JPH0235652U - - Google Patents
Info
- Publication number
- JPH0235652U JPH0235652U JP11550988U JP11550988U JPH0235652U JP H0235652 U JPH0235652 U JP H0235652U JP 11550988 U JP11550988 U JP 11550988U JP 11550988 U JP11550988 U JP 11550988U JP H0235652 U JPH0235652 U JP H0235652U
- Authority
- JP
- Japan
- Prior art keywords
- springs
- axis
- vibration isolation
- positioning device
- spring
- 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
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims 2
- 238000013016 damping Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案にかかるＸＹテーブルの側面図
（第７図のＡ方向から見たもの）。第２図は第１
図における本考案にかかる部分の拡大図。第３図
は第２図におけるＣ―Ｃ断面図。第４図は非線形
のバネ常数を有するバネの特性図。第５図は本考
案に係る振動系の模型図。第６図は本考案の効果
を表す起動、停止時の速度線図。第７図は本考案
のベースとなるＸ―Ｙテーブルの立体図。第８図
は従来技術を示す側面図。第９図は従来技術に於
ける起動、停止時の速度線図。
２…下部の軸（Ｙ軸）移動体、２２…上部の軸
（Ｘ軸）移動体、４…小振動体、５，６…バネ、
｛３…調整ブラケツト、８…調整ネジ、９…モー
タ｝バネの設定荷重を変えるための駆動機構。
FIG. 1 is a side view of the XY table according to the present invention (as seen from direction A in FIG. 7). Figure 2 is the first
An enlarged view of the part related to the present invention in the figure. FIG. 3 is a sectional view taken along the line CC in FIG. 2. FIG. 4 is a characteristic diagram of a spring with a nonlinear spring constant. FIG. 5 is a model diagram of the vibration system according to the present invention. FIG. 6 is a speed diagram at startup and stop showing the effect of the present invention. Figure 7 is a three-dimensional diagram of the XY table that is the basis of this invention. FIG. 8 is a side view showing the prior art. FIG. 9 is a speed diagram at startup and stop in the prior art. 2... Lower axis (Y-axis) moving body, 22... Upper axis (X-axis) moving body, 4... Small vibrator, 5, 6... Spring,
{3...Adjustment bracket, 8...Adjustment screw, 9...Motor} A drive mechanism for changing the set load of the spring.
Claims (1)
に於いて下部の軸（Ｙ軸）２にその駆動方向と同
じ方向に移動可能な小振動体４をバネ５，６を介
して取付けた防振機構を有する位置決め装置。 (2) バネ５，６を非線形なバネ常数を有するバ
ネとし、バネの設定荷重を変えるための駆動機構
３，８，９を備え上部の軸（Ｘ軸）２２の位置に
応じてバネ常数を変更し、系の固有振動数の変化
に応じてダンピングを常に最適に保たせた防振機
構を有する位置決め装置。[Claims for Utility Model Registration] (1) In a positioning mechanism for an X-Y table with a portal structure, a small vibrating body 4 movable in the same direction as the drive direction is attached to the lower shaft (Y-axis) 2 using a spring. A positioning device having a vibration isolation mechanism attached via 5 and 6. (2) The springs 5 and 6 are springs with nonlinear spring constants, and are equipped with drive mechanisms 3, 8, and 9 for changing the set load of the springs, and the spring constants are adjusted according to the position of the upper axis (X-axis) 22. A positioning device with a vibration isolation mechanism that constantly maintains optimal damping according to changes in the natural frequency of the system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11550988U JPH0235652U (en) | 1988-08-31 | 1988-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11550988U JPH0235652U (en) | 1988-08-31 | 1988-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235652U true JPH0235652U (en) | 1990-03-07 |
Family
ID=31357233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11550988U Pending JPH0235652U (en) | 1988-08-31 | 1988-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09186488A (en) * | 1996-01-08 | 1997-07-15 | Matsushita Electric Ind Co Ltd | Mounting device for electronic parts |
| JP2011079099A (en) * | 2009-10-08 | 2011-04-21 | Hitachi Ltd | Machine tool |
-
1988
- 1988-08-31 JP JP11550988U patent/JPH0235652U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09186488A (en) * | 1996-01-08 | 1997-07-15 | Matsushita Electric Ind Co Ltd | Mounting device for electronic parts |
| JP2011079099A (en) * | 2009-10-08 | 2011-04-21 | Hitachi Ltd | Machine tool |
| US8967927B2 (en) | 2009-10-08 | 2015-03-03 | Hitachi, Ltd. | Machine tool |
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