CN1923454A - Slipping member and machine tool with same - Google Patents
Slipping member and machine tool with same Download PDFInfo
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- CN1923454A CN1923454A CNA2006101264500A CN200610126450A CN1923454A CN 1923454 A CN1923454 A CN 1923454A CN A2006101264500 A CNA2006101264500 A CN A2006101264500A CN 200610126450 A CN200610126450 A CN 200610126450A CN 1923454 A CN1923454 A CN 1923454A
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- sliding part
- recess
- slide
- moving structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/121—Arrangements for cooling or lubricating parts of the machine with lubricating effect for reducing friction
- B23Q11/124—Arrangements for cooling or lubricating parts of the machine with lubricating effect for reducing friction for lubricating linear guiding systems
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- Bearings For Parts Moving Linearly (AREA)
Abstract
Provided a sliding member, having excellent productivity, holding down costs and obtaining high guiding accuracy. This machining tool includes: a support structure; at least one moving structure supported by the support structure to freely move in a predetermined feed direction; a sliding guide mechanism for guiding the movement in the feed direction of the moving structure by engagement relationship between the sliding guide surface provided on the support structure and the sliding guide surface provided on the moving structure; and a feeding mechanism for moving the moving structure in the feed direction. At least one of the sliding guide surface of the support structure and the sliding guide surface of the moving structure is provided with the sliding members 24, 28. The sliding members 24, 28 are formed of a sheet material mainly composed of synthetic resin, and one surface thereof is provided with a plurality of recessed parts 24a, 28a formed by plastic deformation.
Description
Technical field
The present invention relates to have supporting structure, support, the moving structure body that can move freely at the throughput direction of regulation by above-mentioned supporting structure; With the engagement relationship of the slide-and-guide face on slide-and-guide face that utilizes above-mentioned supporting body structure spare and above-mentioned moving structure side, sliding part that uses on the above-mentioned slide-and-guide face to the lathe of the mobile sliding guide mechanism that leads of this moving structure body and lathe with this sliding part.
Background technology
As above-mentioned lathe, known have a disclosed lathe in 3～No. 149147 communiques of Japanese kokai publication hei (patent documentation 1).This lathe is by support; Be configured in the pillar on the support; Axis is configured in horizontal direction, keeps the main shaft of instrument; Can automatically move at above-below direction (Y direction),, can main shaft rotate freely as its axis centre and the main tapping that supports by shore supports; On main-shaft axis direction (Z-direction), move freely, be configured in the saddle on the support; With with Y-axis and vertical on X-direction, the moving freely of Z axle, be configured on the saddle, the workbench of mounting workpiece constitutes.
In addition, above-mentioned lathe has: utilize the engagement relationship at slide-and-guide face that forms on the pillar and the slide-and-guide face that forms on main tapping, to the mobile Y-axis sliding guide mechanism that lead of this main tapping to Y direction; Utilization is at the engagement relationship of slide-and-guide face that forms on the support and the slide-and-guide face that forms on saddle, to the mobile Z axle sliding guide mechanism that lead of this saddle to Z-direction; Utilization is at the engagement relationship of slide-and-guide face that forms on the saddle and the slide-and-guide face that forms on workbench, to the mobile X-axis sliding guide mechanism that lead of this workbench to X axis; The Y-axis conveying mechanism that main tapping is moved in Y direction; Make saddle the Z axle conveying mechanism that moves of Z-direction; With the X-axis conveying mechanism that workbench is moved in X-direction.
The sliding part of the main tapping sideslip action-oriented face that constitutes above-mentioned Y-axis sliding guide mechanism is installed on above-mentioned main tapping; The sliding part of the saddle sideslip action-oriented face that constitutes Z axle sliding guide mechanism is installed on above-mentioned saddle; With the sliding part that the workbench sideslip action-oriented face that constitutes the X-axis sliding guide mechanism is installed on above-mentioned workbench.The sheet component that these each sliding parts are made by synthetic resin constitutes, suitable be installed on main tapping or saddle, the workbench after, in order to form the small concavo-convex of a plurality of reservoir that become lubricating oil, scraper processing is carried out on surface (spigot surface).In addition, the interconnected slide-and-guide face of each sliding guide mechanism is by the oil film contact to the lubricating oil of supplying with between them.
In the lathe of this spline structure, by utilizing each conveying mechanism, make main tapping, saddle and workbench under the guiding of each guiding mechanism, the throughput direction in regulation moves respectively, can utilize the instrument that remains on the main shaft that the workpiece on the workbench is processed.
