CN101332583A - Technique for processing cylinder sleeve bore flat-top cob-webbing - Google Patents
Technique for processing cylinder sleeve bore flat-top cob-webbing Download PDFInfo
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- CN101332583A CN101332583A CNA2008101408239A CN200810140823A CN101332583A CN 101332583 A CN101332583 A CN 101332583A CN A2008101408239 A CNA2008101408239 A CN A2008101408239A CN 200810140823 A CN200810140823 A CN 200810140823A CN 101332583 A CN101332583 A CN 101332583A
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- inner hole
- bistrique
- reciprocating motion
- cylinder liner
- reticulation
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Abstract
The invention provides a technique for machining a flat top reticulation of an inner hole of a cylinder liner. The technique is as follows: a grinding head movably enters the cylinder liner; an emery stick on the grinding head bulges to be firmly attached to the inner wall of the cylinder liner; the grinding head begins to rotate and performs upward and downward reciprocating motion under the drive of a spindle motor; the emery stick rotates along with the grinding head and performs upward and downward reciprocating motion to remove the allowance of the inner hole of the cylinder liner and pull out a reticulation on the inner hole of the cylinder liner; after the required size is obtained by machining, the spindle motor is stopped, the emery stick shrinks; the reciprocating motion of the spindle continues for 5-10 seconds, which means the reciprocating motion of the grinding head prolongs 5-10 seconds and stops after upward moving to the hydrosphere position; the motion of the emery stick during the period still keeps the composite motion combining rotation as well as upward and downward reciprocating motion; a clear intersectional reticulation which is the same as the normally pulled out reticulation is pulled out on the inner hole of the cylinder liner; in the course of processing the flat top reticulation of the inner hole of the cylinder liner, the rotating speed of the spindle is controlled to be 80r/min, and the reciprocating motion speed of the spindle is determined by an included angle of the reticulation.
Description
Technical field
The invention belongs to a kind of Machining Cylinder Sleeve Bore technology, relate generally to a kind of process of processing cylinder sleeve bore flat-top cob-webbing.
Background technology
The flat-top cob-webbing honing is a kind of advanced person's a honing process technology, and the flat-top cob-webbing honing technique is mainly used in the processing of engine cylinder hole and cylinder jacket.Its processing characteristic is: process the darker profile of coarse cut when slightly going on cylinder jacket inner bore surface, gash depth can reach 8-10um, by the smart top gem of a girdle-pendant spike of these cuts is polished again, becomes the protruding peak of flat-top, and this moment, the gash depth on surface was about 5-6um.Different producers requires not to the utmost the same with the degree of depth and platform support rate with the reticulate pattern angle to the width of groove.Therefore to select suitable diamond emery stick and technological parameter can obtain satisfactory platform reticulate pattern according to different requirements.Cylinder cover inner hole honing platform reticulate pattern is mainly considered four important technological parameters: 1) reticulate pattern gash depth, 2) the reticulate pattern groove width, 3) the platform area, 4) the reticulate pattern angle, also require the reticulate pattern lines to want clear no random line simultaneously.
Facts have proved: 1, platform reticulate pattern can improve the oil film distribution of friction inner surface, has good lubricating condition, and motion is steady, noise is low, improves the service behaviour of engine; 2, shorten the running-in period of engine, improve parts life-span; 3, increase the air tightness of engine, reduce engine oil consumption, reduce pollutant discharge amount; 4, reduce the pull-cylinder phenomena of engine.
