CN105798548A - Machining process for mine car font suspension oil cylinder guide sleeve - Google Patents

Machining process for mine car font suspension oil cylinder guide sleeve Download PDF

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Publication number
CN105798548A
CN105798548A CN201610253346.1A CN201610253346A CN105798548A CN 105798548 A CN105798548 A CN 105798548A CN 201610253346 A CN201610253346 A CN 201610253346A CN 105798548 A CN105798548 A CN 105798548A
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China
Prior art keywords
turning
finish turning
guide sleeve
oil cylinder
flange
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Granted
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CN201610253346.1A
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Chinese (zh)
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CN105798548B (en
Inventor
汪立平
张振忠
兰根招
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Jiangsu Hengli Hydraulic Co Ltd
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Jiangsu Hengli Hydraulic Co Ltd
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Priority to CN201610253346.1A priority Critical patent/CN105798548B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Abstract

The invention discloses a machining process for mine car front suspension oil cylinder guide sleeve. The machining process includes the following specific steps of casting, rough turning, primary half finish turning, secondary half finish turning, drilling and tapping and finish turning. In the working procedures of primary half finish turning and secondary half finish turning, a guide sleeve is clamped to a chuck through a clamping sleeve; in the finish turning working procedure, the guide sleeve is fixed through a press-fitting structure, the press-fitting structure comprises a tool flange clamped to the chuck and a pressing plate, the tool flange is fixedly connected with one end of the guide sleeve through screws, the pressing plate is located at the other end of the guide sleeve, and the pressing plate is fixedly connected with the tool flange through bolts, so that the guide sleeve is pressed on the tool flange. By means of the manner of the machining process, stress deformation of the guide sleeve in the machining process is eliminated through the reasonable machining sequence and tools, and the coaxiality, circularity and face runout of parts are guaranteed.

