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Power springs also called clock springs
store and release energy in the form of torque.
These are generally made of rectangular
section material or strips, have special retaining holes
or bends on both ends and are flat wound. A special type
of housing or case is provided to reduce space required
and to maintain amount of deflection.
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Apart from transition coils and coils
attached to the arbor, others are solid. With the arbor
rotation, solid material becomes active and is wound on
the arbor. Since the amount of active material keeps on
changing, it becomes very difficult to derive the formula
for torque per turn delivered by the spring.
IIS manufactures Powers springs from thickness 4.0mm X width
100mm and OD upto 6feet. Springs are manufacture red from
spring temper material with hardness ranging from 44 to
48 HRC. We have ready stock of standard thickness of material
from 1mm upto 4mm for quick delivery and sampling.
General applications are for counterbalance mechanisms,
reel returns and rewind devices.
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