CN1846075B - Linear guide device - Google Patents
Linear guide device Download PDFInfo
- Publication number
- CN1846075B CN1846075B CN2004800251856A CN200480025185A CN1846075B CN 1846075 B CN1846075 B CN 1846075B CN 2004800251856 A CN2004800251856 A CN 2004800251856A CN 200480025185 A CN200480025185 A CN 200480025185A CN 1846075 B CN1846075 B CN 1846075B
- Authority
- CN
- China
- Prior art keywords
- slide block
- roller
- face
- limiting component
- arm portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Bearings For Parts Moving Linearly (AREA)
Abstract
A linear guide device has a retaining piece (15) between two adjacent rollers (9). The retaining piece (15) has a retraining piece body (16) having left side-face section and a right side-face sectionthat are parallel to the end face sections of the rollers (9), a first arm section (19) extending from the left side-face section of the retaining piece body (16) toward the end face sections of thetwo adjacent rollers (9) and fitting in a first guide groove (22) formed in one wall surface section of a circulation path (21), and a second arm section (20) provided on the right side-face section of the retaining piece body (16) so as to be parallel to the first arm section (19) and fitting in a second guide groove (23) formed in the other wall surface section of the circulation path (21). Theheights of the retaining piece body (16) and the arm sections (19, 20) satisfy the conditional expression of (H1 - H2)/2<(Dw -W)/2, where H1 is the height of the retaining piece body (16), in the direction perpendicular to the axial direction of a roller; H2 the height of the arm sections (19, 20) in the direction perpendicular to the axial direction of the roller; W the width of the guide grooves(22, 23) in the direction perpendicular to the axial direction of the roller; and Dw the diameter of the roller (9).
Description
Technical field
The present invention relates to the linear guide apparatus that leads for the object of on its moving direction, doing linear motion.More particularly, the present invention relates to use a kind of linear guide apparatus of roller as roll piece.
Background technique
Usually, utilize roller to comprise track with horizontal left-hand face and horizontal right lateral surface as the linear guide apparatus of roll piece, at the longitudinal direction tool front-end face of this track and the slide block of ear end face, and be connected end cap on slip front face and the ear end face, wherein with the horizontal left-hand face that is formed on track and laterally the relative slide block of the rail side raceway face on the right lateral surface sidewinder the surface and be formed on two opposed inside faces of slide block.In addition, such linear guide apparatus has a plurality of rollers.This roller can utilize the relative movement of this slide block at the longitudinal direction of this track, rolls in the roll piece roll channel that forms between the raceway face of the raceway face of rail side and slide block side and passes through.Then, the direction change passage that be used for roll piece of roller in being formed at this end cap that rolls by this roll piece roll channel changes direction, again by the roll piece return passage of longitudinal direction in being formed at this slide block along this track, turn back to initial position, again by above-mentioned channel cycle.
In above-mentioned linear guide apparatus, when roller is subsequently run into the roller of front, may produce sound or make the service behaviour variation of this slide block.Consider the problems referred to above, in JP 2001-132745A in the disclosed linear guide apparatus, between each roller, put into the limiting component (retaining piece) that is formed from a resin, to prevent by the noise that collision was caused between each roller or the deterioration of service behaviour.
Yet under the situation that the distance between two adjacent rollers increases in the slide block movement process, this limiting component and this rail side raceway face or slide block sidewinder that the surface contacts and this limiting component early weares and teares, and cause the problem of this limiting component lost of life.In addition,, this limiting component and this rail side raceway face, slide block contact because sidewindering surface etc., this limiting component distortion, thus may make the service behaviour deterioration of this slide block.
Summary of the invention
First purpose of the present invention provides a kind of roller deflection that suppresses to improve the linear guide apparatus of service behaviour.In addition, second purpose of the present invention provides a kind of sound intensity that suppresses to cause by running foul of each other between the roller increases to reduce the linear guide apparatus of noise.In addition, the 3rd purpose of the present invention provides a kind of linear guide apparatus that can suppress the too early wearing and tearing of limiting component and can guarantee the slide block smooth operation.In addition, the 4th purpose of the present invention provides a kind of linear guide apparatus that can improve efficiency of assembling.
In order to reach this purpose, invention provides a kind of linear guide apparatus, it comprises the track with horizontal left surface and horizontal right flank, the slide block that front-end face and ear end face are arranged on the longitudinal direction of this track, and slide block have with the horizontal left surface that is formed on track and laterally the relative slide block of the rail side raceway face on the right flank sidewinder the surface; Be connected to the end cap of slip front face and ear end face; Relative linear movement with slide block, by sidewindering the circulation canal that the roll piece roll channel that forms between the surface forms at this rail side raceway face and slide block, change a plurality of rollers that roll in the passage in the direction of roll piece return passage that in the slide block of the longitudinal direction of this track, forms and the roll piece that in this end cap, forms; And each all is placed on a plurality of limiting components between the roller; Wherein this limiting component has the limiting component body of horizontal left surface and horizontal right flank; The first arm part of stretching out and cooperating towards the end face of two adjacent rollers from the horizontal left surface of this limiting component body with first guiding groove that a wall surface part at this circulation canal forms, with this first arm partial parallel, be arranged on the horizontal right flank of this limiting component body and second arm portion that cooperates with second guiding groove that on another wall portions of this circulation canal, forms; Wherein, the height of the height of this limiting component body and this arm portion is defined as to satisfy such condition: (H
1-H
2)/2＜(D
W-W)/2, and H
1＜D
w, H
2＜W; H in the formula
1Be the height of this limiting component body on the direction of intersecting with the roller axial direction, H
2Be the height of these first and second arm portions on the direction of intersecting at the axial direction with roller, W is the width of first and second guiding grooves on the direction that the axial direction with roller intersects, and D
WDiameter for roller.
