Plot No 196 Sector No 7 Opposite Arise International School MIDC Bhosari - 411026
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Die Spring Manufacturing
SHAMA SPRING INDUSTRIES
Shama Spring offers a complete line of die springs in both oil-tempered and chrome-alloy materials. Die springs are used primarily in die machinery. However, they are also well-suited for many applications where high-static or shock-load stresses are required, or when maximum cycle-life is important. Rectangular wire is employed to reduce the solid height and increase the space efficiency of the design.
Shama Spring has designed and manufactures a complete line of industrial die springs. Generally used in die machinery, they are well-suited for many applications where high-static or shock-load stresses are required or when maximum cycle-life is important.
Die springs are commonly used in stamping and forming operations where heavy loads and repetitive cycles are involved. Their durability, cycle life, and ability to handle high-stress applications make them a valuable component in various industrial settings.
Die Spring Overview
SHAMA SPRING INDUSTRIES
The die spring containment hole diameter sizes used in our online and print catalogs must be considered to eliminate possible spring-to-wall friction caused by heat, wear due to fabrication tolerances, and interference from the spring diameter growth due to compression. If the spring is long for its diameter, an internal supporting rod may be required to eliminate spring buckling.
Hole and Rod Diameter
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Measure the Hole Diameter (also known as Outside Diameter)
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Measure the Rod Diameter (also known as Inside Diameter)
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Measure the Free Length (no load on the spring)
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Measure the Wire Size (both width and thickness dimensions)
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Use our search feature or catalog to find the correct color code and size for your needs.
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For example, if a die spring measures .96″ on the hole dimension, it will fit into a 1″ hole. If it measures .56″ on the rod dimension, it will fit over a .50″ rod. Note: Die springs are manufactured to a “GO/NO-GO” dimension.
SPRING MANUFACTURING TECHNOLOGIES
Thermal effects are frequently ignored in spring failure or load-loss analysis. The maximum rated service temperature for chrome-alloy steel is about 440° F. The following table reflects the approximate load losses due to heat that can be expected with die springs.
Heat
Die springs of oil-tempered material are available as unfinished only. A colour coding system is employed for our chrome-alloy line for instant visual identification of the spring’s work range and to prevent errors in spring selection and installation. The colour coding is a light coating of water-based paint.
Finish
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Light Duty – Blue
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Medium Duty – Red
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Heavy Duty – Gold
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Extra-Heavy Duty – Green
ISO
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Light Load – Green
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Medium Load – Blue
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Heavy Load – Red
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Extra-Heavy Load – Yellow
JIs
Wire Diameter: The thickness of the wire used to create the spring, which directly affects its strength and load-bearing capacity.
Outer Diameter: The total diameter of the spring's coil when it's not under any load.
Free Length: The overall length of the spring when it's not under any load.
Solid Height: The height of the spring when it's fully compressed.
Materials: Die springs are available in two main materials: oil-tempered and chrome-alloy. The choice of material depends on the application's requirements.
Color Code: Die springs are often color-coded to indicate their load capacity. Each color corresponds to a specific load range.
Load Ratings: Die springs are rated based on the maximum load they can handle without experiencing permanent deformation or failure.
Spring Rate: The amount of force the spring exerts per unit of deflection.
Number of Coils: The total number of coils in the spring, which can affect its overall length and flexibility.
End Configurations: Die springs can have different end configurations, such as closed and ground ends, to enhance stability and alignment.
Application-Specific Design: Die springs can be customized for specific applications, including load requirements, deflection characteristics, and dimensions.
Specification:
SHAMA SPRING INDUSTRIES
Music wire
Stainless Steel -302/304, 17-7
Inconel
Hastelloy
Titianium
MP35N
Elgiloy
Monel
Hard Drawn
Hard Drawn Galvanized
Oil Tempered
Chrome Silicon
Chrome Silicon Valve Grade
Phosphor Bronze
Beryllium Copper
Nichrome-Resistance wire
Grinding
Pre-setting
Load testing
Shot peening
Vibratory finishing
Heat treating
Spring Specifications
Zinc (upon request)
Gold Irridite (upon request)
Black Oxide (upon request)
Passivated (upon request)
None (can be plated upon request)
Raw Material Options
Additional Resources
Finishing Options
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Torsion Springs
TORSION SPRINGS
These springs are designed to work with rotational movement, typically used in clothespins, garage doors, and even power tools.
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Spiral Springs
SPIRAL SPRINGS
Spiral springs, also known as clock springs or flat springs, are a type of mechanical spring that's characterized by its flat, coiled shape.
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Taper Springs
TAPER SPRINGS
Taper springs are characterized by their conical shape, with one end having a larger diameter than the other.
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Compression Springs
COMPRESSION SPRINGS
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Designed to resist compressive force, these springs are ideal for shock absorbers, ballpoint pens, and numerous other applications.
Die Springs
DIE SPRINGS
Die springs are heavy-duty compression springs specifically designed to withstand high stress and heavy loads in industrial applications.
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Extension Springs
EXTENSION SPRINGS
These are designed to absorb and store energy, as well as create resistance to a pulling force.
It is initial tension that determines how tightly together an extension spring is coiled.
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