CN109570932A - A kind of compound texture antifriction surface of evolvent type very low power - Google Patents
A kind of compound texture antifriction surface of evolvent type very low power Download PDFInfo
- Publication number
- CN109570932A CN109570932A CN201811522034.1A CN201811522034A CN109570932A CN 109570932 A CN109570932 A CN 109570932A CN 201811522034 A CN201811522034 A CN 201811522034A CN 109570932 A CN109570932 A CN 109570932A
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- texture
- pit
- low power
- micro
- evolvent type
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Lubricants (AREA)
Abstract
This patent discloses a kind of compound texture antifriction surfaces of evolvent type very low power, belong to mechanical movement surface of friction pair technical field, and compound texture antifriction surface includes oil pit, evolvent type very low power and the micro- texture of pit.Oil pit is an oil storage pit of rubbing surface center location, evolvent type very low power is to comply with macroscopical groove that the mechanical surface direction of motion extends outward from oil pit position beginning, and the micro- texture of pit is the micro- texture complied with the straight line that the normal angle of evolvent type very low power starting point is 20 ° of directions and successively arranged outward.The present invention combines the compound texture to be formed by macroscopical groove type texture and the micro- texture of pit, and the storage of transfer efficiency and abrasive grain that the texture for changing mechanical movement surface of friction pair increases lubricating oil is transported, and drops the fretting wear of low friction pair.
Description
Technical field
The present invention relates to a kind of compound texture antifriction surfaces of evolvent type very low power, belong to mechanical movement surface of friction pair skill
Art field art field.
Background technique
One of the main reason for fretting wear is the product failures such as mechanical and automobile, about 80% component of machine failure
It is due to caused by various forms of abrasions, since mechanical part failure bring economic loss reaches tens yuan.
Scientific worker and applicant both domestic and external are studies have shown that with the table of specific structure and size in mechanical movement
Plane texture can reduce fretting wear, improve tribological property.It, can by designing specific antifriction surface texture to peculair motion
To increase the secondary service life of friction, to economizing on resources, environment protect to be of great significance, but Surface Texture improvement pair of friction components
Tribological property does not obtain actual extensive use also.
Research has shown that compound texture the subtracting under special operation condition that different texture is combined into according to certain rule
Performance of rubbing is better than single texture.This compound texture antifriction surface combines microcosmic texture with marcotexture tool, and there are two types of texture is each
From the advantages of.
Therefore, the compound texture antifriction surface of this metal evolvent type very low power proposed by the present invention, knits perfect surface
The research of structure has important application value and significance of scientific research.
Summary of the invention
The task of the present invention is a kind of compound texture antifriction surface of evolvent type very low power is provided, by designing specific table
Plane texture drops low friction pair fretting wear and improves tribological property.
The present invention realizes by following technical solution: the compound texture antifriction surface texture of the evolvent type very low power of invention
Including oil pit, evolvent type very low power and the micro- texture of pit.The oil pit is an oil storage pit of rubbing surface center location,
The evolvent type very low power is the macroscopical ditch complying with the mechanical surface direction of motion from oil pit position beginning and extending outward
Slot, the micro- texture of the pit are to comply with the straight line for being 20 ° with the normal angle of evolvent type very low power starting point and successively outward
Micro- texture of arrangement.
The width and diameter range of the evolvent type very low power and the micro- texture of pit are respectively 3mm and 30-55 μm, depth
It is respectively 5mm and 8-35 μm.
The micro- texture of the pit is to comply with to be arranged successively with 20 ° of normal side's angle of rectilinear direction.
The lateral separation range of the micro- texture of the pit is 375-355 μm, and interval is 375-355 μ between pit
M, the density range of pit are 15%-30%.
60 ° are divided between angle between the evolvent type very low power, 6 in total.
The beginning boundary line of the micro- texture of the pit is the normal of evolvent type very low power starting point.
