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2-3

2.1.2 Noise Level

The method to test the noise level is to measure the noise by a

distance of 1 meter from machine guarding and height 1.6

meters from ground. Please refer to following chart and

layout.

Airborne noise test report

Date

12/17/2003

Machine type : T-7M

Instrument : PULSAR 83P series

* Environment noise: 69dBA

Without cutting load A position B position

1000(rpm) 71 72

2000(rpm) 72 72

3500(rpm) 73 74

Cutting load A position B position

800(rpm) 83 84

unit: dBA

Cutting condition: 100

％

rating horsepower

f=0.4, t =7mm, D=

75mm, L=250mm

Material : middle carbon steel

No vibration effect to the operator

＊

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Siemens EF 83P Series Bedienerhandbuch Seite 36