CN101306513A - Single groove single race bearing super precise grinding machine - Google Patents
Single groove single race bearing super precise grinding machine Download PDFInfo
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- CN101306513A CN101306513A CNA2007100408059A CN200710040805A CN101306513A CN 101306513 A CN101306513 A CN 101306513A CN A2007100408059 A CNA2007100408059 A CN A2007100408059A CN 200710040805 A CN200710040805 A CN 200710040805A CN 101306513 A CN101306513 A CN 101306513A
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Abstract
The invention disclose a single-channel single-race bearing 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 four rollers which are arranged by groups of two, so as to form a race grinding service position and a channel grinding service position; the grinding device includes a race grinding device which is used for race processing and arranged corresponding to the race grinding service position, and a channel grinding device which is used for channel processing and arranged corresponding to the channel grinding service position; the material loading device includes a portal frame arranged athwart above the workpiece seat, first and second traverse motion mechanisms arranged on the portal frame, as well as first and second manipulators which are respectively connected with the first and the second traverse motion mechanisms, wherein the first manipulator is used for sending a workpiece to the race grinding service position, and the second manipulator is used for sending the workpiece from the race grinding service position to the channel grinding service position. The single-channel single-race bearing superfine grinding machine has the advantages of fully automatic running, precise processing and so on.
Description
Technical field
The present invention relates to a kind of bearing grinder, relate in particular to a kind of single groove single race bearing super precise grinding machine.
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.For example a kind of single groove single race bearing that is used for water pump wherein cooperates by steel ball between raceway groove and axle, raceway with spool between cooperate by needle roller, 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 class bearing 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.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 thick super, essence to surpass two steps, and beat is slow, and efficient is low, and the raceway groove of workpiece, raceway fine abrasive two procedures need be processed respectively by 2 equipment respectively very inconvenience; 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 the more high-precision single groove single race bearing super precise grinding machine of having of a kind of full-automatic processing.
The present invention solves the problems of the technologies described above the technical scheme that adopts to provide a kind of single groove single race bearing super precise grinding machine, comprise frame and be located at workseat, lapping device and feeding device on the operating desk of frame with an operating desk, wherein: described workseat comprises four cylinders that be arranged in parallel, wherein two cylinders are one group, form the raceway ground station, two other cylinder is one group, forms the raceway groove ground station; Described lapping device comprises a race grinding device and a raceway groove lapping device, described race grinding device is in order to carry out the processing of raceway, its corresponding described raceway ground station is provided with, and described raceway groove lapping device is in order to carry out the processing of raceway groove, and its corresponding described raceway groove ground station is provided with; Described feeding device comprises a portal frame across described workseat top, first, second manipulator of being located at first, second transverse-moving mechanism on the described portal frame and being connected with first, second transverse-moving mechanism respectively, wherein first manipulator is in order to deliver to workpiece described raceway ground station, and second manipulator is in order to deliver to described raceway groove ground station with workpiece by described raceway ground station.
Above-mentioned single groove single race bearing super precise grinding machine, wherein said race grinding device comprises: a pedestal, a horizontal shift cylinder, a vibration planker, a vertical movement cylinder, a vibration head and an oscillating drive mechanism; Described horizontal shift cylinder is located at pedestal one side, and described vibration planker is located at the pedestal opposite side, and is connected with the horizontal shift cylinder; Described vertical movement cylinder is located on the described vibration planker, and described vibration head also is located on the described vibration planker, and is connected with the vertical movement cylinder; The vibration planker has a rocking beam, and rocking beam one end is connected with described oscillating drive mechanism, and the rocking beam other end is connected with described vibration head.
Above-mentioned single groove single race bearing super precise grinding machine, wherein said vibration head comprise that the oilstone of being located at the vibration cephalic par presss from both sides, is located at the oilstone on the oilstone folder.
Above-mentioned single groove single race bearing super precise grinding machine, wherein said 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 described swing planker, and described yaw also is located on the described swing planker, and is connected with the vertical movement cylinder; And 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.
Above-mentioned single groove single race bearing super precise grinding machine, wherein said yaw comprise the oilstone folder of being located at the yaw end, be located at oilstone on the oilstone folder, be located at the pressing plate of oilstone top and to the oilstone compensation cylinder of described pressing plate pressurization.
Above-mentioned single groove single race bearing super precise grinding machine, wherein said every group of two cylinders are by same motor-driven.
Above-mentioned single groove single race bearing super precise grinding machine, wherein said frame is provided with the sealing case.