Domestic cylinder jacket professional production producer adopts the honing machine of import Germany to process mostly at present.Because of import equipment costs an arm and a leg, cause the production cost height thereby have high input.So just the production of the automobile cylinder sleeve that price is higher, profit is bigger is adopted at present.And price all dare not adopt than the production of hanging down the small agricultural machinery cylinder sleeve of profit.Homemade honing machine processing is all adopted in the processing of agricultural machinery cylinder sleeve bore.Honing adds the man-hour bistrique and constantly commutates under the driving of hydraulic cylinder, because the inherent characteristic of hydraulic system adds that big its commutating speed of unit head mass ratio can not be very fast, commutating period can not be too short.Therefore, under conventional honing state, bistrique is when the stroke end commutates up and down, emery stick grinds bigger circular arc line at the cylinder cover inner hole two ends, this circular arc line makes the reticulate pattern lines in the middle of the lines at cylinder cover inner hole two ends and the cylinder cover inner hole different, and the circular arc line is with the random line of reticulate pattern stack formation of diagonal cross.It is consistent with the main axis rotation direction at the reticulate pattern of bistrique rest position cylinder sleeve bore to add that thereby homemade honing machine causes when honing finishes because of traditional processing action order is unreasonable, and reticulate pattern does not intersect.The reticulate pattern lines is unintelligible, and the platform area that directly causes reticulate pattern is not enough and do not meet the requirement of flat-top cob-webbing.Thereby cause the quality of agricultural machinery cylinder cover inner hole further not improve, directly have influence on the up to standard and service life of exhaust emissions of diesel engine.
Summary of the invention
Purpose of the present invention promptly is to propose a kind of process of processing cylinder sleeve bore flat-top cob-webbing, solves existing problem when utilizing homemade honing machine to process flat-top cob-webbing.
The process of processing cylinder sleeve bore flat-top cob-webbing proposed by the invention is: make main-shaft axis that drives the bistrique rotation and the dead in line that will process cylinder jacket, bistrique moved down with respect to lathe enter in the cylinder jacket, 6 diamond emery sticks installing on the bistrique make its rising be close to cylinder liner internal wall by hydraulic pressure harmomegathus mechanism; Bistrique begins to rotate under the drive of spindle motor and does between the lower dead center on adjusting in advance simultaneously and pumps, the diamond emery stick rotates and does with bistrique and pumps, and reticulate pattern is removed and pulled out to the surplus of cylinder cover inner hole on cylinder cover inner hole; After cylinder cover inner hole is worked into and requires size, make that spindle motor stops the rotation, the diamond emery stick contracts to recovery, postpone 5-10 and move upward to the hydrosphere position after second again and stop even spindle reciprocating motion continues reciprocating motion that 5-10 main shaft second drives bistrique.Simultaneously, the mode of taking to reduce main axis rotation speed is about to main rotary speed and is controlled to be 80 commentaries on classics/min and matches with the speed that pumps of main shaft.Making main shaft drive bistrique moves back and forth and postpones the purpose that 5-10 moves to hydrosphere second again and be: make diamond emery stick on the bistrique shrink bistrique in the period fully at this section and avoid the diamond emery stick to bump against hydrosphere when making progress with bistrique; At 5-10 that electric machine main shaft stops operating in second, because inertia, rotatablely moving of electric machine main shaft can not stop immediately, emery stick on the bistrique can not shrink into grinding head body immediately simultaneously, continue to pull out the reticulate pattern consistent with the main axis rotation direction on the cylinder cover inner hole wall with the diamond emery stick on the bistrique under effect of inertia, being superimposed with the overlapping curve of normally pulling out just forms random line; And make bistrique, diamond emery stick postpone to stop to move back and forth in the process of the present invention, just can make the reciprocating motion of bistrique continue with rotatablely moving all, but the motion at this moment of guarantee fund's hard rock emery stick still is rotation, compound motion up and down reciprocatingly, on cylinder cover inner hole, pull out the clear overlapping curve the same and avoid occurring only pulling out and main axis rotation direction reticulate pattern as one man, also can not influence the platform area of flat-top cob-webbing with the overlapping curve of normally pulling out.Process of the present invention is the rotating speed 80 commentaries on classics/min of main shaft, and the reciprocating speed of main shaft determined by the angle of reticulate pattern, thereby the reticulate pattern circular arc when reducing the bistrique commutation guarantees to pull out qualified flat-top cob-webbing.
The process of processing cylinder sleeve bore flat-top cob-webbing proposed by the invention, make and adopt homemade honing machine can process qualified cylinder cover inner hole reticulate pattern, this process is not done any improvement to the honing machine structure, only for the parameter of control system in addition corresponding the modification promptly can finish, solved that homemade for a long time honing machine can not be used for the processing of cylinder cover inner hole flat-top cob-webbing or the flat-top cob-webbing processed is undesirable and then cause agricultural machinery cylinder cover inner hole quality can't guarantee, directly influence the exhaust emissions index of diesel engine and the problem in service life.
The specific embodiment
Process embodiment of the present invention is illustrated:
The present invention to the process of cylinder cover inner hole flat-top cob-webbing is: 1, send electric primer fluid press pump; 2, the cylinder jacket that will process is put into air-actuated jaw (being installed in above the workbench) clamping; 3, the cylinder jacket that will process with respect to rotatablely moving of lathe by workbench moves to the main shaft below, and makes the axis and the dead in line that will process cylinder jacket of electric machine main shaft, and table positions is locked; 4, the bistrique (its be installed on main shaft below move with main axis rotation and with the reciprocating motion of main shaft) that is in the hydrosphere position moves downward with respect to lathe and enters in the cylinder jacket, and bistrique begins to rotatablely move under spindle motor drives and moves reciprocatingly between the lower dead center on adjusting in advance simultaneously; 6 diamond emery sticks that had on the bistrique outside rising of beginning under the effect of hydraulic pressure harmomegathus mechanism is close to cylinder liner internal wall, and the compound motion of doing rotation, pumping with bistrique, cylinder cover inner hole is carried out smart top gem of a girdle-pendant processing, reticulate pattern is removed and pulled out to the surplus of cylinder cover inner hole on cylinder cover inner hole; 5, after cylinder cover inner hole is worked into and requires size, make that spindle motor stops the rotation, the diamond emery stick contracts to recovery, making spindle reciprocating motion continuation 5-10 move upward to the hydrosphere position after second again stops, so that diamond emery stick above the bistrique is shunk in the bistrique fully, avoid the diamond emery stick before not shrinking fully, to move up to hydrosphere and bump with hydrosphere with bistrique; Pumping of section bistrique, diamond emery stick can constitute compound motion because of the motion that inertia drives the rotation of diamond emery stick with electric machine main shaft at this moment, avoid merely the cylinder cover inner hole inwall being pulled out the reticulate pattern consistent with its rotation direction by the rotation of diamond emery stick, and this reticulate pattern and operate as normal to be overlapping curve that diamond emery stick compound motion is pulled out be superimposed and form random line.6, the lock state of the rationed marketing indentation machine base of workbench releasing workbench and the cylinder jacket that another station is to be processed rotate to the operating position and simultaneously the cylinder jacket that processes are rotated to the home taking-up from the operating position, finish the process of a cylinder cover inner hole.The rotating speed of electric machine main shaft is controlled to be 80 commentaries on classics/min whole in to cylinder cover inner hole flat-top cob-webbing process, the main shaft speed that pumps is determined by the angle of requirement reticulate pattern; Reticulate pattern circular arc when reducing to commutate thus guarantees to pull out qualified flat-top cob-webbing.
Claims (1)
1, a kind of process of processing cylinder sleeve bore flat-top cob-webbing, it is characterized in that: make main-shaft axis that drives the bistrique rotation and the dead in line that will process cylinder jacket, bistrique moved down with respect to lathe enter in the cylinder jacket, 6 diamond emery sticks installing on the bistrique make its rising be close to cylinder liner internal wall by hydraulic pressure harmomegathus mechanism; Bistrique begins to rotate under the drive of spindle motor and does between the lower dead center on adjusting in advance simultaneously and pumps, the diamond emery stick rotates and does with bistrique and pumps, and reticulate pattern is removed and pulled out to the surplus of cylinder cover inner hole on cylinder cover inner hole; After cylinder cover inner hole is worked into and requires size, make that spindle motor stops the rotation, the diamond emery stick contracts to recovery, postpone 5-10 and move upward to the hydrosphere position after second again and stop even spindle reciprocating motion continues