JPH01154465U - - Google Patents
Info
- Publication number
- JPH01154465U JPH01154465U JP4993088U JP4993088U JPH01154465U JP H01154465 U JPH01154465 U JP H01154465U JP 4993088 U JP4993088 U JP 4993088U JP 4993088 U JP4993088 U JP 4993088U JP H01154465 U JPH01154465 U JP H01154465U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- spindle
- nut
- axial direction
- uneven portion
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims 1
Landscapes
- Transmission Devices (AREA)
Description
第１図は本考案の回転数検出装置の要部を示す
拡大図、第２図は第１図の−線のナツトを示
す平面図、第３図はエアスピンドルを示す概略図
、第４図は従来の回転数検出装置を示す拡大図で
ある。
図中、１はスピンドル、２はエアタービン、１
３はナツト、１４は一側面部、１５は他側面部、
１６は凹凸部、１９は回転数検出手段である。
Fig. 1 is an enlarged view showing the main parts of the rotation speed detection device of the present invention, Fig. 2 is a plan view showing the nut indicated by the - line in Fig. 1, Fig. 3 is a schematic view showing the air spindle, Fig. 4 is an enlarged view showing a conventional rotation speed detection device. In the figure, 1 is a spindle, 2 is an air turbine, 1
3 is a nut, 14 is one side part, 15 is the other side part,
16 is an uneven portion, and 19 is a rotation speed detection means.
Claims (1)
該スピンドルに取り付けられるエアタービンに一
側面部を係合させて保持するためのナツトと、該
ナツトの他側面部に等角度毎に凹部と凸部とが交
互に形成された凹凸部と、該凹凸部から上記軸方
向に所定距離離間されて支持され、凹凸部が回転
して上記離間距離が変化することにより回転数を
検出する回転数検出手段とを備えたことを特徴と
するエアスピンドルの回転数検出装置。 provided at one end of the spindle in its axial direction;
a nut for engaging and holding one side of the air turbine attached to the spindle; a concavo-convex portion having concave portions and convex portions alternately formed at equal angles on the other side of the nut; An air spindle comprising a rotation speed detecting means supported at a predetermined distance in the axial direction from the uneven portion and detecting the rotation speed by rotating the uneven portion and changing the separation distance. Rotation speed detection device.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4993088U JPH01154465U (en) | 1988-04-15 | 1988-04-15 | |
| US07/324,149 US5020968A (en) | 1988-04-15 | 1989-03-16 | System for controlling the rotating speed of a pneumatically driven spindle |
| GB8906356A GB2218208A (en) | 1988-04-15 | 1989-03-20 | Detecting and controlling the rotational speed of a pneumatically driven spindle |
| DE3911383A DE3911383A1 (en) | 1988-04-15 | 1989-04-07 | DEVICE FOR DETECTING AND CONTROLLING THE SPEED OF A PNEUMATICALLY DRIVEN SPINDLE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4993088U JPH01154465U (en) | 1988-04-15 | 1988-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01154465U true JPH01154465U (en) | 1989-10-24 |
Family
ID=31276011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4993088U Pending JPH01154465U (en) | 1988-04-15 | 1988-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01154465U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008508509A (en) * | 2004-07-28 | 2008-03-21 | ジーエスアイ グループ リミテッド | Machining spindle speed detector |
| JP2018509302A (en) * | 2015-01-23 | 2018-04-05 | コリブリ スピンドルズ リミテッド | Machining center, fluid-driven spindle system, machining center conversion kit, and method of using wireless sensors for access control |
-
1988
- 1988-04-15 JP JP4993088U patent/JPH01154465U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008508509A (en) * | 2004-07-28 | 2008-03-21 | ジーエスアイ グループ リミテッド | Machining spindle speed detector |
| JP2018509302A (en) * | 2015-01-23 | 2018-04-05 | コリブリ スピンドルズ リミテッド | Machining center, fluid-driven spindle system, machining center conversion kit, and method of using wireless sensors for access control |