The invention provides a kind of linear guide apparatus, it comprises the track with horizontal left surface and horizontal right flank, the slide block that front-end face and ear end face are arranged on the longitudinal direction of this track, and slide block have with the horizontal left surface that is formed on track and laterally the relative slide block of the rail side raceway face on the right flank sidewinder the surface; All be connected to the front-end face of this slide block and the end cap of ear end face respectively; Relative linear movement with slide block, by sidewindering the circulation canal that the roll piece roll channel that forms between the surface forms at this rail side raceway face and slide block, change a plurality of rollers that roll in the passage in the direction of roll piece return passage that in the slide block of the longitudinal direction of this track, forms and the roll piece that in this end cap, forms; And each all is placed on a plurality of limiting components between the roller; Wherein this limiting component has a limiting component body that horizontal left surface and horizontal right flank are arranged; First arm portion that stretches out and cooperate towards the end face of two adjacent rollers from the horizontal left surface of this limiting component body with first guiding groove that a wall surface part at this circulation canal forms, and on parallel with first arm portion, as to be placed on this limiting component body horizontal right flank and second arm portion that cooperates with second guiding groove that on another wall portions of this circulation canal, forms; Wherein, the height of first and second arm portions on the direction that the axial direction with roller intersects is defined as to satisfy such condition: 0.2≤H
2/ D
W≤ 0.5, H in the formula
2Be the height of arm portion, D
WDiameter for roller.
The invention provides a kind of linear guide apparatus, it comprises the track with horizontal left surface and horizontal right flank, the slide block that front-end face and ear end face are arranged on the longitudinal direction of this track, and slide block have with the horizontal left surface that is formed on track and laterally the relative slide block of this rail side raceway face on the right flank sidewinder the surface; Be connected to the front-end face of this slide block and the end cap of ear end face; Relative linear movement with slide block, by sidewindering the circulation canal that the roll piece roll channel that forms between the surface forms at this rail side raceway face and slide block, change a plurality of rollers that roll in the passage in the direction of roll piece return passage that in the slide block of the longitudinal direction of this track, forms and the roll piece that in this end cap, forms; And each all is placed on a plurality of limiting components between this roller; Wherein this limiting component has a limiting component body that horizontal left surface and horizontal right flank are arranged; First arm portion that stretches out and cooperate with first guiding groove that a wall surface part at this circulation canal forms towards the end face of two adjacent rollers from the horizontal left surface of this limiting component body is on parallel with this first arm portion, as to be placed on this limiting component body horizontal right flank and second arm portion that cooperates with second guiding groove that forms on another wall portions of this circulation canal; Wherein, the length of these first and second arm portions is defined as such length: two ends of first and second arm portions are positioned at the outside of a circle, and the circle centre position of this circle is on the core of this limiting component body and have a diameter H
3, H wherein
3Be the distance between the outer side surface of the outer side surface of this first arm portion and this second arm portion.
The invention provides foregoing linear guide apparatus, wherein, the length of these first and second arm portions is defined as such length: two ends of first and second arm portions are positioned at the outside of a circle, and the circle centre position of this circle is on the core of this roll piece roll channel and have a diameter H
4, H wherein
4Be the distance between the bottom of the bottom of this first guiding groove and second guiding groove.
The invention provides foregoing linear guide apparatus, wherein, the distance H between the end portion of the outer side surface of the end portion of the outer side surface of this first arm portion and this second arm portion
5, and the distance H between the core of the outer side surface of the core of the outer side surface of this first arm portion and this second arm portion
6The pass be H
5＜H
6
The invention provides foregoing linear guide apparatus, wherein, the end portion of the outer side surface of these first and second arm portions forms the arcuate surface that protrudes towards the bottom of these first and second guiding grooves.
The invention provides foregoing linear guide apparatus, it is characterized by, the end portion of the outer side surface of these first and second arm portions forms the surface that tapering is arranged with respect to the bottom of these first and second guiding grooves.
The invention provides foregoing linear guide apparatus, wherein, the distance H between the end portion of the inner side surface of the end portion of the inner side surface of this first arm portion and this second arm portion
8, and the distance H between the core of the inner side surface of the core of the inner side surface of this first arm portion and this second arm portion
7The pass be H
7＜H
8
The invention provides foregoing linear guide apparatus, wherein, the end portion of the inner side surface of these first and second arm portions forms the arcuate surface that protrudes towards the end face of roller.
The invention provides foregoing linear guide apparatus, wherein, the end portion of the inner side surface of these first and second arm portions forms the surface that tapering is arranged with respect to the end face of roller.
The invention provides a kind of linear guide apparatus, it comprises the track with left surface and right flank, the slide block that front-end face and ear end face are arranged on the longitudinal direction of this track, and this slide block have with the horizontal left surface that is formed on track and laterally the relative slide block of this rail side raceway face on the right flank sidewinder the surface; Be connected to the front-end face of this slide block and the end cap of ear end face; Relative linear movement with slide block, by sidewindering the circulation canal that the roll piece roll channel that forms between the surface forms at this rail side raceway face and slide block, change a plurality of rollers that roll in the passage in the direction of roll piece return passage that in the slide block of the longitudinal direction of this track, forms and the roll piece that in this end cap, forms; And each all is placed on a plurality of limiting components between this roller; Wherein this limiting component has a limiting component body that left surface and right flank are arranged; First arm portion that stretches out and cooperate towards the end face of two adjacent rollers from the left surface of this limiting component body with first guiding groove that a wall surface part at this circulation canal forms, on parallel with this first arm portion, as to be placed on this limiting component body right flank and second arm portion that cooperates with second guiding groove that on another wall portions of this circulation canal, forms, and has minimum thickness being positioned on two parts between the adjacent rollers; Wherein, each that has in the multiple limiting component of different minimum thickness is placed between each roller, and each limiting component has the identification marking that is used to discern its kind.
The invention provides foregoing linear guide apparatus, wherein, this limiting component according to have different minimum thickness each on color classification.
