5, this feed mechanism 133 comprises that further a portal frame 134, that is across workseat 11 tops is located at the transverse-moving mechanism 135 on the portal frame, and a manipulator 136 that is connected with transverse-moving mechanism 135.Transverse-moving mechanism 135 is driven by cylinder 137, and it has the directions X translation capability, and manipulator 136 has Z direction locomotivity, and it is to be driven by cylinder 138.Workpiece (being mandrel) can be grasped and deliver to platform for placing material 131 from a feed well 20 by manipulator 136.
In addition, after the completion of processing, this grinder is by the following manner discharge: two the outside translations of cylinder in the outside in three cylinders 111 produce a gap, make the workpiece in each station fall to a blanking road 21, by a discharge mechanism 22 that is connected with blanking road 21, workpiece is released frame.
Moreover, above two raceway groove ground stations, also can be respectively equipped with oil pipe (figure does not show), it forms the fluid generator with the super essential oil liquid case of being located in the fuselage or fuselage is outer.When grinding, oil pipe is exported fluid these two stations is carried out fluid cooling and lubricated from super seminal fluid case, with carrying out smoothly of guaranteeing to grind.
Fig. 6 is the electrical control system structure block diagram of pivot super precise grinding machine of the present invention.See also shown in Figure 6ly, electric-control system of the present invention comprises a PLC 30, a touch-screen 31, a frequency converter 32, two brush DC drivers 33, a plurality of magnetic valve 34, a plurality of near switch 35, and a plurality of press buttones 36.Wherein PLC 30 is used for the course of work control of grinder, and it has a RS232 interface 301, is connected with touch-screen 31, one input interface 302, with be connected with press button near switch, an and output interface 303 is connected with frequency converter 32, two motor drivers 33 and a plurality of magnetic valve 34.Wherein frequency converter 32 needs to drive through relay 37 with motor driver 33.But touch-screen 31 display system running parameters, and the input that can receive the user is set.Frequency converter 32 is in order to the motor 113 of difference head roll 111.The motor 123 of two brush DC drivers in order to drive two lapping devices.Be used to detect each position component near switch 35, the upper and lower position of manipulator for example, the position of yaw etc., those skilled in the art can be arranged on the appropriate location according to detecting needs.34 actions that are used to control each cylinder of a plurality of magnetic valves.Above-mentioned electric-control system will be described by the following course of work to super precise grinding machine of the present invention and become clear for the control of each parts, and those skilled in the art can be according to the programming of this process realization to PLC.
The course of work of pivot super precise grinding machine of the present invention is described below.Please consult Fig. 1~shown in Figure 5 as required, after the start, the cylinder 111 of two stations keeps rolling always, at first by manipulator 134 from feed well 20 gripping workpiece (being mandrel), put down after moving to platform for placing material 131, then workpiece is pushed into two ground stations respectively from platform for placing material 131 by material-pushing frame 132.After this, horizontal shift cylinder 122 driving swing plankers 124 (Y direction) forward move, and yaw 126 skips to the workpiece top, and then, vertical movement cylinder 125 makes yaw 126 press down (Z direction) and extremely contacts with workpiece, workpiece is carried out the processing of a raceway groove.After the completion of processing, jump on the yaw 126 (+Z direction), horizontal shift cylinder 122 (through swing planker 124) driving yaw 126 (Y direction) forward moves to above the Working position of another raceway groove, then, vertical movement cylinder 125 makes yaw 126 press down (Z direction) to contacting with workpiece, workpiece is carried out the processing of another raceway groove.After the completion of processing, jump on the yaw 36 (+Z direction), and withdraw from (+Y direction) from the mandrel top backward.The roller shifting that two cylinders 111 in the outside of two raceway groove ground stations are middle relatively falls in the blanking road 21 workpiece, finishes workpiece processing.At last, drive discharge mechanism 22, the finished product mandrel is delivered to frame by cylinder 221.
In sum, pivot super precise grinding machine of the present invention is compared with existing portable grinding machine, has the following advantages:
1. compare manual operation in the past, full-automatic super precise grinding machine overall process of the present invention circulates automatically, has improved protection safety;
2. replace the past manual material loading with the material loading of manipulator, move reliable and stablely, and make a people can handle a plurality of equipment;
3. replace spring to control the yaw pressure of raceway groove in grinding with cylinder, the stable ditch of raceway groove that guarantees directly is worth;
4. oilstone can compensate automatically in the process of lapping, and oscillation center is constant;
5. the disposable fine abrasive of workpiece need not surpass through thick, and rhythm is fast, efficient is high.
Above embodiment explanation only is preferred embodiment explanation of the present invention, and those skilled in the art can make the replacement and the modification of other all equivalence according to the above embodiment of the present invention explanation.Yet these all equivalences of doing according to the embodiment of the invention are replaced and are revised, and belong to invention spirit of the present invention and reach by in the claim that claim defined.

