CN101058165A - Alternating rotating direction honing cylinder jacket platform webbing technique - Google Patents

Alternating rotating direction honing cylinder jacket platform webbing technique Download PDF

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Publication number
CN101058165A
CN101058165A CN 200610039632 CN200610039632A CN101058165A CN 101058165 A CN101058165 A CN 101058165A CN 200610039632 CN200610039632 CN 200610039632 CN 200610039632 A CN200610039632 A CN 200610039632A CN 101058165 A CN101058165 A CN 101058165A
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China
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platform
honing
cylinder jacket
technique
oil
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CN 200610039632
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Chinese (zh)
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韦斌
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Individual
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Individual
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Priority to CN 200610039632 priority Critical patent/CN101058165A/en
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Abstract

The invention relates to an alternating direction of rotation honing cylinder jacket platform cob webbing technique that is used to facilitate the oil storage and lubrication feature of the engine friction, extend durability, reduce engine oil consumption, improve engine tail gas emission quality, for the benefit of environment protection and human health. Through alternating direction rotation honing cylinder jacket platform cob webbing, it can expose the graphite sufficiently, timely release lubrication oil to the friction system. This technique has acquired international standard parameter, allowing the inner wall of the cylinder jacket acquiring small platform and deep slot, increase bearing area of the small platform, with the deep slot storing oil better, improving sealing capacity, reducing oil consumption, allowing the engine tail gas emission reaching Euro III standard for the benefit of environment protection and health of mankind.

Description

Alternating rotating direction honing cylinder jacket platform webbing technique
Technical field
The present invention relates to a kind of alternating rotating direction honing cylinder jacket platform webbing technique; help to strengthen secondary oil storage of engine friction and greasy property, prolong engine service life, significantly reduce Oil Consumption; improve the engine exhaust emission quality, be beneficial to environmental protection and health.
Background technology
At present, the fast swift and violent development of national auto industry, automobile pollution grows with each passing day, but the exhaust emissions noxious pollutant of engine increases the weight of day by day to the pollution of natural environment.Especially more outstanding to the pollution in city, traditional cylinder jacket reticulate pattern manufacturing technology can not effectively reach the lubricated performance of oil storage and matching property, and the Oil Consumption height does not adapt to the high-level emission request of the present engine of China.
Summary of the invention
Engine motor oil consumption height, service life are short in order to overcome, exhaust emissions exceeds standard, and influences the outstanding problem of human health, the invention provides a kind of alternation honing cylinder jacket platform webbing technique.
The technical solution adopted for the present invention to solve the technical problems is: change the reticulate structure of interior surface of cylinder liner, by handing over honing technique, the graphite that is embedded in metallic interior surface is come out fully, reach good oil storage and self-lubricity energy.By chain-wales in the platform reticulate pattern and deep trench, played supporting piston motion and the lubricated remarkable result of oil storage, effectively shorten running-in time, prolongation cylinder sleeve service life.
The present invention compares with common cross hatch, and in the process of platform reticulate pattern, the spike and the burr of working surface are removed, so initial fitting property can be good, cylinder sleeve enters the operate as normal phase very soon, has reduced Oil Consumption significantly.
The present invention makes the chain-wales of inboard wall of cylinder liner strengthen loaded area, improves sealing property.Platform reticulate pattern actual bearer area improves 6-7 doubly than the surface of common honing processing, and the increase of contact area has improved the air-tightness of piston ring to cylinder hole inwall, has reduced time capacity, has improved engine power.
The present invention makes inboard wall of cylinder liner form numerous deep trench, and in sample length 4mm scope, the groove of dark 4um has more than 5, simultaneously by the alternation honing, the exposed rate of graphite is fully exposed, and strengthens the oil storage greasy property, improves effective power.Can not set up oil film continuous, effective, sufficient intensity between the cylinder hole surface of common honing and the piston ring, produce than galling, even scuffing of cylinder bore, the overhaul life shortened.Machine oil is stored on the platform reticulate pattern surface in the deep valley district, continuous cross network groove helps machine oil and evenly distributes at the cylinder jacket working surface, and the chain-wales at top helps the formation of high-strength oil film, sufficient lubrication piston ring, casing wall friction pair, equally distributed graphite can store more lubricating oil in body, and in real time an amount of release is lubricated for piston ring, and graphite itself has lubricating function simultaneously, strengthen the greasy property of friction pair, reduced the loss of frictional work.
The present invention reduces the machine oil burning, is beneficial to emission compliance.Platform reticulate pattern adds man-hour, adopt thicker emery stick and lower honing pressure, help improving the cylindricity and the circularity of inner surface of cylinder liner, better and piston ring forms sealing, make the machine oil on the interior surface of cylinder liner be scraped back crankcase more completely, reduce the burning of machine oil, reduced the consumption of machine oil, improved discharge index.
The alternation honing cylinder jacket platform webbing is compared with common honing cylinder jacket, has shortened 1/3-1/2 running-in period, and the life-span has been improved 20%-30%, moment of torsion has improved 6%, consumption of lubricating oil reduces 55%-85%, and can avoid pull-cylinder phenomena in the engine working process, can reach the requirement of various Abgasgesetzs.
Description of drawings
The present invention is further described in technological process in the Figure of description.
The specific embodiment
1. select rational technological process and processing mode
The processing of cylinder cover inner hole is finished by heavy boring, right boring, honing operation.The heavy boring operation is mainly removed big allowance, guarantees for the postorder right boring provides reliable processing.The right boring operation is not only removed most allowance, guarantee the honing surplus all even accurately, the more important thing is form tolerances such as the positional precision that guarantees cylinder cover inner hole and endoporus cylindricity, for the honing operation provides good processing basis.
The honing process is divided into the thick top gem of a girdle-pendant, the half smart top gem of a girdle-pendant, smart top gem of a girdle-pendant three phases.In order to make graphite fully exposed, cylinder sleeve bore is carried out alternating rotating direction processing, boring cutter dextrorotation during bore hole, bistrique is left-handed during rough honing, bistrique dextrorotation again when half microhoning and microhoning, graphite linings can occur being rightabout distribution like this, makes the distortion in boundary layer reach minimum degree.Thick top gem of a girdle-pendant main purpose is to remove most of honing surplus fast, revises the form error that right boring processing produces, and half microhoning is the critical process that guarantees finished size precision, form accuracy and platform reticulate pattern surface assessment parameters stability.
2. select desirable process equipment and technological equipment
(1) two feeding honing machines are the desirable process equipments of processing platform net grain surface, and it can guarantee that workpiece finishes the processing of drawing in the net with twice different operation of platform in a clamping, improve the uniformity consistency and the stability of platform reticulate pattern surface parameter.
(2) requirement of the accuracy of manufacture of honing head is very high, and the fit clearance of rise core and bistrique body apertures fit clearance, sand stripe stand and bistrique body groove is little under the prerequisite that assurance is not stuck, and the core tapering that rises should be consistent with the emery stick tapering.
(3) select the odd number sand stripe stand, domestic sand stripe stand all is even numbers, is generally four, six, eight, be convenient to honing head rule bowlder and measure, but its defective is easy to resonance.The present invention adopts the odd number sand stripe stand, and medium and small cylinder diameter normally selects for use five emery sticks to be advisable, and has eliminated covibration effectively.
3. the correct selection emery stick and the emery wheel of reconditioning
(1) correct selection emery stick, it is unimpeded, even, narrow that the platform honing surface will reach reticulate pattern, and certain degree of depth is arranged, and guarantees that various assessment parameters are reasonable, and the selection of emery stick is very crucial.The selection of abrasive material, granularity, bond, hardness and the tissue of requirement emery stick must be rationally.
(2) reconditioning of emery stick, after emery stick work a period of time, the spike of sand grains is by blunt, and the working surface of emery stick is clung by greasy filth simultaneously, influences the quality of stock-removing efficiency and platform reticulate pattern, and must carry out reconditioning this moment to emery stick.The emery wheel material of reconditioning should be selected SIC for use, granularity thick No. than hone stone.The linear velocity of reconditioning is about 18m/s.The outer round surface of emery stick, the outer round surface of gib block should with the honing head axis coaxle, coaxiality error should be less than 0.015mm, the emery stick tapering after the reconditioning should be less than 0.01mm.

Claims (3)

1, the present invention relates to a kind of alternating rotating direction honing cylinder jacket platform webbing technique; it is characterized in that: by the alternating rotating direction honing platform webbing technique; make inboard wall of cylinder liner fully expose graphite; and acquisition ideal platform webbing technique parameter; played good lubricated and wear-resisting effect; reduce Oil Consumption significantly, improved the engine exhaust emission quality, be beneficial to environmental protection and health.
2, according to claims 1 described alternating direction honing cylinder jacket platform webbing technique, it is characterized in that: by reverse honing graphite is exposed fully, strengthen oil storage and greasy property, prolong the service life of joining duplicate.
3, according to claims 1 described alternating direction honing cylinder jacket platform webbing technique, it is characterized in that: by the alternation honing, can make that the inboard wall of cylinder liner reticulate pattern is unimpeded, spike is removed, form chain-wales, strengthened loaded area, played good sealing function, unnecessary lubricating oil has been scraped back crankcase timely, reduced the consumption of lubricating oil, made engine exhaust emission reach Europe III discharge standard.
CN 200610039632 2006-04-18 2006-04-18 Alternating rotating direction honing cylinder jacket platform webbing technique Pending CN101058165A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610039632 CN101058165A (en) 2006-04-18 2006-04-18 Alternating rotating direction honing cylinder jacket platform webbing technique

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Application Number Priority Date Filing Date Title
CN 200610039632 CN101058165A (en) 2006-04-18 2006-04-18 Alternating rotating direction honing cylinder jacket platform webbing technique

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CN101058165A true CN101058165A (en) 2007-10-24

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102310316A (en) * 2011-08-10 2012-01-11 龙工(上海)桥箱有限公司 Method for completing high-precision machining of valve body hole series on machine tool of machining center.
CN102896576A (en) * 2011-07-27 2013-01-30 纳格尔机械及工具制造厂有限责任公司 Method and machining installation for the finishing of a crankshaft bearing bore
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
CN107775520A (en) * 2017-10-26 2018-03-09 承德苏垦银河连杆有限公司 A kind of processing method of connecting rod macropore platform reticulate pattern
CN110370163A (en) * 2019-07-18 2019-10-25 宜昌船舶柴油机有限公司 The quick honing method of marine low speed diesel engine cylinder jacket
CN112658965A (en) * 2020-12-24 2021-04-16 潍柴动力股份有限公司 Method for processing reticulate pattern structure of reticulate pattern cylinder sleeve and reticulate pattern cylinder sleeve

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102896576A (en) * 2011-07-27 2013-01-30 纳格尔机械及工具制造厂有限责任公司 Method and machining installation for the finishing of a crankshaft bearing bore
CN102310316A (en) * 2011-08-10 2012-01-11 龙工(上海)桥箱有限公司 Method for completing high-precision machining of valve body hole series on machine tool of machining center.
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
CN107775520A (en) * 2017-10-26 2018-03-09 承德苏垦银河连杆有限公司 A kind of processing method of connecting rod macropore platform reticulate pattern
CN107775520B (en) * 2017-10-26 2019-02-19 承德苏垦银河连杆有限公司 A kind of processing method of connecting rod macropore platform reticulate pattern
CN110370163A (en) * 2019-07-18 2019-10-25 宜昌船舶柴油机有限公司 The quick honing method of marine low speed diesel engine cylinder jacket
CN112658965A (en) * 2020-12-24 2021-04-16 潍柴动力股份有限公司 Method for processing reticulate pattern structure of reticulate pattern cylinder sleeve and reticulate pattern cylinder sleeve

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Open date: 20071024