CN101837559A - Crank shaft grinding method and crank shaft grinding machine - Google Patents
Crank shaft grinding method and crank shaft grinding machine Download PDFInfo
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- CN101837559A CN101837559A CN 201010129465 CN201010129465A CN101837559A CN 101837559 A CN101837559 A CN 101837559A CN 201010129465 CN201010129465 CN 201010129465 CN 201010129465 A CN201010129465 A CN 201010129465A CN 101837559 A CN101837559 A CN 101837559A
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Abstract
The invention relates to the technical field of machining, and discloses a crank shaft grinding method. The crank shaft grinding method comprises the following steps that: a crank shaft rotates around the rotation centre of the crank shaft; and the rotation centre of a grinding wheel moves according to a predetermined movement track curve, so that the high point of the grinding wheel grinds the high point of a connecting rod journal all the time. Only by making the rotation centre of the grinding wheel move according to the predetermined movement track curve, the crank shaft grinding method can ensure that the high point of the grinding wheel tracks and grinds the high point of the connecting rod journal all the time so as to grind the connecting rod journal and ensure high grinding accuracy of the connecting rod journal. The invention also discloses a crank shaft grinding machine.
Description
Technical field
The present invention relates to the Machining Technology field, relate in particular to a kind of crankshaft grinding process.The invention still further relates to a kind of crank shaft grinding machine that adopts above-mentioned crankshaft grinding process bent axle to be carried out grinding.
Background technology
Bent axle is the main rotary gadget of engine, and bent axle mainly contains two vitals: trunnion and rod journal.The central axis of trunnion is the centre of gyration of bent axle, and the rod journal and the described centre of gyration have certain eccentric throw, and when bent axle rotated around the centre of gyration of self, rod journal revolved round the sun around the described centre of gyration.
After the bent axle moulding, in order to make the size of bent axle satisfy certain required precision, need carry out grinding to bent axle, the grinding of bent axle mainly is that rod journal, the trunnion to bent axle carries out grinding.
In the prior art, bent axle is normally in the special purpose grinder grinding.The trunnion of bent axle generally adopts cylindrical grinder that it is carried out grinding, the trunnion of bent axle is placed on the centre of gyration line of the headstock of grinding machine and tailstock spindle, the centre of gyration of bent axle overlaps with the centre of gyration line of the headstock, tailstock spindle, bent axle is rotated around its centre of gyration, and emery wheel adopts the mode of peripheral milling that trunnion is carried out grinding.
The special purpose grinder that is used for the rod journal of grinding bent axle generally is fundamental mode with the cylindrical grinder, the headstock by being arranged on grinding machine and the special fixture on the tailstock, rod journal is placed on the centre of gyration line of the headstock, tailstock spindle, the center line that is rod journal overlaps with the centre of gyration line of the headstock, tailstock spindle, bent axle is around the center line rotation of rod journal, and emery wheel adopts the mode of peripheral milling that rod journal is carried out grinding.This grinding method of rod journal, bent axle is in rotary course, because the center of gravity of bent axle is offset with pivot, bent axle can not at the uniform velocity rotate under himself gravity effect, make that the rotary speed unstabilization of rod journal is fixed, and then make that the grinding accuracy of rod journal is lower.
If bent axle has a plurality of rod journals, each rod journal has certain differential seat angle at the circumferencial direction of bent axle, in order to process different rod journals, the anchor clamps of grinding machine should have certain calibration function, be that anchor clamps can make the center line of different rod journals all overlap with the centre of gyration line of the headstock, tailstock spindle, can adopt manual calibration, also can adopt automatic indexing, calibration by anchor clamps, make each rod journal place successively on the centre of gyration line of the headstock, tailstock spindle, finish grinding each rod journal.In the calibration process of anchor clamps, there are the alignment error and the error of division, make that the eccentric throw precision of rod journal and the angle precision between each rod journal are all lower, and then make that the grinding accuracy of rod journal is lower.
In addition, in the process of a bent axle, grinding finishes a rod journal, carry out to carry out calibration to rod journal before another rod journal of grinding, bent axle need be carried out calibration equally when trunnion is carried out grinding, so that trunnion is carried out cylindricalo grinding, a bent axle needs a plurality of grinding process just can finish, and operating efficiency is lower, and the parallel accuracy of rod journal and trunnion can't guarantee.
Summary of the invention
The purpose of this invention is to provide a kind of crankshaft grinding process, when this crankshaft grinding process carried out grinding to the rod journal of bent axle, rod journal can at the uniform velocity rotate, and the grinding accuracy of rod journal is higher.Another object of the present invention provides a kind of crank shaft grinding machine.
In order to realize above-mentioned first purpose, the invention provides a kind of crankshaft grinding process, be used for the rod journal of bent axle is carried out grinding, this crankshaft grinding process comprises: described bent axle is around the centre of gyration rotation of this bent axle, the centre of gyration of emery wheel makes the height point of emery wheel carry out grinding to the height point of described rod journal all the time by the motion of predetermined movement geometric locus.
Preferably, the height point of described emery wheel is the point on the close described rod journal on the horizontal diameter of described emery wheel, and the height point of described rod journal is the point of close described emery wheel on the horizontal diameter of described rod journal.
Preferably, the path curves of the centre of gyration of described emery wheel is X=EcosC-r-R, Y=EsinC, the origin of coordinates of this path curves is the centre of gyration of described bent axle, wherein E is the eccentric throw of described rod journal, C is the corner of described bent axle, R is the radius of described emery wheel, and r is the radius of described rod journal.
Preferably, the height point of described emery wheel is the point on the close described rod journal on the vertical diameter of described emery wheel, and the height point of described rod journal is the point of close described emery wheel on the vertical diameter of described rod journal.
Preferably, the path curves of the centre of gyration of described emery wheel is X=EcosC, Y=EsinC+r+R, the origin of coordinates of this path curves is the centre of gyration of described bent axle, wherein E is the eccentric throw of described rod journal, C is the corner of described bent axle, R is the radius of described emery wheel, and r is the radius of described rod journal.
Crankshaft grinding process provided by the invention, when the rod journal of grinding bent axle, make the centre of gyration rotation of bent axle around himself, rod journal revolves round the sun around the described centre of gyration, the centre of gyration of emery wheel is by the motion of predetermined movement geometric locus, the high point of emery wheel is followed the tracks of the high point of rod journal, and the height point of emery wheel carries out grinding to the height point of rod journal.Only need the centre of gyration with emery wheel by default path curves motion, just can guarantee that the height point of emery wheel can follow the tracks of the high point of rod journal all the time, make the height point of emery wheel carry out grinding to the height point of rod journal all the time, thus the grinding of realization rod journal.
This crankshaft grinding process, during to the rod journal grinding of bent axle, the stabilization of speed of rod journal, and emery wheel only carries out grinding to the height point of rod journal, can not carry out grinding, the grinding accuracy height to the height point part in addition of rod journal; Only the height point with emery wheel removes the grinding rod journal, and other points of emery wheel do not participate in grinding, even the diameter variation of emery wheel can not influence grinding accuracy yet.
For bent axle with a plurality of rod journals, a rod journal grinding finishes, in the time of need carrying out grinding to next rod journal, mobile bent axle makes the rod journal of required grinding be positioned at plane, emery wheel place, mobile emery wheel makes the height point of emery wheel aim at the height point of this rod journal, bent axle begins rotation, and emery wheel also begins to move with the rotation of bent axle, makes the height point of emery wheel carry out grinding to the height point of bent axle all the time.Compared with prior art, this crankshaft grinding process can be eliminated repeatedly and to install and error that calibration causes, make the eccentric precision of rod journal and the angle precision between each rod journal all can be significantly improved, and then can make the grinding accuracy of rod journal be improved.