On each sliding part surface, by scraper processing, form a plurality of small concavo-convex (reservoir of lubricating oil), can expeditiously lubricating oil be supplied between the slide-and-guide face.In addition,, produce oil film pressure, can prevent that each slide-and-guide face is in direct contact with one another owing to be accompanied by the wedging action of moving of main tapping, saddle and workbench.Thus, in each sliding guide mechanism, can obtain high guiding accuracy, carry out the high processing of precision.
In addition, the sliding part of above-mentioned lathe is processed to form a plurality of recesses by scraper, but in 2003～No. 211333 communiques of TOHKEMY (patent documentation 2), proposed to utilize the plastic sliding part of a plurality of recesses of slotting cutter processing formation from the teeth outwards without scraper processing.In having the lathe of this sliding part, same with above-mentioned lathe, because the guiding accuracy height of sliding guide mechanism can be processed workpiece accurately.
3～No. 149147 communiques of [patent documentation 1] Japanese kokai publication hei
2003～No. 211333 communiques of [patent documentation 2] TOHKEMY.
Yet, in the lathe of above-mentioned existing patent documentation 1,, have the high problem of production cost of the not high problem of efficient and this lathe on the surface of sliding part because the scraper that carries out is processed as handwork.In addition, the scraper processing request is skilled, and the operator wants long time before reaching skillfully, and therefore skilled operator is few, and this becomes not high reason of efficient and the high reason of cost.
In addition, utilize slotting cutter processing to form recess on the surface of sliding part in the lathe of above-mentioned existing patent documentation 2, under the very many situations of this recess number, add section chief than scraper process time, and because the abrasion of slotting cutter front end can not obtain recess depths and change dark recess uniformly.Therefore, the lubricating oil maintenance dose of each recess is inhomogeneous, produces the deviation of supplying with the lubricating oil between the slide-and-guide face, reduces guiding accuracy.
Summary of the invention
The present invention considers what above situation proposed, and its objective is to provide the productivity ratio height, can suppress cost, simultaneously, can get the sliding part and the lathe with this sliding part of high guiding accuracy.
For achieving the above object, sliding part of the present invention is the sliding part that uses at least one of the slide-and-guide face on the supporting structure sideslip action-oriented face of lathe and moving structure side, and wherein, above-mentioned lathe possesses: supporting structure; Support at least one moving structure body that can move freely at the throughput direction of regulation by above-mentioned supporting structure; Utilization is arranged on the slide-and-guide face on the above-mentioned supporting structure and is arranged on the engagement relationship of the slide-and-guide face on the above-mentioned moving structure body, to this moving structure body at the mobile sliding guide mechanism that leads to above-mentioned throughput direction; With the conveying mechanism that above-mentioned moving structure body is moved at above-mentioned throughput direction,
Above-mentioned sliding part is made of the sheet component that with synthetic resin is main component, has a plurality of recesses that formed by plastic deformation in of its surface.
Adopt this sliding part,, can form recess expeditiously, simultaneously, can make each recess shapes identical owing to can utilize plastic deformation to form a plurality of recesses.Thus, but local this sliding part of making of the high and low one-tenth of productivity ratio, and the while can make the maintenance dose of the lubricating oil that is kept by each recess even, can zero deflection lubricating oil be supplied between the slide-and-guide face, obtains good guiding accuracy.Herein, so-called plastic deformation after the plastic deformation, is removed the permanent deformation that external force is not recovered original form yet for make the material distortion by the external force that strengthens.
In addition, above-mentioned sliding part thickness is preferably 0.5mm～3.0mm, and above-mentioned concave depth is 0.1 times～0.4 times of above-mentioned thickness.When thickness during less than 0.5mm, be difficult to make equably thin thickness, when thickness surpassed 3.0mm, the quantity of material that this sliding part uses was many, and manufacturing cost uprises.In addition,, be difficult to form recess by plastic deformation when concave depth during less than 0.1 times of thickness, form recess from the teeth outwards after, grinding this surface, fine finishining is under the situation of level and smooth shape, generation can not be guaranteed the problem of abrasive.When concave depth surpasses 0.4 times of thickness, be the long processing time that plastic deformation is carried out, the reduction of processing (productions) efficient.
Therefore, make thickness and recess depths respectively in above-mentioned scope, can be easy to make the uniform sliding part of thickness, and suppress cost, simultaneously, can guarantee the MIN maintenance dose of the lubricating oil of recess, realize forming easily and expeditiously recess.
In addition, total aperture area of preferred above-mentioned each recess of above-mentioned sliding part accounts for 20%～60% of the total surface area that forms this each recess.When total aperture area of recess less than 20% the time, lubricating oil can not be supplied between the slide-and-guide face fully, can not mobile smoothly moving structure body.When total aperture area of recess surpassed 60%, intensity reduced, and is easy to generate creep, and in addition, the deformation of creep can reduce guiding accuracy.