Description of drawings
Fig. 1 is the perspective view of the linear guide apparatus of first embodiment according to the invention;
Fig. 2 is the front view of linear guide apparatus shown in Figure 1;
Fig. 3 is the cross-sectional view of the III-III line of Fig. 2;
Fig. 4 is the planimetric map of limiting component shown in Figure 3;
Fig. 5 is the front view of limiting component shown in Figure 3;
Fig. 6 is the side view of limiting component shown in Figure 3;
Fig. 7 is the view of the major component of expression linear guide apparatus shown in Figure 1;
Fig. 8 is the view of explanation linear guide apparatus work shown in Figure 1;
Fig. 9 is the perspective view according to second embodiment's of the present invention linear guide apparatus;
Figure 10 is the half sectional view along the horizontal direction of linear guide apparatus shown in Figure 9;
Figure 11 is the enlarged view of E part among Figure 10;
Figure 12 is the side view of limiting component shown in Figure 10;
Figure 13 is the view of the circulation canal of expression linear guide apparatus shown in Figure 9;
Figure 14 is the view of the rolling condition of explanation roller shown in Figure 13;
Figure 15 is the view of the maximum contact length between the lateral parts of the end face part of expression roller shown in Figure 13 and circulation canal;
Figure 16 is the enlarged view that direction shown in Figure 13 changes passage;
Figure 17 is the cross-sectional view along the horizontal direction of roll piece roll channel shown in Figure 13;
Figure 18 is the cross-sectional view along the horizontal direction of roll piece return passage shown in Figure 13;
Figure 19 for expression when the roller deflection, at the maximum stress that produces on the arm portion of limiting component and roller diameter figure with respect to the relation between the ratio of the height of this arm portion;
Figure 20 is the figure of the relation of the ratio of the expression maximum deflection angle of roller and roller diameter and this arm portion height;
Figure 21 is the perspective view according to the 3rd embodiment's of the present invention linear guide apparatus;
Figure 22 is the front view of linear guide apparatus shown in Figure 21;
Figure 23 is the cross-sectional view of the XXIII-XXII line among Figure 22;
Figure 24 is the side view of limiting component shown in Figure 23;
Figure 25 is the view of the major component of expression linear guide apparatus shown in Figure 21;
Figure 26 is the view of the size relationship of explanation limiting component shown in Figure 25;
Figure 27 is the view of the size relationship between the explanation guiding groove shown in Figure 25;
Figure 28 is the view of the size relationship of the core of the lateral external surface of the arm portion of the end of the lateral external surface of the arm portion of explanation limiting component shown in Figure 25 and this limiting component;
Figure 29 is the view of the size relationship of the core of the horizontal internal surface of the arm portion of the end of the horizontal internal surface of the arm portion of explanation limiting component shown in Figure 25 and this limiting component;
Figure 30 is the improved embodiment's of this limiting component of expression figure, and wherein, the lateral external surface end of this arm portion is formed with the surface of tapering;
Figure 31 is the improved embodiment's of this limiting component of expression figure, and wherein, the horizontal internal surface end of this arm portion is formed with the surface of tapering;
Figure 32 is the perspective view according to the 4th embodiment's of the present invention linear guide apparatus;
Figure 33 is the half sectional view along the horizontal direction of linear guide apparatus shown in Figure 32;
Figure 34 is the enlarged view of the B part among Figure 33;
Figure 35 is the side view of limiting component shown in Figure 34;
Figure 36 is the planimetric map of limiting component shown in Figure 35;
Figure 37 is the view of the circulation canal of expression linear guide apparatus shown in Figure 32.
Embodiment
With reference to Fig. 1～Fig. 8 first embodiment of the present invention is described.
In Fig. 1, the linear guide apparatus of first embodiment according to the invention has track 1, slide block 2 and two end caps 3, and slide block 2 has front-end face 2a and ear end face 2b on the longitudinal direction of this track 1.In these two end caps each is connected two end face 2a and the 2b on the fore-and-aft direction of this slide block 2.
Same with track 1, this slide block 2 is made by the steel such as alloyed steel.On a plurality of positions of the upper surface of this slide block 2, make the movable bed tapped hole 6 on one's body that screw that utilization do not illustrate is fixed on this slide block 2 on lathe.Along the horizontal direction of this track 1, the cross section of this slide block 2 forms the shape identical with saddle.Along the horizontal direction of this track 1, each slide block sidewinders surface 7 (referring to Fig. 2), is made of two surfaces 7 on two of this slide block 2 relative horizontal internal surfaces.
Rail side raceway face 5 and slide block sidewinder surface 7 toward each other, and wherein a plurality of rollers 9 are installed in this rail side raceway face 5 and slide block sidewinders between the surface 7.Roller 9 is suitable for along sidewindering roll piece roll channel 10 (referring to Fig. 3) rolling that forms between the surface 7 in this rail side raceway face 5 and slide block, then when slide block 2 when the longitudinal direction of track 1 relatively moves, enter in end cap 3 direction that is used for roll piece that forms and change passage 11.The direction of this roll piece changes passage 11 and bends to U-shaped.The roller 9 that has changed direction along this roll piece direction change passage 11 is back to the origin-location by the roll piece return passage 12 (referring to Fig. 3) that forms in this slide block 2, then along above-mentioned passage repeating scrolling.
Between each roller 9, place the limiting component of making by resin material 15 (referring to Fig. 3).As shown in Figure 4 and Figure 5, each limiting component 15 comprises the limiting component body 16 with parallel with the end face part 91 of roller 9 two lateral parts 161 and 162.As shown in Figure 6, this limiting component body 6 be formed with a roller 9 in two adjacent rollers 9 of restriction circumferential surface first roller limiting surface 17 and be formed with second roller limiting surface 18 of the circumferential surface of another roller 9 in described two adjacent rollers 9 of restriction.
In addition, this limiting component 15 has first arm portion 19 (referring to Fig. 5) that extends from one of them end face part 91 of 161 towards two adjacent rollers 9 of left surface of this limiting component 16.Change two the relative wall surfaces 211 of circulation canal 21 of passage 11 and rolling return passage 12 (referring to Fig. 7) and the core of a wall 211 of 212 in the direction that has roll piece roll channel 10, be used for roll piece, form first guiding groove 22 that utilizes first arm portion 19 guiding limiting components 15.
In addition, this limiting component 15 has on the right flank 162 that is located at this limiting component body 16, second arm portion 20 parallel with first arm portion 19 (referring to Fig. 5).On the core of another wall 212 in two walls 211 and 212 of circulation canal 21 (referring to Fig. 7), form second guiding groove 23 that utilizes these second arm portion, 20 these limiting components 15 of guiding.
The diameter of supposing roller 9 is D
W, the height of this limiting component body 16 on the direction that the axial direction with roller 9 intersects is H
1, the height of first and second arm portions 19,21 on the direction that the axial direction with roller 9 intersects is H
2, and the width of first and second guiding grooves 22,23 on the direction that the axial direction with roller 9 intersects is W, the height H of this limiting component body 16 and arm portion 19,20
1And H
2Be set at the height that satisfies following relationship (1).
(H
1-H
2)/2＜(D
W-W)/2 ...........(1)
H in the formula
1＜D
W
H
2＜W
As mentioned above, when height H with limiting component body 16
1, H
2Height H with this arm portion 19,20
2When being set at the height that satisfies relation (1), because in the movement process of slide block 2, under the situation that distance between two adjacent rollers 9 increases, this limiting component 15 does not sidewinder surface 7 with this rail side raceway face 5 or slide block and contacts, and therefore can suppress the premature wear or the distortion of this limiting component 15.In addition, this limiting component 15 sidewinders the smooth rolling motion that contacting of surface 7 do not hinder roller 9 with rail side raceway face 5 or slide block, and perhaps the wearing and tearing of this limiting component 15 can not make the restriction of 16 pairs of rollers 9 of limiting component reduce.
