Standard No.:	GB/T 21684-2008
English Name:	Woodworking machines - Two- three-and four-side moulding machines - Nomenclature and acceptance conditions
Chinese Name:	木工机床 二、三、四面铣床术语和精度
Chinese Classification:	J65    Woodworking machine and machine tool
Professional Classification:	GB    National Standard
ICS Classification:	79.120.10 79.120.10    Woodworking machines 79.120.10
Source Content Issued by:	AQSIQ; SAC
Issued on:	2008-4-22
Implemented on:	2008-10-1
Status:	to be superseded
Superseded by:	GB/T 21684-2025 Four-side moulding machines for woodworking - Vocabulary and accuracy
Superseded on:	2026-5-1
Abolished on:	2026-05-01
Target Language:	English
File Format:	PDF
Word Count:	5000 words
Translation Price(USD):	130.0
Delivery:	via email in 1~3 business day

本标准规定了二、三、四面铣床各部分的术语，同时参照GB/T 17421.1-1998，规定了机床的几何精度检验和工作精度检验，并给定了相应的允差，适用于一般用途、普通精度的机床。本标准只规定机床的精度检验，不适用于机床的运转试验（如振动、异常噪声、零部件的爬行等检验），也不适用于机床的特性检验（如速度、进给量等），这些检验一般宜在机床精度检验前进行。　 本标准等同采用ＩＳＯ７９４７：１９８５《木工机床　二、三、四面铣床　术语和验收条件》（英文版）