Therefore, the total aperture area that makes recess can be supplied with lubricating oil between the slide-and-guide face in above-mentioned scope fully, can mobile reposefully moving structure body, simultaneously, be difficult to produce creep, and can prevent the reduction of guiding accuracy.
In addition, above-mentioned sliding part, preferably the aperture area of each above-mentioned recess is 4mm
2～25mm
2When aperture area less than 4mm
2The time, must increase the recess number, like this, the manufacturing cost of the necessary metal pattern of plastic deformation rises, and causes the cost of this sliding part to rise.When aperture area surpasses 25mm
2The time, aperture area is excessive, is difficult to form the oil film of lubricating oil between the slide-and-guide face, is difficult to lubricating oil is supplied between the slide-and-guide face, can not level and smooth mobile moving structure body.
Therefore, make aperture area in above-mentioned scope, can make the low cost of manufacture of the metal pattern that carries out plastic deformation necessity, the cost that suppresses this sliding part raises, simultaneously, can between the slide-and-guide face, form the oil film of lubricating oil fully, lubricating oil fully can be supplied between the slide-and-guide face, can mobile reposefully moving structure body.
In addition, above-mentioned sliding part, the sidewall of preferred above-mentioned recess is 10 °～40 ° with respect to the angle of inclination on the surface that forms this recess.When angle of inclination during less than 10 °, be difficult to form recess by plastic deformation, when the angle of inclination surpasses 40 °, be difficult to obtain the wedging action of moving along with the moving structure body, can not obtain sufficient oil film pressure by this wedging action, the discharge of the lubricating oil that keeps in the recess is poor, lubricating oil can not be supplied between the slide-and-guide face fully, can not mobile reposefully moving structure body.
Therefore, make the angle of inclination in above-mentioned scope, form recess easily, in addition, can produce sufficient oil film pressure by wedging action, the discharge that remains on the lubricating oil in the recess is good, lubricating oil can fully be supplied between the slide-and-guide face, can mobile smoothly moving structure body.
In addition, above-mentioned sliding part preferably by being that main component constitutes with the polytetrafluoroethylene (PTFE), comprises the low nonferrous metal of hardness ratio iron of volume ratio 5～40% simultaneously.With the polytetrafluoroethylene (PTFE) is that main component is that hear resistance or cost aspect are outstanding because this polytetrafluoroethylene (PTFE) coefficient of friction in various synthetic resin is little.In addition, comprise the low nonferrous metal of hardness ratio iron, be in order to be limited in the joint between the slide-and-guide face that constitutes between this sliding part, usually this sliding part surface engages with the slide-and-guide face that is made of the various alloys that comprise as metallic elements of ferrum, so the nonferrous metal that contains of utilization can prevent the damage of this slide-and-guide face.
In addition, the content of nonferrous metal is volume ratio 5%～40%, and volume ratio can not increase substantially intensity (for example, the intensity of creep face) or abrasion performance less than 5% o'clock, when volume ratio surpasses 40%, can damage the low frictional behavior of polytetrafluoroethylene (PTFE) tool.Therefore, the content that makes nonferrous metal can not damage the low frictional behavior that polytetrafluoroethylene (PTFE) has in above-mentioned scope, improves intensity or abrasion performance, is difficult to produce the deformation of creep, can prevent that guiding accuracy from reducing.
In addition, a kind of lathe of the present invention possesses: supporting structure; Support at least one moving structure body that can move freely at the throughput direction of regulation by above-mentioned supporting structure; Utilization is arranged on the slide-and-guide face on the above-mentioned supporting structure and is arranged on the engagement relationship of the slide-and-guide face on the above-mentioned moving structure body, to the mobile sliding guide mechanism that lead of this moving structure body to above-mentioned throughput direction; With the conveying mechanism that above-mentioned moving structure body is moved at above-mentioned throughput direction,
Possess above-mentioned sliding part,
This sliding part is configured at least one of above-mentioned supporting structure and moving structure body, makes the face with above-mentioned recess become above-mentioned slide-and-guide face.
Adopt this lathe, as mentioned above,, therefore can improve the productivity ratio of this lathe, reduce cost, can improve the guiding accuracy of moving structure body simultaneously, realize high-precision processing because this sliding part productivity ratio or cost aspect excellence can obtain high guiding accuracy.
As mentioned above, adopt sliding part of the present invention, can utilize plastic deformation to form recess, can make the productivity ratio of this sliding part good, cost is low, simultaneously, can make the lubricating oil maintenance dose of each recess even, can agonic lubricating oil be supplied between the slide-and-guide face, obtain good guiding accuracy.