The height H of the arm portion 19,20 of limiting component 15
2Can reduce, and the arm portion of adjacent limiting component can equally connect by the elephant hide band, so that utilize this arm portion that connects with belt type to connect each limiting component body 16 respectively.
Secondly, with reference to Fig. 9～Figure 20, second embodiment of the present invention is described.
In Fig. 9, the linear guide apparatus of first embodiment according to the invention has track 1, slide block 2 and two end caps 3.Slide block 2 has front-end face 2a and ear end face 2b on the longitudinal direction of this track 1.In these two end caps each is connected on two the end face 2a and 2b on the fore-and-aft direction of this slide block 2.
Same with track 1, this slide block 2 is made by the steel such as alloyed steel.On a plurality of positions of the upper surface of this slide block 2, form and utilize the screw that does not illustrate this slide block 2 to be fixed on the movable bed tapped hole 6 on one's body of lathe.Along the horizontal direction of this track 1, the cross section of this slide block 2 forms and the similar shape of saddle.Along the horizontal direction of this track 1, each slide block sidewinders surface 7 (referring to Figure 10) and is made of two surfaces 7 on two of this slide block 2 relative horizontal internal surfaces.
Rail side raceway face 5 and slide block sidewinder surface 7 toward each other, and a plurality of rollers 9 are installed in this rail side raceway face 5 and slide block sidewinders between the surface 7.Roller 9 is suitable for along sidewindering roll piece roll channel 10 (referring to Figure 13) rolling that forms between the surface 7 in this rail side raceway face 5 and slide block, when the longitudinal direction relative movement of slide block 2, enter the direction that in end cap 3, is used for roll piece and change passage 11 then at track 1.The direction that is used for roll piece changes passage 11 and bends to U-shaped.Direction along this roll piece changes the roller 9 that passage 11 has changed direction, gets back to the origin-location by the roll piece return passage 12 (referring to Figure 13) that forms in this slide block 2, again along above-mentioned passage repeating scrolling.
Between each roller 9, place the limiting component of making by resin material 15 (referring to Fig. 3).Each limiting component 15 comprises the limiting component body 16 with parallel with the end face part 91 of roller 9 two lateral parts 161 and 162.As shown in figure 12, this limiting component body 6 be formed with a roller 9 in two adjacent rollers 9 of restriction circumferential surface first roller limiting surface 17 and be formed with second roller limiting surface 18 of the circumferential surface that limits another roller 9 in these two adjacent rollers 9.
In addition, this limiting component 15 has first arm portion 19 (referring to Figure 12) that stretches out from an end face part 91 of 161 towards two adjacent rollers 9 of left surface of this limiting component body 16.Change in direction on the core of two relative wall surfaces 211 of circulation canal 21 of passage 11 and roll piece return passage 12 (referring to Figure 11) and a wall 211 of 212, form and utilize first arm portion 19 first guiding groove 22 for these limiting component 15 guiding with roll piece roll channel 10, roll piece.
In addition, this limiting component 15 has second parallel with first arm portion 19 (referring to Figure 11) on the right flank 162 that is arranged on this limiting component body 16 arm portion 20. on the core of another wall 212 of two walls 211 of circulation canal 21 (referring to Figure 11) and 212, forms and utilizes second guiding groove 23. of this second arm portion 20 for these limiting component 15 guiding
The diameter of supposing roller 9 is Dw, and the height of first and second arm portions 9,20 on the direction that the axial direction with roller 9 intersects is H
2, the height H of this arm portion 19,21
2Be set at the height that satisfies following relation (2):
0.2≤H
2/D
W≤0.5 .......(2)
Referring now to Figure 14～Figure 20, the work of above-mentioned linear guide apparatus is described.
As shown in figure 14, the diameter of supposing roller 9 is D
WThe length of the chamfered part 92 (referring to Figure 15) that forms on the circumferential surface of roller 9 and the border between the end face is CW, with sidewinder surface 7 from this slide block, the height (being called " circulation canal internal face height " later on) of the internal face of this circulation canal of measuring in Vertical direction is H, can determine maximum contact length B between the side 211,212 of the end face part 91 of this roller 9 and circulation canal 21 from geometry according to following formula:
B＝2((D
W/2-C
W)
2-(D
W/2-H)
2)
0.5 .........(3)
In addition, the axial length of supposing roller 9 is L
W, the right flank 211 and the distance between the left surface 212 of circulation canal 21 are La, can utilize following formula to determine axial clearance Δ a between roller end face 91 and the circulation canal 21:
Δa＝La-L
W ........(4)
In this circulation canal 21, as shown in figure 16, be close under the situation on the wall surface of this circulation canal 21 in roller 9 generation deflections and roller 9, maximum deflection angle θ can represent according to following formula approx:
θ=Δ a/B (radian) .... (5)
Then, the maximum stress σ that produces is described when this limiting component 15 moves in direction change passage 11 with reference to Figure 16 in this arm portion 19,20.
As shown in figure 16, suppose that it is F that direction by the roll piece of end cap 3 changes the power that the excircle guiding cell wall 221,231 of the guiding groove 22,23 in the passage 11 produces on the arm portion 19,20 of this limiting component 15; At this arm portion 19,20 at the point of contact place that the end of arm portion 19,20 contacts with the guiding cell wall 221,231 of guiding groove 22,23 and the wrapping angle of guiding groove 22,23 is β; The axial length of arm portion 19,20 is Sp; Then the maximum stress σ that produces in arm portion 19 to 20 can determine according to following formula approx:
σ＝3D
W·FSinβ/(Sp·H
2 2) .......(6)
Suppose again that in the roll piece roll channel guide wall on two guiding groove 22,23 both sides and the gap length between the arm portion 19,20 are Cp, the diameter D of roller 9
WAnd can be between the clearance C p, and under the situation of as shown in figure 18 mobile part return passage 12, also can set up identical relation by following formula opening relationships.