Description

Mine car front overhang oil cylinder guide sleeve processing technique
Technical field
The present invention relates to oil cylinder manufacturing technology field, particularly relate to a kind of mine car front overhang oil cylinder guide sleeve processing technique.
Background technology
Industrial car useful load is big, its mobility is required more and more higher by people, its average overall travel speed, ride performance, lateral stability, buffering reliability and riding comfort are the several important indicators to its mobility, these are all relevant to the natural vibration characteristic of vehicle body, the natural vibration characteristic of vehicle body is determined by its suspension system, at present, suspension oil cylinder is general is applied in mine car suspension system.
Fairlead is one of key components and parts of mine car front overhang oil cylinder, and the axiality of each sealed groove, end face run-out degree require significantly high, otherwise can cause that the sealing member premature failure of oil cylinder causes the disabler of oil cylinder.
Fairlead belongs to thin wall component, will reach requirements above, and the clamping of the course of processing is very crucial, otherwise can cause deformation failure because of machining stress, and current fairlead processing method is also immature, and many all stress deform unsuccessfully, and yield rate is low.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of mine car front overhang oil cylinder guide sleeve processing technique, is eliminated the stress deformation of the fairlead course of processing by rational processing sequence, frock, it is ensured that the axiality of part, circularity, end face run-out degree.
For solving above-mentioned technical problem, the technical scheme that the present invention adopts is: provide a kind of mine car front overhang oil cylinder guide sleeve processing technique, including step in detail below: casting → rough turn → half finish turning 1 → half finish turning 2 → boring, tapping → finish turning;
Wherein, in half finish turning 1 and half finish turning 2 operation, use chuck to be directed to suit and clip on chuck;
In finish turning operation, adopt press mounting structure that fairlead is fixed, described press mounting structure includes the frock flange and the pressing plate that are clamped on chuck, screw is passed through affixed between described frock flange and one end of fairlead, described pressing plate is positioned at the other end of fairlead, passing through bolt between described pressing plate and frock flange affixed, being pressed on frock flange thus being directed to set.
In a preferred embodiment of the present invention, including step in detail below: 3 → warehouse-in is known → checked to casting → inspection 1 → rough turn → inspection 2 → half finish turning 1 → half finish turning 2 → boring, tapping → finish turning → blaze;Concrete technology is as follows:
Casting: rationally pour into a mould, obtain foundry goods;
Inspection 1: casting material component inspection;
Rough turn: cylindrical, endoporus, facing;
Inspection 2:UT checks, MT checks;
Half finish turning 1,2: endoporus, cylindrical, groove, facing, turning process chuck protects, it is to avoid clamping deformation;
Boring, tapping;
Finish turning: point three work steps
Work step 1: lathe chuck clamping tooling flange, turning end face of flange after centering, it is directed to set with screw and is fixed on flange, turning other end is to size;
Work step 2: pressing plate is fixed on workpiece periphery, compresses end face, and turning inner hole, groove are to size;
Work step 3: pressing plate is fixed on inside workpiece, compresses end face, and size, groove are to size;
3 → warehouse-in is known → checked to blaze: blaze is known, and three-coordinates measuring machine checks all sizes, behavior tolerance, qualified warehouse-in.
In a preferred embodiment of the present invention, in rough turn step: cylindrical, endoporus, facing, respectively stay the allowance of 3mm.
In a preferred embodiment of the present invention, in half finish turning 1,2 step: endoporus, cylindrical, facing, playing screwed hole facing and put in place, length stays 0.1mm surplus, and endoporus, cylindrical, gash depth width respectively stay 0.5mm surplus;
In a preferred embodiment of the present invention, in finish turning work step 1: lathe chuck clamping tooling flange, turning end face of flange after centering, it is directed to set with screw and is fixed on flange, turning other end, end face run-out degree is less than 0.05, rotating speed 220r/min, amount of feeding 0.22mm/r.
In a preferred embodiment of the present invention, in finish turning work step 2: pressing plate is fixed on workpiece periphery, compressing end face, turning inner hole, groove are to size, rotating speed 200r/min, amount of feeding 0.1mm/r.
In a preferred embodiment of the present invention, in finish turning work step 3: pressing plate is fixed on inside workpiece, compressing end face, size, groove are to size, rotating speed 200r/min, amount of feeding 0.1mm/r.
In a preferred embodiment of the present invention, described fairlead material is QT600-3.
The invention has the beneficial effects as follows: mine car front overhang oil cylinder guide sleeve processing technique of the present invention, eliminated the stress deformation of the fairlead course of processing by rational processing sequence, frock, it is ensured that the axiality of part, circularity, end face run-out degree, qualification rate reaches 98%.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of fairlead of the present invention;
Fig. 2 is the frock schematic diagram of half finish turning operation;
Fig. 3 is the frock schematic diagram of finish turning operation work step 1;
Fig. 4 is the frock schematic diagram of finish turning operation work step 2;
Fig. 5 is the frock schematic diagram of finish turning operation work step 3.
In accompanying drawing, the labelling of each parts is as follows: 1, frock flange, and 2, pressing plate.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1 to Fig. 5, be below a case history:
Casting: rationally pour into a mould;
Inspection 1: casting material component inspection;
Rough turn: cylindrical, endoporus, facing, respectively stay the allowance of 3mm;
Inspection 2:UT checks, MT checks;
Half finish turning 1,2: endoporus, cylindrical, facing, plays screwed hole facing and puts in place, and length stays 0.1mm surplus, and endoporus, cylindrical, gash depth width respectively stay 0.5mm surplus, and turning process chuck protects, it is to avoid clamping deformation;
Boring, tapping: bore bottom outlet 2-φ 5.2 deep 25, centre-to-centre spacing 126 ± 0.1, tapping 2-1/4-20-2B deep 17;
Finish turning: point three work steps
Work step 1: lathe chuck clamping tooling flange, turning end face of flange after centering, be directed to set with screw and be fixed on flange, turning other end to size 76.2 ± 0.25, end face run-out degree less than 0.05, rotating speed 220r/min, amount of feeding 0.22mm/r;
Work step 2: pressing plate is fixed on workpiece periphery, compresses end face, and turning inner hole, groove are to size, and ensure groove roughness, rotating speed 200r/min, amount of feeding 0.1mm/r;
Work step 3: pressing plate is fixed on inside workpiece, compresses end face, and size, groove are to size, and ensure groove roughness, rotating speed 200r/min, amount of feeding 0.1mm/r;
3 → warehouse-in is known → checked to blaze: blaze is known, and three-coordinates measuring machine checks all sizes, behavior tolerance, qualified warehouse-in.
Above-mentioned case history, qualification rate reaches 98%.
Mine car front overhang oil cylinder guide sleeve processing technique of the present invention, eliminates the stress deformation of the fairlead course of processing, it is ensured that the axiality of part, circularity, end face run-out degree, qualification rate reaches 98% by rational processing sequence, frock.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, all in like manner include in the scope of patent protection of the present invention.

