JB 9975-1999 in English
VALIDAutomatic Upsetting Forging Press, Automatic Trimming Machine, Automatic Thread Rolling Machine, Automatic Bending Machine Noise Limits
- Issued on:1999-05-14
- Implemented on:2000-01-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
JB 9975-1999 本标准是对 ZB J62 006.9-88《锻压机械噪声限值 自动镦锻机、自动切边机、自动搓丝机、自动弯曲机噪声限值》的修订。 本标准规定了自动镦锻机、自动切边机、自动搓丝机、自动弯曲机的声功率级和声压级的噪声限值。 本标准适用于自动镦锻机、自动切边机、自动搓丝机和自动弯曲机。 本标准于 1988 年 4 月首次发布。
Scope
This standard specifies the noise limits for sound power levels and sound pressure levels of automatic upsetting machines, automatic trimming machines, automatic thread rolling machines, and automatic bending machines. This standard applies to automatic upsetting machines, automatic trimming machines, automatic thread rolling machines and automatic bending machines.

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