Specifications manufacturer

Product?name: Starter?spring?/spiral?spring/Coil?spring/Power?spring ? coil?spring?HS.?Code:?73202090? ? Coil?spring?Scope: 1)?Width:?3~50mm 2)?Thickness:?0.05~2mm 3)?Length:?Unlimited 4)?Material:?Stainless?steel,?Carbon?Steel ? Application?of?coil?spring: 1)chainsaw,?garden?tools 2)generator 3)?electronic?wire?take-up 4)?toy?,?clock?and?timer 5)?hose?reel 6)?car?safety?belts ? ? Coil?spring?Work?principle: Coil?spring?is?also?called?the?power?spring?,?which?is?made?by?the?steel?ribbon,?it?can?be?divided?into?the?natural?type?power?spring?and?the?prestress?force?type?power?spring?due?to?its?relaxed?shape.?The?natural?type?power?spring?is?made?directly?by?the?wrapped?steel,??while?the?prestressed?force?type?power?spring?will?finalize?the?shape?first,?then?reverse?the?direction?into?a?spiral?shape,?its?shape?after?spread?out?just?looks?like?the?letter?S?,?hence?it?is?also?known?as?the?S?shaped?spring.? When?we?use?the?coil?spring,?we?need?to?use?a?case?to?confine?its?outer?diameter,?the?middle?of?the?spring?is?connected?to?the?line?shaft.?Once?the?line?shaft?and?the?spring?do?relative?rotation?by?the?external?force,?the?spring?will?be?rolled?onto?the?line?shaft?and?store?power.?After?the?external?force?disappears,?the?spring?generates?torque?force?to?drive?the?line?shaft,?and?output?the?storage?power?via?the?line?shaft?at?the?same?time.? Comparing?under?the?same?specification?spring,?the?prestress?force?type?can?store?more?torque?force?of??25%~40%?,?it?can?provide?more?rotation?turns?under?the?same?space. ? Check?the?following?specification?which?you?can?get?fast?shipping?and?free?sample: 0.4*4*1799mm 0.4*4*2030mm 0.4*4.75*2515mm 0.4*4.75*3164mm 0.45*4*2371mm 0.45*4*2335mm 0.45*4.75*3005mm 0.45*4.75*3034mm 0.45*6*3438mm 0.5*4*1985mm 0.5*4*1962mm 0.5*4.75*3144mm 0.5*5*2405mm 0.5*5*1900mm 0.5*5*2485mm 0.5*6*2304mm 0.5*6*2444mm 0.5*6*2408mm 0.55*4.75*3377mm 0.55*4.75*4766mm 0.55*4.75*2341mm 0.55*4.75*3363mm 0.55*5*2650mm 0.55*7*2380mm 0.6*4.75*2385mm 0.6*4.75*2344mm 0.6*5*2928mm 0.6*5*2627mm 0.6*5*1902mm 0.6*6*2952mm 0.65*6*2519mm 0.8*6*2790mm 0.4*4.8*2900mm 0.6*5*2900mm 0.6*7*3700mm 0.7*4.8*2500mm 0.5*4*2400mm 0.6*4.8*2500mm 0.65*6.25*3000mm 0.6*4.75*2500mm 0.5*4.75*2400mm ? Welcome?RFQ?of??Coil?spring: please?send?us?below?details?for?OEM?service: 1)?material 2)?size?(?thickness,?length,?width,ID,OD) 3)?quantity 4)?drawings?or?sample ? You?are?right?to?choose?us: 1.?Professional?research?and?development?team. 2.?Complete?first-class?fully?automatic?production?and?testing?equipment,?safety?package?and?prompt?delivery. 3.?Skilled?and?well-trained?work?team. 4.?Provided?competitive?price?and?serious?quality?control. 5.?Passed?GB/T19001-2008/ISO9001:2008?certification. ? About?Shanghai?Xieneng?spring?co.,ltd.: Shanghai?Xieneng?Spring?Co.,?Ltd.?is?a?new?hi-tech?enterprise?that?acts?as?both?manufacturer?and?exporter?from?2000.?In?recent?years,?our?company?is?supported?by?Huazhong?University?of?Science?&?Technology,?and?established?a?new?products?research?and?development?center?which?develops?the?new?products?in?order?to?meet?market's?demands?constantly.? We?are?specialized?in?all?kinds?of?carbon?and?stainless?steel?springs?as?well?as?all?kinds?of?heat?treatment?steel?strips.?Our?products?are?widely?used?in?various?kinds?of?appliances,?such?as?tool?equipment,?timers,?toys,?etc.? In?June?2006,?our?company?was?approved?by?ISO9001?System.?We?always?follow?the?principles?of?"Quality?First"?and?abide?by?the?contract.? We?will?work?with?rigorous?scientific?attitude,?the?steady?and?sure?style?of?work,?tide?of?the?fight?economic?globalization,?market-oriented,?regarding?innovating?for?motive?force,?with?talents?as?the?core,?excellent?management,?in?order?to?actualize?the?leap?two?times?of?the?company.?We?sincerely?wish?cooperate?with?customers?both?from?home?and?abroad,?create?the?beautiful?future?together. HIGH?QUALITY????FAST?SERVICE BEST?PRICE???????FREE?SAMPLE?? ? ? Welcome?YOU!? Welcome?OEM! ? ?