Above-mentioned single groove single race bearing super precise grinding machine wherein also comprises the fluid generator, and it has first petroleum pipeline and second petroleum pipeline, in order to provide super essential oil liquid to described raceway groove ground station and raceway ground station 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;
6. workpiece raceway groove, raceway fine abrasive two procedures just can be finished by 1 equipment.
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 the angle in single groove single race bearing super precise grinding machine of the present invention front side.
Fig. 2 is the stereogram of another angle of single groove single race bearing super precise grinding machine of the present invention front side.
Fig. 3 is the stereogram of single groove single race bearing super precise grinding machine rear side of the present invention.
Fig. 4 is the structural representation of the raceway processing unit (plant) of single groove single race bearing super precise grinding machine of the present invention.
Fig. 5 is the structural representation of the raceway groove processing unit (plant) of single groove single race bearing super precise grinding machine of the present invention.
Fig. 6 is the cross-sectional view of the yaw among the present invention.
Fig. 7 is the feeding device structural representation of single groove single race bearing super precise grinding machine of the present invention.
Fig. 8 is the electrical control system structure block diagram of single groove single race bearing super precise grinding machine of the present invention.
The specific embodiment
See also Fig. 1～shown in Figure 3, single groove single race bearing super precise grinding machine of the present invention comprises: frame 10, workseat 11, lapping device 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 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 bearing).
Workseat 11 is located at the central authorities of frame 10 rear sides, it has four cylinders 111 that be arranged in parallel, is located at respectively on four work spindles 112, and be one group wherein with two cylinders, workpiece to be processed be can place therebetween, raceway ground station and raceway groove ground station formed respectively.As shown in Figure 1, the station on the right is the raceway ground station, and the station on the left side is the raceway groove ground station.Yet in bearing, also unrestricted to the processing sequence of raceway and raceway groove, therefore also can be that the right is the raceway groove ground station, the left side is the raceway ground station.In the narration of back, for simplicity, be set to the example explanation with above-mentioned first kind.See also shown in Figure 3ly, one group of (promptly two) cylinder 111 forming a ground station is to be driven by same motor 113 or 114, and is synchronous to keep it.Station with left side among Fig. 3 is an example, and motor 113 drives contiguous main shaft (and then cylinder 111 provided thereon) rotation by belt pulley, and drives another cylinder and rotate synchronously by a friction cylinder 115 being risen to contact with two cylinders 111.In like manner, friction cylinder 116 also plays same function.
Lapping device is used for the workpiece in the workseat 11 corresponding stations is processed.Lapping device comprises the race grinding device 20 of corresponding raceway ground station and corresponding to the raceway groove lapping device 30 of raceway groove ground station.Wherein, see also Fig. 1, shown in Figure 2, race grinding device 20 is similar with raceway groove lapping device 30 structures, at first describe the structure of race grinding device 20 below in conjunction with Fig. 4, it comprises a pedestal 21, and the pedestal front side is provided with a horizontal shift cylinder 22, the pedestal rear side is provided with vibration planker 24, vibration planker 24 is connected with horizontal shift cylinder 23, and when horizontal shift cylinder 22 stretched, vibration planker 24 front and back (being Y direction) thereupon moved.Vibration planker 24 is provided with vertical movement cylinder 25 and is used for the vibration 26 of raceway processing, vibration 26 is connected with vertical movement cylinder 25, and driven by vertical movement cylinder 25, produce one and move up and down (Z-direction), and this vibration 26 is in the place ahead of the cylinder of raceway ground station.On the pedestal 21 and be provided with a motor 23, this motor is for example formed oscillating drive mechanism, the wherein vibration of the exportable Y direction of connecting rod with a bent axle and a connecting rod.Be well known to those skilled in the art owing to can export the driving mechanism of this vibration, no longer launch to describe at this.Vibration planker 24 has a rocking beam (not shown), and rocking beam one end is connected with this connecting rod, and the rocking beam other end connect to vibrate 26, by the transfer function of rocking beam, and 26 vibration that also have the Y direction of vibrating.Vibration 26 can further comprise the oilstone folder of being located at the vibration cephalic par and be located at oilstone on the oilstone folder, by oilstone workpiece be ground.