D
W＝2H+2Cp+H2 (7)
As roller diameter D
W=5.5mm, roller axial length L w=8mm, roller chamfer length C w=0.3mm, interior guiding groove distance L a=8.2mm, arm portion length Sp=0.8mm, when clearance C p=0.1mm between arm portion and the guiding groove and row of rollers number were 4 rows, Figure 19 and Figure 20 illustrated the height H of utilizing linear guide apparatus to check arm portion 19,20
2And the result of the relation between maximum stress σ and the angle of declination θ.
As can be seen from Figure 19, at the height of arm portion 19,20 and the diameter D of roller 9
WRatio, promptly H2/Dw be 0.2 or bigger situation under, maximum stress α can reduce effectively.In addition, as shown in figure 20, work as H2/D
WBe 0.5 or more hour, the angle of declination θ of roller 9 can be suppressed effectively.
The height H of the internal face of circulation canal can determine that it can be with the height H of arm 19,20 according to following formula
2Change and change:
H＝(D
W-2Cp-H2)/2 (7)
From above-mentioned explanation, can find out, by height H first and second arm portions 19,20
2Be defined as the relation of satisfying condition: 0.2≤H2/D
W≤ 0.5 height can suppress roller 9 with the wide-angle deflection.In addition, utilize when roller 9 changes passage 11 rollings along the direction of the roll piece in end cap 3, the frictional force that produces on the contact segment between arm portion 19,20 and the guiding groove 22,23 can suppress the increase of the resistance to motion of slide block 2.
In addition, by the height H 2 of qualification arm portion 19,20 and the diameter D of roller 9
WBetween ratio H2/D
WBe 0.5 or littler, the angle of declination in the time of can making roller 9 deflections is suitable, to suppress the abrasion that sliding friction causes.In addition, by the height H 2 of qualification arm portion 19,20 and the diameter D of roller 9
WRatio H2/D
WBe 0.2 or bigger and 0.5 or littler, can prevent the damage of the arm portion 19,20 of limiting component.
Refer again to Figure 21～29 explanations the 3rd embodiment of the present invention.
In Figure 21, has track 1, slide block 2 and two end caps 3 according to the 3rd embodiment's of the present invention linear guide apparatus.Slide block 2 has front-end face 2a and ear end face 2b on the longitudinal direction of this track 1.In two end caps each is connected in two end face 2a and the 2b on the fore-and-aft direction of this slide block 2.
Same with track 1, this slide block 2 is made by the steel such as alloyed steel.On a plurality of positions of the upper surface of this slide block 2, make the movable bed tapped hole 6 on one's body that screw that utilization do not illustrate is fixed on this slide block 2 on lathe.Along the horizontal direction of this track 1, the cross section of this slide block 2 forms and the similar shape of saddle.Along the horizontal direction of this track 1, each slide block sidewinders surface 7 (referring to Figure 22) and is made of two of this slide block 2 relative horizontal internal surfaces.
Rail side raceway face 5 and slide block sidewinder surface 7 toward each other, and a plurality of rollers are installed in this rail side raceway face 5 and slide block sidewinders between the surface 7.Roller 9 is suitable for along sidewindering roll piece roll channel 10 (referring to Figure 23) rolling that forms between the surface 7 in this rail side raceway face 5 and slide block, when the longitudinal direction relative movement of slide block 2, enter the roll piece direction that in end cap 3, forms and change in the passage 11 then at track 1.The direction of this roll piece changes passage 11 and bends to U-shaped.Change the roller 9 that passage 11 has changed direction along this roll piece direction, get back to the origin-location by the roll piece return passage 12 (referring to Figure 23) that in this slide block 2, forms, again along above-mentioned passage repeating scrolling.
Between each roller 9, place by the limiting component of making such as elastomeric material 15 (referring to Figure 23).Each limiting component 15 comprises the limiting component body 16 (referring to Figure 25) with parallel with the end face part 91 of roller 9 two lateral parts 161 and 162.As shown in figure 24, this limiting component body 6 is formed with first roller limiting surface 17 and second the roller limiting surface 18 that is formed with the circumferential surface that limits another roller 9 in two adjacent rollers 9 of the circumferential surface of a roller 9 in two adjacent rollers 9 of restriction.
In addition, this limiting component 15 has first arm portion 19 (referring to Figure 26) that stretches out from an end face part 91 of 161 towards two adjacent rollers 9 of left surface of this limiting component body 16.Change in direction on the core of two relative wall surfaces 211 of circulation canal 21 of passage 11 and rolling return passage 12 (referring to Figure 25) and a wall 211 of 212, form and utilize first arm portion 19 first guiding groove 22 for these limiting component 15 guiding with roll piece roll channel 10, roll piece.
In addition, this limiting component 15 has the right flank 162 that is arranged at this limiting component body 16, second arm portion 20. parallel with first arm portion 19 (referring to Figure 16) on the core of another wall 212 of two walls 211 of circulation canal 21 (referring to Figure 25) and 212, forms and utilizes second guiding groove 23. of this second arm portion 20 for these limiting component 15 guiding
Suppose that the distance between the outer side surface of the outer side surface of first arm portion 19 and second arm portion 20 is H
3Then as shown in figure 26, the length of the first and second outstanding parts 19,20 is restricted to such length: these first and second arm portions 19, two ends of 20 are positioned at the outside of a circle C1, and the center of circle of this circle is on the core of this limiting component body 16 and have a diameter H
3
In addition, suppose that the distance between the bottom of the bottom of first guiding groove 22 and second guiding groove 23 is H
4Then as shown in figure 27, the length of first and second arm portions 19,20 is restricted to such length: these first and second arm portions 19, two ends of 20 are positioned at the outside of a circle C2, and the center of circle of this circle is on the core of roll piece roll channel 10 and have a diameter H
4
In addition, as shown in figure 28, these first and second arm portions 19, the end portion of 20 outer side surface forms towards first and second guiding grooves 22, the arcuate surface 24 that protrude 23 bottom, like this, the distance H 5 between the end of the outer side surface of terminal and second arm portion 20 of the outer side surface of first arm portion 19 with respect to the pass of the distance H 6 between the core of the outer side surface of the core of the outer side surface of first arm portion 19 and second arm portion 20 is: H5＜H6.
In addition, as shown in figure 29, first and second arm portions 19, the end portion of 20 inner side surface forms the arcuate surface 25 that protrudes towards the end face part 91 of roller 9, like this, distance H 7 between the end of the inner side surface of terminal and second arm portion 20 of the inner side surface of first arm portion 19 with respect to the pass of the distance H 8 between the core of the inner side surface of the core of the inner side surface of first arm portion 19 and second arm portion 20 is: H7＜H8.
