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  1. Products
  2. Compression Springs
  3. Die Springs DIN & ISO

Die Springs DIN & ISO

Die Springs DIN & ISO with schematic diagram • suitable for use up to max. 240°C | Febrotec
Part Number Hole ø Shaft ø Unloaded Length Spring Rate Deflection Force at Deflection s1 Maximum Deflection Force at Max. Defl. Type Colour Code Stock
Dh Dd L0 c s1 (dyn) F1 (dyn) sn (stat) Fn (stat) Available
[mm] [mm] [mm] [N/mm] [mm] [N] [mm] [N]
TotalImmediately
0R306-924D 63 38 152 458 25.8 11835 38 17404 ISO D gelb/yellow
0 0
Details
0R306-928D 63 38 178 384 30.3 11620 44.5 17088 ISO D gelb/yellow
0 0
Details
0R306-932D 63 38 203 337 34.5 11630 50.7 17103 ISO D gelb/yellow
8 0
Details
0R306-940D 63 38 254 263 43.2 11356 63.5 16701 ISO D gelb/yellow
4 0
Details
0R306-948D 63 38 305 218 51.8 11303 76.2 16623 ISO D gelb/yellow
16 0
Details
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Dimensions

Die Springs DIN & ISO are arranged in groups according to diameter. However, with this system, die springs with the same mounting dimensions can be selected in accordance with different load requirements. This increases the durability of stamping, bending and other dies. Each group of die springs is arranged according to a color code system, in order of increasing load.

Materials

Chromium alloys for highly dynamic applications at high temperatures.
Original Raymond® Die Springs.
High-quality chrome-vanadium steel according to ISO-10243.

Heat

The maximum operating temperature is 240°C. The identification colour remains intact at these temperatures. With average material strengths of ~600N/mm², the force loss at this temperature is approx. 10%.

Maximum Force

Die springs are designed for situations where considerable loads are applied in a very confined space, particularly in the case of press dies. The use of chrome alloys permits maximum loads to be combined with a long service life.

Raymond® and ISO Die Springs

Both types of indicated die springs are produced by Raymond® with the highest quality standard. The ISO springs with the designation 0R... were defined subsequently by the ISO standardization organization and are intended for use with stamping and forming dies.Many dimensions of the two series of springs are absolutely identical in terms of external measurements; however, the series have different color coding systems.It should be kept in mind that the ISO has set such large tolerances that e.g. the rounding of the edges and the profile cross-sections can exhibit great variation with the resulting solid lengths.Our products traditionally have a demonstrably long service life, which is due to very good quality.

Colour code differences Die springs


                                    Raymond®                ISO-10243

Leicht/light                        Blau/blue                        Grün/green
Mittel/medium                   Rot/red                           Blau/blue
Schwer/heavy                   Bronze/bronze               Rot/red
Extra Schwer/extra heavy Grün/green                    Gelb/yellow 

 

ISO-10243 Standard

The solid length is approx. Ln; here the maximum forces are achieved.

For frequencies greater than 1000 strokes/minute, the following values should be observed in the case of springs with the designation 0R....
Green: 25% to 30% compression
Blue: 20% to 25% compression
Red: 15% to 20% compression
Yellow: max. 15% compression

Springs with the designation 0ST... have the following color codes and load types

Medium loads = Blue
Medium heavy loads = Red
Heavy loads = Bronze
Extra heavy loads = Green