In addition, adopt lathe of the present invention,, can improve the productivity ratio of this lathe, reduce cost because the slide-and-guide face uses above-mentioned sliding part.Simultaneously, the guiding accuracy of moving structure body can be improved, high-precision processing can be realized.
Description of drawings
Fig. 1 is the stereogram of the general configuration of the lathe of expression an embodiment of the invention.
Fig. 2 is the plane of the general configuration of the sliding part of expression present embodiment.
Fig. 3 is the detail drawing of the A portion of Fig. 2.
Fig. 4 is the sectional view of Fig. 3 arrow B～B direction.
The specific embodiment
Below, concrete embodiment of the present invention is described with reference to the accompanying drawings.Fig. 1 is this stereogram of general configuration of lathe of an embodiment of expression.Fig. 2 is the plane of the general configuration of the sliding part of expression present embodiment, and Fig. 3 is the detail drawing of the A portion of Fig. 2, and Fig. 4 is the sectional view of arrow B～B direction of Fig. 3.
As shown in Figure 1, this routine lathe 1 is by support 11; Be configured in the pillar 12 on the support 11; Be supported on the pillar 12 main tapping 13 that can move freely in above-below direction (Z-direction); Axis is parallel with the Z axle, and can rotate freely ground in this axis centre, by the main shaft 14 of main tapping 13 supports; Be configured on the support 11, in the horizontal direction (Y direction) freely mobile saddle 15; Be configured on the saddle 15, can with the Z axle workbench 16 grade formations that in X-direction move freely vertical with Y-axis.Instrument T is installed on the above-mentioned main shaft 14, and workpiece W is placed on the above-mentioned workbench 16.
In addition, above-mentioned lathe 1 has main tapping 13 is moved the Z spindle guide that leads to mechanism 20 to Z-direction; To the mobile Y-axis guiding mechanism 21 that lead of saddle 15 to Y direction; Workbench 16 is moved the X-axis guiding mechanism 25 that leads in X-direction; The Z axle conveying mechanism (not shown) that main tapping 13 is moved in Z-direction; The Y-axis conveying mechanism (not shown) that saddle 15 is moved in Y direction; With the X-axis conveying mechanism (not shown) that workbench 16 is moved in X-direction.
Above-mentioned Z spindle guide to mechanism 20 by along the Z axle, at the guide rail 20a of the back side of main tapping 13 configuration; With the upper front that is fixedly installed on pillar 12, the slide block 20b that engages with this guide rail 20a constitutes with can move freely.
Above-mentioned Y-axis guiding mechanism 21 is by the slide-and-guide face 22 that forms on support 11 along Y direction; With along Y direction, below saddle 15, form, the slide-and-guide part that engages 23 that can move freely with the slide-and-guide face 22 of above-mentioned support side constitutes.With the sliding part 24 that the slide-and-guide face 22 of this support side contacts, frame is in the relative portion of whole and this support sideslip action-oriented face 22 and be arranged on this slide-and-guide face 23.
Above-mentioned X-axis guiding mechanism 25 is by along X-direction, the slide-and-guide face 26 that forms on saddle 15; With along forming on X-direction is below workbench 16, slide-and-guide part 27 formations that engage with the slide-and-guide face 26 of above-mentioned saddle side with can move freely.With the sliding part 28 that the slide-and-guide face 26 of this saddle side contacts, frame is in the relative portion of whole and this saddle sideslip action-oriented face 26 and be arranged on this slide-and-guide face 27.
Above-mentioned sliding part 24,28, work as the slide-and-guide face with the contact-making surface of support sideslip action-oriented face 22 or saddle sideslip action-oriented 26, between the contact-making surface (slide-and-guide face) by suitably lubricating oil being supplied to this sliding part 24 and the slide-and-guide face 22 of support side, or between contact-making surface of sliding part 28 (slide-and-guide face) and the saddle sideslip action-oriented face 26, contact with support sideslip action-oriented face 22 or saddle slide-and-guide face 26.
In addition, as Fig. 2～shown in Figure 4, above-mentioned sliding part 24,28 is by being main component with the polytetrafluoroethylene (PTFE), and to contain volume ratio be that 5%～40% the copper or the sheet component of copper alloy powder constitute.Going up at above-mentioned contact-making surface (slide-and-guide face) becomes the lubricating oil storage at, and the plane is seen as a plurality of recess 24a, the 28a of rectangular shape.In addition, the preferred 2 μ m of the particle diameter of copper or copper alloy powder～150 μ m, more preferably 2 μ m～75 μ m.