As mentioned above, by with first and second arm portions 19,20 length is defined as first and second arm portions 19, two ends of 20 are positioned at the length of the outside of round C1 and circle C2, because when assembling this linear guide apparatus by in roll piece roll channel 10, roll piece return passage 12 etc., alternately assembling roller 9 and limiting component 15, turning down of limiting component 15 be can prevent, this linear guide apparatus and the assembly cost that can reduce this linear guide apparatus therefore can be assembled effectively.
In addition, because when for example in roll piece roll channel 10 or roll piece return passage 12, assembling roller 9 and limiting component 15, first and second arm portions 19, the end portion of 20 outer side surface forms towards first and second guiding grooves 22, the arcuate surface 24 that protrude 23 bottom, therefore, the arm portion 19,20 of this limiting component 15 can not blocked by the end of slide block 2.Therefore, can suppress turning down of this limiting component 15, and can easily roller 9 and limiting component 15 be fitted into roll piece return passage 12 or roll piece roll channel 10, and can prevent this arm portion 19,20 damage, the result can carry out the assembling work of this linear guide apparatus effectively, turning down of limiting component 15 needn't be worried, and assembly cost can be further reduced.
In addition, in the 3rd embodiment, because when roller 9 and limiting component 15 are fitted into roll piece return passage 12 or roll piece roll channel 10, first and second arm portions 19, the end portion of 20 inner side surface forms the arcuate surface 25 that protrudes towards the end face part 91 of roller 9, therefore, and when this arm portion 19, when 20 end should contact with roller 9, can prevent that this limiting component 15 from turning down.Therefore, owing to roller 9 and limiting component 15 easily can be fitted into roll piece return passage 12 or roll piece roll channel 10, and can prevent this arm portion 19,20 damage, therefore can carry out the assembling work of this linear guide apparatus effectively, needn't worry that this limiting component 15 turns down, and can further reduce assembly cost.
In the 3rd above-mentioned embodiment, though in order to suppress swelling of oiling agent and rust preventing agent, use the material of elastomer as limiting component, but the engineering plastics of use such as PA66 are as the material of this limiting component, also can suppress swelling of oiling agent or rust preventing agent. in addition, in order to improve the slip property between every kind of resin material, also can use the plastics that comprise solid-state oil ﹠ fat material as this limiting component.
In addition, in the 3rd embodiment, as shown in figure 30, though first and second arm portions 19, the end portion of 20 outer side surface forms the arc shaped surface 22 that protrudes towards the bottom of these first and second guiding grooves 22,23, but first and second arm portions 19, the end face of 20 outer side surface can form the face 26 of tapering with respect to the bottom of first and second guiding grooves 22,23.In addition, as shown in figure 31, in the 3rd embodiment, though the end portion of the inner side surface of these first and second arm portions 19,20 forms towards these first and second guiding grooves 22, the arcuate surface 25 that protrude 23 bottom, but the end portion of the inner side surface of first and second arm portions 19,20 can form the face 27 of tapering with respect to the bottom of first and second guiding grooves 22,23.
Then, with reference to Figure 32～Figure 37, the 4th embodiment of the present invention is described.
In Figure 32, has track 1, slide block 2 and two end caps 3 according to the 4th embodiment's of the present invention linear guide apparatus.Slide block 2 has front-end face 2a and ear end face 2b on the longitudinal direction of this track 1.In two end caps each is connected on two the end face 2a and 2b on the fore-and-aft direction of this slide block 2.
The same with track 1, this slide block 2 is made by the steel such as alloyed steel.On a plurality of positions of the upper surface of slide block 2, form and utilize the screw that does not illustrate this slide block 2 to be fixed on the movable bed tapped hole 6 on one's body of lathe.Along the horizontal direction of this track 1, the cross section of this slide block 2 forms and the similar shape of saddle.Along the horizontal direction of this track 1, each slide block sidewinders surface 7 (referring to Figure 33) and is made of two surfaces 7 on two of this slide block 2 relative horizontal internal surfaces.
Rail side raceway face 5 and slide block sidewinder surface 7 toward each other, and wherein a plurality of rollers 9 are installed in this rail side raceway face 5 and slide block sidewinders between the surface 7.Roller 9 is suitable for along sidewindering roll piece roll channel 10 (referring to Figure 37) rolling that forms between the surface 7 in this rail side raceway face 5 and slide block, when the longitudinal direction relative movement of slide block 2 at track 1, the direction that enters the roll piece that forms in end cap 3 changes passage 11 then.The direction of this roll piece changes passage 11 and bends to U-shaped.Direction along this roll piece changes the roller 9 that passage 11 has changed direction, gets back to the origin-location by the roll piece return passage 12 (referring to Figure 37) that forms in this slide block 2, again along above-mentioned passage repeating scrolling.
Between each roller 9, place the limiting component of making by resin material 15 (referring to Figure 37).Referring to Figure 36, each limiting component 15 comprises the limiting component body 16 with parallel with the end face part 91 of roller 9 two lateral parts 161 and 162.As shown in figure 35, this limiting component body 6 be formed with a roller 9 in two adjacent rollers 9 of restriction circumferential surface first roller limiting surface 17 and be formed with second roller limiting surface 18 of the circumferential surface of another roller 9 in two adjacent rollers 9 of restriction.
In addition, this limiting component 15 has first arm portion 19 (referring to Figure 36) that stretches out from an end face part 91 of 161 towards two adjacent rollers 9 of left surface of this limiting component 16.Has roll piece roll channel 10, the direction of roll piece changes on the core of two relative wall surfaces 211 of circulation canal 21 of passage 11 and rolling return passage 12 (referring to Figure 34) and a wall 211 of 212, forms and utilizes first arm portion 19 first guiding groove 22 for these limiting component 15 guiding.
In addition, this limiting component 15 has second parallel with first arm portion 19 (referring to Figure 36) on the right flank 162 that is located at this limiting component body 16 arm portion 20. on the core of another wall 212 of two walls 211 of circulation canal 21 (referring to Figure 34) and 212, second guiding groove 23. that it is these limiting component 15 guiding that formation utilizes this second arm portion 20 in addition, limiting component 15 has oil storage hole 30 (referring to Figure 34), and this oil storage hole 30 is formed on the core that roller keeps face 17,18.
