
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=
φ
75mm, L=250mm
Material : middle carbon steel
No vibration effect to the operator
*
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