The structure of raceway groove lapping device 30 is described below in conjunction with Fig. 5, this device comprises a pedestal 31, the pedestal front side is provided with a horizontal shift cylinder 32, the pedestal rear side is provided with swing planker 34, swing planker 34 is connected with horizontal shift cylinder 32, when horizontal shift cylinder 32 stretched, swing planker 34 front and back (being the Y direction) thereupon moved.Swing planker 34 is provided with a vertical movement cylinder 35 and is used for the yaw 36 of raceway groove processing, yaw 36 is connected with vertical movement cylinder 35, and be subjected to the vertical movement air cylinder driven, move up and down (Z direction) with generation, and yaw 36 is in the rear of the cylinder of raceway groove ground station.On the pedestal 31 and be provided with a motor 33, this motor is for example formed a wobble drive mechanism with a bent axle, a connecting rod and a swing arm, motor-driven crankshaft-and-connecting-rod wherein, and output one seesaws (Y direction), again by the corner swing of swing arm output one around Y-axis.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 34 has a balance staff (not shown), and balance staff one end is connected with swing arm, and the balance staff other end connects yaw 36, and by the transfer function of balance staff, yaw 36 has the corner swaying direction R around Y-axis.Consult shown in Figure 6ly, yaw 36 further comprises the oilstone folder 361 of being located at the yaw end, be located at oilstone 362 on the oilstone folder, be located at the pressing plate 363 of oilstone top and be located at oilstone compensation cylinder 364 on the pressing plate 363.Wherein, oilstone compensation cylinder 364 moves up and down oilstone 362, and oilstone 362 is used for the grinding of workpiece, because oilstone can the loss with grinding, thereby oilstone compensation cylinder 364 makes its automatic compensation by the pressure that 363 pairs of oilstones 362 of pressing plate keep down.This automatic compensatory technique can guarantee the circularity of the raceway groove that ground.
Please consult in conjunction with Fig. 7 shown in Figure 1, first, second manipulator 134,135 that feeding device 13 comprises a portal frame 131 across workseat 11 tops, is located at first, second transverse-moving mechanism 132,133 on the portal frame 131 and is connected with first, second transverse-moving mechanism 132,133 respectively.Wherein, the raceway ground station of first manipulator 134 on the right of a workpiece 51 is delivered to from the feed well 40 on frame the right, second manipulator 135 be delivered to the raceway groove ground station in order to the workpiece 52 after will grinding through raceway by the raceway ground station.Above-mentioned first, second transverse-moving mechanism 132,133 is driven by cylinder 136, has the directions X locomotivity, and first, second manipulator 134,135 is driven by cylinder 137,138 respectively, has Z direction locomotivity.
As shown in Figure 1, the below of the raceway groove ground station of on the left side is provided with a discharge groove 41, and after the raceway groove grinding finished, a wherein cylinder of raceway groove ground station is another roller shifting relatively, workpiece is fallen in the discharge groove 41 discharge.
In addition, above raceway ground station and raceway groove ground station, be respectively equipped with first oil pipe 117, second oil pipe (figure does not show), they form the fluid generator with the super essential oil liquid case of being located in the fuselage or fuselage is outer.When grinding, first, second 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. 8 is the electrical control system structure block diagram of single groove single race bearing super precise grinding machine of the present invention.See also shown in Figure 8ly, electric-control system of the present invention comprises a PLC 60, a touch-screen 61, two frequency converters 62, two brush DC drivers 63, a plurality of magnetic valve 64, a plurality of near switch 65, and a plurality of press buttones 66.Wherein PLC 60 is used for the course of work control of grinder, it has a RS232 interface 601, be connected with touch-screen 61, one input interface 602, with be connected with press button near switch, and an output interface 603, be connected with frequency converter 62, two motor drivers 63 and a plurality of magnetic valve 64, wherein frequency converter 62 and motor driver 63 need to drive through relay 67 earlier.But touch-screen 61 display system running parameters, and the input that can receive the user is set.Two frequency converters 62 are in order to distinguish the motor 113,114 of head roll 111.Two brush DC drivers are in order to drive the motor 23,33 of lapping device.Be used to detect each position component near switch 65, the upper and lower position of manipulator for example, the position of vibration head, yaw etc., those skilled in the art can be arranged on the appropriate location according to detecting needs.64 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 single groove single race super precise grinding machine of the present invention is described below.Please consult Fig. 1～shown in Figure 7 as required, after the start, the cylinder 111 of two stations keeps rolling always, at first by first manipulator 134 from feed well 40 gripping workpiece (being bearing), put down after moving to the raceway ground station, then horizontal shift cylinder 22 drive vibration plankers 24 backward (+Y direction) move, bearing inside is jumped in vibration 26, then, vertical movement cylinder 25 makes vibration 26 press down (Z direction) to contact with workpiece, workpiece is carried out raceway process.After the completion of processing, jump in the vibration 26 (+Z direction), and in bearing, withdraw from (Y direction).Second manipulator 135 is delivered to the raceway groove ground station with workpiece and is put down, then by the yaw 36 of raceway groove lapping device 30 forward (Y direction) move, yaw 36 is jumped into bearing inside, then, vertical movement cylinder 35 makes yaw 36 press down (Z direction) to contacting with workpiece, and workpiece is carried out raceway groove processing.After the completion of processing, jump on the yaw 36 (+Z direction), and in bearing, withdraw from (+Y direction).A wherein cylinder 111 relative another roller shifting of raceway groove ground station fall in the discharge groove 41 workpiece, finish workpiece processing.
