CN206785499U - U-shaped laser surface microscopic carvings checkered cylinder jacket - Google Patents
U-shaped laser surface microscopic carvings checkered cylinder jacket Download PDFInfo
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- CN206785499U CN206785499U CN201720592226.4U CN201720592226U CN206785499U CN 206785499 U CN206785499 U CN 206785499U CN 201720592226 U CN201720592226 U CN 201720592226U CN 206785499 U CN206785499 U CN 206785499U
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Abstract
The utility model discloses a kind of U-shaped laser surface microscopic carvings checkered cylinder jacket, including cylinder jacket, according to friction, cylinder jacket described in the degree of wear is divided into A areas from top to bottom, B areas and C areas, wherein A areas rub, the degree of wear is maximum, C areas rub, the degree of wear is taken second place, B areas rub, the degree of wear is minimum, it is characterized in that, multilayer the first reticulate pattern circle is axially uniformly provided with along cylinder jacket on A areas inwall, every layer of first reticulate pattern circle includes the multiple first U-shaped reticulate pattern grooves being circumferentially uniformly arranged around cylinder jacket, multilayer the second reticulate pattern circle is axially uniformly provided with along cylinder jacket in B areas and C areas inwall, every layer of second reticulate pattern circle includes the multiple second U-shaped reticulate pattern grooves being circumferentially uniformly arranged around cylinder jacket；Solve the problems, such as the random inaccessiable all reticulate pattern uniformity of reticulate pattern institute of mechanical honing technique；And also solve narrow V-type laser honing technique the stability of inaccessiable cylinder jacket performance and used life the problem of.
Description
Technical field
The utility model belongs to cylinder jacket fine processing technique field, more particularly to a kind of U-shaped laser surface microscopic carvings net
Line cylinder jacket and preparation method thereof.
Background technology
Traditional flat-top cob-webbing cylinder sleeve carries out the making of reticulate pattern, the net that this mode is produced using mechanical honing technique
Line uniformity is poor, ineffective；Narrow V-type laser surface honing technique is used later, is tentatively solved mechanical honing and is difficult to control
Interior surface of cylinder liner reticulate pattern consistency problem, but this kind of mode does not have the friction, abrasion and lubrication mechanism side from cylinder jacket
Face Study of Laser surface honing technique is to cylinder jacket performance and the crucial effect in life-span, not during whole cylinder jacket use
Guide effect, supporting role, sealing function and its influence in life-span in the quantitative and stability of fuel oil to cylinder jacket are carried out
Research.
The content of the invention
The utility model purpose is to provide a kind of U-shaped laser surface microscopic carvings checkered cylinder jacket and preparation method thereof；
The utility model is adopted the technical scheme that to reach above-mentioned purpose：
A kind of U-shaped laser surface microscopic carvings checkered cylinder jacket, including cylinder jacket, according to cylinder jacket described in friction, the degree of wear
A areas, B areas and C areas are divided into from top to bottom, and the wherein friction of A areas, the degree of wear is maximum, and the friction of C areas, the degree of wear are taken second place, B
Area's friction, the degree of wear are minimum, are axially uniformly provided with multilayer the first reticulate pattern circle along cylinder jacket on A areas inwall, described every layer
First reticulate pattern circle includes the multiple first U-shaped reticulate pattern grooves being circumferentially uniformly arranged around cylinder jacket, along gas in B areas and C areas inwall
Cylinder sleeve is axially uniformly provided with multilayer the second reticulate pattern circle, and every layer of second reticulate pattern circle is more including being circumferentially uniformly arranged around cylinder jacket
Individual second U-shaped reticulate pattern groove；The axial spacing of the first reticulate pattern circle is more than the axial spacing of the second reticulate pattern circle, and described first is U-shaped
The circumferential spacing of reticulate pattern groove is more than the circumferential spacing of the second U-shaped reticulate pattern groove, the first U-shaped reticulate pattern groove and the second U-shaped reticulate pattern groove
Length be 2 ~ 5 millimeters, width is 30 ~ 50 microns at the first U-shaped reticulate pattern groove and the second U-shaped reticulate pattern channel opening, and first is U-shaped
Reticulate pattern groove and the second U-shaped reticulate pattern groove bottom width are 10 ~ 20 microns, the depth of the first U-shaped reticulate pattern groove and the second U-shaped reticulate pattern groove
It is 6 ~ 12 microns.
Preferably, the axial spacing of the first reticulate pattern circle is 2 millimeters, and the axial spacing of the second reticulate pattern circle is 4 millis
Rice.
Preferably, the roughness of the cylinder liner internal wall is Rz=1 ~ 2 micron, Ra≤0.2 micron.
Operation principle and beneficial effect of the present utility model：
In engine working process, cylinder jacket plays a part of sealing, is oriented to, supports, brakes and radiates.Table in cylinder jacket
The energy losses such as friction, abrasion, impact, gas leakage, gas blowby, lubrication, heat, while combustion chamber internal memory between face and piston ring be present
In environmental changes such as high temperature, high pressure, corrosion and particles.This require interior surface of cylinder liner must possess high rigidity, high accuracy,
High support, high life, low lubrication, low oil consumption, low emission, especially the four of low cost high four low characteristics, the top dead centre in cylinder jacket
And bottom dead center position, frictional force is big, and the degree of wear is serious, directly affects the performance and used life of cylinder jacket.So cylinder jacket
Hardness, precision, reticulate pattern shape and the distribution of inner surface, determine the performance and used life of cylinder jacket, determine engine
Performance and used life, and the shape of reticulate pattern and distribution main function are to realize cylinder jacket by improving lubrication and reducing friction
Performance and life-span.
The application analyzes from the friction, abrasion and lubrication mechanism of cylinder jacket, employs U-shaped laser surface miniature carving and writes reticulate pattern skill
Art, inscribed in interior surface of cylinder liner into friction and greasy property and require the U-shaped reticulate pattern groove of Optimized Matching or narrow U-shaped reticulate pattern groove,
Further, according to the friction of A areas, B areas and C areas, the difference of the degree of wear, different axial spacing and circumferential spacing are set, simultaneously
The length of first U-shaped reticulate pattern groove and the second U-shaped reticulate pattern groove, opening width, bottom width and depth can also be made to appropriate adjust
It is whole, further require that optimization matches with friction and greasy property.Not only solving the random reticulate pattern of mechanical honing technique can not
The problem of all reticulate pattern uniformity reached；And also solve the inaccessiable cylinder jacket of narrow V-type laser honing technique institute
Can be with the stability of service life the problem of；Lubrication and the quantitative controllability of anti-attrition are also achieved simultaneously, have reached mechanical honing
The wearability for the cylinder jacket that technology and narrow V-type laser honing technique do not possess.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of U-shaped laser surface microscopic carvings checkered cylinder jacket, including cylinder jacket 2, according to friction, the degree of wear
The cylinder jacket 2 is divided into A areas, B areas and C areas from top to bottom, and the wherein friction of A areas, the degree of wear is maximum, the friction of C areas, abrasion
Degree is taken second place, and the friction of B areas, the degree of wear are minimum, and the reticulate pattern of multilayer first is uniformly provided with along 2 axial E of cylinder jacket on A areas inwall
Circle, every layer of first reticulate pattern circle includes the multiple first U-shaped reticulate pattern grooves 3 being uniformly arranged around 2 circumferential F of cylinder jacket, in B areas and C
Multilayer the second reticulate pattern circle is uniformly provided with along 2 axial E of cylinder jacket on area's inwall, every layer of second reticulate pattern circle is included around cylinder jacket
The multiple second U-shaped reticulate pattern grooves 1 that 2 circumferential F are uniformly arranged；The axial E spacing of the first reticulate pattern circle is more than the second reticulate pattern circle
Axial E spacing, the circumferential F spacing of the first U-shaped reticulate pattern groove 3 are more than the circumferential F spacing of the second U-shaped reticulate pattern groove 1, and described first
The length of U-shaped 3 and second U-shaped reticulate pattern groove 1 of reticulate pattern groove is 2 ~ 5 millimeters, and the first U-shaped 3 and second U-shaped reticulate pattern groove 1 of reticulate pattern groove is opened
Width is 30 ~ 50 microns at mouthful, and the first U-shaped U-shaped bottom width of reticulate pattern groove 1 of reticulate pattern groove 3 and second is 10 ~ 20 microns, the
The depth of one U-shaped 3 and second U-shaped reticulate pattern groove 1 of reticulate pattern groove is 6 ~ 12 microns.
Specifically, the axial E spacing of the first reticulate pattern circle is 2 millimeters, and the axial E spacing of the second reticulate pattern circle is 4
Millimeter, the roughness of the inwall of cylinder jacket 2 are Rz=1 ~ 2 micron, Ra≤0.2 micron.
A kind of preparation method of U-shaped laser surface microscopic carvings checkered cylinder jacket as described above, comprises the following steps：
（1）Take cylinder jacket 2 and detect the roughness of inwall, the qualified cylinder jacket 2 of roughness then is placed in into pure argon protects
On the domestic fixture of retaining ring, wherein, the air pressure of pure argon is 0.1MPa；
（2）The laser head of control optical fiber laser inscribes out the first U-shaped reticulate pattern groove 3 in the A areas of cylinder jacket 2, in cylinder jacket 2
B areas and C areas inscribe out the second U-shaped reticulate pattern groove 1；
（3）Using honing machine to the first U-shaped reticulate pattern groove 3 on the inwall of cylinder jacket 2, the metal around the second U-shaped reticulate pattern groove 1
Accumulation carries out microhoning；
（4）Ultrasonic wave cleaning is carried out to cylinder jacket 2；
（5）The roughness around the first U-shaped reticulate pattern groove 3, the second U-shaped reticulate pattern groove 1 is detected using roughmeter.
Further, exist（3）Described in honing machine use cork emery stick, abrasive particle 1200,1 ~ 2MPa of pressure,（4）In it is right
Around the first U-shaped reticulate pattern groove 3, the second U-shaped reticulate pattern groove 1 on cylinder liner internal wall and bottom particles carry out ultrasonic wave cleaning.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement, but these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (3)
1. a kind of U-shaped laser surface microscopic carvings checkered cylinder jacket, including cylinder jacket, according to cylinder jacket described in friction, the degree of wear certainly
A areas, B areas and C areas are divided under above, the wherein friction of A areas, the degree of wear is maximum, and the friction of C areas, the degree of wear are taken second place, B areas
Friction, the degree of wear are minimum, it is characterised in that multilayer the first reticulate pattern circle is axially uniformly provided with along cylinder jacket on A areas inwall,
Every layer of first reticulate pattern circle includes the multiple first U-shaped reticulate pattern grooves being circumferentially uniformly arranged around cylinder jacket, in B areas and C areas inwall
On be axially uniformly provided with multilayer the second reticulate pattern circle along cylinder jacket, every layer of second reticulate pattern circle includes circumferentially uniform around cylinder jacket
The the multiple second U-shaped reticulate pattern grooves set；The axial spacing of the first reticulate pattern circle is more than the axial spacing of the second reticulate pattern circle, described
The circumferential spacing of first U-shaped reticulate pattern groove is more than the circumferential spacing of the second U-shaped reticulate pattern groove, the first U-shaped reticulate pattern groove and second U-shaped
The length of reticulate pattern groove is 2 ~ 5 millimeters, and width is 30 ~ 50 microns at the first U-shaped reticulate pattern groove and the second U-shaped reticulate pattern channel opening,
First U-shaped reticulate pattern groove and the second U-shaped reticulate pattern groove bottom width are 10 ~ 20 microns, the first U-shaped reticulate pattern groove and the second U-shaped reticulate pattern
The depth of groove is 6 ~ 12 microns.
2. U-shaped laser surface microscopic carvings checkered cylinder jacket according to claim 1, it is characterised in that the first reticulate pattern circle
Axial spacing be 2 millimeters, the axial spacing of the second reticulate pattern circle is 4 millimeters.
3. U-shaped laser surface microscopic carvings checkered cylinder jacket according to claim 1 or 2, it is characterised in that in the cylinder jacket
The roughness of wall is Rz=1 ~ 2 micron, Ra≤0.2 micron.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120206A (en) * | 2017-05-25 | 2017-09-01 | 河南省中原华工激光工程有限公司 | U-shaped laser surface microscopic carvings checkered cylinder jacket and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120206A (en) * | 2017-05-25 | 2017-09-01 | 河南省中原华工激光工程有限公司 | U-shaped laser surface microscopic carvings checkered cylinder jacket and preparation method thereof |
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