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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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July 25, ’03

KEK H. Yamaoka

Reference Block


Al

SUS



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


= acoswt

TR: Transmissibility, TR < 0.1

A : Amplitude(Response)

a : Amplitude(Input)


ANSYS Calculation

Z

Fixed!!

X

Y


k= 98N/mm

k= 37N/mm

Isolators

Z

k= 125N/mm

X

Y


1st: 62Hz

4th: 263Hz

2nd: 69Hz

5th: 461Hz

3rd: 103Hz

6th: 481Hz


1st: 4.8Hz

13th: 203Hz

2nd: 5.5Hz

15th: 341Hz

3rd: 13Hz

16th: 403Hz


Spectrum Analysis

Input:

(X, Y, Z- directions)


Results(Absolute value)

X-Direction

C

R

L

Z

Fixed

Y

X

Y-Direction

Z-Direction


C

R

L

X-Direction

k= 98N/mm

k= 37N/mm

Z

k= 125N/mm

Y

X

Fixed

Y-Direction

Z-Direction


Integration Amplitude

X-Direction

C

R

L

Z

Fixed

Y

X

Z-Direction

Y-Direction


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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