CN103759689B - Method for cylinder cover sample dissection - Google Patents
Method for cylinder cover sample dissection Download PDFInfo
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- CN103759689B CN103759689B CN201310750130.2A CN201310750130A CN103759689B CN 103759689 B CN103759689 B CN 103759689B CN 201310750130 A CN201310750130 A CN 201310750130A CN 103759689 B CN103759689 B CN 103759689B
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Abstract
The invention discloses a method for cylinder cover sample dissection. The method for dissection specifically comprises the steps that firstly, dissection is conducted on a cylinder cover in the width direction; secondly, dissection is conducted on the cylinder cover in the height direction; finally, dissection is conducted on the cylinder cover in the length direction, wherein the center of a nail passing hole is sawn from the front end face and then sawing is sequentially conducted on the center of the nail passing hole in the rear end face. According to the method for cylinder cover sample dissection, the detection steps are simple and reasonable. Dissection is conducted on the portion in the horizontal direction, the height direction and the length direction of the portions of the nail passing hole, a guide pipe hole, an oil atomizer hole, an air inlet and outlet channel, an oil channel, a threaded hole and the like of the cylinder cover and dissection is conducted on the nose bridge zone at 45 degrees so that all portions of the cylinder cover can be completely dissected and the wall thickness and the casing and machining quality of all the positions can be detected. Thus, the pertinence is high, the cutting amount is small, and the efficiency is high.
Description
Technical field
Field, more particularly to a kind of method for cylinder cover sample dissection are dissected the present invention relates to cylinder cap.
Background technology
Diesel engine cylinder cover design of part is complicated, compact to design, and entering and exhaust channel, cooling water cavity, profit are arranged in limited space
Lubricating oil duct, combustion chamber, oil injector hole, tappet via etc., while product performance, reliability in itself is considered, will also embody
The production technology of casting, machining, assembling etc., therefore, in mold design, manufacture and production process, easily there is control
Uniformity is poor, and such as mold design is unreasonable, poor, main core offsets, disconnected core, valve guide bushing boss mistake to leak lug, casting manufacturability
It is deep or shallow etc. to cause thin, sintering influence current cooling of partial wall etc..
It is that product quality is checked at this stage that cylinder cap is dissected, and is pinpointed the problems as wall is thin, it is of poor quality to lack lug, water cavity,
A kind of most common method such as it is not inconsistent with drawing, its main application is directed to complex structure, ND water cavity, intake and exhaust
Road, oil duct, oil injector hole, cross nail, tappet bore etc. and carry out cutting whole into sections, in order to carry out complete detection checking mold design,
Workmanship, casting manufacturability and casting, machining quality, reach pinpoint the problems in time, problem analysis, solve problem it is final
Purpose.
The purpose of dissection can comprehensively understand the structure of exemplar, each position when being for the ease of inspection mutually attached with drawing
Property, find out and there is problem, in time feedback, rectification, closed loop.Existing anatomic method, no matter the structure change of cylinder cap, such as two valves
Four valve is changed to, is all that, left and right sides upper and lower to performance carries out conventional dissection by rule of thumb, easily stay dead angle, it is impossible to pass through in time
Inspection discovers problems and solve them, the hidden danger of quality that there is influence reliability.For example find that a four-valve cylinder head is vented from recently
The situation of the thin 2.3mm of road valve-seat bore 45° angle direction partial wall sees that existing anatomic method also leaves dead angle, and there is influence can
By the hidden danger of quality of property, need to optimize.
The content of the invention
The present invention is to overcome above-mentioned defect in the prior art, there is provided a kind of detecting step advantages of simple, by right
The position such as mistake nail, guide hole, oil injector hole, entering and exhaust channel, oil duct, screw of cylinder cap level, height, three directions of length and
Ridge area position 45° angle is dissected, and each position of cylinder cap is covered comprehensively, is able to detect that wall thickness and the casting of all positions
Make, machining quality, with strong points, cutting quantity is few, the method for cylinder cover sample dissection of efficiency high.
To reach above-mentioned purpose, according to the invention provides a kind of method for cylinder cover sample dissection, specific dissection step bag
Include：
First, cylinder cap width dissection is carried out:
That from close air inlet road junction is drained through nail center according to the first knife, then successively toward deflation area direction position
One knife of each saw, it is ensured that cylinder axis, valve center, fuel-injection pore center, excessively valve guide hole center, nail center, screw
Respectively saw a knife in center；
Secondly, cylinder cap short transverse dissection is carried out：
The first knife is up sawed from exemplar die joint；Then, sample block more than die joint is taken away, from from inlet and outlet road junction face
A knife is sawed in the mistake nail position of both sides respectively, leaves middle inlet and outlet door sample block；Then it is with the oil injector hole center of every cylinder
The cross that basic point put tilted direction is dissected；Finally, short transverse dissection is remake to sample block more than die joint, along dividing for exemplar
A knife is sawed at screw center more than type face, and a knife is sawed after fuel hole center；
Finally, cylinder cap length direction dissection is carried out：
A knife is sawed from the mistake nail center of front end face, a knife is then respectively sawed toward rear end face successively.
In above-mentioned technical proposal, before carrying out cylinder cap width, height, length direction dissection, solution is drawn respectively on cylinder cap exemplar
Three recovery graticules after cuing open.
In above-mentioned technical proposal, three are restored graticule and are two " X " lines.
In above-mentioned technical proposal, after carrying out cylinder cap width, height, length direction dissection, the sample of polylith will be separated into after saw
Block stamp connection restore mark, and put on the ground in order or by number restore stack.
In above-mentioned technical proposal, cylinder cap short transverse when dissected is carried out, up 5mm saws first from exemplar die joint first
Knife.
Compared with prior art, the present invention has the advantages that：Method for cylinder cover sample dissection detecting step letter
It is single rationally, by the position levels such as mistake nail, guide hole, oil injector hole, entering and exhaust channel, oil duct, the screw to cylinder cap, height,
Three directions of length and ridge area position 45° angle are dissected, and each position of cylinder cap is covered comprehensively, are able to detect that all positions
The wall thickness put and casting, machining quality, with strong points, cutting quantity are few, efficiency high.
Brief description of the drawings
Fig. 1 is the schematic diagram of the width dissecting saw exemplar of method for cylinder cover sample dissection of the invention；
Fig. 2 is the first schematic diagram of the short transverse dissecting saw exemplar of method for cylinder cover sample dissection of the invention；
Fig. 3 is the second schematic diagram of the short transverse dissecting saw exemplar of method for cylinder cover sample dissection of the invention；
Fig. 4 is the 3rd schematic diagram of the short transverse dissecting saw exemplar of method for cylinder cover sample dissection of the invention；
Fig. 5 is the 4th schematic diagram of the short transverse dissecting saw exemplar of method for cylinder cover sample dissection of the invention；
Fig. 6 is the schematic diagram of the length direction dissecting saw exemplar of method for cylinder cover sample dissection of the invention；
Fig. 7 is the flow chart of method for cylinder cover sample dissection of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection domain do not limited by specific embodiment.It is to be appreciated that mentioned in implementation below of the invention
" on ", D score, "left", "right", " front " and " reverse side " on the basis of the direction shown in each figure, these are used for limiting direction
Word be intended merely to facilitate explanation, do not represent the limitation to concrete technical scheme of the present invention.
Method for cylinder cover sample dissection detecting step advantages of simple of the invention, by the mistake nail to cylinder cap, guide hole,
The position such as oil injector hole, entering and exhaust channel, oil duct, screw level, height, three directions of length and ridge area position 45° angle are carried out
Dissect, each position of cylinder cap is covered comprehensively, be able to detect that the wall thickness and casting, machining quality of all positions, specific aim
By force, cutting quantity is few, efficiency high.
Detailed description below is by way of example but unrestricted mode illustrates the disclosure, it should be appreciated that the disclosure
The realization that various aspects can individually be realized or combined with other aspects.This specification clearly makes those skilled in the art
Member can manufacture and using it is believed that be new and non-obvious improvement, describe some embodiments, alternative, change
Type, alternative and system application, including it is presently considered to be the best mould for performing the inventive principle described in this specification
Formula.When describe element or feature and or during embodiment, be intended to indicate that with element titled with " one " " one " " being somebody's turn to do " and " described " or
One or more in feature.Term " including " "comprising" and " having " are it is intended that inclusive, and expression is specifically retouched at those
Also there is extra element or feature beyond the element or feature stated.
As shown in fig. 7, illustrating the tool of the method for cylinder cover sample dissection with representative four-valve cylinder head
Body dissection step is：
First, cylinder cap width dissection is carried out:
（1）, draw dissect after first recovery graticule：Use oil pen（Or bistrique）In the front and rear end of cylinder cap exemplar from top
Draw upper 2 " X " lines and be numbered in face to bottom surface.
（2）, clamping exemplar：The supporting sample piece on sawing machine working face, makes exemplar bottom surface down, and school rear end face is perpendicular to work
Platform, deflation area is parallel to saw blade and clamps.
（3）, saw exemplar：Nail center is drained through according to the first knife near that of air inlet road junction first, then successively
A knife is respectively sawed toward deflation area direction position（As shown in Figure 1）, it is ensured that cylinder axis, valve center, fuel-injection pore center, valve
A knife is respectively sawed at guide hole center, excessively nail center, screw center.
（4）, the sample block that is separated into polylith after saw stamp numbering in order immediately.
（5）, exemplar put on the ground in order after sawing or by number restore stack.
Secondly, cylinder cap short transverse dissection is carried out：
（1）, draw dissect after second recovery graticule：Use oil pen（Or bistrique）The front and rear end of exemplar from top surface to
Draw upper 2 " X " lines and be numbered in bottom surface.
（2）, clamping exemplar, by the requirement clamping exemplar of sawed position.
（3）, saw exemplar：From exemplar die joint, up 5mm saws the first knife first（As shown in Figure 2）.Then, die joint is taken away
Sample block above, a upper knife is sawed from the mistake nail position from inlet and outlet road junction face both sides respectively, leaves middle inlet and outlet door sample
Block（As shown in Figure 3）.Then dissected with the cross that the oil injector hole center of every cylinder put tilted direction as basic point（Such as Fig. 4 institutes
Show）.Finally, short transverse dissection is remake to sample block more than die joint, along screw center the saw one more than die joint of exemplar
Knife, after fuel hole center, saw one knife of saw is (as shown in Figure 5）.
（4）, the sample block that is separated into polylith after saw stamps connection and restores mark immediately.
（5）, exemplar put on the ground in order after sawing or by number restore stack.
Finally, cylinder cap length direction dissection is carried out：
（1）, draw dissect after the 3rd recovery graticule：Use oil pen（Or bistrique）In the inlet and outlet mouthful face of cylinder cap from exemplar
Draw upper 2 " X " lines and be numbered in top surface to bottom surface.
（2）, clamping exemplar：The supporting sample piece on sawing machine working face, makes exemplar bottom surface down, and school front end face, rear end face hang down
It is straight in workbench and to clamp.
（3）, saw exemplar：A knife is sawed from the mistake nail center of front end face, a knife is then respectively sawed toward rear end face successively（Such as Fig. 6
It is shown）.
（4）, the sample block that is separated into polylith after saw stamps connection and restores mark immediately.
（5）, exemplar put on the ground in order after sawing or by number restore stack.
To sum up, the method for cylinder cover sample dissection detecting step advantages of simple, by the mistake nail to cylinder cap, guide hole,
The position such as oil injector hole, entering and exhaust channel, oil duct, screw level, height, three directions of length and ridge area position 45° angle are carried out
Dissect, each position of cylinder cap is covered comprehensively, be able to detect that the wall thickness and casting, machining quality of all positions, specific aim
By force, cutting quantity is few, efficiency high.
Finally it should be noted that：Above example is only used to illustrate patent of the present invention and not limit patent of the present invention and retouched
The technical scheme stated；Therefore, although this specification has been carried out specifically with reference to each above-mentioned embodiment to patent of invention
It is bright, but, it will be understood by those within the art that, still patent of the present invention can be modified or equivalent；
And technical scheme that all do not depart from the spirit and scope of patent of the present invention and its improvement, it all should cover in patent of the present invention
In right.
Claims (5)
1. a kind of method for cylinder cover sample dissection, it is characterised in that specific dissection step includes：
First, cylinder cap width dissection is carried out:
The first knife is sawed from nail center is drained through near the one of air inlet road junction, then one is respectively sawed toward deflation area direction position successively
Knife, it is ensured that cylinder axis, valve center, fuel-injection pore center, valve guide hole center, nail center, screw center excessively are respectively sawed
One knife；
Secondly, cylinder cap short transverse dissection is carried out：
The first knife is up sawed from exemplar die joint；Then, sample block more than die joint is taken away, from from inlet and outlet road junction face both sides
Mistake nail position saw a knife respectively, leave middle inlet and outlet door sample block；Then enter by basic point of the oil injector hole center of every cylinder
The cross of row pendulum tilted direction is dissected；Finally, sample block more than die joint is remake short transverse dissection, along the die joint of exemplar with
On screw center saw a knife, after fuel hole center saw a knife；
Finally, cylinder cap length direction dissection is carried out：
A knife is sawed from the mistake nail center of front end face, a knife is then respectively sawed toward rear end face successively.
2. method for cylinder cover sample dissection according to claim 1, it is characterised in that：Carry out cylinder cap width, height, length
Before direction is dissected, three recovery graticules after dissecting are drawn respectively on cylinder cap exemplar.
3. method for cylinder cover sample dissection according to claim 2, it is characterised in that：Described three are restored graticule and are two
Bar " X " line.
4. method for cylinder cover sample dissection according to claim 1, it is characterised in that：Carry out cylinder cap width, height, length
After direction is dissected, the sample block that polylith will be separated into after saw stamps connection and restores mark, and puts on the ground in order or by volume
Number recovery is stacked.
5. method for cylinder cover sample dissection according to any one of claim 1 to 4, it is characterised in that：Carry out cylinder cap high
Degree direction when dissected, from exemplar die joint, up 5mm saws the first knife first.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750130.2A CN103759689B (en) | 2013-12-31 | 2013-12-31 | Method for cylinder cover sample dissection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750130.2A CN103759689B (en) | 2013-12-31 | 2013-12-31 | Method for cylinder cover sample dissection |
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| Publication Number | Publication Date |
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| CN103759689A CN103759689A (en) | 2014-04-30 |
| CN103759689B true CN103759689B (en) | 2017-05-24 |
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| CN201310750130.2A Active CN103759689B (en) | 2013-12-31 | 2013-12-31 | Method for cylinder cover sample dissection |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028948A (en) * | 2014-06-09 | 2014-09-10 | 广西玉柴机器股份有限公司 | Processing method for air valve guide pipe bottom hole |
| CN114799452A (en) * | 2022-03-14 | 2022-07-29 | 中国船舶重工集团公司第七二五研究所 | Titanium alloy large thick plate electron beam welding process optimization method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1255582A (en) * | 1998-12-01 | 2000-06-07 | 本田技研工业株式会社 | Structure of cylinder cap of multi-cylinder engine |
| CN1605731A (en) * | 2003-10-10 | 2005-04-13 | 日产自动车株式会社 | Cylinder head assembly for an internal combustion engine with a camshaft position sensor |
| CN203009063U (en) * | 2012-12-18 | 2013-06-19 | 上海迅捷汽车科技有限公司 | Novel six-cylinder gasoline engine cylinder cover |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01299305A (en) * | 1988-05-24 | 1989-12-04 | Nanbu Tekko:Kk | Cylinder with built-in switch mechanism |
| JPH09133063A (en) * | 1995-11-13 | 1997-05-20 | Mitsubishi Motors Corp | Unit injector device |
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2013
- 2013-12-31 CN CN201310750130.2A patent/CN103759689B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1255582A (en) * | 1998-12-01 | 2000-06-07 | 本田技研工业株式会社 | Structure of cylinder cap of multi-cylinder engine |
| CN1605731A (en) * | 2003-10-10 | 2005-04-13 | 日产自动车株式会社 | Cylinder head assembly for an internal combustion engine with a camshaft position sensor |
| CN203009063U (en) * | 2012-12-18 | 2013-06-19 | 上海迅捷汽车科技有限公司 | Novel six-cylinder gasoline engine cylinder cover |
Non-Patent Citations (1)
| Title |
|---|
| 柴油机缸体、缸盖气密检验装置;刘秋鹏;《机械工程师》;20080228(第2期);第36页 * |
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