CN108071676A - A kind of bumps are spaced apart micro- textural composite guide rail and preparation method thereof - Google Patents
A kind of bumps are spaced apart micro- textural composite guide rail and preparation method thereof Download PDFInfo
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- CN108071676A CN108071676A CN201711401316.1A CN201711401316A CN108071676A CN 108071676 A CN108071676 A CN 108071676A CN 201711401316 A CN201711401316 A CN 201711401316A CN 108071676 A CN108071676 A CN 108071676A
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- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title abstract description 5
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- 238000012545 processing Methods 0.000 claims description 27
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- 238000003672 processing method Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims description 3
- 239000007767 bonding agent Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000003763 carbonization Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 229910001651 emery Inorganic materials 0.000 claims description 2
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 claims 1
- 238000001053 micromoulding Methods 0.000 claims 1
- 239000003129 oil well Substances 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 9
- 239000010687 lubricating oil Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 3
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/02—Sliding-contact bearings
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/14—Special methods of manufacture; Running-in
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/66—Shaping by removing material, e.g. machining by milling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/68—Shaping by removing material, e.g. machining by electrical discharge or electrochemical machining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/70—Shaping by removing material, e.g. machining by grinding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/02—Mechanical treatment, e.g. finishing
- F16C2223/06—Mechanical treatment, e.g. finishing polishing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/39—General buildup of machine tools, e.g. spindles, slides, actuators
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Laser Beam Processing (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a kind of bumps to be spaced apart micro- textural composite guide rail and preparation method thereof, is related to machine tool guideway technical field of surface.The present invention includes guide rail matrix, nick hole texture array and microprotrusion texture battle array, the nick hole texture array is arranged on the arrangement of microprotrusion texture battle array adjacent spaces in the guide rail surface for implementing guide rail matrix, and in nick hole, pattern array is machined with the very low power of the single nick hole pattern of connection along rail length direction.Further lift rail working surface greasy property of the invention, the operation stability of lathe is improved by reducing critical creep speed, reduces abrasion, inhibits lathe/slide creeping phenomenon.
Description
Technical field
The present invention relates to a kind of machine tool guideway process for treating surface, through laser micro process, in machine tool guideway surface shape
It is distributed into nick hole texture with microprotrusion texture array spacings, and has the very low power in connection nick hole along machine tool motion directional spreding
Macroscopical spreader groove in trigonometric function shape is distributed in pattern, guide rail surface whole process, and in particular to a kind of micro- texture guide rail in surface
Application of the technology in Machine Tool Industry.
Technical background
With the development of science and technology complex precise part demand amount dramatically increases, ground of the precision machine tool in machinery manufacturing industry
Position is very important.Machine tool guideway is complete machine key components, and performance directly influences machining accuracy and lathe service life.Lathe
Guide rail common deficiency is big including guide rail contact area, and film distribution is uneven, and adhesive wear increases guide pass and is in boundary lubrication shape
State, abrasion aggravation dynamic pressure or hydrostatic slideway surface, oil film is again blocked up, and guide rail floats excessively high, surface to be machined roughness increase, essence
Degree reduces in lubricating oil and is mixed into dust or chip, causes the scratch of guide pass and wears since lubricating oil is unevenly distributed, friction
Power, which is undergone mutation, occurs creeping phenomenon.Guide rail surface roughness exception, existing wear particle, generation adhesion, guide rail moment open
Dynamic grade can all cause to creep, but after all, the suddenly change of frictional force is the principal element of creeping phenomenon.
Chinese patent CN104551701A discloses a kind of compound micro- texture guide rail, divides in order in the processing of guide rail working surface
The compound pattern that the nick hole of cloth is formed with dimpling shoulder.Although the presence of dimpling shoulder reduces confficient of static friction and kinematics and static friction
Coefficient difference, inhibits creeping phenomenon to a certain extent, but dimpling shoulder so that between lathe and guide rail that there are gaps to cause nick intracavitary
Oil storage be difficult to be carried over forming complete lubricating film, do not possess the meaning of actual solution technical problem, make working surface instead
It is easy to wear.In addition not only the yield rate of the single texture with recess but also with raised pattern is low during actual processing, processing
Difficulty is big, of high cost.
To solve single textural composite pattern processing difficulties, nick hole oil storage, oil supply function is difficult to play and lubricating oil
The problem of flow difficulties, the present invention process nick chamber and microprotrusion texture single shape using laser in quiet guide rail working surface
The surface topography being spaced apart, and in the very low power pattern that connection nick hole texture is machined with along machine tool motion direction, promotion profit
What lubricating oil flowing was more uniformly distributed is distributed in entire guide rail working surface, oil storage, the oil supply function in nick hole is effectively played, so as to change
Kind greasy property, inhibits creeping phenomenon.
The content of the invention
Present invention is generally directed to guide rail working surface is easy to wear and generate creeping phenomenon, and knit with the single of compound pattern
The problem of structure is difficult to be processed, and part pattern texture function is restricted, and lubricating oil is difficult to flow to oil-poor region, it is proposed that a kind of
Bumps are spaced apart micro- textural composite guide rail and preparation method thereof.
The technical solution adopted by the present invention is the concave-convex interval in guide rail carrying and relative motion surface processing distribution rule
It is distributed micro- textural composite, the bumps are spaced apart micro- textural composite as the equidistant phase each other of micro- pit array and microprotrusion array
It is alternatively arranged, and the very low power of the single nick hole pattern of connection along rail length direction is machined in nick hole pattern array.
Macroscopical spreader groove is distributed with along rail length direction whole process in guide rail surface simultaneously, the shape of the spreader groove is bent for trigonometric function
Line.
In said program, the geometric parameter of nick hole pattern is：Pit diameter d=20-500um, pit depth h=1-
50um, pattern spacing k1=100-2000um, pattern area ratio/occupancy ratio are S1=1%-40%, and area ratio/occupancy ratio is the area in nick hole
The sum of the ratio between occupied area with nick hole texture array.The geometric parameter of the microprotrusion texture features is：Microprotrusion diameter D
=20-500um, microprotrusion height H=1-10um, pattern spacing k2=100-2000um, pattern area ratio/occupancy ratio are S2=8%-50%,
Area ratio/occupancy ratio is the area of microprotrusion the ratio between with the occupied area of microprotrusion texture array.The very low power is straight line type groove
Or camber line type groove, the geometric parameter of very low power pattern are：Groove width b=20-300um, gash depth h2<Pit depth h.Institute
State micro- pit array and the microprotrusion array equidistantly spacing spaced apart for arranging the texture array for referring to two kinds of morphogenesis
From equal, and adjacent pattern texture array length L of the same race is consistently less than the overall length that lathe moves guide rail.The spreader groove width for t=
1-2mm, depth are q=1mm-3mm.
Realize that the present invention specifically includes following steps：
Step 1, design guide rail surface bumps are spaced apart micro- textural composite, and nick hole and microprotrusion texture features are spaced apart and deposit
In guide rail whole stroke working surface.
Step 2, guide rail surface carries out pre-treatment grinding process, and guide rail surface roughness and geometric tolerances is made to reach laser
The requirement of micro forming：Arithmetic average deviation Ra≤0.8um of profile, maximum height Rz≤3.2um of profile, straightness and plane
Degree≤0.01um.
Step 3, guide rail cleans, with the wiping of dry cotton until bright dustless, removal surface dirt and greasy dirt.
Step 4, it is hybrid in guide rail surface processing nick hole and very low power, use using diode LD pumped YAG lasers
Step motor control controls workbench displacement of the lines and the angular displacement for being loaded with guide rail, and the processing method for keeping laser beam motionless prepares phase
Between be distributed array nick hole texture and with along machine tool motion direction tilt, connect nick cheat very low power, specific laser
Machined parameters optical maser wavelength 532nm, defocusing amount 0mm, pulse width 0.1-1.5ms, pulse frequency 1-10KHz, laser energy are close
It spends for 10-500 J/cm2, electric current 10-25A, air atmosphere.
Step 5, it is processed by shot blasting in guide rail surface, is generated when removing Laser Processing nick hole and very low power via polishing
A small amount of slag, the parameter of glossing is：Bonding agent is resin, and material green carbonization, granularity is the soft sand of 1200-1500#
Item, pressure 0.8-1.0MPa, time 10-25s.