In sum, full-automatic super precise grinding machine of the present invention is compared with the grinder hand-manipulated in past, has the following advantages:
1. realized that overall process circulates automatically, whole process need not manual intervention, has improved operating efficiency and 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;
6. workpiece raceway groove, raceway fine abrasive two procedures just can be finished by 1 equipment.
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 (8)
1. single groove single race bearing super precise grinding machine is characterized in that comprising the frame with an operating desk and is located at workseat, lapping device and feeding device on the operating desk of frame, wherein:
Described workseat comprises four cylinders that be arranged in parallel, and wherein two cylinders are one group, forms the raceway ground station, and two other cylinder is one group, forms the raceway groove ground station;
Described lapping device comprises a race grinding device and a raceway groove lapping device, described race grinding device is in order to carry out the processing of raceway, its corresponding described raceway ground station is provided with, and described raceway groove lapping device is in order to carry out the processing of raceway groove, and its corresponding described raceway groove ground station is provided with;
Described feeding device comprises a portal frame across described workseat top, first, second manipulator of being located at first, second transverse-moving mechanism on the described portal frame and being connected with first, second transverse-moving mechanism respectively, wherein first manipulator is in order to deliver to workpiece described raceway ground station, and second manipulator is in order to deliver to described raceway groove ground station with workpiece by described raceway ground station.
2. single groove single race bearing super precise grinding machine as claimed in claim 1, it is characterized in that described race grinding device comprises: a pedestal, a horizontal shift cylinder, a vibration planker, a vertical movement cylinder, a vibration head and an oscillating drive mechanism; Described horizontal shift cylinder is located at pedestal one side, and described vibration planker is located at the pedestal opposite side, and is connected with the horizontal shift cylinder; Described vertical movement cylinder is located on the described vibration planker, and described vibration head also is located on the described vibration planker, and is connected with the vertical movement cylinder; The vibration planker has a rocking beam, and rocking beam one end is connected with described oscillating drive mechanism, and the rocking beam other end is connected with described vibration head.
3. single groove single race bearing super precise grinding machine as claimed in claim 2 is characterized in that, described vibration head comprises the oilstone folder of being located at the vibration cephalic par and is located at the oilstone that oilstone presss from both sides.
4. single groove single race bearing super precise grinding machine as claimed in claim 1 is characterized in that, 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 described swing planker, and described yaw also is located on the described swing planker, and is connected with the vertical movement cylinder; And 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.
5. single groove single race bearing super precise grinding machine as claimed in claim 4, it is characterized in that described yaw comprises the oilstone folder of being located at the yaw end, be located at oilstone on the oilstone folder, be located at the pressing plate of oilstone top and to the oilstone compensation cylinder of described pressing plate pressurization.
6. single groove single race bearing super precise grinding machine as claimed in claim 1 is characterized in that, described every group of two cylinders are by same motor-driven.
7. single groove single race bearing super precise grinding machine as claimed in claim 1 is characterized in that described frame is provided with the sealing case.