In addition, the thickness t of above-mentioned sliding part 24,28 is 0.5mm～3.0mm, the depth d of recess 24a, 28a be 0.1 times～0.4 times of above-mentioned thickness t (that is, and d=0.1 * t～0.4 * t), the aperture area of each recess 24a, 28a is 4mm
2～25mm
2, the sidewall of recess 24a, 28a is 10 °～40 ° with respect to the tilt angle theta of above-mentioned contact-making surface.Simultaneously, total aperture area that each recess 24a, 28a form account for above-mentioned contact-making surface the gross area 20%～60%, recess 24a, 28a to angular direction and throughput direction (under the situation of sliding part 24, be Y-axis, be X-axis under the situation of sliding part 28) parallel, and the relative throughput direction of recess 24a, 28a (be Y-axis under the situation of sliding part 24, under the situation of sliding part 28, be X-axis) becomes the clathrate configuration.
This sliding part the 24, the 28th, sheet material that the formed body of turning processing column shape is obtained or the sheet material that is shaped to sheet are heated to than vitrifying branchpoint height, after the low temperature of melting point, utilize metal pattern under authorized pressure, to suppress a surface (contact-making surface) of this sheet material, obtain by plastic deformation.At this moment, under the high situation of heating-up temperature, pressing pressure low also can, but under the low situation of heating-up temperature, pressing pressure must be high.As this example, when with polytetrafluoroethylene (PTFE) during as main component, the heating-up temperature scope is 130 ℃ (vitrifying branchpoints)～327 ℃ (melting point), and pressing pressure is the scope of 9MPa～63MPa.Be that pressing pressure is necessary for 63MPa under 130 ℃ the situation in heating-up temperature, when heating-up temperature was 327 ℃, pressing pressure was that 9MPa gets final product.
Then, another surface (with the face of contact-making surface opposition side) of handling the sliding part 24,28 that obtains thus with suitable medicine, with suitable binding agent, bond be installed in the above-mentioned slide-and-guide portion 23,27 after, fine finishining and attrition process contact-making surface smoothly.
In addition, the reason that is main component with poly-upward PVF is that this polytetrafluoroethylene (PTFE) coefficient of friction in various synthetic resin is little, and hear resistance or cost aspect excellence.In addition, contain copper or copper alloy powder and be that hardness ratio iron is low, coefficient of friction is little in nonferrous metal, Master Cost is low because these materials have, easy processing is (as mentioned above owing to carry out plastic deformation or attrition process, process easily, this point very important) feature.In addition, hardness is must be than iron low to be because above-mentioned support sideslip action-oriented face 22 or saddle sideslip action-oriented face 26 are made of the various alloys that contain as the iron of metallic element usually, utilize the material (copper or copper alloy powder in this example) that contains in the sliding part 24,28 can prevent that this slide-and-guide face 22,26 is impaired.
In addition, the powder content that makes copper or copper alloy is volume ratio 5%～40% because when volume ratio less than 5% the time, can not significantly improve intensity (for example, the intensity on the creep face) or abrasion performance; When volume ratio surpassed 40%, the low frictional behavior that polytetrafluoroethylene (PTFE) has was impaired.In addition, the particle diameter of copper or copper alloy powder is 2 μ m～150 μ m, is that this powder can not disperse in polytetrafluoroethylene (PTFE) equably, can produce the inhomogeneous or deviation of intensity or abrasion performance because when particle diameter surpassed 150 μ m, the ratio of copper or copper alloy was great; In addition, same even less than 2 μ m, this powder is disperseed in poly-tetrem fluorine alkene equably.
Therefore, the content of powder that makes copper or copper alloy can not damage the low frictional behavior that polytetrafluoroethylene (PTFE) has in above-mentioned scope, can improve intensity or abrasion performance and be difficult to the production deformation of creep, can prevent the reduction of guiding accuracy.In addition, the particle diameter that makes copper or copper alloy powder can make this powder disperse equably in polytetrafluoroethylene (PTFE) in above-mentioned scope, can make intensity or abrasion performance even.
In addition, making thickness t is 0.5mm～3.0mm, be because when thickness t during less than 0.5mm, be difficult to make equably thin thickness t, when thickness t surpasses 3.0mm, use quantity of material many in this sliding part 24,28, the manufacturing cost height, the ripple that produces in the sheet material after machining is difficult to remove, can make this sliding part 24,28 and slide-and-guide part 23,27 bondings, and contact-making surface is not is not risen and fallen, can not make to zero deflection bonding plane (with the face of contact-making surface opposition side) and slide-and-guide part 23,27 bonding.In addition, the depth d that makes recess 24a, 28a is 0.1 times～0.4 times of thickness t, be because the depth d of recess 24a, 28a during less than 0.1 times of thickness t, be difficult to utilize plastic deformation to form recess 24a, 28a, after forming recess 24a, 28a, when grinding and fine finishining contact-making surface when making it level and smooth, generation can not be guaranteed the problem of abrasive, when the depth d of recess 24a, 28a surpasses 0.4 times of thickness t, plastic deformation long processing time, the reduction of processing (productions) efficient.
Therefore, make thickness t and recess depths d respectively in above-mentioned scope, can make the uniform sliding part 24,28 of thickness t easily, and can suppress cost, simultaneously, can be easily and form recess 24a, 28a expeditiously, and the MIN maintenance dose of the lubricating oil that can guarantee by recess 24a, 28a.In addition, the installation (bonding) of sliding part 24,28 in slide-and-guide part 23,27 carried out and the efficient height easily.
In addition, making the aperture area of each recess 24a, 28a is 4mm
2～25mm
2, when aperture area less than 4mm
2The time, owing to must increase the number of recess 24a, 28a, the manufacturing cost of the metal pattern of plastic deformation necessity rises, and causes the cost of this sliding part 24,28 to raise, when aperture area surpasses 25mm
2The time, aperture area is excessive, contact-making surface and support sideslip action-oriented face 22 or and saddle sideslip action-oriented face 26 between be difficult to form the oil film of lubricating oil, be difficult to lubricating oil be supplied to contact-making surface and support sideslip action-oriented face 22 or and saddle sideslip action-oriented face 26 between, can not make saddle 15 or workbench 16 level and smooth moving.
Therefore, make aperture area in above-mentioned scope, the low cost of manufacture that the metal of plastic deformation necessity is touched, the cost that can suppress this sliding part 24,28 raises, simultaneously, contact-making surface and support sideslip action-oriented face 22 or and saddle sideslip action-oriented face 26 between can fully form the oil film of lubricating oil, lubricating oil fully can be supplied with contact-making surface and support sideslip action-oriented face 22 or and saddle sideslip action-oriented face 26 between, can be so that saddle 15 or workbench 16 level and smooth moving.
In addition, making the tilt angle theta of the sidewall relative contact of recess 24a, 28a is 10 °～40 °.When tilt angle theta during less than 10 °, be difficult to utilize plastic deformation to form recess 24a, 28a, when tilt angle theta surpasses 40 °, be difficult to obtain following the wedging action of moving of saddle 15 or workbench 16, can not fully obtain oil film pressure by this wedging action generation, the discharge that remains on the lubricating oil in recess 24a, the 28a is poor, lubricating oil fully can not be supplied with contact-making surface and support side spigot surface 22 or and saddle sideslip action-oriented face 26 between, can not make 16 level and smooth the moving of saddle 15 or workbench.
Therefore, make tilt angle theta in above-mentioned scope, form recess easily, in addition, can fully produce oil film pressure by wedging action, the discharge that remains on the lubricating oil in recess 24a, the 28a is good, lubricating oil can fully be supplied to contact-making surface and support side spigot surface 22 or and saddle sideslip action-oriented face 26 between, can make level and smooth mobile of saddle 15 or workbench 16.In addition, in order to prevent the discharge reduction of lubricating oil, the sidewall (inclined plane) of above-mentioned contact-making surface and recess 24a, 28a preferably is not a stretching square bar and being connected, but connects glossily with curved surface.
In addition, total aperture area of each recess 24a, 28a account for contact-making surface the gross area 20%～60%.When total aperture area of recess 24a, 28a less than 20% the time, lubricating oil fully can not be supplied with contact-making surface and support sideslip action-oriented face 22 or and saddle sideslip action-oriented face 26 between, can not make saddle 15 or workbench 16 level and smooth moving.When total aperture area of recess 24a, 28a surpassed 60%, intensity reduced, and is easy to generate creep, and in addition, deformation of creep meeting causes guiding accuracy to reduce.
Therefore, the total aperture area that makes recess 24a, 28a is in above-mentioned scope, lubricating oil fully can be supplied with contact-making surface and support sideslip action-oriented face 22 or and saddle sideslip action-oriented face 26 between, can make saddle 15 or workbench 16 level and smooth moving, be difficult to produce creep, can prevent that guiding accuracy from reducing.
In addition, recess 24a, 28a are shaped as rectangle, and the necessary metal pattern of plastic deformation is processed easily, suppress this metal pattern manufacturing cost, can suppress the cost of this sliding part 24,28.In addition, make that recess 24a, 28a's is parallel with throughput direction to the angular direction, can improve the discharge that remains on the lubricating oil in this recess 24a, the 28a, can fully lubricating oil be supplied with contact-making surface and support sideslip action-oriented face 22 or and saddle sideslip action-oriented 26 between, can make 16 level and smooth the moving of saddle 15 or workbench.In addition, relatively throughput direction is configured to clathrate with recess 24a, 28a, can with lubricating oil high efficiency and zero deflection be supplied on support sideslip action-oriented face 22 or saddle sideslip action-oriented face 26 whole.