The distribution density range of the micro- texture of pit, diameter, interval can be calculated according to operating condition by following formula,, whereinFor the micro- texture density of pit,rFor the micro- texture radius of pit,dFor with 20 ° of straight lines of normal side's angle it
Between interval,lFor the interval between the micro- texture of pit.
The present invention is a kind of compound texture antifriction surface of evolvent type very low power, the invention has the advantages that can increase
The fast lubricating oil diffusion velocity secondary in friction, improves the bearing capacity of oil film；It can be a part of abrasive grain by involute groove
Friction pair is cleaned out through lubricating oil, improves the secondary working environment of friction, effectively reduces the fretting wear of the mechanical contact surface；
Compound texture antifriction surface has that pit texture bearing capacity is strong, microflute texture supply capability incessantly, and macroscopical involute declines
Slot can also optimize working environment, reduce fretting wear by the abrasive grain in flowing cleaning a part friction pair of oil liquid.
Detailed description of the invention
Attached drawing 1 is a kind of top view of compound texture antifriction surface of evolvent type very low power.
Attached drawing 2 is a kind of axonometric drawing of compound texture antifriction surface of evolvent type very low power.
Attached drawing 3 is a kind of dimple hole of compound texture antifriction surface of evolvent type very low power.
Description of symbols: 1 be oil pit, 2 be evolvent type very low power, 3 be dimple hole position.
Specific embodiment
With reference to the accompanying drawings of the specification 1 and a kind of 2 pairs of the attached drawing compound texture antifriction tables of evolvent type very low power of the invention
Face is once described in detail.
The compound texture antifriction surface of a kind of evolvent type very low power of the invention, the Surface Texture include oil pit, gradually
Burst at the seams groove and the micro- texture of pit of declining.The oil pit is an oil storage pit of rubbing surface center location, and described gradually opens
Wire type very low power is the macroscopical groove complying with the mechanical surface direction of motion from oil pit position beginning and extending outward, and described is recessed
Cheating micro- texture is to comply with the straight line for being 20 ° with the normal angle of evolvent type very low power starting point and what is successively arranged outward micro- knit
Structure.
The width and diameter range of the evolvent type very low power and the micro- texture of pit are respectively 3mm and 30-55 μm, depth
It is respectively 5mm and 8-35 μm.
The micro- texture of the pit is to comply with the straight line for being 20 ° with the normal angle of evolvent type very low power starting point and successively
The micro- texture arranged outward.
The lateral separation range of the micro- texture of the pit is 375-355 μm, and interval is 375-355 μ between pit
M, the density range of pit are 15%-30%.
60 ° are divided between angle between the evolvent type very low power, 6 in total.
The beginning boundary line of the micro- texture of the pit is the normal of evolvent type very low power starting point.
The distribution density range of the micro- texture of pit, diameter, interval can be calculated according to operating condition by following formula, QUOTE , wherein QUOTE For the micro- texture density of pit,rFor the micro- texture radius of pit,dFor with
Interval between 20 ° of straight lines of normal side's angle,lFor the interval between the micro- texture of pit.
The preparation method of the compound texture of evolvent type very low power of the invention can be laser processing, lithography process, grinding
Processing and electrical discharge machining etc..The parameter selection of the compound texture of evolvent type very low power of the present invention can be according to actual operating condition item
Part and equipment requirement are accurately determined.
Example
Attached drawing 1 is the top view of the compound texture antifriction surface structural schematic diagram of evolvent type very low power of present example 1, attached drawing
2 be the axonometric drawing of the compound texture antifriction surface structural schematic diagram of evolvent type very low power, and attached drawing 3 is that evolvent type very low power is compound
The structure chart in texture antifriction surface dimple hole.In attached drawing 1 be oil pit, 2 be evolvent type very low power, 3 be dimple hole position.Below
By taking 45 steel as an example, by the ultraviolet nanosecond laser of DSH-335-10 type, decline ditch in conjunction with the figures above to involute of the invention
The compound texture characteristic of slot and procedure of processing are illustrated.
