Standard No.:	GB/T 30194-2013
English Name:	Test method for measuring the rolling circumference of agricultural tyres
Chinese Name:	农业轮胎滚动周长测试方法
Chinese Classification:	G41    Tyre
Professional Classification:	GB    National Standard
ICS Classification:	83.160.30 83.160.30    Tyres for agricultural machinery 83.160.30
Issued by:	AQSIQ;SAC
Issued on:	2013-12-31
Implemented on:	2014-9-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	170.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the test method for measuring the tyre rolling circumference of agricultural tractors and machinery under load conditions. This standard is applicable to radial or diagonal drive wheel tyres of new agricultural tractors. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2979 Size designation, dimensions, inflation pressure and load capacity for agricultural tyres (GB/T 2979-2008, ISO 4251-1:2005, ISO 4251-2:2005, ISO 4251-4:1992, ISO 4251-5:1992, NEQ) GB/T 3372 Rims series for tractors agricultural and forestry machines (GB/T 3372-2010, ISO 4251-3:2006, NEQ) GB/T 6326 Tyre terms and definitions (GB/T 6326-2005, ISO 4223-1:2002, NEQ) 3 Term and definition For the purposes of this standard, the term and definition given in GB/T 6326 and the following apply. 3.1 rolling circumference of tyre distance that the centre of the tyre moves in one revolution of the tyre

Foreword i 1 Scope 2 Normative references 3 Term and definition 4 Principle 5 Test conditions 6 Method of test 7 Expression of results 8 Test report 9 Other test conditions Annex A (Informative) Design guide — Agricultural tyre rolling circumference for tyres with pattern code R-1 Annex B (Informative) Agricultural tyre rolling circumference for series tyres with pattern code R-1