In addition, because bent axle is to be rotated around himself the centre of gyration, the mode that emery wheel can adopt peripheral milling is carried out grinding to the trunnion of bent axle, each rod journal, trunnion can be finished by a grinding process, operating efficiency is higher, and the parallel accuracy between rod journal and the trunnion is also higher.
In order to realize above-mentioned second purpose, the present invention also provides a kind of crank shaft grinding machine, and this crank shaft grinding machine comprises lathe bed, workbench, the headstock, tailstock, column, grinding carriage; Described lathe bed vertically be provided with longitudinal rail, described workbench is located on the described longitudinal rail, the described headstock and tailstock are located at the two ends of described workbench respectively, and the drive motors that is used to drive crank up is housed in the described headstock; Described lathe bed laterally be provided with cross slide way, described column is contained on the described cross slide way by slide is upright, described column is provided with the upright guide rail that vertically extends, described grinding carriage is described upright guide rail motion in the driving lower edge of servomotor.
This crank shaft grinding machine adopts above-mentioned crankshaft grinding process that bent axle is carried out grinding, because above-mentioned crankshaft grinding process has above-mentioned technique effect, adopts the crank shaft grinding machine of this method also should have the corresponding techniques effect.
Preferably, described tailstock is fixed on the described workbench movably.
Preferably, on the described grinding carriage balancing cylinder is housed.
Description of drawings
Fig. 1 is the principle schematic of crankshaft grinding process provided by the present invention;
Fig. 2 is the main TV structure schematic diagram of a kind of specific embodiment of crank shaft grinding machine provided by the present invention;
Fig. 3 is the side-looking structural representation of crank shaft grinding machine among Fig. 2;
Fig. 4 is the plan structure schematic diagram of crank shaft grinding machine among Fig. 2;
Fig. 5 be among Fig. 3 A-A to cutaway view;
Wherein: among Fig. 1-Fig. 5:
The centre of gyration 13 of emery wheel 11, rod journal 12, bent axle;
Lathe bed 201, workbench 202, the headstock 203, tailstock 204, slide 205, column 206, upright guide rail 207, grinding carriage 208, emery wheel 209, longitudinal rail 210, cross slide way 211.
The specific embodiment
First core of the present invention provides a kind of crankshaft grinding process, and when this crankshaft grinding process carried out grinding to the rod journal of bent axle, rod journal can at the uniform velocity rotate, and the grinding accuracy of rod journal is higher.Another core of the present invention provides a kind of crank shaft grinding machine.
In order to make those skilled in the art better understand technical scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please referring to Fig. 1, Fig. 1 is the principle schematic of crankshaft grinding process provided by the present invention.
As shown in Figure 1, the trunnion of bent axle is connected with drive unit, the central axis of the trunnion of bent axle is the centre of gyration 13 of bent axle, bent axle can be around these centre of gyration 13 rotations under the driving of drive unit, the rod journal 12 of bent axle is around the centre of gyration 13 revolution of bent axle, in a kind of specific embodiment, emery wheel 11 is arranged side by side in the horizontal direction with rod journal 12, and promptly the center of the centre of gyration of emery wheel 11 and rod journal 12 is contour.
Be the high point of emery wheel 11 apart from rod journal 12 nearest points on the horizontal diameter of emery wheel 11, promptly on the horizontal diameter of emery wheel 11, be positioned at the point that emery wheel 11 is taken turns the close rod journal 12 on the limit; Be the high point of rod journal 12 apart from emery wheel 11 nearest points on the horizontal diameter of rod journal 12, promptly on the horizontal diameter of rod journal 12 near the point of emery wheel 11.
When the rod journal 12 of grinding bent axle, bent axle is around the centre of gyration 13 rotations of himself, rod journal 12 is around the centre of gyration 13 revolution of bent axle, and the height point of emery wheel 11 is followed the tracks of the high point of rod journal 12, and the height point of emery wheel 11 carries out grinding to the height point of rod journal 12.