8. single groove single race bearing super precise grinding machine as claimed in claim 1 is characterized in that, also comprises the fluid generator, and it has first petroleum pipeline and second petroleum pipeline, in order to provide super essential oil liquid to described raceway groove ground station and raceway ground station respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100408059A CN101306513A (en) | 2007-05-18 | 2007-05-18 | Single groove single race bearing super precise grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100408059A CN101306513A (en) | 2007-05-18 | 2007-05-18 | Single groove single race bearing super precise grinding machine |
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| CN101306513A true CN101306513A (en) | 2008-11-19 |
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| CNA2007100408059A Pending CN101306513A (en) | 2007-05-18 | 2007-05-18 | Single groove single race bearing super precise grinding machine |
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| CN102294644A (en) * | 2011-07-29 | 2011-12-28 | 陆君周 | Eight-station bearing channel super grinding machine |
| CN103302584A (en) * | 2013-06-27 | 2013-09-18 | 新乡莱必泰机械有限公司 | Efficient forced transmission mechanism with linear and automatic workpiece loading and unloading functions |
| CN103419134A (en) * | 2012-05-24 | 2013-12-04 | 上海宏力半导体制造有限公司 | Bench regulator using proximity switch |
| CN104227545A (en) * | 2014-07-23 | 2014-12-24 | 张肖邦 | Automatic feeding and discharging device of rolling rod super finishing machine |
| CN104690619A (en) * | 2013-12-09 | 2015-06-10 | 无锡市蓝马机械制造有限公司 | Conical/cylindrical linear rollaway nest superfinishing equipment |
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| CN102294644A (en) * | 2011-07-29 | 2011-12-28 | 陆君周 | Eight-station bearing channel super grinding machine |
| CN103419134A (en) * | 2012-05-24 | 2013-12-04 | 上海宏力半导体制造有限公司 | Bench regulator using proximity switch |
| CN103302584A (en) * | 2013-06-27 | 2013-09-18 | 新乡莱必泰机械有限公司 | Efficient forced transmission mechanism with linear and automatic workpiece loading and unloading functions |
| CN103302584B (en) * | 2013-06-27 | 2015-09-30 | 新乡莱必泰机械有限公司 | The transmission mechanism of efficient compulsory type straight line automatic loading and unloading workpiece |
| CN104690619A (en) * | 2013-12-09 | 2015-06-10 | 无锡市蓝马机械制造有限公司 | Conical/cylindrical linear rollaway nest superfinishing equipment |
| CN104227545B (en) * | 2014-07-23 | 2017-02-22 | 张肖邦 | Automatic feeding and discharging device of rolling rod super finishing machine |
| CN104227545A (en) * | 2014-07-23 | 2014-12-24 | 张肖邦 | Automatic feeding and discharging device of rolling rod super finishing machine |
| CN105347004A (en) * | 2015-10-29 | 2016-02-24 | 芜湖汉峰科技有限公司 | Rotary grinding device for liquid storage devices |
| CN105485073A (en) * | 2016-01-17 | 2016-04-13 | 浙江陀曼智造科技有限公司 | Hydraulic system of super-finishing machine |
| CN105458929A (en) * | 2016-01-17 | 2016-04-06 | 浙江陀曼智造科技有限公司 | Superfinishing machine control system |
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| CN112207712A (en) * | 2019-07-10 | 2021-01-12 | 青岛泰德汽车轴承股份有限公司 | Grinding device for shaft-connected bearing |
| CN110434757A (en) * | 2019-07-31 | 2019-11-12 | 无锡诚石轴承有限公司 | A kind of promotion feeding system in bearing machining equipment |
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| CN112405323A (en) * | 2019-08-21 | 2021-02-26 | 青岛泰德汽车轴承股份有限公司 | Grinding device for outer ring of shaft-connected bearing |
| CN110480460B (en) * | 2019-08-23 | 2021-10-15 | 安徽博晟亿电力科技有限公司 | Grinding device and grinding method for pig iron casting |
| CN110480460A (en) * | 2019-08-23 | 2019-11-22 | 安徽博晟亿电力科技有限公司 | A kind of grinding device and its polishing process of iron casting |
| CN111872756A (en) * | 2020-08-04 | 2020-11-03 | 浙江特佳利工具有限公司 | Polishing device with protective structure for alloy saw blade machining |
| CN112123110B (en) * | 2020-09-15 | 2022-05-31 | 慈溪市豪格机械有限公司 | Bearing inner race groove super lapping machine |
| CN112139980A (en) * | 2020-09-15 | 2020-12-29 | 慈溪市豪格机械有限公司 | Bearing outer ring channel superfine grinder |
| CN112139980B (en) * | 2020-09-15 | 2022-06-21 | 慈溪市豪格机械有限公司 | Bearing outer ring channel superfine grinder |
| CN112123110A (en) * | 2020-09-15 | 2020-12-25 | 慈溪市豪格机械有限公司 | Bearing inner race groove super lapping machine |
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| CN112720178B (en) * | 2020-12-29 | 2022-09-23 | 中国航发哈尔滨轴承有限公司 | Bearing inner race raceway processing work piece main shaft mechanism |
| CN113442052A (en) * | 2021-08-12 | 2021-09-28 | 青岛泰德汽车轴承股份有限公司 | Grinding device for superfinishing bearing ring |
| CN116619154A (en) * | 2023-07-11 | 2023-08-22 | 苏州铁近机电科技股份有限公司 | Positioning mechanism and bearing inner race groove grinding machine |
| CN116619154B (en) * | 2023-07-11 | 2023-11-03 | 苏州铁近机电科技股份有限公司 | Positioning mechanism and bearing inner race groove grinding machine |
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