Step 6, microprotrusion is processed in guide rail surface using diode LD pumped YAG lasers, using composite stepper motor
Control control is loaded with workbench displacement of the lines and the angular displacement of guide rail, and prepared by the processing method for keeping laser beam motionless cheats phase with nick
Between the array microprotrusion that is distributed, specific laser processing parameter optical maser wavelength 1064nm, defocusing amount 0mm, pulse width 0.1-
1.0ms, pulse frequency 300-500KHz, laser energy density are 200-500 J/cm2, electric current 15-20A, pulse processing 1
~ 3 times, air atmosphere.
Step 7, using CNC milling machine in macroscopical spreader groove of guide rail surface processing trigonometric function shape, specific machined parameters
For：Speed of mainshaft 200-600mm/s, amount of feeding 10-100mm, cutting depth 1-3mm.
Advantage of the invention is that：（1）The nick hole and microprotrusion pattern that processing distributes alternately on machine tool guideway surface, it is main
Solve the single texture processing difficulties of compound pattern, nick hole oil storage, oil supply function are difficult to what is played in concave-convex compound pattern
Problem.（2）Mainly solving lubricating oil in the very low power that adjacent nick hole is connected along the processing of machine tool motion direction can not flow, no
Can in time to oil-poor region make-up oil the problem of, further lift rail working surface greasy property is critical by reducing
Creep speed improves the operation stability of lathe, reduces abrasion, inhibits lathe/slide creeping phenomenon.It creeps through experiment test
Critical speed reduces more than 50% compared with the smooth guide of undressed micromorphology.（3）Arc is machined in guide rail surface whole process
Macroscopical spreader groove can play large area lubricant effect.（4）Noncontact procession will not generate mechanical presses or machine to material
Tool stress.（5）Processing heat is small, and guide rail is without thermal deformation.（5）Laser machine it is efficient, it is of low cost.
Description of the drawings：
Fig. 1 is single microprotrusion pattern sectional view.
Fig. 2 cheats pattern sectional view for single nick.
Fig. 3 is wall scroll very low power pattern sectional view.
Fig. 4 is a kind of rail plate schematic surface that micro- textural composite pattern is spaced apart with bumps.
Fig. 5 is a kind of rectangular guideway figure that micro- textural composite pattern is spaced apart with bumps.
Fig. 6 is a kind of triangular guide figure that micro- textural composite pattern is spaced apart with bumps.
Fig. 7 is a kind of dovetail slideway figure that micro- textural composite pattern is spaced apart with bumps.
Fig. 8 is a kind of top view on the rail plate surface that micro- textural composite pattern is spaced apart with bumps.
In figure：1, guide rail surface；2, nick hole；3, microprotrusion；4, very low power；5, spreader groove；6, the dynamic of rectangular guideway is led
Rail；7, the quiet guide rail of rectangular guideway；8, the dynamic guide rail of triangular guide；9, the quiet guide rail of triangular guide；10, dovetail slideway
Dynamic guide rail；11, the quiet guide rail of dovetail slideway.
Specific embodiment
The specific implementation of the present invention is illustrated by taking CA6140 center lathe guide rails as an example below.
Laser process equipment selects diode-pumped laser.CA6140 center lathe guide rails, guide material are No. 45 steel,
Rail types be rectangular slide guide rail, guide rail overall length 1350mm.
Embodiment 1.The embodiment of the present invention provides CA6140 center lathe bumps and is spaced apart micro- textural composite guide rail preparation
Method, step are：
Step 1, CA6140 center lathes, rail types are rectangular slide guide rail, and the nick hole specific geometric parameter of 2 patterns is：It is micro-
Pit diameter d=65um, micro- pit depth h1=5um, pattern spacing k1=225um, pattern area ratio/occupancy ratio S1=5%.Microprotrusion 3
The specific geometric parameter of pattern：Microprotrusion diameter D=107mm, microprotrusion height H=2um, pattern spacing k2=200um, pattern area
Occupation rate S2=22.5%.The specific geometric parameter of 4 pattern of very low power：Trench length a=100mm, groove width b=45um, ditch groove depth
Spend h2=5um, trench spacing c=k1=225um.The specific geometric parameter of 5 pattern of spreader groove：Length w=2000mm, width t=1mm are deep
Spend q=2mm.