Please referring to Fig. 1, the centre of gyration 13 of bent axle is the origin of coordinates, and horizontal direction is an X-axis, and vertical direction is a Y-axis.The original position of setting rod journal 12 rotations is a horizontal level, the centre of gyration of emery wheel 11 is positioned at 1 ' point, definition according to the height point of above-mentioned emery wheel 11, the point of the value maximum of abscissa on 1 horizontal diameter that is positioned at emery wheel 11, promptly 1 is point nearest apart from rod journal 12 on the horizontal diameter of emery wheel 11, so 1 is the high point of emery wheel; According to the definition of the height point of rod journal 12, the point nearest on 1 horizontal diameter that is positioned at rod journal 12 apart from emery wheel 11,1 is the high point of rod journal 12, with the high point of the height point grinding rod journal 12 of emery wheel 11.
Rod journal 12 is around the centre of gyration 13 rotation C2 angles of bent axle, the height point of rod journal 12 is 2 points, the height point of emery wheel 11 tracks to 2 points, the centre of gyration of emery wheel 11 moves to 2 ' point, the high point of the height point grinding rod journal 12 of emery wheel 11, the coordinate of the central point of rod journal 12 is x=EcosC2, y=EsinC2 at this moment, and 2 coordinate is x=EcosC2-r, y=EsinC2, and the coordinate of 2 ' point is x2=EcosC2-r-R, y2=EsinC2.And the like, rod journal 12 is in the centre of gyration revolution process of bent axle, successively through 3 points, 4 points, 5 or the like, the height point of emery wheel 11 tracks to 3 points, 4 points, etc. successively at 5, and the centre of gyration of emery wheel 11 moves to 3 ' point, 4 ' point, 5 ' point and wait (fail at 4 ' point, 5 ' some demonstration) in Fig. 1.
The path curves T1 at the center of rod journal 12 is as seen from Figure 1:
X＝EcosC，Y＝EsinC；
The path curves T2 of the height point of rod journal 12 is:
X＝EcosC-r，Y＝EsinC；
Because the height point of emery wheel 11 is followed the tracks of the high point of rod journal 12 all the time, the path curves of the height point of emery wheel 11 also is T2;
The path curves T3 of the centre of gyration of emery wheel 11 is:
X＝EcosC-r-R，Y＝EsinC；
Wherein, E is that eccentric throw, the C of rod journal 12 is the corner of bent axle, and R is the radius of emery wheel 11, and r is the radius of rod journal 12.
By above-mentioned reasoning process as can be seen, the path curves T3 at the center of emery wheel 11 is circle, in plane, emery wheel 11 place, move the centre of gyration of emery wheel 11 in the horizontal direction according to the equation of locus of T3 with vertical direction by the while, can realize that the centre of gyration of emery wheel 11 makes circular motion, just can guarantee that the height point of emery wheel 11 can follow the tracks of the high point of rod journal 12, make the height point of emery wheel 11 carry out grinding to the height point of rod journal 12 all the time, thereby can realize the grinding of rod journal 12.
This crankshaft grinding process, during to rod journal 12 grindings of bent axle, the stabilization of speed of rod journal 12, and 11 height points to rod journal 12 of emery wheel carry out grinding, can not carry out grinding, grinding accuracy height to part beyond the height point of rod journal 12; Only the height point with emery wheel 11 removes grinding rod journal 12, and other points of emery wheel 11 do not participate in grinding, even the diameter variation of emery wheel 11 can not influence grinding accuracy yet.
Because the eccentric throw E of rod journal 12, the radius R of emery wheel 11, the parameters such as radius r of rod journal 12 are known on the processing drawing of bent axle, the path curves of emery wheel can be programmed and form the motor program of emery wheel, this motor program of emery wheel is the exemplary program that digital control system contained on the above grinding of any one diaxon basis, if this motor program of emery wheel is carried out grinding as the subprogram in the three-shaft linkage program to bent axle, to improve the automaticity of crankshaft grinding greatly, have high economic benefit.
