CN201548176U - Equipment for detecting excircle molded line of piston - Google Patents

Equipment for detecting excircle molded line of piston Download PDF

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Publication number
CN201548176U
CN201548176U CN2009202718035U CN200920271803U CN201548176U CN 201548176 U CN201548176 U CN 201548176U CN 2009202718035 U CN2009202718035 U CN 2009202718035U CN 200920271803 U CN200920271803 U CN 200920271803U CN 201548176 U CN201548176 U CN 201548176U
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CN
China
Prior art keywords
guide rail
piston
shape line
height gauge
checkout equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009202718035U
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Chinese (zh)
Inventor
于惠洋
杨磊
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CRRC Dalian Institute Co Ltd
Original Assignee
CNR Dalian Locomotive Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN2009202718035U priority Critical patent/CN201548176U/en
Application granted granted Critical
Publication of CN201548176U publication Critical patent/CN201548176U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides equipment for detecting an excircle molded line of a piston. The detecting equipment includes a worktable, a first guide rail, a second guide rail, a first height gauge, and a second height gauge; the worktable is used for bearing and fixing a piston to be detected; the first guide rail and the second guide rail are respectively arranged on two sides of the worktable and connected with the worktable in a sliding manner; and the first height gauge is connected with the first guide rail, a plurality of measuring support columns are mounted from top to bottom in the height direction, the second height gauge is connected with the second guide rail, and a plurality of measuring meters for measuring the excircle molded line of the piston are mounted from top to bottom in the height direction. The utility model has the advantages of simple structure, reliable work, and low cost, provides conditions for the application and popularization of process technology of detecting the excircle molded line of the piston, effectively improves the efficiency of detecting the excircle molded line of the piston and the reliability of processing pistons, and possessing practical values.

Description

Outside piston shape line checkout equipment
Technical field
The utility model embodiment relates to locomotive outside piston shape line detection technique field, relates in particular to a kind of outside piston shape line checkout equipment of locomotive.
Background technology
Piston is the heart of locomotive engine, bears the mechanical load and the thermal load of alternation in engine operation, is one of worst key components and parts of condition of work in the engine.Along with the locomotive car load is more and more stricter to the requirement of dynamic property, economy, the feature of environmental protection and the reliability of engine, for reducing the frictional work loss of engine, reduce oil consumption, noise and discharging, piston need have thermotolerance, wearing quality, guidance quality and good sealing function stably.For satisfying above functional requirement, piston adopts the light-high-strength new material mostly at present, and it also has very strong process characteristic aspect cut, usually the cylindrical with piston is designed to special-shaped cylindrical, promptly the transverse section perpendicular to piston axis is oval or revises ellipse that ovality changes according to certain rules along axis direction.The outer ring line of above-mentioned piston has the higher detection requirement, and at present, the method for inspection that state's inner carrier manufacturing adopts usually is to carry out the detection of outside piston shape line with roundness measuring equipment.Whether qualified this method is generally the whole outer ring line profile with shape line detector or three coordinates scanning piston, utilizes analysis software that this outer ring line is carried out automatic processing analysis then, draw testing result.
In realizing the utility model process, the inventor finds that there are the following problems at least in the prior art: when adopting above-mentioned shape line detector or three coordinates to detect, scanning outside piston shape line and subsequent analysis processing can expend the long time usually, and speed is slow; And when different manufacturers has different detections to require, may also need to make amendment to detecting software, cost is higher; Sampling number when These characteristics makes and to detect with roundness measuring equipment can not be a lot, and when this made the on-the-spot warehouse entry inspection piston details in enormous quantities of enterprise, the risk of reception was higher, and product quality is wayward.
The utility model content
The purpose of the utility model embodiment provides a kind of outside piston shape line checkout equipment, can be quickly and easily the outer ring line of piston be detected, and reaches the purpose that improves piston detection efficiency and quality control.
