Standard No.:	JB/T 8490-2008
English Name:	Specification for floor type boring and milling & boring machines
Chinese Name:	落地镗、落地铣镗床 技术条件
Chinese Classification:	J54    Drilling, boring and milling machine
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	25.080.20 25.080.20    Boring and milling machines 25.080.20
Issued by:	NDRC
Issued on:	2008-6-4
Implemented on:	2008-11-1
Status:	valid
Superseding:	JB/T 8490.2-1996
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	70.0
Delivery:	via email in 1 business day

1 Scope This standard specifies manufacturing and acceptance requirements for floor type boring machines and milling & boring machines. This standard is applicable to ordinary and numerical control floor type boring machines and milling & boring machines with a boring machine axis diameter of 130mm~260mm. 2 Normative References The following documents contain provisions which, through reference in this text, constitute provisions of this code. For dated reference, subsequent amendments (excluding correction contents) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this national standard.

Contents 1. Scope 1 2 Normative References 1 3 General Requirements 2 4 Auxiliaries and Tools 2 5 Safety and Health 2 6 Processing and Assembly Quality 3 7 Free Running Test of Machine Tools 4 8 Load Tests of Machine Tools 6 9 Accuracy Tests of Machine Tools 6