For bent axle with a plurality of rod journals, a rod journal grinding finishes, in the time of need carrying out grinding to next rod journal, mobile bent axle makes the rod journal of required grinding be positioned at plane, emery wheel place, mobile emery wheel makes the height point of emery wheel aim at the height point of this rod journal, bent axle begins rotation, and emery wheel also begins to move with the rotation of bent axle, makes the height point of emery wheel carry out grinding to the height point of bent axle all the time.Compared with prior art, this crankshaft grinding process can be eliminated repeatedly and to install and error that calibration causes, make the eccentric precision of rod journal and the angle precision between each rod journal all can be significantly improved, and then can make the grinding accuracy of rod journal be improved.
In addition, because bent axle is to be rotated around himself the centre of gyration, the mode that emery wheel can adopt peripheral milling is carried out grinding to the trunnion of bent axle, each rod journal, trunnion can be finished by a grinding process, operating efficiency is higher, and the parallel accuracy between rod journal and the trunnion is also higher.
All have the phase angle of each rod journal in the processing drawing of bent axle, the numerical value of C axle increases an above-mentioned phase angle in the motor program of emery wheel, just can finish the grinding to each rod journal, trunnion in an operation more conveniently.
In the foregoing description, emery wheel and rod journal are arranged side by side in the horizontal direction, the centre of gyration of emery wheel and the center of rod journal are contour, crankshaft grinding process provided by the invention is not limited thereto a kind of situation, also comprise the situation that emery wheel and rod journal are arranged side by side at vertical direction, following examples will simply be introduced it.
Emery wheel and rod journal are arranged side by side at vertical direction, and promptly the center of the centre of gyration of emery wheel and rod journal is positioned at same perpendicular all the time,
The point nearest apart from rod journal is the high point of emery wheel on the vertical diameter of emery wheel, promptly on the vertical diameter of emery wheel, be positioned at the point of the close rod journal on the emery wheel wheel limit; The point nearest apart from emery wheel is the high point of rod journal on the vertical diameter of rod journal, i.e. the point of close emery wheel on the vertical diameter of rod journal.
When the rod journal of grinding bent axle, bent axle is around the centre of gyration rotation of himself, and rod journal is around the centre of gyration revolution of bent axle, and the height point of emery wheel is followed the tracks of the high point of rod journal, and the high point of emery wheel carries out grinding to the height point of rod journal.
If the centre of gyration with bent axle is the origin of coordinates, horizontal direction is an X-axis, vertical direction is a Y-axis, the path curves of the centre of gyration of emery wheel is X=EcosC, Y=EsinC+r+R, wherein, E is the eccentric throw of described rod journal, and C is the corner of described bent axle, R is the radius of described emery wheel, and r is the radius of described rod journal.
All the other specific implementation process are similar to the above embodiments, no longer are described in detail at this.
The present invention also provides a kind of crank shaft grinding machine, and this crank shaft grinding machine adopts above-mentioned crankshaft grinding process that bent axle is carried out grinding.
In a kind of specific embodiment, this crank shaft grinding machine can be X-Y-C three-shaft linkage crank shaft grinding machine.
Please referring to Fig. 2-Fig. 5, Fig. 2 is the main TV structure schematic diagram of a kind of specific embodiment of crank shaft grinding machine provided by the present invention, Fig. 3 is the side-looking structural representation of crank shaft grinding machine among Fig. 2, Fig. 4 is the plan structure schematic diagram of crank shaft grinding machine among Fig. 2, Fig. 5 be among Fig. 3 A-A to cutaway view.
This crank shaft grinding machine comprises lathe bed 201, workbench 202, the headstock 203, tailstock 204, column 206, grinding carriage 208.