For achieving the above object, the utility model embodiment provides a kind of outside piston shape line checkout equipment, comprising:
Worktable is used to carry fixing piston to be detected;
First guide rail and second guide rail are arranged at the both sides of described worktable respectively, and are slidingly connected with described worktable;
First height gauge and second height gauge, described first height gauge is connected with described first guide rail, along short transverse a plurality of measurement fore-sets are installed from top to bottom, described second height gauge is connected with described second guide rail, along short transverse a plurality of meters that are used to measure outside piston shape line is installed from top to bottom.
On this basis, further, described measurement fore-set can be the bulb measurement column.Described meter can be dial test indicator.
Described first height gauge and second height gauge can be the adjustment height chi, a plurality of slide blocks that described adjustment height chi is provided with chute and is slidingly connected with described chute, and described measurement fore-set and meter are dismountable to be installed on the described slide block.Described measurement fore-set and meter are installed on the described slide block by tightening screw.The quantity of described first height gauge and second height gauge can be for a plurality of.
Described first guide rail and second guide rail can be dovetail guide, dress slide block in being provided with in the outer side guidance of described dovetail guide.Can be provided with the inner bearing type that is used for clamping piston on the described worktable and contain the soft three-jaw of covering of the fan.The piston bayonet socket adjusted size scope that described inner bearing type contains the soft three-jaw of covering of the fan can be 210~250mm.Can also be provided with rotary index device in the described worktable, described rotary index device is arranged on the below that described inner bearing type contains the soft three-jaw of covering of the fan.
The utility model embodiment outside piston shape line assay device structures is simple, by adopting meter that the outer ring line of piston is carried out the multiple spot detection, easy to operate, solve present piston and detected cost height, inefficient defective, realized that the detection cost is low, speed is fast, the efficient height can be so that sampling number increases greatly, the risk that receives during enterprise on-the-spot in enormous quantities warehouse entry inspection piston details is lower, and product quality guarantees easily.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model outside piston shape line checkout equipment embodiment;
Fig. 2 is the schematic perspective view of the utility model outside piston shape line checkout equipment embodiment;
Fig. 3 is the vertical sketch of outside piston shape line;
Fig. 4 is the horizontal sketch of outside piston shape line.
Description of reference numerals:
The 11-worktable; 12-first guide rail; 13-second guide rail;
14-first height gauge; 15-second height gauge; 16-measures fore-set;
The 17-meter; The 18-inner bearing type contains the soft three 19-rotation of covering of the fan calibration dress
Pawl; Put;
The 20-piston; The 21-slide block; 22-tightens screw.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of the utility model outside piston shape line checkout equipment embodiment, Fig. 2 is the schematic perspective view of the utility model outside piston shape line checkout equipment embodiment, in conjunction with illustrated in figures 1 and 2, the outside piston shape line checkout equipment of present embodiment mainly comprises worktable 11, first guide rail 12, second guide rail 13, first height gauge 14, second height gauge 15, measures fore-set 16 and meter 17.
Wherein, worktable 11 is used for carrying fixing to piston to be detected when detecting piston; In concrete the enforcement, inner bearing type can be set on this worktable 11 contain the soft three-jaw 18 of covering of the fan, when detecting, piston is fixedly clamped, and this inner bearing type contains the soft three-jaw 18 of covering of the fan can be at the piston of different size tooth mouth, its piston bayonet socket size is carried out the adjustment of 210~250mm, can adapt to the detection of dissimilar piston products, make this checkout equipment can be suitable for the measurement of many specifications piston.Further, more accurate when detecting for making, eliminate the measurement blind spot when detecting, these worktable 11 inside, be positioned at the below that inner bearing type contains the soft three-jaw 18 of covering of the fan, rotary index device 19 can also be set, this rotary index device 19 can rotate piston in testing process easily, thereby the outer ring line to piston that can multi-angle carries out multimetering, improves the degree of accuracy of measuring.
