JB/T 6331.1-1992 English PDF

US$759.00 · In stock
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JB/T 6331.1-1992: Method for measuring noise of foundry machinery. Determination of sound power level
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 6331.1-1992	759	Add to Cart	4 days	Method for measuring noise of foundry machinery. Determination of sound power level	Obsolete

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Basic data

Standard ID: JB/T 6331.1-1992 (JB/T6331.1-1992)
Description (Translated English): Method for measuring noise of foundry machinery. Determination of sound power level
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: J61
Word Count Estimation: 19,169
Date of Issue: 7/1/1992
Date of Implementation: 1/1/1993
Quoted Standard: GB 3102.7; GB 3241; GB 3785; GB 3947; GB 4129; JJG 176; JJG 188
Adopted Standard: ISO 3744-1981, NEQ; ISO 3746, NEQ
Summary: This standard specifies the next over a reflecting plane for the free field acoustic test conditions, determination of foundry machinery sound power rates. According to the acoustic test environment, the amount of need determination and measurement uncertainty requirements, divided into engineering method and simple method. This standard applies to the steady-state radiation, radiation unsteady and periodic changes Fushun casting machinery of various types of noise.

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