Lathe bed 201 vertically be provided with longitudinal rail 210, workbench 202 is located on the longitudinal rail 210, workbench 202 is driven and can move back and forth on longitudinal rail 210 through ball-screw by servomotor, forms the Z axle of this crank shaft grinding machine herein.
The headstock 203 and tailstock 204 are located at the two ends of workbench 202 respectively, the headstock 203 and tailstock 204 are used for bent axle is supported the location, in the preferred version, the main shaft of the headstock 203 is provided with the angle orientation pin, and this angle orientation pin is used for the initial angle of the rod journal of definite bent axle; In the headstock 203 drive motors is housed, this drive motors is used to drive the crank up campaign, forms the C axle of this crank shaft grinding machine herein.Drive motors is with encoder, and the resolving accuracy of encoder can be level second, and drive motors and encoder constitute the closed-loop control to the precision of crank up campaign.
In the preferred version, for fear of heat affecting, the stator of drive motors is provided with circulating water cooling system.
In the preferred version, in order to make this crank shaft grinding machine can adapt to the bent axle of different length, tailstock 204 can move on workbench.
Horizontal and the longitudinal rail 210 corresponding positions of lathe bed 201 are provided with cross slide way 211, column 206 is by slide 205 upright being contained on the cross slide way 211, slide 205 can move along cross slide way 211 under the driving of linear electric motors, slide 205 is furnished with the grating chi and constitutes closed-loop control, forms the X-axis of this crank shaft grinding machine herein.
Column 206 is provided with the upright guide rail 207 that vertically extends, grinding carriage 208 can be done along upright guide rail 207 under ball-screw drives at servomotor and move both vertically, form the Y-axis of this crank shaft grinding machine herein, grinding carriage 208 is furnished with the closed-loop control that the grating chi is formed Y-axis.The grinding wheel spindle of grinding carriage 208 is bearing on the precision bearing, and this grinding wheel spindle is driven by the spindle motor of postposition, can drive emery wheel 209 revolutions.
In the preferred version, for the accuracy that guarantees that grinding carriage 208 moves on guide rail 207, grinding carriage 208 is provided with balancing cylinder.
Fix needing the main shaft of the bent axle of grinding and the headstock 203, tailstock 204, make the centre of gyration of bent axle overlap with the centre of gyration of the main shaft of the headstock 203, tailstock 204, by the angle orientation pin on the main shaft of adjusting the headstock 203, can adjust the initial angle of crankshaft journal, drive motors drives crank up; Linear electric motors drive slide 205 along cross slide way 211 move, driven by servomotor grinding carriage 208 along upright guide rail 207 move, emery wheel 209 rotates under the driving of spindle motor, can make the height point of emery wheel 209 all the time high the putting of rod journal be carried out grinding; A rod journal grinding finishes, driven by servomotor workbench 202 guide rail 210 motions longitudinally, make next rod journal align with emery wheel 209, the height point of emery wheel 209 carries out grinding to the height point of this rod journal all the time, all is ground to the required size precision until all rod journals.
The above only is the description of the preferred implementation of invention; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. crankshaft grinding process, be used for the rod journal of bent axle is carried out grinding, it is characterized in that, this crankshaft grinding process comprises: described bent axle is around the centre of gyration rotation of this bent axle, the centre of gyration of emery wheel makes the height point of emery wheel carry out grinding to the height point of described rod journal all the time by the motion of predetermined movement geometric locus.
2. crankshaft grinding process according to claim 1, it is characterized in that, the height point of described emery wheel is the point on the close described rod journal on the horizontal diameter of described emery wheel, and the height point of described rod journal is the point of close described emery wheel on the horizontal diameter of described rod journal.
3. crankshaft grinding process according to claim 2, it is characterized in that, the path curves of the centre of gyration of described emery wheel is X=EcosC-r-R, Y=EsinC, the origin of coordinates of this path curves is the centre of gyration of described bent axle, wherein E is the eccentric throw of described rod journal, C is the corner of described bent axle, and R is the radius of described emery wheel, and r is the radius of described rod journal.