Step 2, guide rail surface 1 needed before Laser Micro-Machining by pre-treating technology, and pre-treating technology is using mill
Processing is cut, 1 precision of guide rail surface is made to reach the requirement of Laser Micro-Machining, surface roughness：The arithmetic average deviation of parameter profile
Ra≤0.8um, maximum height Rz≤3.2um of profile, geometric tolerances：Straightness and flatness are required to≤0.01um.
Step 3, guide rail cleans, with the wiping of dry cotton until bright dustless, removal surface dirt and greasy dirt.
Step 4,2 texture, specific laser are cheated in guide rail surface Laser Processing nick using diode LD pumped YAG lasers
Machined parameters optical maser wavelength be 532nm, defocusing amount 0mm, single pulse energy 1.6mJ, power 2.56w, pulse frequency
1.6KHz, laser energy density 113.23J/cm2, electric current 17A, pulse is the same as point interval repetition processing 2 times, air atmosphere
It encloses.
Step 5, using diode LD pumped YAG lasers guide rail surface laser machine with along machine tool motion direction tilt,
Connect nick hole 2 linear pattern very low power 4, specific laser processing parameter optical maser wavelength be 532nm, defocusing amount 0mm, simple venation
Energy is rushed as 0.7mJ, power 1.12w, pulse frequency 1.6KHz, laser energy density 49.54J/cm2, electric current is
14.4A, pulse repeat processing 2 times, air atmosphere with point interval.
Step 6, it is processed by shot blasting in guide rail surface, is produced when removing Laser Processing nick hole 2 and very low power 4 via polishing
Raw a small amount of slag, the parameter of glossing are：Bonding agent is resin, and material green is carbonized, the soft emery stick of granularity 1500#, pressure
Power 0.8-1.0MPa, time 10-25s.
Step 7, using diode LD pumped YAG lasers 2 spaced apart areas Laser Processing dimpling is cheated in guide rail surface and nick
Rise 3 texture, specific laser processing parameter optical maser wavelength be 1064nm, defocusing amount 0mm, pulse width 0.6ms, pulse frequency
500KHz, laser energy density 200J/cm2, electric current 16A, pulse processing 1 time, air atmosphere.
Step 8, using CNC milling machine in macroscopical spreader groove 5 of guide rail surface processing trigonometric function shape, specific processing ginseng
Number is：Speed of mainshaft 500mm/s, amount of feeding 100mm, cutting depth 1mm.
Embodiment 2, as shown in fig. 6, the bumps of the present invention are spaced apart micro- textural composite pattern applied to triangular guide
Quiet guide rail 9 on, corresponding is the dynamic guide rail 8 of triangular guide.
Embodiment 3, as shown in fig. 7, the bumps of the present invention are spaced apart micro- textural composite applied to the quiet of dovetail slideway
On guide rail 11, corresponding is the dynamic guide rail 10 of dovetail slideway.
To it is processed go out guide rail test, nick hole pattern array area ratio/occupancy ratio S1=6-16%, microprotrusion pattern array
Area ratio/occupancy ratio S2=16-28% inhibits creep best results, the critical speed creeped and the smooth guide phase of undressed micromorphology
Than reducing 51.9%-54.2%.
Examples detailed above simply to illustrate that the present invention rather than limit the invention, modification made for the present invention
And change, it all should be in protection scope of the present invention.
Claims (14)
1. a kind of bumps are spaced apart micro- textural composite guide rail, which is characterized in that including guide rail matrix, nick hole texture array and
Microprotrusion texture battle array, the nick hole texture array is arranged on the arrangement of microprotrusion texture battle array adjacent spaces implements leading for guide rail matrix
On track surface, in nick hole, pattern array is machined with the very low power of the single nick hole pattern of connection along rail length direction.
2. a kind of bumps according to claim 1 are spaced apart micro- textural composite guide rail, which is characterized in that the very low power
The geometric parameter of pattern is：Groove width b=20-300um, gash depth h2<Micro- pit depth.
3. a kind of bumps according to claim 1 are spaced apart micro- textural composite guide rail, which is characterized in that adjacent is described
Nick cheats the length for being smaller than dynamic rail of texture array or the spaced pattern texture array of the same race of microprotrusion texture battle array, phase
The spacing of the adjacent pattern texture array of the same race is equal.