reciprocating motion that 5-10 main shaft second drives bistrique; Thereby make the diamond emery stick in the motion of this section in the time still for rotation, up and down reciprocatingly compound motion, on cylinder cover inner hole, pull out the clearly overlapping curve identical with the overlapping curve of normally pulling out; Rotating speed with main shaft in to cylinder cover inner hole flat-top cob-webbing process is controlled to be 80 commentaries on classics/min, and the reciprocating speed of main shaft determined by the angle of reticulate pattern, thereby the reticulate pattern circular arc when reducing the bistrique commutation guarantees to pull out qualified flat-top cob-webbing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101408239A CN101332583B (en) | 2008-07-28 | 2008-07-28 | Technique for processing cylinder sleeve bore flat-top cob-webbing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101408239A CN101332583B (en) | 2008-07-28 | 2008-07-28 | Technique for processing cylinder sleeve bore flat-top cob-webbing |
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| Publication Number | Publication Date |
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| CN101332583A true CN101332583A (en) | 2008-12-31 |
| CN101332583B CN101332583B (en) | 2011-01-26 |
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| CN2008101408239A Active CN101332583B (en) | 2008-07-28 | 2008-07-28 | Technique for processing cylinder sleeve bore flat-top cob-webbing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905440A (en) * | 2009-09-28 | 2010-12-08 | 苏州信能精密机械有限公司 | High-precision high-efficiency three-position numerical control honing method and device |
| CN101704175B (en) * | 2009-12-04 | 2012-04-18 | 山西平阳重工机械有限责任公司 | Method for cutting tool escape free reticulate pattern on surface of high-precision thin-wall shell |
| CN104511798A (en) * | 2014-12-11 | 2015-04-15 | 贵州红林机械有限公司 | Honing processing method for high-precision copper rotor plunger holes |
| CN105234799A (en) * | 2015-09-30 | 2016-01-13 | 中钢集团西安重机有限公司 | Honing process for netty grinding crack texture structure |
| CN105619271A (en) * | 2015-12-25 | 2016-06-01 | 郑州磨料磨具磨削研究所有限公司 | Machining method for cutting inner hole of grinding wheel |
| CN105935934A (en) * | 2016-06-22 | 2016-09-14 | 无锡德斯凯动力科技有限公司 | Fixing device of grinding machine for diesel engine accessory cylinder liner |
| CN108747798A (en) * | 2018-05-29 | 2018-11-06 | 中原内配集团股份有限公司 | A kind of differentiation honing cylinder jacket and preparation method thereof |
-
2008
- 2008-07-28 CN CN2008101408239A patent/CN101332583B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905440A (en) * | 2009-09-28 | 2010-12-08 | 苏州信能精密机械有限公司 | High-precision high-efficiency three-position numerical control honing method and device |
| CN101905440B (en) * | 2009-09-28 | 2012-01-11 | 苏州信能精密机械有限公司 | High-precision high-efficiency three-position numerical control honing method and device |
| CN101704175B (en) * | 2009-12-04 | 2012-04-18 | 山西平阳重工机械有限责任公司 | Method for cutting tool escape free reticulate pattern on surface of high-precision thin-wall shell |
| CN104511798A (en) * | 2014-12-11 | 2015-04-15 | 贵州红林机械有限公司 | Honing processing method for high-precision copper rotor plunger holes |
| CN105234799A (en) * | 2015-09-30 | 2016-01-13 | 中钢集团西安重机有限公司 | Honing process for netty grinding crack texture structure |
| CN105619271A (en) * | 2015-12-25 | 2016-06-01 | 郑州磨料磨具磨削研究所有限公司 | Machining method for cutting inner hole of grinding wheel |
| CN105619271B (en) * | 2015-12-25 | 2017-09-01 | 郑州磨料磨具磨削研究所有限公司 | A kind of abrasive cut-off wheel method for machining bore |
| CN105935934A (en) * | 2016-06-22 | 2016-09-14 | 无锡德斯凯动力科技有限公司 | Fixing device of grinding machine for diesel engine accessory cylinder liner |
| CN105935934B (en) * | 2016-06-22 | 2018-02-27 | 无锡德斯凯动力科技有限公司 | A kind of fixing device of diesel engine part cylinder sleeve sander |
| CN108747798A (en) * | 2018-05-29 | 2018-11-06 | 中原内配集团股份有限公司 | A kind of differentiation honing cylinder jacket and preparation method thereof |
| CN108747798B (en) * | 2018-05-29 | 2023-09-12 | 中原内配集团股份有限公司 | Differentiated honing cylinder sleeve and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101332583B (en) | 2011-01-26 |
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