Claims (8)

1. a mine car front overhang oil cylinder guide sleeve processing technique, it is characterised in that include step in detail below: casting → rough turn → half finish turning 1 → half finish turning 2 → boring, tapping → finish turning;
Wherein, in half finish turning 1 and half finish turning 2 operation, use chuck to be directed to suit and clip on chuck;
In finish turning operation, adopt press mounting structure that fairlead is fixed, described press mounting structure includes the frock flange and the pressing plate that are clamped on chuck, screw is passed through affixed between described frock flange and one end of fairlead, described pressing plate is positioned at the other end of fairlead, passing through bolt between described pressing plate and frock flange affixed, being pressed on frock flange thus being directed to set.
2. mine car front overhang oil cylinder guide sleeve processing technique according to claim 1, it is characterized in that, including step in detail below: 3 → warehouse-in is known → checked to casting → inspection 1 → rough turn → inspection 2 → half finish turning 1 → half finish turning 2 → boring, tapping → finish turning → blaze;Concrete technology is as follows:
Casting: rationally pour into a mould, obtain foundry goods;
Inspection 1: casting material component inspection;
Rough turn: cylindrical, endoporus, facing;
Inspection 2:UT checks, MT checks;
Half finish turning 1,2: endoporus, cylindrical, groove, facing, turning process chuck protects, it is to avoid clamping deformation;
Boring, tapping;
Finish turning: point three work steps
Work step 1: lathe chuck clamping tooling flange, turning end face of flange after centering, it is directed to set with screw and is fixed on flange, turning other end is to size;
Work step 2: pressing plate is fixed on workpiece periphery, compresses end face, and turning inner hole, groove are to size;
Work step 3: pressing plate is fixed on inside workpiece, compresses end face, and size, groove are to size;
3 → warehouse-in is known → checked to blaze: blaze is known, and three-coordinates measuring machine checks all sizes, behavior tolerance, qualified warehouse-in.
3. mine car front overhang oil cylinder guide sleeve processing technique according to claim 2, it is characterised in that in rough turn step: cylindrical, endoporus, facing, respectively stay the allowance of 3mm.
4. mine car front overhang oil cylinder guide sleeve processing technique according to claim 2, it is characterized in that, in half finish turning 1,2 step: endoporus, cylindrical, facing, play screwed hole facing and put in place, length stays 0.1mm surplus, and endoporus, cylindrical, gash depth width respectively stay 0.5mm surplus.
5. mine car front overhang oil cylinder guide sleeve processing technique according to claim 2, it is characterized in that, in finish turning work step 1: lathe chuck clamping tooling flange, turning end face of flange after centering, it is directed to set with screw and is fixed on flange, turning other end, end face run-out degree is less than 0.05, rotating speed 220r/min, amount of feeding 0.22mm/r.
6. mine car front overhang oil cylinder guide sleeve processing technique according to claim 2, it is characterised in that in finish turning work step 2: pressing plate is fixed on workpiece periphery, compresses end face, and turning inner hole, groove are to size, rotating speed 200r/min, amount of feeding 0.1mm/r.
7. mine car front overhang oil cylinder guide sleeve processing technique according to claim 2, it is characterised in that in finish turning work step 3: pressing plate is fixed on inside workpiece, compresses end face, and size, groove are to size, rotating speed 200r/min, amount of feeding 0.1mm/r.
8. the mine car front overhang oil cylinder guide sleeve processing technique according to any one of claim 1 ~ 7, it is characterised in that described fairlead material is QT600-3.
CN201610253346.1A 2016-04-22 2016-04-22 Mine car front overhang oil cylinder guide sleeve processing technology Active CN105798548B (en)

