ChinaAutoRegs\uff5cGB\/T 3934-2003 \u82f1\u6587\u7248\/\u7ffb\u8bd1\/English \u666e\u901a\u87ba\u7eb9\u91cf\u89c4 \u6280\u672f\u6761\u4ef6
\nSpecification of Gauges for General Purpose Screw Threads<\/p>\n
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1 SCOPE<\/p>\n
This standard specifies the terms and definitions, classification, symbols, profile, tolerance, requirements, inspection, marking and packaging of gauges for general purpose screw threads.
\nThis standard is applicable to the gauges for general purpose screw threads with a thread angle of 60\u00b0, a nominal diameter of 1 mm to 355 mm and a screw pitch of 0.2 mm to 8 mm.
\nThe gauges for general purpose screw threads specified in this standard (hereinafter referred to as “thread gauge”) is applicable to the inspection of general purpose screw threads specified in GB\/T 192-2003, GB\/T 193-2003, GB\/T 196-2003 and GB\/T 197-2003.<\/p>\n
2 NORMATIVE REFERENCES<\/p>\n
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition applies.
\nGB\/T 192-2003 General purpose metric screw threads – Basic profile (ISO 68-1: 1998, MOD)
\nGB\/T 193-2003 General purpose metric screw threads – General plan (ISO 261: 1998, MOD)
\nGB\/T 196-2003 General purpose metric screw threads – Basic dimensions
\nGB\/T 197-2003 General purpose metric screw threads – Tolerances (ISO 965-1: 1998, MOD)<\/p>\n
3 TERMS AND DEFINITIONS<\/p>\n
For the purposes of this standard, the terms and definitions specified in GB\/T 192-2003, GB\/T 193-2003, GB\/T 196-2003, and GB\/T 197-2003 and the following apply.<\/p>\n
3.1
\nGauges for general purpose screw threads
\nmeasuring instruments that have standard profiles of general purpose screw threads, can reflect the boundary conditions of the inspected internal and external threads, and classified into two types based on the service performance, i.e. working gauges for general purpose screw threads and check gauges for general purpose screw threads<\/p>\n
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