First guide rail 12 and second guide rail 13 are separately positioned on the both sides of worktable 11, and the both sides of the edge of worktable 11 are stuck in the guide groove of corresponding with it above-mentioned two guide rails, make worktable 11 form and be slidingly connected that worktable 11 can move along guide rail with above-mentioned two guide rails; This guide rail mainly is to be used for when detecting worktable 11 being moved into or shifting out the testing district, makes that the detection replacing of piston is mobile comparatively convenient.In concrete the enforcement, above-mentioned guide rail can adopt dovetail guide, and can be provided with slide block 21 in the outer side guidance of this dovetail guide, the height gauge that is positioned at the guide rail both sides can be connected with guide rail by this slide block 21, and by tightening screw retention, height gauge can move by this slide block 21 easily.
Be connected with first height gauge 14 of vertical placement in the outside of first guide rail 12, the outside of second guide rail 13 is connected with second height gauge 15 of vertical placement, this two zones that height gauge is formed of promptly serving as reasons, the workspace of detecting piston, piston to be detected is placed between first height gauge 14 and second height gauge 15, can measure the size of the outer ring line of piston.Concrete, first height gauge 14 is equipped with a plurality of measurement fore-sets 16 from top to bottom along short transverse, this measurement fore-set 16 is used for holding out against piston when piston detects, make it fixing, and it mainly acts on is to aim at dial test indicator in measuring process, both determine a straight line, and make this straight line of determining through measurement point; In concrete the enforcement, it can adopt the bulb measurement column.Second height gauge 15 is equipped with a plurality of meters 17 from top to bottom along short transverse, and this meter 17 is used for when piston detects the size of outside piston shape line being measured; In concrete the enforcement, it can adopt dial test indicator.
Wherein, measuring fore-set 16 and meter 17 needs horizontal direction to aim at when detecting, and promptly aims at the in-plane of piston xsect.And a plurality of measurement fore-sets 16 on the height gauge and meter 17 can be used to measure a plurality of measurement points on the varying cross-section on the corresponding outside piston shape line, its quantity can be carried out suitable change according to different measurement needs, for example, when measuring a plurality of measurement point if desired, can increase the quantity of measuring fore-set 16 and meter 17.In order easily the height of measuring fore-set 16 and meter 17 to be adjusted, first height gauge 14 and second height gauge 15 can adopt the adjustment height chi, a plurality of slide blocks that this adjustment height chi is provided with chute and is slidingly connected with chute, measuring fore-set 16 and meter 17 dismountable being installed on the slide block for example sets firmly by tightening screw, measure fore-set 16 and meter 17 like this and just can on the adjustment height chi, carry out the adjustment of height up and down easily, thereby realization is easily to the measurement of a plurality of measurement points on the corresponding varying cross-section on the outside piston shape line by moving slider.If the slide block quantity on the general adjustment height chi is restricted, when for example having only four slide blocks usually, when thinking further to increase the measurement component of installing on the adjustment height chi and promptly measure the quantity of fore-set 16 and meter 17, can adopt the method that increases the adjustment height chi, and with the measurement component on the adjustment height chi that increases newly be provided with the height with other adjustment height chis on being provided with highly of measurement component stagger, make that promptly measurement component is positioned at different height on the different adjustment height chis, so just can realize increasing the purpose of measurement point, comparatively convenient.
