彈簧繞簧回火后的直徑收縮量的計(jì)算方法
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常用工具鋼出廠狀態(tài)、相關(guān)參數(shù)和注意事項(xiàng)
彈簧繞簧回火后的直徑收縮量為△D=Kt×C×D×T,
其中:Kt=3.188×10-6C---旋繞比,
D---彈簧中徑,T---回火溫度。
適用范圍:
a)冷成型工藝
b)無心卷制
c)油回火合金鋼,如60Si2MnA,55CrSi,50CrV等國(guó)產(chǎn)合金鋼絲,SWOSC-V,SWOCV-V,SWOSC-B,SWOSM-B,OTEVA70,SWI-200等國(guó)外合金鋼絲。
通過以上經(jīng)驗(yàn)公式,能夠減少試驗(yàn)次數(shù),提高彈簧合格率,降低生產(chǎn)成本。
備注:
碳素彈簧鋼絲、琴鋼絲無心繞制成的彈簧可以參照《彈簧設(shè)計(jì)手冊(cè)》(機(jī)械工業(yè)出版社)第3章第2.4節(jié),彈簧去應(yīng)力回火后彈簧直徑收縮量可按下列經(jīng)驗(yàn)公式估算:△D=4.4×10-6×C×D×T.
彈簧回火收縮量相關(guān)參數(shù)的數(shù)據(jù)匯總表一
V1V2V3V4V5V6V7V8V9
序號(hào)規(guī)格(d)材質(zhì)△D(收縮量)C(旋繞比)D(中徑)T(溫度)C*D*TC*D*T/
14.5055CrSi0.256.8330..450.
24.0055CrSi0.268...8180.
34.0055CrSi0.206...250.
43.1055CrSi0.167....
54.0055CrSi0.206.3525..80.
64.0055CrSi0.306...450.
73.10SWOSC-V0.156...80.
84.00SWOSC-V0.206...050.
93.20SWOSC-V0.106...0280.
103.0055CrSi0.206...6140.
114.0055CrSi0.206...450.
124.0055CrSi0.206...050.
133.1055CrSi0.256.7260..5820.
144.20OTEVA700.105.7624..9680.
153.60OTEVA700...
164.7555CrSi0.206.0628..760.
174.9055CrSi0.205.928..980.
184.5055CrSi0.207.8935..90.
193.0050CrV0.118.0024..
203.2055CrSi0.206...3240.
212.50SWOCV-V0.208.822..
224.25SWOCV-V0.257...2560.
2311.855CrSi1.110...340.
CrSi1.19...1180.
2510.555CrSi18..680.
2610.455CrSi0.46...8560.
2712.755CrSi2.310..360.
2811.555CrSi0.610...4620.
2910.555CrSi1.59...040.
3010.255CrSi0.759....
CrSi1..
3210.755CrSi1.59.2899..680.
CrSi0.759.2592..50.
349.5SWOSC-B0.510..
3513.6SWOSC-B1.557...820.
3614SWOSC-B17..080.
3710.5SWOSC-B1.28...
3814SWOSC-B211..360.
3912.5SWOSC-B28..40.
CrSi1.511...750.
419.6SWI-2000.59...1760.
4210.555CrSi2.19..
4310.255CrSi210...
4411.555CrSi1.758....
4512.6755CrSi1.58....
4610.555CrSi1.59..
4710.555CrSi1.99..
Si2MnA1.257...9750.
Si2MnA0.755...50.
Si2MnA17..80.
5110.860Si2MnA0.77..20.
Si2MnA0.55..1323
Si2MnA.1435
Si2MnA15...580.
5510.560Si2MnA0.86...440.
Si2MnA1.257...9750.
5711.560Si2MnA0...
蘇州東锜公司的戰(zhàn)略合作伙伴,法國(guó)ERASTEEL鋼廠是全球粉末高速鋼的研發(fā)者、粉末冶煉技術(shù)的贏領(lǐng)者、ASP品牌的創(chuàng)造者;塑膠及壓鑄鋼材合作伙伴,德國(guó)葛利茲鋼廠,成立于1779年,在全球擁有龐大的銷售網(wǎng)絡(luò)和過硬的技術(shù)力量,鍛造能力強(qiáng),處于行業(yè)贏領(lǐng)地位。

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