The minimum thickness of supposing this limiting component 15 on the part between two adjacent rollers 9 is T, then in the 4th embodiment of the present invention, use to comprise, and mark the identification marking 31 (referring to Figure 35) that is used to discern kind on each limiting component 15 with respect to the thick limiting component of this minimum thickness T and two types limiting component of thin limiting component.
In said structure, the roller (50) that for example ought be 5mm with diameter is assemblied in the circulation canal that length is 289.5mm, and with minimum thickness is that the limiting component (20) of the limiting component (30) of T=0.8mm and minimum thickness T=0.75mm is when being placed between each roller, under the limiting component with T=0.8mm is placed on therebetween situation, distance L c=5.8mm between the center of two rollers adjacent one another are, and under the limiting component with T=0.75mm is placed on therebetween situation, the distance L c=5.57mm between two roller centre adjacent one another are.In this case, the gap at loop direction that produces in circulation canal is 289-(30 * 5.8)-(20 * 5.75)=0.5mm, and can utilize described two types limiting component 15 to set suitable gap on loop direction.
According to above-mentioned design rule, owing to change the tolerance of size of setting on passage 11 or the slide block 2 etc. in direction, after the assembling under the situation of the space change on the loop direction, for example after assembling, when the length of circulation canal increases to 289.7mm, can change the combination of two kinds of limiting components 15, to increase the length (being called row of rollers length) that forms by roller 9 and limiting component 15.
Promptly, when after the limiting component with the limiting component of T=0.8mm and T=0.75mm loads in the circulation canal with roller, when sideshake is 0.7mm, owing to grow 0.2mm with respect to the respective clearance on loop direction, the assembly manipulation person can be recognized the limiting component of T=0.75mm by identification marking 31, so that increase the length of row of rollers.Then, the operator takes out the limiting component of 4 T=0.75mm from circulation canal, and replaces them with the limiting component of T=0.8mm, like this, the gap at loop direction can be controlled to 0.5mm from 0.7mm.In addition, because the checked operation person can find out with the naked eye that by identification marking 31 limiting component of T=0.8mm packs into to such an extent that Duo 4 than criterion numeral, so can be with reference to the assembling work table etc., find out whether carried out corresponding assembling immediately.At the limiting component that from circulation canal, takes out requisite number purpose T=0.8mm, and replace them with the limiting component of T=0.75mm, and with the shorten length of circulation canal to situation less than the design load after the assembling, can be with respect to the length of circulation canal, the linear guide apparatus of trim designs.
In addition, in this linear guide apparatus,, can make the motion stabilization of slide block 2 by preload being applied on the roller 9 of roll piece roll channel 10 rollings.For example, sidewinder distance between the surface 7 because tolerance of size and bigger at the rail side raceway face 5 of track 1 and slide block 2 slide blocks, and must use diameter as the roller 9 of 5.005mm with under the situation that obtains corresponding preload, the length of row of rollers is than the big 0.25mm of reference value of design.In this case, by from circulation canal, taking out the limiting component of 5 T=0.8mm, and with the limiting component replacement of T=0.75mm they, the length of row of rollers can be controlled to design length.The length of row of rollers than the short situation of the reference value of design under, by from circulation canal, taking out the limiting component of requisite number purpose T=0.75mm, and with the limiting component replacement of T=0.8mm they, can assemble the linear guide apparatus that row of rollers length is design load.
In the 4th above-mentioned embodiment, though use two kinds of limiting components, promptly with respect to thick limiting component of minimum thickness T and thin limiting component, this is not restrictive, can use three kinds or the more kinds of limiting component of different minimum thickness T yet.
In addition, though the limiting component 15 that utilizes the different minimum thickness of identification marking 31 identifications has been described in the 4th embodiment, but this recognition mark 31 can omit, and the color that can utilize the different minimum thickness of each type comes limiting component 15 is classified. for example, limiting component also can be by painted resin particle is made by the pigment that mixes multiple or a kind of color in advance. and like this, assembly manipulation person or checked operation person can just recognize the limiting component of different minimum thickness at a glance.
Claims (10)
1. linear guide apparatus, it comprises the track with horizontal left surface and horizontal right flank, the slide block that front-end face and ear end face are arranged on the longitudinal direction of this track, and slide block have with the horizontal left surface that is formed on track and laterally the relative slide block of the rail side raceway face on the right flank sidewinder the surface; Be connected respectively to the front-end face of this slide block and the end cap of ear end face; Relative linear movement with slide block, by sidewindering the circulation canal that the roll piece roll channel that forms between the surface forms at this rail side raceway face and slide block, change a plurality of rollers that roll in the passage in the direction of roll piece return passage that in the slide block of the longitudinal direction of this track, forms and the roll piece that in this end cap, forms; And each all is placed on a plurality of limiting components between the roller; Wherein this limiting component has a limiting component body that horizontal left surface and horizontal right flank are arranged; First arm portion that stretches out and cooperates towards the end face of two adjacent rollers from the horizontal left surface of this limiting component body with first guiding groove that a wall surface part at this circulation canal forms, and on parallel with first arm portion, as to be placed on this limiting component body horizontal right flank and second arm portion that cooperates with second guiding groove of formation on another wall surface part of this circulation canal; Wherein,
The height of first and second arm portions on the direction that the axial direction with roller intersects is defined as to satisfy such condition: 0.2≤H
2/ D
W≤ 0.5, H in the formula
2Be the height of arm portion, D
WDiameter for roller.
2. linear guide apparatus as claimed in claim 1, wherein
The height of this limiting component body and the height of this arm portion are defined as to satisfy such condition: (H
1-H
2)/2＜(D
W-W)/2, and H
1＜D
w, H
2＜W;
H in the formula
1Be the height of this limiting component body on the direction of intersecting with the roller axial direction, H
2Be the height of these first and second arm portions on the direction of intersecting at the axial direction with roller, W is the width of first and second guiding grooves on the direction that the axial direction with roller intersects, and D
WDiameter for roller.