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Application Number Priority Date Filing Date Title
CN201610253346.1A CN105798548B (en) 2016-04-22 2016-04-22 Mine car front overhang oil cylinder guide sleeve processing technology

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Application Number Priority Date Filing Date Title
CN201610253346.1A CN105798548B (en) 2016-04-22 2016-04-22 Mine car front overhang oil cylinder guide sleeve processing technology

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CN105798548B CN105798548B (en) 2018-01-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111185727A (en) * 2020-01-16 2020-05-22 郑州煤机综机设备有限公司 Guide sleeve remanufacturing method
CN111515628A (en) * 2020-05-07 2020-08-11 河北华北柴油机有限责任公司 Processing method of large-diameter blind hole thin-wall shell
CN111702187A (en) * 2020-04-12 2020-09-25 山东祥德机电有限公司 Lathe tool device used after carburizing and quenching of hydraulic breaking hammer cylinder body and machining method

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Publication number Priority date Publication date Assignee Title
JPS59196131A (en) * 1983-04-23 1984-11-07 Mitsubishi Heavy Ind Ltd Preparation of double-layer cylinder liner
US5387172A (en) * 1992-08-13 1995-02-07 Sigri Great Lakes Carbon Gmbh Fiber-reinforced plastic cylinder with an outer wear-resistant layer of filler-containing plastic and a method for producing the same
CN1424175A (en) * 2002-08-27 2003-06-18 陈建文 Circular mould making process for sulfurization of V-belt
CN201940842U (en) * 2011-03-17 2011-08-24 徐州压力机械有限公司 Lathe processing device with thin-walled guide sleeve
CN102179677A (en) * 2011-05-27 2011-09-14 大连滨城活塞制造有限公司 Processing process of piston cylinder sleeve
CN102371468A (en) * 2010-08-08 2012-03-14 朱国萍 Process for machining thin-wall air cylinder sleeve
CN103615267A (en) * 2013-11-29 2014-03-05 中煤北京煤矿机械有限责任公司 Guide sleeve of hydraulic support stand column and machining method

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Publication number Priority date Publication date Assignee Title
JPS59196131A (en) * 1983-04-23 1984-11-07 Mitsubishi Heavy Ind Ltd Preparation of double-layer cylinder liner
US5387172A (en) * 1992-08-13 1995-02-07 Sigri Great Lakes Carbon Gmbh Fiber-reinforced plastic cylinder with an outer wear-resistant layer of filler-containing plastic and a method for producing the same
CN1424175A (en) * 2002-08-27 2003-06-18 陈建文 Circular mould making process for sulfurization of V-belt
CN102371468A (en) * 2010-08-08 2012-03-14 朱国萍 Process for machining thin-wall air cylinder sleeve
CN201940842U (en) * 2011-03-17 2011-08-24 徐州压力机械有限公司 Lathe processing device with thin-walled guide sleeve
CN102179677A (en) * 2011-05-27 2011-09-14 大连滨城活塞制造有限公司 Processing process of piston cylinder sleeve
CN103615267A (en) * 2013-11-29 2014-03-05 中煤北京煤矿机械有限责任公司 Guide sleeve of hydraulic support stand column and machining method

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Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111185727A (en) * 2020-01-16 2020-05-22 郑州煤机综机设备有限公司 Guide sleeve remanufacturing method
CN111702187A (en) * 2020-04-12 2020-09-25 山东祥德机电有限公司 Lathe tool device used after carburizing and quenching of hydraulic breaking hammer cylinder body and machining method
CN111515628A (en) * 2020-05-07 2020-08-11 河北华北柴油机有限责任公司 Processing method of large-diameter blind hole thin-wall shell

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