Adopt this routine lathe 1 of above structure, when utilizing Z axle conveying mechanism (not shown) drive shaft 13, this main tapping 13 is moved in Z-direction by guide rail 20a and slide block 20b guiding; When utilizing Y-axis conveying mechanism (not shown) to drive saddle 15, these saddle 15 utilizations comprise the slide-and-guide portion 23 of sliding part 24 and the engagement relationship of support sideslip action-oriented face 22 is directed to, and move in Y direction; When utilizing X-axis conveying mechanism (not shown) to drive workbench 16, these workbench 16 utilizations comprise the slide-and-guide portion 27 of sliding part 28 and the engagement relationship of saddle sideslip action-oriented face 26 is directed to, and move in X-direction; Thus, can utilize the workpiece W of instrument T processing on workbench 16 that remains on the main shaft 14.
At this moment, by a plurality of recess 24a, the 28a of sliding part 24,28 can expeditiously lubricating oil be supplied to contact-making surface and support sideslip action-oriented face 22 or and saddle sideslip action-oriented face 26 between; In addition, the oil film pressure that utilizes the wedging action of moving follow saddle 15 or workbench 16 to produce, can prevent sliding part 24,28 and support sideslip action-oriented face 22 or with direct contact of saddle sideslip action-oriented face 26.
As mentioned above, because the sliding part 24 that this routine lathe 1 is used, 28 for utilizing plastic deformation to form a plurality of recess 24a, the sliding part of 28a, therefore can form recess 24a expeditiously, 28a, simultaneously, can make each recess 24a, the shape of 28a is identical, thus, can the productivity ratio excellence, make this sliding part 24 cheaply, 28, simultaneously, can make by each recess 24a, the lubricating oil maintenance dose that 28a keeps is even, can have deviation ground with lubricating oil be not supplied to contact-making surface and support sideslip action-oriented face 22 or and saddle sideslip action-oriented face 26 between, can obtain good guiding accuracy.
Therefore, adopt this routine lathe 1, can improve the productivity ratio of this lathe 1, reduce cost, can improve the guiding accuracy of saddle 15 or workbench 16 simultaneously, realize high-precision processing.
An embodiment of the invention more than have been described, but the concrete form that the present invention can adopt is not limited only to this.
In above-mentioned example, the saddle side spigot surface of sliding part 24 as Y-axis guiding mechanism 21 is set, the workbench sideslip action-oriented face of sliding part 28 as X-axis guiding mechanism 25 is set, but is not limited only to this; On the saddle sideslip action-oriented face 26 of the support sideslip action-oriented face 22 of Y-axis guiding mechanism 21, X-axis guiding mechanism 25, use above-mentioned sliding part 24,28; On the workbench sideslip action-oriented face of the saddle sideslip action-oriented face of Y-axis guiding mechanism 21, X-axis guiding mechanism 25, do not use above-mentioned sliding part 24,28, only on the saddle sideslip action-oriented face 26 of the support sideslip action-oriented face 22 of Y-axis guiding mechanism 21, X-axis guiding mechanism 25, use above-mentioned sliding part 24,28 passable yet.
In addition, in mechanism 20, same at the Z spindle guide with Y-axis guiding mechanism 21 or X-axis guiding mechanism 25, use sliding part 24,28 also can as guiding mechanism.
In addition, in above-mentioned example illustrated with support 11, pillar 12 and saddle 15 as supporting structure; With main tapping 13, saddle 15 and workbench 16 example as the moving structure body, but supporting structure or moving structure body are not to only limit to this.In addition, in the lathe 1 of the type that is called vertical machining centre, above-mentioned sliding part 24,28 can be set also, this sliding part 24,28 uses in the various lathes such as spinning machine with slide-and-guide face.
Claims (7)
1. sliding part uses at least one of the slide-and-guide face on the supporting structure sideslip action-oriented face of lathe and moving structure side, it is characterized in that described lathe possesses:
Supporting structure; Support at least one moving structure body that can move freely at the throughput direction of regulation by described supporting structure; Utilization is arranged on the slide-and-guide face on the described supporting structure and is arranged on the engagement relationship of the slide-and-guide face on the described moving structure body, to the mobile sliding guide mechanism that lead of this moving structure body on described throughput direction; With the conveying mechanism that described moving structure body is moved at described throughput direction, wherein,
Described sliding part is made of the sheet component that with synthetic resin is main component, has a plurality of recesses that form by plastic deformation in one surface.