The detailed process that again the outside piston shape line checkout equipment of present embodiment is detected piston describes as follows below:
The measurement fore-set 16 of present embodiment is an example with the bulb measurement column, and meter 17 is that example describes with the dial test indicator.In addition, for making description more convenient and clear, describe below in conjunction with Fig. 3 and Fig. 4, Fig. 3 is the vertical sketch of outside piston shape line, and Fig. 4 is the horizontal sketch of outside piston shape line.Need in the present embodiment to suppose the outside piston shape line measured, the piston xsect ellipse of choosing respectively on corresponding surface level 1, surface level 2 and the surface level 3 on is vertically measured, this oval shape can be with reference to figure 4, the measurement point that needs to measure the corresponding different angles of a plurality of difference on each horizontal section ellipse, for example, choose some A, some B and the pairing measurement point of some C measured on above-mentioned three surface levels in the present embodiment, i.e. totally 9 measurement points.Then can outside piston shape line checkout equipment be set at this measurement requirement, concrete, 3 first height gauges 14 can be set respectively, on each first height gauge 14 3 bulb measurement columns are installed from top to bottom; 3 second height gauges 15 are set, on each second height gauge 15 3 dial test indicators are installed from top to bottom.Wherein, 3 first height gauges 14 and second height gauge 15 are 3 measurement points that are used on respectively corresponding each surface level, and 3 the bulb measurement columns and the dial test indicator of each height gauge are used for respectively corresponding 3 surface levels.The parameter that needs to measure is for certain height horizontal ellipse cross section, and certain measured point on it is with respect to the side-play amount of positive rounded edge point, and for example, the some A on the surface level 1 needs the offset X of measurement point A with respect to a D.Below be concrete measuring process:
At first, before detection, need utilize a standard component that the dial test indicator of this checkout equipment is returned to zero earlier.Before zeroing, need to adjust earlier the dial test indicator of corresponding each measurement point and bulb measurement column at same surface level, and on the same straight line perpendicular to guide rail.For example, measurement point A point on the corresponding surface level 1, need to adjust first height gauge 14 in the centre position in 3 first height gauges 14, second height gauge 15 with centre position in 3 second height gauges 15, make the dial test indicator of the bulb measurement column be positioned at the top on the above-mentioned height gauge and the top be positioned at the height at surface level 1 place, and on the same straight line perpendicular to guide rail.In concrete the enforcement, can adjust both in the identical graduation position that is positioned at guide rail, refer again to the scale on the height gauge, adjust both and get final product at the height place at surface level 1 place with reference to the scale on the guide rail.In like manner, can be according to the method described above, pairing dial test indicator of other measurement points of corresponding adjustment and bulb measurement column.Wherein, position adjustment for the point of the B on each surface level and pairing clock gauge of C point and bulb measurement column, because directions X (promptly along the guide rail movement direction) side-play amount that B point and C point are ordered with respect to A is a certain value, so the position between pairing height gauge of A point and B point, the pairing height gauge of C point also can be set at above-mentioned offset value easily.
Then, the standard component with a right cylindrical shape is fixed on the worktable 11 earlier, utilizes inner bearing type to contain the soft three-jaw 18 of covering of the fan with its stretching.This worktable 11 is slowly moved into the workspace along guide rail, make two sidewalls of the standard component on the worktable 11 contact the bulb measurement column in left side and the dial test indicator on right side respectively.Bulb measurement column and dial test indicator will slip over along the outside surface of standard component, and when the scale side-play amount of dial test indicator was maximum, 2 definite straight lines of expression dial test indicator and bulb measurement column were through the center of circle of standard component.Pair dial test indicator corresponding with some A returns to zero in this position, and writes down the scale position at place on the guide rail.In like manner, when the pairing clock gauge of A point was determined the zeroing position, B point and the pairing clock gauge of C point had promptly been determined its zeroing position.In said process, each measurement point on three surface levels promptly can be finished zeroing work simultaneously.After zeroing finishes, worktable 11 is shifted out the workspace along guide rail, take off standard component.
Then, carry out the detection of tested piston.Tested piston 20 is fixed on the worktable 11, utilizes inner bearing type to contain the soft three-jaw 18 of covering of the fan its stretching.First guide rail 12 of adjustment worktable 11 both sides and the slide block in second guide rail 13 are to correct position, with tightening the position of screw lock worktable 11 at guide rail.Then, this worktable 11 is slowly moved into the workspace along guide rail.At this moment, utilize bulb measurement column in the workspace and dial test indicator that the outer ring line of tested piston 20 is detected.When worktable 11 moves to the guide rail scale position of determining before, make that promptly the center of circle of tested piston is positioned at the pairing guide rail scale of A point position on the worktable 11, at this moment, can measure the migration parameter that the A on the tested piston is ordered according to the side-play amount of clock gauge, i.e. the offset X that the A point is ordered with respect to D among Fig. 4.Simultaneously, can measure the migration parameter that B point on the tested piston and C are ordered according to the side-play amount of B point and the pairing clock gauge of C point, for example, the migration parameter that B is ordered is the side-play amount that the B point is ordered with respect to F.In said process, the migration parameter of each measurement point on three surface levels in like manner also can measure, and repeats no more.
As shown in Figure 4, when detecting blind spot may appear detecting, for example, for be positioned at 0 degree and 180 points of spending may detect less than.At this moment, can earlier the piston 20 of having surveyed other points slowly be shifted out the workspace, the rotary index device on the rotary table 11 revolves it and turn 90 degrees, and moves into the workspace again and detects.Measure again through above-mentioned rotation, just can be so that comparatively accurate to the detection of outside piston shape line, reduced the shape of effective shape line of piston and ovality really, meet the piston detection and in the harmony of engine request for utilization.
Present embodiment carries out the multiple spot detection by adopting meter to the outer ring line of piston, easy to operate, with low cost, solve present piston and detected cost height, inefficient defective, realized that the detection cost is low, speed is fast, the efficient height can be so that sampling number increases greatly, the risk that receives during enterprise on-the-spot in enormous quantities warehouse entry inspection piston details is lower, and product quality guarantees easily; And the outside piston shape line assay device structures of present embodiment is simple, reliable operation, promote the condition that provides for realizing outside piston shape line characterization processes The Application of Technology, significantly improve the reliability of locomotive engine outside piston shape line detection efficiency and piston processing, possessed higher utility.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (10)

1. an outside piston shape line checkout equipment is characterized in that, comprising:
Worktable is used to carry fixing piston to be detected;
First guide rail and second guide rail are arranged at the both sides of described worktable respectively, and are slidingly connected with described worktable;
First height gauge and second height gauge, described first height gauge is connected with described first guide rail, along short transverse a plurality of measurement fore-sets are installed from top to bottom, described second height gauge is connected with described second guide rail, along short transverse a plurality of meters that are used to measure outside piston shape line is installed from top to bottom.
2. outside piston shape line checkout equipment according to claim 1 is characterized in that described measurement fore-set is the bulb measurement column.
3. outside piston shape line checkout equipment according to claim 1 is characterized in that described meter is a dial test indicator.
4. outside piston shape line checkout equipment according to claim 1, it is characterized in that, described first height gauge and second height gauge are the adjustment height chi, a plurality of slide blocks that described adjustment height chi is provided with chute and is slidingly connected with described chute, described measurement fore-set and meter are dismountable to be installed on the described slide block.
5. outside piston shape line checkout equipment according to claim 4 is characterized in that described measurement fore-set and meter are installed on the described slide block by tightening screw.
6. outside piston shape line checkout equipment according to claim 1 is characterized in that the quantity of described first height gauge and second height gauge is a plurality of.
7. outside piston shape line checkout equipment according to claim 1 is characterized in that described first guide rail and second guide rail are dovetail guide, dress slide block in being provided with in the outer side guidance of described dovetail guide.
8. outside piston shape line checkout equipment according to claim 1 is characterized in that, described worktable is provided with the inner bearing type that is used for clamping piston and contains the soft three-jaw of covering of the fan.
9. outside piston shape line checkout equipment according to claim 8 is characterized in that, the piston bayonet socket adjusted size scope that described inner bearing type contains the soft three-jaw of covering of the fan is 210~250mm.
10. outside piston shape line checkout equipment according to claim 9 is characterized in that, also is provided with rotary index device in the described worktable, and described rotary index device is arranged on the below that described inner bearing type contains the soft three-jaw of covering of the fan.
