HAS WON QS9000 / ISO-9002 INTERNATIONAL QUALITY APPROVAL
SPRING TOLERANCE

Compressed spring allowable tolerance

Item  3≦D/d<8  8≦D/d<15  D/d≧15
Average Dia. (D) ±1.5% ( Min. value±0.15 ) ±2% ( Min. value±0.25 )  ±3% ( Min. value±0.4 )
Free Length ( L )  ±2% ( Min. value±0.4 )  ±3% ( Min. value±0.5 ) ±4% ( Min. value±0.8 )
Spring modulus ( K ) ±6%  ±8%   ±10%
Load  ( P ) Load tolerance ( kg )/elastic modulus ( kg/mm )≧free length tolerance ( mm ) ( Min. value±5% )

Flexible spring allowable tolerance

Item  4≦D/d<8  8≦D/d<15  D/d≧15
Average Dia. ( D ) ±1.5% ( Min. value ±0.15 ) ±2% ( Min. value ±0.2 )  ±3% ( Min. value ±0.3 )
Free Length  ( L )  ±2% ( Min. value ±0.5 )  ±3% ( Min. value ±0.7 ) ±4% ( Min. value ±1.0 )
Spring modulus ( K ) ±6%  ±8%   ±10%
Load ( P ) Load tolerance ( kg )/elasitc modulus ( kg/mm )≧free length tolerance( mm ) ( Min. value ±8% )

 
Item  4≦D/d<8  8≦D/d<15  D/d≧15
Average Dia. ( D ) ±1.5% ( Min. value ±0.15 ) ±2% ( Min. value ±0.2 )  ±3% ( Min. value ±0.3 )
Torsion angle (θ ) ±0.9Na° (Min. value ±3° )  ±1.1Na° ( Min. value ±4° )  ±1.5Na° (Min. value ±6° )
Moment ( M )  Moment tolerance (kg~mm)/elastic modulus (kg~mm/deg)
≧Torsion angle tolerance (deg)(Min. value±5% )

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Chang-Hua City, Taiwan, R. O. C.
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FAX:886-4-7376120
http://www.ryk.com.tw
E-mail:ryc@ms24.hinet.net
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