2. sliding part as claimed in claim 1 is characterized in that, thickness is 0.5mm～3.0mm, and described concave depth is 0.1 times～0.4 times of described thickness.
3. sliding part as claimed in claim 1 is characterized in that, total aperture area of described each recess account for the surface that forms this each recess the gross area 20%～60%.
4. sliding part as claimed in claim 1 is characterized in that, the aperture area of each described recess is 4mm
2～25mm
2
5. sliding part as claimed in claim 1 is characterized in that, the sidewall of described recess is 10 °～40 ° with respect to the angle of inclination on the surface that forms this recess.
6. sliding part as claimed in claim 1 is characterized in that, is that main component constitutes with the polytetrafluoroethylene (PTFE), and the hardness that contains volume ratio 5%～40% simultaneously is lower than the nonferrous metal of iron.
7. a lathe is characterized in that,
Have:
Supporting structure; Support at least one moving structure body that can move freely at the throughput direction of regulation by described supporting structure; Utilization is arranged on the slide-and-guide face on the described supporting structure and is arranged on the engagement relationship of the slide-and-guide face on the described moving structure body, to the mobile sliding guide mechanism that lead of this moving structure on described throughput direction; With the conveying mechanism that described moving structure body is moved at described throughput direction,
Have each described sliding part in the claim 1～6,
This sliding part is configured at least one of described supporting structure and moving structure body, makes the face with described recess become described slide-and-guide face.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005250546A JP2007061955A (en) | 2005-08-31 | 2005-08-31 | Sliding member and machine tool equipped therewith |
| JP2005250546 | 2005-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1923454A true CN1923454A (en) | 2007-03-07 |
Family
ID=37816372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101264500A Pending CN1923454A (en) | 2005-08-31 | 2006-08-31 | Slipping member and machine tool with same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2007061955A (en) |
| KR (1) | KR20070025976A (en) |
| CN (1) | CN1923454A (en) |
| TW (1) | TW200709888A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369427A (en) * | 2021-08-16 | 2021-09-10 | 常州市多朋机械有限公司 | Thread rolling wheel assembly and thread rolling process using same |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009122898A1 (en) * | 2008-04-04 | 2009-10-08 | Ntn株式会社 | Slide member for guide structure of machine tool |
| JP2015086970A (en) * | 2013-10-31 | 2015-05-07 | 日本精工株式会社 | Sliding linear motion guide |
| JP7368223B2 (en) * | 2019-02-07 | 2023-10-24 | Ntn株式会社 | Sheet material for sliding guide surfaces |
| RU191142U1 (en) * | 2019-02-11 | 2019-07-25 | Общество с ограниченной ответственностью "Альянс+" | ANTI-FRICTION LINING |
| RU192566U1 (en) * | 2019-02-11 | 2019-09-23 | Общество с ограниченной ответственностью "Альянс+" | MOBILE MACHINE ASSEMBLY |
| JP7391647B2 (en) * | 2019-12-10 | 2023-12-05 | 株式会社三井ハイテック | Grinding machine, grinding method using the grinding machine, and processing method of the guide mechanism of the grinding machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60127933A (en) * | 1983-12-13 | 1985-07-08 | Youbea Le-Ron Kogyo Kk | Material for sliding section of machine tool |
| JP2754769B2 (en) * | 1989-08-09 | 1998-05-20 | 日本精工株式会社 | Manufacturing method of bearing with dynamic pressure groove |
| JPH11197903A (en) * | 1998-01-16 | 1999-07-27 | Mori Seiki Co Ltd | Machine tool for cutting aluminum wheel |
| JP2001082457A (en) * | 1999-09-13 | 2001-03-27 | Shin Kobe Electric Mach Co Ltd | Thrust washer |
| JP2003211333A (en) * | 2002-01-21 | 2003-07-29 | Nakamura Tome Precision Ind Co Ltd | Sliding guide structure for machine tool |
-
2005
- 2005-08-31 JP JP2005250546A patent/JP2007061955A/en active Pending
-
2006
- 2006-06-12 TW TW095120767A patent/TW200709888A/en unknown
- 2006-07-11 KR KR1020060064887A patent/KR20070025976A/en not_active Application Discontinuation
- 2006-08-31 CN CNA2006101264500A patent/CN1923454A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369427A (en) * | 2021-08-16 | 2021-09-10 | 常州市多朋机械有限公司 | Thread rolling wheel assembly and thread rolling process using same |
| CN113369427B (en) * | 2021-08-16 | 2021-11-19 | 常州市多朋机械有限公司 | Thread rolling wheel assembly and thread rolling process using same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007061955A (en) | 2007-03-15 |
| TW200709888A (en) | 2007-03-16 |
| KR20070025976A (en) | 2007-03-08 |
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