Step 1: carrying out lonneal using 45 Steel materials is processed as machine components, first had to before being laser machined
It is surface-treated, preliminary treatment is carried out to workpiece surface with sand paper first；It then the use of aluminium oxide is polishing on polishing machine
Agent is processed by shot blasting 45 steel, measures specimen surface roughness 0.03 or so by NANO-FOCUS contourgraph；Most
It is cleaned by ultrasonic 10 minutes in alcoholic solution afterwards.
Step 2: being processed by the structure design in attached drawing to workpiece, structure design is as shown in the picture: evolvent type
The width and diameter of very low power and the micro- texture of pit are respectively 3mm and 30-55 μm, and depth is respectively 5mm and 8-35 μm；The micro- texture of pit
To comply with the straight line for being 20 ° with the normal angle of evolvent type very low power starting point and successively arranging outward；The cross of the micro- texture of pit
It is 375-355 μm to interval, interval is 375-355 μm between pit；Between angle between evolvent type very low power
60 ° are divided into, 6 in total；The beginning boundary line of the micro- texture of pit is the normal of evolvent type very low power starting point；Dimple cheats texture
Density value range be 15%-30%.
Step 3: using the ultraviolet nanosecond laser of DSH-335-10 type to surface working process, wavelength 355nm, power 7W,
Pulsewidth 20ns, multiple scanning number 20 times.
Step 4: laser processing after sample be cleaned by ultrasonic 10min in alcohol, be then processed by shot blasting, then with surpass
It is dried up after sound cleaning 10min.
The present embodiment improves the composition of Surface Texture, is combined by microcosmic texture and marcotexture, improves part and connects
The supply capability, bearing capacity and the ability for removing abrasive grain for touching surface, have structure interface and reduce abrasion, absorb vibration etc.
The later Surface Texture design that is combined into of practical value, microcosmic texture and marcotexture provides reference.
Claims (10)
1. a kind of compound texture antifriction surface of evolvent type very low power, the Surface Texture includes that oil pit, involute decline ditch
Slot and the micro- texture of pit.
2. oil pit described in is an oil storage pit of rubbing surface center location, and the evolvent type very low power is from oil pit position
Macroscopical groove that beginning is complied with the mechanical surface direction of motion and extended outward is set, the micro- texture of the pit is to comply with and gradually open
Straight line that the normal angle of wire type very low power starting point is 20 ° and micro- texture for successively arranging outward.
3. the compound texture antifriction surface of evolvent type very low power according to claim 1, it is characterized in that: the oil pit is
Circular pit, diameter 50mm, depth 50mm.
4. the compound texture antifriction surface of evolvent type very low power according to claim 1, it is characterized in that: described gradually opens
Wire type very low power is arranged in 60 ° of angle interval around oil pit, and moves contrary.
5. the compound texture antifriction surface of evolvent type very low power according to claim 1, it is characterized in that: the evolvent type
The width of very low power is 3mm, depth 5mm.
6. the compound texture antifriction surface of evolvent type very low power according to claim 1, is knitted it is characterized in that: the pit is micro-
The boundary line of structure is the normal of evolvent type very low power starting point.
7. the micro- texture of pit is to comply with to be arranged successively with 20 ° of normal side's angle of rectilinear direction, the interval model between every straight line
Enclosing is 275-355 μm, and interval is 275-355 μm between pit.
8. the compound texture antifriction surface of evolvent type very low power according to claim 1, is knitted it is characterized in that: the pit is micro-
The diameter range of structure is 30-55 μm, and depth bounds are 8-35 μm.
9. the compound texture antifriction surface of evolvent type very low power according to claim 1, is knitted it is characterized in that: the pit is micro-
The distribution density range of structure is 15%-30%.
