Industrial Compression Spring / Rectangle Coil Springs Blue Color JIS Standard for Dies set
Discraption
Springs are widely used in stamping dies, metal die-casting dies, plastic molds and other elastic precision mechanical equipment, automobiles and other fields.
The material of die spring is usually chromium alloy steel, because its characteristics of high temperature resistance, rigidity and long service life.
According to JIS standards, the color and load are as follows:
| Load | Compression Ratio % | Color |
| Light | 32 | 36 | 40 | Blue |
| Medium | 25.6 | 28.8 | 32 | Red |
| Heavy | 19.2 | 21.6 | 24 | Green |
| Overweight | 16 | 18 | 20 | Brown |
| Life length / Compression times | 1,000,000 | 500,000 | 300,000 |
According to ISO10243 standards, the color and load are as follows:
| Color | yellow | red | blue | Green |
| Load | Overweight load | heavy load | Medium load | light load |
Compression and load
The maximum compression of this series of springs is 48% of the free length. Please DO NOT over it.
The load = elastic coefficient * compression, please contact us for more information.
| Size(mm) | Elastic
coefficient(KgF/mm) | Compressed
length(mm) | Load(Kgf) |
| Outer diameter | Inner diameter | free length |
| 30 | 15 | 100 | 5.62 | 32 | 180 |
| 35 | 17.5 | 100 | 7.66 | 32 | 245 |
| 40 | 20 | 100 | 10 | 32 | 320 |
Quick Details
All of our springs are manufactured according to Japan JIS industrial standard, and customized size is welcome.
| materials | chromium alloy steel | Size | Japan JIS |
| color | Blue | length | can be customized |
Standard Size
We have the following standard sizes of springs in stock, generally can be shipped within 3 working days, if it is customized , delivery time is generally 15-20 days.
| External diameter / mm | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 25 | 27 | 30 | 35 | 40 | 50 | 60 | 70
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Treatment
The following processes are the treatment to ensure product quality.
Pressure treatment:
The spring to do more than three times of pressure treatment, eliminating the internal stress before use, no spring deformation, shorten the breakage and other phenomena.
Strengthened treatment:
Spring surface strengthened shot peening treatment, improve the strength of stress concentration point, prolong the fatigue life of the spring.
Surface treatment:
Adopt advanced color electrophoretic paint process, conform to European SOS standard, make the product paint surface even, adhesion is stronger.
Attention
Usually, the proportion of service life depends on the spring and compressed, probably relations are as follows,3 points should be paid attention to prevent premature failure of the spring:
1.Maintaining initial compression more than 1mm
2. Prevent any other articles from the middle of the spring
3. Keep vertical compression to prevent bending
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XStamping Mold Industrial Compression Spring For Die Set Inner Diameter 15mm Images
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