JPH0352002U - - Google Patents
Info
- Publication number
- JPH0352002U JPH0352002U JP11031289U JP11031289U JPH0352002U JP H0352002 U JPH0352002 U JP H0352002U JP 11031289 U JP11031289 U JP 11031289U JP 11031289 U JP11031289 U JP 11031289U JP H0352002 U JPH0352002 U JP H0352002U
- Authority
- JP
- Japan
- Prior art keywords
- spindle
- machine tool
- rotation speed
- speed detection
- spindle head
- 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
Landscapes
- Turning (AREA)
- Machine Tool Units (AREA)
- Automatic Control Of Machine Tools (AREA)
Description
第１図は本考案の１実施例を示す概念図であり
、第２図と第３図とはそれぞれ従来の高速回転用
主軸ユニツトを示す断面図とアンギユラ玉軸受を
示す拡大部分断面図である。そして、第４図は主
軸の回転数に対する移動量を示すグラフである。
図中、１……主軸、４……主軸頭、５ａ〜５ｂ
……アンギユラ玉軸受、１６……送りユニツト、
１７……主軸頭駆動装置、１８……主軸回転数検
出装置、１９……制御駆動装置である。
FIG. 1 is a conceptual diagram showing one embodiment of the present invention, and FIGS. 2 and 3 are a sectional view showing a conventional high-speed rotation spindle unit and an enlarged partial sectional view showing an angular ball bearing, respectively. . FIG. 4 is a graph showing the amount of movement of the main shaft relative to the rotational speed. In the figure, 1... main shaft, 4... main shaft head, 5a to 5b
...Anguilla ball bearing, 16...Feed unit,
17... Spindle head drive device, 18... Spindle rotation speed detection device, 19... Control drive device.
Claims (1)
された工作機械の主軸ユニツトにおいて、前記主
軸の回転に伴つて生ずる軸方向のずれを解消すべ
く、 前記主軸の回転数を検出する主軸回転数検出手
段と、 前記主軸頭を軸方向に移動させる主軸頭移動手
段と、 前記主軸回転数検出手段により検出された検出
結果に基づき主軸の軸方向変位を演算し、この軸
方向変位を補正するように前記主軸頭移動手段を
駆動する制御駆動手段と を具えたことを特徴とする工作機械の主軸ユニツ
ト。[Claims for Utility Model Registration] In a spindle unit of a machine tool in which the spindle is supported by the spindle head via an angular ball bearing, rotation of the spindle is provided in order to eliminate axial deviation that occurs as the spindle rotates. a spindle rotation speed detection means for detecting the number of spindle rotations, a spindle head moving means for moving the spindle head in the axial direction, and an axial displacement of the spindle based on the detection results detected by the spindle rotation speed detection means; 1. A spindle unit for a machine tool, comprising control drive means for driving the spindle head moving means so as to correct axial displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11031289U JPH0352002U (en) | 1989-09-22 | 1989-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11031289U JPH0352002U (en) | 1989-09-22 | 1989-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0352002U true JPH0352002U (en) | 1991-05-21 |
Family
ID=31658852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11031289U Pending JPH0352002U (en) | 1989-09-22 | 1989-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352002U (en) |
-
1989
- 1989-09-22 JP JP11031289U patent/JPH0352002U/ja active Pending
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