July 25, ’03
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July 25, ’03 KEK H. Yamaoka. Reference Block. Al. SUS. Isolator. No. Spring Constant (N/mm). Allowable Load (N). Z. Y. X. Z. Y. X. EC4001. 125. 98. 37. 490. 290. 195. EC4002. 235. 180. 69. 1250. 735. 490. EC4003. 340. 235. 93. 1850. 980. 635. EC4004. 490. 325.

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Reference block

July 25, ’03

KEK H. Yamaoka

Reference Block


Reference block

Al

SUS


Reference block

Isolator


Reference block

No.

Spring Constant (N/mm)

Allowable Load (N)

Z

Y

X

Z

Y

X

EC4001

125

98

37

490

290

195

EC4002

235

180

69

1250

735

490

EC4003

340

235

93

1850

980

635

EC4004

490

325

115

2900

1450

830

EC4005

585

400

160

4100

2050

1400


Reference block

= acoswt

TR: Transmissibility, TR < 0.1

A : Amplitude(Response)

a : Amplitude(Input)


Reference block

ANSYS Calculation

Z

Fixed!!

X

Y


Reference block

k= 98N/mm

k= 37N/mm

Isolators

Z

k= 125N/mm

X

Y


Reference block

1st: 62Hz

4th: 263Hz

2nd: 69Hz

5th: 461Hz

3rd: 103Hz

6th: 481Hz


Reference block

1st: 4.8Hz

13th: 203Hz

2nd: 5.5Hz

15th: 341Hz

3rd: 13Hz

16th: 403Hz


Reference block

Spectrum Analysis

Input:

(X, Y, Z- directions)


Reference block

Results(Absolute value)

X-Direction

C

R

L

Z

Fixed

Y

X

Y-Direction

Z-Direction


Reference block

C

R

L

X-Direction

k= 98N/mm

k= 37N/mm

Z

k= 125N/mm

Y

X

Fixed

Y-Direction

Z-Direction


Reference block

Integration Amplitude

X-Direction

C

R

L

Z

Fixed

Y

X

Z-Direction

Y-Direction


Reference block

C

R

L

X-Direction

k= 98N/mm

k= 37N/mm

Z

k= 125N/mm

Y

X

Fixed

Y-Direction

Z-Direction


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