10. the compound texture antifriction surface of evolvent type very low power according to claim 1, it is characterized in that: the pit is micro-
The distribution density range of texture, diameter, interval can be calculated according to operating condition by following formula,, whereinIt is micro- for pit
Texture density,rFor the micro- texture radius of pit,dFor the interval between 20 ° of straight lines of normal side's angle,lBetween the micro- texture of pit
Interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522034.1A CN109570932B (en) | 2018-12-13 | 2018-12-13 | Involute type micro-groove composite texture antifriction surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522034.1A CN109570932B (en) | 2018-12-13 | 2018-12-13 | Involute type micro-groove composite texture antifriction surface |
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| Publication Number | Publication Date |
|---|---|
| CN109570932A true CN109570932A (en) | 2019-04-05 |
| CN109570932B CN109570932B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811522034.1A Active CN109570932B (en) | 2018-12-13 | 2018-12-13 | Involute type micro-groove composite texture antifriction surface |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590339A (en) * | 2020-05-29 | 2020-08-28 | 山东大学 | Micro-texture groove and lubricating oil groove composite guide rail and method |
| CN112059740A (en) * | 2020-09-29 | 2020-12-11 | 昆山鼎国精密模具有限公司 | Radiation wire drawing process for notebook aluminum shell |
| CN113931994A (en) * | 2021-11-04 | 2022-01-14 | 宁波大学 | Harmonic reducer flexible gear, micro-texture machining device and method |
| CN114320804A (en) * | 2021-12-23 | 2022-04-12 | 燕山大学 | Seawater axial plunger pump flow distribution pair with bionic composite texture on surface |
| CN114412741A (en) * | 2021-12-23 | 2022-04-29 | 燕山大学 | Seawater axial plunger pump flow distribution pair with bionic hydrophobic surface |
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| CN102954132A (en) * | 2012-12-01 | 2013-03-06 | 西南交通大学 | Cast iron brake disc with textured surface capable of reducing friction noises |
| CN205852567U (en) * | 2016-07-26 | 2017-01-04 | 贵州黄平富城实业有限公司 | Chip removal emery wheel |
| CN106670514A (en) * | 2016-12-09 | 2017-05-17 | 南京航空航天大学 | Mixed type surface texturing tool |
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| JP2683502B2 (en) * | 1993-05-13 | 1997-12-03 | マシーネンファブリーク ゲーリング ゲゼルシャフトミット ベシュレンクテル ハフツング ウント コンパニー | Method for precision machining the surface of a workpiece |
| CN102954132A (en) * | 2012-12-01 | 2013-03-06 | 西南交通大学 | Cast iron brake disc with textured surface capable of reducing friction noises |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590339A (en) * | 2020-05-29 | 2020-08-28 | 山东大学 | Micro-texture groove and lubricating oil groove composite guide rail and method |
| CN112059740A (en) * | 2020-09-29 | 2020-12-11 | 昆山鼎国精密模具有限公司 | Radiation wire drawing process for notebook aluminum shell |
| CN112059740B (en) * | 2020-09-29 | 2022-06-17 | 昆山鼎国精密模具有限公司 | Radiation wire drawing process for notebook aluminum shell |
| CN113931994A (en) * | 2021-11-04 | 2022-01-14 | 宁波大学 | Harmonic reducer flexible gear, micro-texture machining device and method |
| CN114320804A (en) * | 2021-12-23 | 2022-04-12 | 燕山大学 | Seawater axial plunger pump flow distribution pair with bionic composite texture on surface |
| CN114412741A (en) * | 2021-12-23 | 2022-04-29 | 燕山大学 | Seawater axial plunger pump flow distribution pair with bionic hydrophobic surface |
| CN114320804B (en) * | 2021-12-23 | 2022-11-18 | 燕山大学 | Seawater axial plunger pump flow distribution pair with bionic composite texture on surface |
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| CN109570932B (en) | 2021-03-19 |
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