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> Tools & Hardware > Machine Hardware > Spring > Die springs in die machinery high-static or shock load stresses 
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JIS B5012 die springs dwf dwl dwm dwh dwb
We (SDMP)are a professional manufacturer make all sizes precision Mould Springs.
Products mainly using in plastic injection mould, metal die-casting moulds,automobile,evelator,punching machines,instruction machinary,fixture, jig and some industrial facility.
Deimension we can make with outer diameter(OD) from 6 mm to 70mm, Length from 10mm to 500. Special spring can design in our house and make performance according customers’ requirement.
| Worktime / Deflection | 1 Million (%) | 0.5 Million (%) | 0.3 Million (%) | Max. Description (%) | Color |
| of Free length | of FL | of FL | of FL | ||
| DWF Lightest Load | 40 | 45 | 50 | approx. 58.0 | Yellow |
| DWL Light Load | 32 | 36 | 40 | approx. 48.0 | Blue |
| DWM Medium Load | 25.6 | 28.8 | 32 | approx. 38.0 | Red |
| DWH Heavy Load | 19.2 | 21.6 | 24 | approx. 28.0 | Green |
| DWB Super Load | 16 | 18 | 20 | approx. 24.0 | Brown |
| DWR | The Maximum Free Length 60% range can get 300,000 times of Description Durability. | ||||
| Free Length 50% range can get 1 million times of Description Durability. | |||||
| 2% reduce rate of free Length at the temperature of 200 C(50% range) | |||||
Wellbo International Industrial Co.,Ltd works as a professional industrial supplier,which is specialized in producing and dealing various bearings,fas...
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