3. linear guide apparatus, it comprises the track with horizontal left surface and horizontal right flank, the slide block that front-end face and ear end face are arranged on the longitudinal direction of this track, and slide block have with the horizontal left surface that is formed on track and laterally the relative slide block of the rail side raceway face on the right flank sidewinder the surface; Be connected to the front-end face of this slide block and the end cap of ear end face; Relative linear movement with slide block, by sidewindering the circulation canal that the roll piece roll channel that forms between the surface forms at this rail side raceway face and slide block, change a plurality of rollers that roll in the passage in the direction of roll piece return passage that in the slide block of the longitudinal direction of this track, forms and the roll piece that in this end cap, forms; And each all is placed on a plurality of limiting components between this roller; Wherein this limiting component has a limiting component body that horizontal left surface and horizontal right flank are arranged; First arm portion that stretches out and cooperates with first guiding groove that a wall surface part at this circulation canal forms towards the end face of two adjacent rollers from the horizontal left surface of this limiting component body is on parallel with this first arm portion, as to be placed on this limiting component body horizontal right flank and second arm portion that cooperates with second guiding groove of formation on another wall surface part of this circulation canal; Wherein
The height of first and second arm portions on the direction that the axial direction with roller intersects is defined as to satisfy such condition: 0.2≤H
2/ D
W≤ 0.5, H in the formula
2Be the height of arm portion, D
WBe the diameter of roller,
Wherein,
The length of these first and second arm portions (L3) is defined as such length: two ends of first and second arm portions are positioned at the outside of a circle, and the circle centre position of this circle is on the core of this limiting component body and have a diameter H
3, H wherein
3Be the distance between the outer side surface of the outer side surface of this first arm portion and this second arm portion.
4. linear guide apparatus as claimed in claim 3, wherein, the length of these first and second arm portions is defined as such length: two ends of first and second arm portions are positioned at the outside of a circle, and the circle centre position of this circle is on the core of this roll piece roll channel and have a diameter H
4, wherein H4 is the distance between the bottom of the bottom of this first guiding groove and second guiding groove.
5. linear guide apparatus as claimed in claim 3, wherein, the distance H between the end portion of the outer side surface of the end portion of the outer side surface of this first arm portion and this second arm portion
5, and the distance H between the core of the outer side surface of the core of the outer side surface of this first arm portion and this second arm portion
6The pass be H
5＜H
6
6. linear guide apparatus as claimed in claim 5, wherein, the end portion of the outer side surface of these first and second arm portions forms the arcuate surface that protrudes towards the bottom of these first and second guiding grooves.
7. linear guide apparatus as claimed in claim 5, wherein, the end portion of the outer side surface of these first and second arm portions forms the surface that tapering is arranged with respect to the bottom of these first and second guiding grooves.
8. linear guide apparatus as claimed in claim 3, wherein, the distance H between the end portion of the inner side surface of the end portion of the inner side surface of this first arm portion and this second arm portion
8, and the distance H between the core of the inner side surface of the core of the inner side surface of this first arm portion and this second arm portion
7The pass be H
7＜H
8
9. linear guide apparatus as claimed in claim 8, wherein, the end portion of the inner side surface of these first and second arm portions forms the arcuate surface that protrudes towards the end face of roller.
10. linear guide apparatus as claimed in claim 8, wherein, the end portion of the inner side surface of these first and second arm portions forms the surface that tapering is arranged with respect to the end face of roller.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003360129A JP2005127338A (en) | 2003-10-21 | 2003-10-21 | Linear guide device |
| JP360129/2003 | 2003-10-21 | ||
| JP2003360124A JP2005127337A (en) | 2003-10-21 | 2003-10-21 | Linear guide device |
| JP360124/2003 | 2003-10-21 | ||
| JP2003395584A JP2005155788A (en) | 2003-11-26 | 2003-11-26 | Linear guide bearing device |
| JP395584/2003 | 2003-11-26 | ||
| JP2003425792A JP2005180656A (en) | 2003-12-22 | 2003-12-22 | Linear guide device |
| JP425792/2003 | 2003-12-22 | ||
| PCT/JP2004/015583 WO2005038276A1 (en) | 2003-10-21 | 2004-10-21 | Linear guide device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1846075A CN1846075A (en) | 2006-10-11 |
| CN1846075B true CN1846075B (en) | 2010-05-05 |
Family
ID=34640531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004800251856A Active CN1846075B (en) | 2003-10-21 | 2004-10-21 | Linear guide device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005127337A (en) |
| CN (1) | CN1846075B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6436949B2 (en) * | 2016-09-02 | 2018-12-12 | 日本ベアリング株式会社 | Linear motion device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1380232A (en) * | 2001-04-11 | 2002-11-20 | Thk株式会社 | Rolling guide apparatus and roller connector |
-
2003
- 2003-10-21 JP JP2003360124A patent/JP2005127337A/en active Pending
-
2004
- 2004-10-21 CN CN2004800251856A patent/CN1846075B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1380232A (en) * | 2001-04-11 | 2002-11-20 | Thk株式会社 | Rolling guide apparatus and roller connector |
Non-Patent Citations (5)
| Title |
|---|
| JP实开昭48-104943U 1973.12.06 |
| JP昭40-24405B1 1965.10.26 |
| JP特开2002-339967A 2002.11.27 |
| JP特开2003-269463A 2003.09.25 |
| JP特开平11-247855A 1999.09.14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005127337A (en) | 2005-05-19 |
| CN1846075A (en) | 2006-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7637662B2 (en) | Rolling guide unit | |
| US6217217B1 (en) | Linear roller guide | |
| US6113274A (en) | Linear guideway having spacers and spacer ball | |
| US7980763B2 (en) | Motion guide device | |
| US7467895B2 (en) | Separator and linear guide apparatus | |
| US7771119B2 (en) | Linear guide apparatus | |
| US7108426B2 (en) | Guide unit | |
| US10400820B2 (en) | Linear motion guide unit | |
| CN1846075B (en) | Linear guide device | |
| US7721874B2 (en) | Roller chain for a linear guideway | |
| US6371648B1 (en) | Linear guide device | |
| EP1347188B1 (en) | Linear motion guide unit with separator between any two adjoining rollers | |
| CN111503146B (en) | Linear motion guide unit and method for manufacturing same | |
| JP2007162920A (en) | Roller bearing | |
| KR100742908B1 (en) | Sliding apparatus | |
| KR20060119494A (en) | A groove linear bushing shaft of the high-precision | |
| US20180245633A1 (en) | Linear motion guide unit | |
| US11199222B2 (en) | Motion guide device | |
| EP1677016B1 (en) | Linear guide device | |
| US6979127B2 (en) | Bearing element for a linear guide | |
| JP5223713B2 (en) | Linear motion guide device | |
| US7896549B2 (en) | Parallel spacer for a linear guideway | |
| CN221299824U (en) | Guide rail frame and linear guide rail pair | |
| JP2008223878A (en) | Linear motion guide | |
| JP2009030718A (en) | Linear guide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |