JPH0470403U - - Google Patents
Info
- Publication number
- JPH0470403U JPH0470403U JP1990113552U JP11355290U JPH0470403U JP H0470403 U JPH0470403 U JP H0470403U JP 1990113552 U JP1990113552 U JP 1990113552U JP 11355290 U JP11355290 U JP 11355290U JP H0470403 U JPH0470403 U JP H0470403U
- Authority
- JP
- Japan
- Prior art keywords
- tailstock
- center
- spindle
- advancing
- cylinder
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Gripping On Spindles (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Turning (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Description
第１図は本考案が適用される工作機械の一例を
示す要部断面側面図、第２図はブレーキ装置の側
面図、第３図は本考案の回路図である。
１……主軸、３……主軸センタ、４……チヤツ
ク装置、５……駆動金具、８……キー溝、９……
心押台、９ａ……ラム、１０……心押台センタ、
１２……ブレーキ装置、２１……心押台センタ進
退用シリンダ、２２……流体圧切替弁、２３……
固定絞り、２４……圧抜き回路、２５……減圧切
換弁、２６……チエツク弁、２７ａ，２７ｂ……
接続ライン。
FIG. 1 is a cross-sectional side view of a main part showing an example of a machine tool to which the present invention is applied, FIG. 2 is a side view of a brake device, and FIG. 3 is a circuit diagram of the present invention. 1...Spindle, 3...Spindle center, 4...Chuck device, 5...Drive fitting, 8...Keyway, 9...
Tailstock, 9a... Ram, 10... Tailstock center,
12...brake device, 21...tailstock center advance/retreat cylinder, 22...fluid pressure switching valve, 23...
Fixed throttle, 24...Pressure relief circuit, 25...Pressure reduction switching valve, 26...Check valve, 27a, 27b...
connection line.
Claims (1)
前記主軸上に設けられワークのキー溝に係脱する
駆動金具と、前記主軸センタと対向する心押台セ
ンタを進退制御する心押台センタ進退用シリンダ
を備えた心押台と、前記主軸と心押台との間に配
置され主軸センタと心押台センタとに支持された
ワークの回転を制動するブレーキ装置とを備え、
前記心押台センタ進退用シリンダに前進及び後退
用の圧力流体を給排制御する流体圧切替弁と、前
記駆動金具を前記キー溝に係合させる時に前記心
押台センタ進退用シリンダの前進用流体圧通路を
低圧にする制御手段とを備えたことを特徴とする
心押台加圧力制御装置。 A spindle, a spindle center attached to this spindle,
a tailstock provided with a drive metal fitting provided on the main spindle that engages and disengages from a keyway of a workpiece, a tailstock center advance/retreat cylinder that controls advance/retreat of a tailstock center facing the main spindle center; a brake device disposed between the tailstock and the workpiece supported by the spindle center and the tailstock center;
a fluid pressure switching valve for controlling the supply and discharge of pressure fluid for forward and backward movement to the cylinder for advancing and retracting the tailstock center; and a fluid pressure switching valve for advancing the cylinder for advancing and retracting the tailstock center when the drive fitting is engaged with the keyway. 1. A tailstock pressure control device comprising: a control means for reducing pressure in a fluid pressure passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990113552U JPH0746401Y2 (en) | 1990-10-31 | 1990-10-31 | Tailstock force control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990113552U JPH0746401Y2 (en) | 1990-10-31 | 1990-10-31 | Tailstock force control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0470403U true JPH0470403U (en) | 1992-06-22 |
| JPH0746401Y2 JPH0746401Y2 (en) | 1995-10-25 |
Family
ID=31861155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990113552U Expired - Fee Related JPH0746401Y2 (en) | 1990-10-31 | 1990-10-31 | Tailstock force control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0746401Y2 (en) |
-
1990
- 1990-10-31 JP JP1990113552U patent/JPH0746401Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0746401Y2 (en) | 1995-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0470403U (en) | ||
| JPS5841042Y2 (en) | Tailstock | |
| JPS6031844Y2 (en) | Tailstock | |
| JPH0362696U (en) | ||
| JPH0187845U (en) | ||
| JPS6035569Y2 (en) | Coolant supply device | |
| JPS5920913Y2 (en) | Clamp device with built-in pressure increase mechanism | |
| JPH0120019Y2 (en) | ||
| JPH0314246Y2 (en) | ||
| JPH045343U (en) | ||
| JPH02107416U (en) | ||
| JPS61148549U (en) | ||
| JPH0627327Y2 (en) | Air motor shock absorber | |
| JPH01127683U (en) | ||
| RU1838050C (en) | Tail-stock | |
| JPS63172553U (en) | ||
| JPS646806U (en) | ||
| JPH0311542U (en) | ||
| JPH0381220U (en) | ||
| JPH0442465U (en) | ||
| JPS6454919U (en) | ||
| JPH0463204U (en) | ||
| JPS61195953U (en) | ||
| JPH0442397U (en) | ||
| JPS6239935U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |