JPH02150452U - - Google Patents
Info
- Publication number
- JPH02150452U JPH02150452U JP5722789U JP5722789U JPH02150452U JP H02150452 U JPH02150452 U JP H02150452U JP 5722789 U JP5722789 U JP 5722789U JP 5722789 U JP5722789 U JP 5722789U JP H02150452 U JPH02150452 U JP H02150452U
- Authority
- JP
- Japan
- Prior art keywords
- balls
- thread groove
- nut
- screw shaft
- thread
- 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
- 239000000919 ceramic Substances 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 239000000314 lubricant Substances 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Description
第１図は本考案の一実施例を示す図で第２図の
要部断面図、第２図は同じくボールねじ全体の斜
視図、第３図は第１図および第２図のボールねじ
の循環ピースの斜視図、第４図は本考案の他の実
施例を示す要部断面図、第５図は第４図のボール
ねじの循環ピースの斜視図である。
１……ねじ軸、２……ねじ溝、３……ナツト、
４……ねじ溝、５……ねじ状空間、６……ボール
、７，１７……軌道面、８，１８……循環ピース
、９……補助ボール。
Fig. 1 is a diagram showing an embodiment of the present invention, and Fig. 2 is a sectional view of the main part, Fig. 2 is a perspective view of the entire ball screw, and Fig. 3 is a view of the ball screw shown in Figs. 1 and 2. FIG. 4 is a sectional view of essential parts showing another embodiment of the present invention, and FIG. 5 is a perspective view of the circulation piece of the ball screw shown in FIG. 4. 1...Screw shaft, 2...Thread groove, 3...Nut,
4... Thread groove, 5... Thread-shaped space, 6... Ball, 7, 17... Raceway surface, 8, 18... Circulation piece, 9... Auxiliary ball.
Claims (1)
構成されるねじ状空間に多数のボールを収容する
とともに、ねじ軸とナツトおよびボールの各摩擦
面に固体潤滑被膜処理を施したボールねじにおい
て、多数のボールのなかに多孔質セラミツクス製
の補助ボールを混在させたことを特徴とするボー
ルねじ。 (2) ねじ軸側のねじ溝とナツト側のねじ溝とで
構成されるねじ状空間に多数のボールを収容する
とともに、ねじ軸とナツトおよびボールの各摩擦
面に固体潤滑被膜処理を施したボールねじにおい
て、ナツト側のねじ溝の一部を多孔質セラミツク
スで形成したことを特徴とするボールねじ。[Scope of Claim for Utility Model Registration] (1) A large number of balls are accommodated in a thread-shaped space consisting of a thread groove on the screw shaft side and a thread groove on the nut side, and each friction surface of the screw shaft, nut, and ball A ball screw treated with a solid lubricant coating, characterized in that auxiliary balls made of porous ceramics are mixed among a large number of balls. (2) A large number of balls are housed in a thread-shaped space consisting of a thread groove on the screw shaft side and a thread groove on the nut side, and a solid lubricant coating is applied to the friction surfaces of the screw shaft, nut, and balls. A ball screw characterized in that a part of the thread groove on the nut side is formed of porous ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5722789U JPH02150452U (en) | 1989-05-18 | 1989-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5722789U JPH02150452U (en) | 1989-05-18 | 1989-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02150452U true JPH02150452U (en) | 1990-12-26 |
Family
ID=31581749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5722789U Pending JPH02150452U (en) | 1989-05-18 | 1989-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02150452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006349148A (en) * | 2005-06-20 | 2006-12-28 | Nsk Ltd | Ball screw device |
-
1989
- 1989-05-18 JP JP5722789U patent/JPH02150452U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006349148A (en) * | 2005-06-20 | 2006-12-28 | Nsk Ltd | Ball screw device |