CN2009202718035U 2009-11-18 2009-11-18 Equipment for detecting excircle molded line of piston Expired - Fee Related CN201548176U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103591869A (en) * 2013-11-06 2014-02-19 中国南方航空工业(集团)有限公司 Method for measuring outer circle size of aerial annular thin-wall type part and special fixture thereof
CN104121881A (en) * 2014-07-07 2014-10-29 芜湖市海联机械设备有限公司 Device for measuring surface roughness of finely-rolled ring
CN106382879A (en) * 2016-10-28 2017-02-08 安徽省恒泰动力科技有限公司 Cylinder cover seat ring circularity testing device and cylinder cover seat ring circularity testing mode
CN106524876A (en) * 2016-10-28 2017-03-22 安徽省恒泰动力科技有限公司 Piston circularity testing apparatus and component thereof
CN107246838A (en) * 2016-08-19 2017-10-13 奥克斯空调股份有限公司 A kind of detection means of vertical air conditioner sliding door deflection
CN108917683A (en) * 2018-07-10 2018-11-30 安徽悦众车身装备有限公司 A kind of detection device of the car body outside lacquer painting convenient for operation
CN110440662A (en) * 2016-12-26 2019-11-12 东莞市蓉工自动化科技有限公司 A kind of automatic detection device of cylindrical shape auto parts
CN111023939A (en) * 2020-01-07 2020-04-17 陕西柴油机重工有限公司 Detection tool and method for detecting overall dimension of conical elliptical piston skirt
CN113275657A (en) * 2021-06-17 2021-08-20 浙江伟业锯床有限公司 Saw blade descending speed adjustable sawing machine and control method thereof
CN114894070A (en) * 2022-05-20 2022-08-12 安徽省恒泰动力科技有限公司 Method for detecting key size standard part of piston

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103591869A (en) * 2013-11-06 2014-02-19 中国南方航空工业(集团)有限公司 Method for measuring outer circle size of aerial annular thin-wall type part and special fixture thereof
CN103591869B (en) * 2013-11-06 2017-01-18 中国南方航空工业(集团)有限公司 Method for measuring outer circle size of aerial annular thin-wall type part and special fixture thereof
CN104121881A (en) * 2014-07-07 2014-10-29 芜湖市海联机械设备有限公司 Device for measuring surface roughness of finely-rolled ring
CN107246838A (en) * 2016-08-19 2017-10-13 奥克斯空调股份有限公司 A kind of detection means of vertical air conditioner sliding door deflection
CN106382879A (en) * 2016-10-28 2017-02-08 安徽省恒泰动力科技有限公司 Cylinder cover seat ring circularity testing device and cylinder cover seat ring circularity testing mode
CN106524876A (en) * 2016-10-28 2017-03-22 安徽省恒泰动力科技有限公司 Piston circularity testing apparatus and component thereof
CN110440662A (en) * 2016-12-26 2019-11-12 东莞市蓉工自动化科技有限公司 A kind of automatic detection device of cylindrical shape auto parts
CN108917683A (en) * 2018-07-10 2018-11-30 安徽悦众车身装备有限公司 A kind of detection device of the car body outside lacquer painting convenient for operation
CN111023939A (en) * 2020-01-07 2020-04-17 陕西柴油机重工有限公司 Detection tool and method for detecting overall dimension of conical elliptical piston skirt
CN113275657A (en) * 2021-06-17 2021-08-20 浙江伟业锯床有限公司 Saw blade descending speed adjustable sawing machine and control method thereof
CN113275657B (en) * 2021-06-17 2022-08-16 浙江伟业锯床有限公司 Saw blade descending speed adjustable sawing machine and control method thereof
CN114894070A (en) * 2022-05-20 2022-08-12 安徽省恒泰动力科技有限公司 Method for detecting key size standard part of piston

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Granted publication date: 20100811

Termination date: 20131118