JPH0256504U - - Google Patents
Info
- Publication number
- JPH0256504U JPH0256504U JP13598188U JP13598188U JPH0256504U JP H0256504 U JPH0256504 U JP H0256504U JP 13598188 U JP13598188 U JP 13598188U JP 13598188 U JP13598188 U JP 13598188U JP H0256504 U JPH0256504 U JP H0256504U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- headstock
- built
- main shaft
- middle bearing
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Turning (AREA)
Description
第１図は３点支持のビルトイン形主軸台の断面
図、第２図は３点支持のビルトイン形で且ユニツ
ト化した主軸台の断面図、第３図は２点支持のビ
ルトイン形主軸台の断面図、第４図、第５図は軸
受間距離と主軸端荷重による撓みとの関係を示す
図である。
１，２１…主軸台、２，２２…前ハウジング、
３，２３…前軸受、４，２４…中軸受、６，２５
…主軸、８，２７…ロータ、９，２８…テーパス
リーブ、１２，３３…後軸受。
Figure 1 is a cross-sectional view of a built-in type headstock with three-point support, Figure 2 is a cross-sectional view of a built-in headstock with three-point support and is integrated into a unit, and Figure 3 is a cross-sectional view of a built-in type headstock with two-point support. The cross-sectional views, FIG. 4, and FIG. 5 are diagrams showing the relationship between the distance between bearings and the deflection due to the main shaft end load. 1, 21... Headstock, 2, 22... Front housing,
3,23...Front bearing, 4,24...Middle bearing, 6,25
...Main shaft, 8, 27... Rotor, 9, 28... Taper sleeve, 12, 33... Rear bearing.
Claims (1)
軸受間を切削力による撓みの小さくなる最適軸受
間距離に設け中軸受と後軸受との間に主軸駆動モ
ータをビルトインしてなることを特徴とする主軸
台。 In the headstock of a machine tool, the front bearing and middle bearing of the main spindle are set at an optimum distance between the bearings to reduce deflection due to cutting force, and a main shaft drive motor is built in between the middle bearing and the rear bearing. headstock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988135981U JPH0650083Y2 (en) | 1988-10-18 | 1988-10-18 | Headstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988135981U JPH0650083Y2 (en) | 1988-10-18 | 1988-10-18 | Headstock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0256504U true JPH0256504U (en) | 1990-04-24 |
| JPH0650083Y2 JPH0650083Y2 (en) | 1994-12-21 |
Family
ID=31396068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988135981U Expired - Lifetime JPH0650083Y2 (en) | 1988-10-18 | 1988-10-18 | Headstock |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0650083Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05200605A (en) * | 1991-07-08 | 1993-08-10 | Gildemeister Ag | Work spindle of rotary machine |
| JP2006212715A (en) * | 2005-02-01 | 2006-08-17 | Komatsu Machinery Corp | Crankshaft machining device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55144906A (en) * | 1979-04-25 | 1980-11-12 | Makino Milling Mach Co Ltd | Spindle device for machine tool |
-
1988
- 1988-10-18 JP JP1988135981U patent/JPH0650083Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55144906A (en) * | 1979-04-25 | 1980-11-12 | Makino Milling Mach Co Ltd | Spindle device for machine tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05200605A (en) * | 1991-07-08 | 1993-08-10 | Gildemeister Ag | Work spindle of rotary machine |
| JP2006212715A (en) * | 2005-02-01 | 2006-08-17 | Komatsu Machinery Corp | Crankshaft machining device |
| JP4551783B2 (en) * | 2005-02-01 | 2010-09-29 | コマツ工機株式会社 | Crankshaft processing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0650083Y2 (en) | 1994-12-21 |