Compression Springs, Springs, Coil Springs, Spiral Springs, Disk Spring, Clock Springs, Constant Force Springs, Disc Springs, Industrial Springs, Washers, Belleville Springs, Power Springs, Thane, India


COMPRESSION SPRINGS
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Compression Springs, Springs, Coil Springs, Spiral Springs, Clock Springs, Constant Force Springs, Disc Springs, Industrial Springs, Washers, Power Springs, Thane, India



A compression spring offers resistance to the axial compressive force. It is an open-coil helical spring. They are generally coiled as constant diameter cylinder.

Common forms: - Conical, Concave (barrel), Convex (hourglass) and various combinations of above.

The space allotted will decide the allowable solid height, inner diameter and outer diameter of compression springs. Along with the load and deflection, the dimensional limits will decide the stress level. Therefore to avoid any design changes, sufficient care should be taken to decide allotted space.


Compression Springs, Springs, Coil Springs, Spiral Springs, Clock Springs, Constant Force Springs, Disc Springs, Industrial Springs, Washers, Power Springs, Thane, India


Round wire is preferred over square, rectangular or some special section because of its easy availability Coiling operation produces stress so compression springs must be stress relieved.
Spring Materials
Common spring materials include stainless steel, alloy steels, carbon steels and some non-ferrous materials. IIS also produces spring from Exotic material like Inconel, Monel, Nimonic, Hastelloy etc.

For spring design, selection of material is one of the important steps. Types of material available, mechanical and electrical properties, operating conditions are few points of prime importance for material selection. In case of heavy stress cycles, a tight control is required in material quality. Scratches, seams and other such flaws affect fatigue life considerably. Carbon steel and alloy steel give optimum service and heavy stress cycles.

Stress Relieving
To relieve the harmful residual stresses, heat treatment of springs is done. Depending upon the type of spring, material, furnace and operating conditions, time and temperature will vary accordingly.

Stress relieving causes dimensional distortion so manufacturer should predict the change to achieve required dimensions. Forming should immediately follow stress relieving.

IIS has automatic spring coilers upto 8.0mm wire diameter. From 8mm to 22mm we have semi-automatic cold coiling machines. From 22mm onwards we have hot coiling machines

WE have load testing machines upto 100tons and we can test deflections upto 4 feet. Our automatic grinders can produce parallelism within 0.05mm and surface finish in microns.

WE have more than 25 years experience in the manufacturing of Compression springs.

We can manufacturing compression springs of any size, length and dimension you can think of. We have manufactured compression with OD of 650mm and length 6meters.

Tolerances are as per IS 7906 or DIN 2095

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* Tel. : 2582 1941 / 2508 / 2581 3416 * Fax : 91-22-2582 4478
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