4. crankshaft grinding process according to claim 1, it is characterized in that, the height point of described emery wheel is the point on the close described rod journal on the vertical diameter of described emery wheel, and the height point of described rod journal is the point of close described emery wheel on the vertical diameter of described rod journal.
5. crankshaft grinding process according to claim 4, it is characterized in that, the path curves of the centre of gyration of described emery wheel is X=EcosC, Y=EsinC+r+R, the origin of coordinates of this path curves is the centre of gyration of described bent axle, wherein E is the eccentric throw of described rod journal, C is the corner of described bent axle, and R is the radius of described emery wheel, and r is the radius of described rod journal.
6. a crank shaft grinding machine is characterized in that, this crank shaft grinding machine comprises lathe bed, workbench, the headstock, tailstock, column, grinding carriage; Described lathe bed vertically be provided with longitudinal rail, described workbench is located on the described longitudinal rail, the described headstock and tailstock are located at the two ends of described workbench respectively, and the drive motors that is used to drive crank up is housed in the described headstock; Described lathe bed laterally be provided with cross slide way, described column is contained on the described cross slide way by slide is upright, described column is provided with the upright guide rail that vertically extends, described grinding carriage is described upright guide rail motion in the driving lower edge of servomotor; This crank shaft grinding machine adopts each described crankshaft grinding process of claim 1-5 that bent axle is carried out grinding.
7. crank shaft grinding machine according to claim 6 is characterized in that described tailstock is fixed on the described workbench movably.
8. crank shaft grinding machine according to claim 6 is characterized in that, on the described grinding carriage balancing cylinder is housed.
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| CN 201010129465 CN101837559A (en) | 2010-03-19 | 2010-03-19 | Crank shaft grinding method and crank shaft grinding machine |
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| CN 201010129465 CN101837559A (en) | 2010-03-19 | 2010-03-19 | Crank shaft grinding method and crank shaft grinding machine |
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| CN102091981A (en) * | 2010-11-10 | 2011-06-15 | 黄石东贝铸造有限公司 | Crankshaft gate polishing device |
| CN102259285A (en) * | 2011-08-09 | 2011-11-30 | 潘旭华 | Follow-up grinding method for crankshaft connecting rod neck |
| CN107116404A (en) * | 2017-04-09 | 2017-09-01 | 北京工业大学 | A kind of constant speed bent axle follow-up grinding machining experiment system and process |
| CN109434573A (en) * | 2018-12-28 | 2019-03-08 | 张二朋 | The method for grinding and grinding structure of convex curve non-circular profile part |
| CN115816187A (en) * | 2023-01-29 | 2023-03-21 | 思柯瑞流体技术(苏州)有限公司 | Surface grinding device for manufacturing steam compressor |
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| CN101214627A (en) * | 2008-01-18 | 2008-07-09 | 潘旭华 | Grinding processing method for crankshaft connecting rod neck |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102091981A (en) * | 2010-11-10 | 2011-06-15 | 黄石东贝铸造有限公司 | Crankshaft gate polishing device |
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| CN107116404A (en) * | 2017-04-09 | 2017-09-01 | 北京工业大学 | A kind of constant speed bent axle follow-up grinding machining experiment system and process |
| CN109434573A (en) * | 2018-12-28 | 2019-03-08 | 张二朋 | The method for grinding and grinding structure of convex curve non-circular profile part |
| CN109434573B (en) * | 2018-12-28 | 2024-01-02 | 张二朋 | Grinding method and grinding structure for convex curve non-circular contour part |
| CN115816187A (en) * | 2023-01-29 | 2023-03-21 | 思柯瑞流体技术(苏州)有限公司 | Surface grinding device for manufacturing steam compressor |
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Application publication date: 20100922 |