4. a kind of bumps according to claim 1,2 or 3 are spaced apart micro- textural composite guide rail, which is characterized in that described
Nick hole pattern geometric parameter be：Pit diameter d=20-500um, pit depth h=1-50um, pattern spacing k1=100-
2000um, the pattern area ratio/occupancy ratio of nick hole pattern array is S1=1%-40%.
5. a kind of bumps according to claim 7 are spaced apart micro- textural composite guide rail, which is characterized in that the nick hole
The pattern area ratio/occupancy ratio of pattern array is S1=6-16%.
6. a kind of bumps according to claim 1,2 or 3 are spaced apart micro- textural composite guide rail, which is characterized in that described
The geometric parameter of microprotrusion texture features is：Microprotrusion diameter D=20-500um, microprotrusion height H=1-10um, pattern spacing k2
=100-2000um, the pattern area ratio/occupancy ratio of microprotrusion texture features array is S2=8%-50%.
7. a kind of bumps according to claim 9 are spaced apart micro- textural composite guide rail, which is characterized in that the microprotrusion
The pattern area ratio/occupancy ratio of texture features array is S2=16-28%.
8. a kind of bumps according to claim 1,2 or 3 are spaced apart micro- textural composite guide rail, in guide rail surface along guide rail
Length direction is whole to be equipped with spreader groove.
9. a kind of bumps according to claim 8 are spaced apart micro- textural composite guide rail, which is characterized in that the spreader groove
Shape be trigonometric function curve.
10. a kind of bumps according to claim 9 are spaced apart micro- textural composite guide rail, which is characterized in that the cloth oil
Well width is t=1-2mm, and depth is q=1mm-3mm.
11. a kind of bumps according to any one of claim 1-7 are spaced apart the making side of micro- textural composite guide rail
Method, which is characterized in that concretely comprise the following steps：
Step 1, design guide rail surface bumps are spaced apart micro- textural composite, and nick hole and microprotrusion texture features are spaced apart and deposit
In guide rail whole stroke working surface；
Step 2, guide rail cleans, with the wiping of dry cotton until bright dustless, removal surface dirt and greasy dirt；
Step 3, nick hole and very low power are processed in guide rail surface using diode LD pumped YAG lasers, using hybrid stepping
Motor control control is loaded with workbench displacement of the lines and the angular displacement of guide rail, and the processing method for keeping laser beam motionless prepares alternate point
The array nick hole texture of cloth and the very low power that nick hole is tilted, connected with along machine tool motion direction, it is specific to laser machine
Parameter optical maser wavelength 532nm, defocusing amount 0mm, pulse width 0.1-1.5ms, pulse frequency 1-10KHz, laser energy density are
10-500 J/cm2, electric current 10-25A, air atmosphere；
Step 4, microprotrusion is processed in guide rail surface using diode LD pumped YAG lasers, is controlled using composite stepper motor
Control is loaded with workbench displacement of the lines and the angular displacement of guide rail, and prepared by the processing method for keeping laser beam motionless cheats alternate point with nick
The array microprotrusion of cloth, specific laser processing parameter optical maser wavelength 1064nm, defocusing amount 0mm, pulse width 0.1-1.0ms,
Pulse frequency 300-500KHz, laser energy density be 200-500 J/cm2, electric current 15-20A, pulse process 1 ~ 3 time,
Air atmosphere.
12. production method according to claim 11, which is characterized in that the step 4）Afterwards, existed using CNC milling machine
Guide rail surface processes the spreader groove of trigonometric function shape, and specific machined parameters are：Speed of mainshaft 200-600mm/s, amount of feeding 10-
100mm, cutting depth 1-3mm.
13. the production method according to claim 11 or 12, which is characterized in that the step 3）Afterwards, in guide rail surface
It is processed by shot blasting, the slag that removal Laser Processing nick generates when cheating, the parameter of glossing is：Bonding agent is resin, material
Matter green carbonization, the soft emery stick of granularity 1500#, pressure 0.8-1.0MPa, time 10-25s.
14. the production method according to claim 11 or 12, which is characterized in that the step 1）The requirement of laser micro molding
For：Arithmetic average deviation Ra≤0.8um of profile, maximum height Rz≤3.2um of profile, straightness and flatness≤
0.01um。
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