Claims (7)

1. a pivot super precise grinding machine is characterized in that, comprise frame and be located at workseat, lapping device and feeding device on the operating desk with an operating desk, wherein:
Described workseat comprises three cylinders that be arranged in parallel, forms a ground station respectively between two wherein adjacent cylinders;
Described lapping device comprises two raceway groove lapping devices, and respectively corresponding described two ground station settings are in order to carry out raceway groove processing to the workpiece in the ground station;
Described feeding device comprises a feed mechanism, a platform for placing material and a material-pushing frame, described platform for placing material places described workseat the place ahead, described feed mechanism is positioned at described platform for placing material top, in order to workpiece is delivered to described platform for placing material, described material-pushing frame is located at described platform for placing material front end, in order to workpiece is pushed described two ground stations respectively from described platform for placing material.
2. pivot super precise grinding machine as claimed in claim 1 is characterized in that, each described raceway groove lapping device comprises a pedestal, a horizontal shift cylinder, a swing planker, a vertical movement cylinder, a yaw and a wobble drive mechanism; Described horizontal shift cylinder is located at pedestal one side, and described swing planker is located at the pedestal opposite side, and is connected with the horizontal shift cylinder; Described vertical movement cylinder is located on the swing planker, and described yaw also is located on the described swing planker, and is connected with the vertical movement cylinder; The swing planker has a balance staff, and balance staff one end is connected with described wobble drive mechanism, and the balance staff other end is connected with described yaw.
3. pivot super precise grinding machine as claimed in claim 2 is characterized in that, described yaw comprises oilstone folder, the oilstone of being located at the oilstone folder of being located at the yaw end, the pressing plate of being located at the oilstone top and the oilstone compensation cylinder that described pressing plate is pressurizeed.
4. pivot super precise grinding machine as claimed in claim 1 is characterized in that, described feed mechanism comprises that a portal frame, that is across described workseat top is located at a transverse-moving mechanism and the manipulator that is connected with described transverse-moving mechanism on the portal frame.
5. pivot super precise grinding machine as claimed in claim 1 is characterized in that, described three cylinders are by same motor-driven.
6. pivot super precise grinding machine as claimed in claim 1 is characterized in that described frame is provided with the sealing case.
7. pivot super precise grinding machine as claimed in claim 1 is characterized in that, also comprises a fluid conveying device, and it has first petroleum pipeline and second petroleum pipeline, in order to provide super essential oil liquid to described two raceway groove ground stations respectively.
CNA2007100408063A 2007-05-18 2007-05-18 Pivot super precise grinding machine Pending CN101306514A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007100408063A CN101306514A (en) 2007-05-18 2007-05-18 Pivot super precise grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007100408063A CN101306514A (en) 2007-05-18 2007-05-18 Pivot super precise grinding machine

Publications (1)

Publication Number Publication Date
CN101306514A true CN101306514A (en) 2008-11-19

Family

ID=40123304

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2007100408063A Pending CN101306514A (en) 2007-05-18 2007-05-18 Pivot super precise grinding machine

Country Status (1)

Country Link
CN (1) CN101306514A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103567834A (en) * 2012-07-21 2014-02-12 上海奔球精密机械有限公司 Central spindle double-groove grinding machine
CN104097105A (en) * 2014-06-20 2014-10-15 济南星辉数控机械科技有限公司 Material pushing mechanism of numerical control machine tool
CN104759966A (en) * 2015-04-06 2015-07-08 南京林恒机械制造有限公司 Clamping width-adjustable mandrel grinder
CN104772675A (en) * 2015-04-06 2015-07-15 南京市宏伟屠宰机械制造有限公司 Core rod double-groove grinding equipment
CN104772683A (en) * 2015-04-06 2015-07-15 南京林恒机械制造有限公司 Mandrel grinding equipment with width-adjustable feedbox
CN104772680A (en) * 2015-04-06 2015-07-15 南京市宏伟屠宰机械制造有限公司 Groove machining machine capable of adjusting groove position
CN104772676A (en) * 2015-04-06 2015-07-15 南京市宏伟屠宰机械制造有限公司 Core rod groove grinding equipment
CN105538127A (en) * 2016-01-17 2016-05-04 浙江陀曼智造科技有限公司 Pressure control system of super-finishing machine
CN105856021A (en) * 2016-06-01 2016-08-17 苏州赛琅泰克高技术陶瓷有限公司 Ceramic chip automatic grinding device and grinding method thereof
CN106181336A (en) * 2016-08-30 2016-12-07 杭州日月多宝电器有限公司 The device and method that a kind of internal gear product is automatically separated with shaped block
CN107283232A (en) * 2017-05-04 2017-10-24 耐世特凌云驱动系统(芜湖)有限公司 The automatic cylindrical grinding device of bearing bracket stand

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103567834A (en) * 2012-07-21 2014-02-12 上海奔球精密机械有限公司 Central spindle double-groove grinding machine
CN103567834B (en) * 2012-07-21 2016-08-10 上海奔球精密机械有限公司 A kind of central spindle double-groove grinding machine
CN104097105A (en) * 2014-06-20 2014-10-15 济南星辉数控机械科技有限公司 Material pushing mechanism of numerical control machine tool
CN104772676B (en) * 2015-04-06 2017-09-05 南京市宏伟屠宰机械制造有限公司 Plug groove grinding equipment
CN104772675A (en) * 2015-04-06 2015-07-15 南京市宏伟屠宰机械制造有限公司 Core rod double-groove grinding equipment
CN104772683A (en) * 2015-04-06 2015-07-15 南京林恒机械制造有限公司 Mandrel grinding equipment with width-adjustable feedbox
CN104772680A (en) * 2015-04-06 2015-07-15 南京市宏伟屠宰机械制造有限公司 Groove machining machine capable of adjusting groove position
CN104772676A (en) * 2015-04-06 2015-07-15 南京市宏伟屠宰机械制造有限公司 Core rod groove grinding equipment
CN104759966A (en) * 2015-04-06 2015-07-08 南京林恒机械制造有限公司 Clamping width-adjustable mandrel grinder
CN104772675B (en) * 2015-04-06 2018-02-02 南京市宏伟屠宰机械制造有限公司 The double groove grinding equipment of plug of grinding oblateness, the upper groove of pancake or rectangle plug and lower groove
CN105538127A (en) * 2016-01-17 2016-05-04 浙江陀曼智造科技有限公司 Pressure control system of super-finishing machine
CN105856021A (en) * 2016-06-01 2016-08-17 苏州赛琅泰克高技术陶瓷有限公司 Ceramic chip automatic grinding device and grinding method thereof
CN106181336A (en) * 2016-08-30 2016-12-07 杭州日月多宝电器有限公司 The device and method that a kind of internal gear product is automatically separated with shaped block
CN106181336B (en) * 2016-08-30 2019-08-23 杭州日月多宝电器有限公司 A kind of device and method that internal gear product is automatically separated with shaped block
CN107283232A (en) * 2017-05-04 2017-10-24 耐世特凌云驱动系统(芜湖)有限公司 The automatic cylindrical grinding device of bearing bracket stand

Similar Documents

Publication Publication Date Title
CN101306514A (en) Pivot super precise grinding machine
CN101306513A (en) Single groove single race bearing super precise grinding machine
CN105538069A (en) Double-station switching type automatic machining device for double faces of workpiece
CN101434052B (en) Full-automatic sanding polisher
CN104589183A (en) Processing device for ultrasonic grinding on sapphire lenses
CN105382659A (en) Automatic grinding machine
CN104772688A (en) Full-automatic polishing machine realized by use of cylinders
CN205166610U (en) Automatic grinding machine
CN208913711U (en) A kind of multi-shaft interlocked fine grinding equipment of milling cutter
CN101306515A (en) Double-groove bearing super precise grinding machine
CN204366706U (en) A kind of clamping device of floating clamp
CN102152186A (en) Disk glass edge finishing machine
CN206425597U (en) Edge milling machines
CN205520008U (en) Full -automatic excircle surfacing welding machine
CN104369068A (en) Drum brake block outer arc grinding machine with wear allowance machining function
CN204525129U (en) A kind of new automatic polishing machine
CN110142561A (en) A kind of flexibility metal plate production line feeder floating clamp
CN102601433A (en) Double-sided edge milling machine
CN207309638U (en) A kind of automatic reciprocating walking work table of abrasive belt machine
CN106863083B (en) A kind of arc locking face polishing machine
CN202571423U (en) Edge milling machine for double surfaces
CN106799650B (en) A kind of two modes automatic grinding machine
CN205703569U (en) A kind of thin plate burr collator
CN201124320Y (en) H-section grinder
CN209578798U (en) A kind of double-station building-block machine

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
WD01 Invention patent application deemed withdrawn after publication

Open date: 20081119

C02 Deemed withdrawal of patent application after publication (patent law 2001)