JPH0253517U - - Google Patents
Info
- Publication number
- JPH0253517U JPH0253517U JP1988132476U JP13247688U JPH0253517U JP H0253517 U JPH0253517 U JP H0253517U JP 1988132476 U JP1988132476 U JP 1988132476U JP 13247688 U JP13247688 U JP 13247688U JP H0253517 U JPH0253517 U JP H0253517U
- Authority
- JP
- Japan
- Prior art keywords
- ball rolling
- ball
- rolling groove
- groove
- grooves
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 claims description 17
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
- F16C29/0604—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0633—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
- F16C29/0635—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end
- F16C29/0638—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls
- F16C29/064—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls with two rows of balls, one on each side of the rail
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/063—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body, e.g. a carriage or part thereof, provided between the legs of a U-shaped guide rail or track
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Description
第１図ないし第５図は本考案の第１実施例を示
し、第１図は一部を切除して示す正面図、第２図
は第１図の−線断面図、第３図はボール転動
溝の態様を模式的に表す側面図、第４図は第３図
の−線断面図、第５図は第３図の−線断
面図、第６図、第７図はボール転動溝の他の例を
示す要部断面図、第８図、第９図はボール転動溝
の更に他の例を示す要部断面図、第１０図、第１
１図はボール転動溝の更に又他の例を示す要部断
面図、第１２図は軽量形リニアガイド装置に適用
した例を半断面で示す正面図である。
１は案内レール、２はスライダ、２Ａはスライ
ダ本体、３は（案内レールの）ボール転動溝、４
は（スライダの）ボール転動溝、５はボール戻り
通路、６は湾曲路、７はボール。
1 to 5 show a first embodiment of the present invention, in which FIG. 1 is a partially cutaway front view, FIG. 2 is a cross-sectional view taken along the - line in FIG. A side view schematically showing the aspect of the rolling groove, FIG. 4 is a sectional view taken along the line - - in FIG. 3, FIG. 5 is a sectional view taken along the - line in FIG. FIGS. 8 and 9 are cross-sectional views of main parts showing other examples of grooves, and FIGS. 10 and 1 are cross-sectional views of main parts showing still other examples of ball rolling grooves.
FIG. 1 is a cross-sectional view of a main part showing still another example of a ball rolling groove, and FIG. 12 is a front view showing a half cross-section of an example applied to a lightweight linear guide device. 1 is a guide rail, 2 is a slider, 2A is a slider body, 3 is a ball rolling groove (of the guide rail), 4
5 is a ball rolling groove (of the slider), 5 is a ball return path, 6 is a curved path, and 7 is a ball.
Claims (1)
された案内レールと、該案内レールに軸方向に移
動可能に遊嵌されるとともに、前記案内レールの
ボール転動溝に対向するボール転動溝を側面に、
及びこれに平行するボール戻り通路を肉厚内に有
し且つ、該ボール戻り通路と前記ボール転動溝と
をそれぞれの端末において連通させる半ドーナツ
状の湾曲路を軸方向端部に有するスライダと、前
記対向する両ボール転動溝に嵌合され転動自在に
配された多数のボールとを備えたリニアガイド装
置において、 前記スライダのボール転動溝は、軸方向の中央
部において溝の一方の片フランク面のみがボール
と接触したボール転動面とされ、中央部を除いた
両端側において、ボール転動溝の他方の片フラン
ク面のみがボール転動面となるように形成され、
前記互いに対向する両ボール転動溝に嵌合された
ボールが、両溝面と２点又は３点接触となるよう
に構成されていることを特徴とするリニアガイド
装置。 (2) 前記案内レールのボール転動溝と、これに
対向するスライダのボール転動溝は、単列溝であ
ることを特徴とする請求項(1)記載のリニアガイ
ド装置。[Claims for Utility Model Registration] (1) A guide rail having a ball rolling groove on the side surface and extending in the axial direction; Ball rolling groove opposite to the ball rolling groove on the side,
and a slider having a ball return passage in its wall thickness parallel to the ball return passage, and a semi-doughnut-shaped curved passage at its axial end that communicates the ball return passage with the ball rolling groove at each end; , a linear guide device comprising a large number of balls fitted in both opposing ball rolling grooves and arranged so as to be freely rollable, wherein the ball rolling groove of the slider is arranged in one of the grooves in the axially central part. Only one flank surface of the groove is formed as a ball rolling surface in contact with the ball, and only the other flank surface of the ball rolling groove on both end sides excluding the center portion is formed as a ball rolling surface,
A linear guide device characterized in that the balls fitted in the mutually opposing ball rolling grooves are configured to come into contact with both groove surfaces at two or three points. (2) The linear guide device according to claim 1, wherein the ball rolling groove of the guide rail and the ball rolling groove of the slider opposing thereto are single-row grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988132476U JPH0253517U (en) | 1988-10-11 | 1988-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988132476U JPH0253517U (en) | 1988-10-11 | 1988-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0253517U true JPH0253517U (en) | 1990-04-18 |
Family
ID=31389472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988132476U Pending JPH0253517U (en) | 1988-10-11 | 1988-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0253517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000029756A1 (en) * | 1997-05-15 | 2000-05-25 | Thk Co., Ltd. | Linear motion guide apparatus and table transfer apparatus |
-
1988
- 1988-10-11 JP JP1988132476U patent/JPH0253517U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000029756A1 (en) * | 1997-05-15 | 2000-05-25 | Thk Co., Ltd. | Linear motion guide apparatus and table transfer apparatus |