CN207961278U - A kind of compound Surface Texture friction is secondary - Google Patents
A kind of compound Surface Texture friction is secondary Download PDFInfo
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- CN207961278U CN207961278U CN201820389723.9U CN201820389723U CN207961278U CN 207961278 U CN207961278 U CN 207961278U CN 201820389723 U CN201820389723 U CN 201820389723U CN 207961278 U CN207961278 U CN 207961278U
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- groove
- texture
- friction
- pit
- surface texture
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Abstract
The utility model discloses a kind of compound Surface Texture friction is secondary, belong to mechanical movement surface of friction pair technical field, its structure includes that upper surface friction is secondary and lower surface friction is secondary, lower surface friction is machined with compound Surface Texture on secondary surface, compound Surface Texture includes first groove, second groove, first pit and second dimple, first groove and second groove respectively include multiple, it is arranged in parallel between multiple first grooves, it is arranged in parallel between multiple second grooves, intersect setting composition netted groove texture between first groove and second groove, first pit includes multiple, it is set gradually along netted groove texture, multiple first pits are made to be connected to by netted groove texture, second dimple includes multiple, the network formed along netted groove texture is centrally disposed.The utility model improves Oil Boundary lubricating status using the Surface Texture processed in friction of motion secondary surface, reduces friction coefficient and wear extent.
Description
Technical field
The utility model is related to a kind of mechanical movement surface of friction pair technical field, especially a kind of compound Surface Texture
Friction is secondary.
Background technology
In the industrial production, fretting wear is generally considered to be a kind of harmful process, reduce friction, improve wearability and
Novel lubricating medium is the emphasis of antifriction antiwear area research always, meets green, sustainable development trend.Tradition machinery knot
The coupled motions friction pair of structure is in order to reduce friction, generally by the way of increasing lubricant medium.Although increasing lubricant medium side
Just efficiently, but lubricant medium cannot be used under certain special operation conditions, and influence the service life of mechanical structure, to environmental hazard
Greatly, it is clear that be unfavorable for current social development trend.
It is appropriate to process the Surface Texture with certain size and arrangement in friction of motion secondary surface, friction can be reduced
Abrasion improves tribological property.Therefore, energy loss can be reduced for specific operation design particular surface texture and increase rubs
Secondary service life is wiped, to energy saving, environmental protection and the ecological balance is promoted to have great importance.Friction of motion secondary surface
The merging of micro- texture reduces the real contact area between friction of motion pair, tribological property is made to be improved.
Currently used Surface Texture has four kinds of pit, groove, convex closure and scale.It is aobvious to the further investigation of Surface Texture
Show, combines performance of the compound texture formed under specific operation to be better than single texture by certain rule.Because compound
Texture is better than single texture under Oil Lubrication Condition to the capability of influence of lubricating oil film.But the texturing topology shape of surface of friction pair
The design and correlative study of looks are still weak link therein.Therefore, it is necessary to a kind of NEW TYPE OF COMPOSITE texture to intercouple to improve
Friction of motion pair tribological property.
Utility model content
The technical assignment of the utility model be for the above-mentioned prior art in deficiency a kind of compound Surface Texture is provided
Friction is secondary, which is that groove-shaped texture and pit type texture are combined；It rubs using in movement
The Surface Texture of secondary surface processing is wiped to improve Oil Boundary lubricating status, reduces friction coefficient and wear extent.
Technical solution adopted by the utility model to solve its technical problems is：It includes upper surface friction pair and lower surface
Friction is secondary, and secondary upper surface friction is that smooth no texture friction is secondary, and the lower surface friction is processed on secondary surface
It includes that first groove, second groove, the first pit and second are recessed to have compound Surface Texture, the compound Surface Texture
Hole, the first groove and second groove respectively include multiple, are arranged in parallel between multiple first grooves, multiple second grooves
Between be arranged in parallel, intersect between first groove and second groove setting composition netted groove texture, described first is recessed
Hole includes multiple, is set gradually according to certain intervals along netted groove texture, multiple first pits is made to be connected by netted groove texture
It is logical, the second dimple include it is multiple, it is centrally disposed with the network that a determining deviation is formed along netted groove texture.
First pit and second dimple are respectively circular pit, and diameter is respectively 30-300 μm, and depth is respectively
3-30μm。
The first groove is in 110 ° of angles, second groove and friction secondary motion positive direction with friction secondary motion positive direction
In 70 ° of angles.
The width of the first groove and second groove is respectively 20-200 μm, and depth is respectively 2-20 μm.
The interval between interval and adjacent second groove between adjacent first groove is respectively 50-500 μm.
First pit is 100-400 μm along the layout pitch of netted groove texture.
Distribution spacing of the second dimple along network center is 100 μm and its integral multiple, always in rhombus net
Inside lattice.
Compound Surface Texture area ratio/occupancy ratio determines by machining accuracy and working condition, value range 5%~30%.
A kind of compound Surface Texture friction of the utility model is secondary compared to the prior art, has following prominent beneficial
Effect：The utility model in friction of motion pair lower surface by processing the compound texture of groove-pit；It knits on the compound surface
Structure is conducive to improve lubricating oil in the flowing velocity of friction secondary motion positive direction, the bearing capacity of lubricating film is improved, to increase
The stability of lubricating film；For the single Surface Texture of tradition, compound Surface Texture combines the fuel feeding energy of groove texture
The feature that power is strong and the bearing capacity of pit texture is strong, plays an important role to the antifriction antiwear of friction of motion pair；It is compound
The machining accuracy of type Surface Texture reaches micron order, applied widely, the friction of motion pair that can be used under various operating modes, to improve
Rub secondary tribological property.
Description of the drawings
Attached drawing 1 is a kind of secondary vertical view of the lower surface friction during compound Surface Texture friction is secondary；
Attached drawing 2 is a kind of secondary shaft side figure of the lower surface friction during compound Surface Texture friction is secondary；
Reference sign：1, the first pit, 2, first groove, 3, second groove, 4, second dimple.
Specific implementation mode
It is following detailed to a kind of compound secondary work of Surface Texture friction of the utility model with reference to Figure of description 1 and attached drawing 2
Carefully illustrate.
A kind of compound Surface Texture friction of the utility model is secondary, and structure includes that upper surface friction is secondary and lower surface is rubbed
It is that smooth no texture friction is secondary that it is secondary, which to wipe secondary, described upper surface friction, and the lower surface friction is machined on secondary surface
Compound Surface Texture, the compound Surface Texture include that first groove 2, second groove 3, the first pit 1 and second are recessed
Hole 4, the first groove 2 and second groove 3 respectively include multiple, are arranged in parallel between multiple first grooves 2, multiple second
It is arranged in parallel between groove 3, intersect setting composition netted groove texture between first groove 2 and second groove 3, described
First pit 1 includes multiple, is set gradually according to certain intervals along netted groove texture, makes multiple first pits 1 by netted ditch
Slot texture is connected to, and the second dimple 4 includes multiple, with a determining deviation along the network center that netted groove texture is formed
Setting.
First pit 1 and second dimple 4 are respectively circular pit, and diameter is respectively 30-300 μm, depth difference
It is 3-30 μm.
The first groove 2 is in 110 ° of angles with friction secondary motion positive direction, and second groove 3 and friction secondary motion are square
To in 70 ° of angles.
The width of the first groove 2 and second groove 3 is respectively 20-200 μm, and depth is respectively 2-20 μm.
The interval between interval and adjacent second groove 3 between adjacent first groove 2 is respectively 50-500 μm.
First pit 1 is 100-400 μm along the layout pitch of netted groove texture.
Distribution spacing of the second dimple 4 along network center is 100 μm and its integral multiple, always in rhombus net
Inside lattice.
Compound Surface Texture area ratio/occupancy ratio determines by machining accuracy and working condition, value range 5%~30%.
Compound Surface Texture is suitable for carrier --- guide rail, leading screw, gear field of conjugate and phase under a variety of different operating modes
The kinematic pair mutually contacted.
In the utility model the preparation method of compound Surface Texture can be laser processing, Electrolyzed Processing, lithography process,
Grinding and electrical discharge machining etc..The parameter selection of the compound Surface Texture of the utility model can be according to actual processing
In the requirement for needing summation device carry out precision determination again.
Example
Below by taking YT15 steel alloys as an example, the method for laser processing, using Libra-HE type femto-second lasers, in conjunction with Fig. 1
The preparation of the utility model is illustrated.
The utility model embodiment provides the compound Surface Texture designs of YT15 and processing method, includes the following steps：
Step 1, the surfaces YT15 are needed before being laser machined by pre-treating technology, and pre-treatment uses carbon first
Change the advanced polishing grinding material of boron to be ground YT15, entire process of lapping carries out on ground glass；Reuse polishing machine
YT15 is polished so that its surface roughness value Ra is 0.04 in the value of Mitutoyo SJ-410 surfagauges
Left and right；Finally ultrasonic cleaning 15-20 minutes in acetone soln.
Step 2 optimizes friction of motion subtabulation plane texture, and design result is as shown in Figure 1；Wherein groove is knitted
Structure is divided into two kinds of first grooves 2 and second groove 3, and first groove 2 is 110 ° with friction secondary motion positive direction angle, second groove
3 with friction secondary motion positive direction angle be 70 °, the width of first groove 2 and second groove 3 is 20-200 μm, and spacing is
50-500 μm, depth is 2-20 μm；First pit 1 is distributed along groove texture, a diameter of 30-300 μm of circular pit texture,
Away from 100-400 μm, depth is 3-30 μm；Second dimple 4 is round, a diameter of 30-300 μm, 100 μm of spacing and its integral multiple,
Depth is 3-30 μm.
Step 3, using Libra-HE type femto-second lasers, laser processing parameter is optical maser wavelength 800nm, pulsewidth
100fs, pulse frequency 1kHz-10kHz, average pulse power 4W, scanning times 13 times.
Step 4, the aftertreatment technology of Laser Micro-Machining are that is, square along friction secondary motion with abrasive paper for metallograph on the surfaces YT15
To polishing 10min, remove the slag of surface solidification, and be cleaned by ultrasonic 15-20min in acetone soln.
Illustrative embodiments listed above are not to described in the utility model only for understanding that the utility model is used
The restriction of technical solution, the those of ordinary skill in relation to field described in claim on the basis of technical solution, can also make
Go out a variety of variations or deformation, all equivalent variations or deformation should all cover the utility model claims it
It is interior.Place is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.
Claims (7)
1. a kind of compound Surface Texture friction is secondary, including upper surface friction is secondary and lower surface friction is secondary, and the upper surface is rubbed
It is smooth no texture friction pair to wipe secondary, it is characterized in that：The lower surface friction is machined with compound surface on secondary surface
Texture, the compound Surface Texture include first groove, second groove, the first pit and second dimple, and described first
Groove and second groove respectively include multiple, are arranged in parallel between multiple first grooves, are arranged in parallel between multiple second grooves,
Intersect setting composition netted groove texture between first groove and second groove, and first pit includes multiple, edge
Netted groove texture is set gradually according to certain intervals, and multiple first pits is made to be connected to by netted groove texture, and described second
Pit include it is multiple, it is centrally disposed with the network that a determining deviation is formed along netted groove texture.
2. a kind of compound Surface Texture friction according to claim 1 is secondary, it is characterized in that：First pit and
Two pits are respectively circular pit, and diameter is respectively 30-300 μm, and depth is respectively 3-30 μm.
3. a kind of compound Surface Texture friction according to claim 1 is secondary, it is characterized in that：The first groove with rub
It is in 110 ° of angles to wipe secondary motion positive direction, and second groove is in 70 ° of angles with friction secondary motion positive direction.
4. a kind of compound Surface Texture friction according to claim 1 is secondary, it is characterized in that：The first groove and
The width of two grooves is respectively 20-200 μm, and depth is respectively 2-20 μm.
5. a kind of compound Surface Texture friction according to claim 1 is secondary, it is characterized in that：Between adjacent first groove
Interval and adjacent second groove between interval be respectively 50-500 μm.
6. a kind of compound Surface Texture friction according to claim 1 is secondary, it is characterized in that：First pit is along net
The layout pitch of shape groove texture is 100-400 μm.
7. a kind of compound Surface Texture friction according to claim 1 is secondary, it is characterized in that：The second dimple is along water chestnut
The distribution spacing of shape grid element center is 100 μm and its integral multiple, always inside network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820389723.9U CN207961278U (en) | 2018-03-21 | 2018-03-21 | A kind of compound Surface Texture friction is secondary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820389723.9U CN207961278U (en) | 2018-03-21 | 2018-03-21 | A kind of compound Surface Texture friction is secondary |
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| CN201820389723.9U Expired - Fee Related CN207961278U (en) | 2018-03-21 | 2018-03-21 | A kind of compound Surface Texture friction is secondary |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240398A (en) * | 2018-03-21 | 2018-07-03 | 济南大学 | A kind of compound Surface Texture friction is secondary |
| CN110242575A (en) * | 2019-06-17 | 2019-09-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Friction member, compressor, air conditioner and rubbing surface processing method |
| CN112610491A (en) * | 2020-12-29 | 2021-04-06 | 珠海格力电器股份有限公司 | Pump body assembly and fluid machine |
| CN112610483A (en) * | 2020-12-29 | 2021-04-06 | 珠海格力电器股份有限公司 | Pump body assembly and fluid machine |
-
2018
- 2018-03-21 CN CN201820389723.9U patent/CN207961278U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240398A (en) * | 2018-03-21 | 2018-07-03 | 济南大学 | A kind of compound Surface Texture friction is secondary |
| CN110242575A (en) * | 2019-06-17 | 2019-09-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Friction member, compressor, air conditioner and rubbing surface processing method |
| CN112610491A (en) * | 2020-12-29 | 2021-04-06 | 珠海格力电器股份有限公司 | Pump body assembly and fluid machine |
| CN112610483A (en) * | 2020-12-29 | 2021-04-06 | 珠海格力电器股份有限公司 | Pump body assembly and fluid machine |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20210321 |