The housing is an important part of power spring performance. A good spring may not work correctly if the housing, arbor, or cover design creates friction or limits movement.
Common applications
- Cord reels and retractable products
- Rotary return mechanisms
- Seat belt retractor assemblies
- Compact mechanical devices
Key design inputs
- Housing inner diameter and depth
- Arbor size and connection method
- Cover clearance and spring movement space
- Lubrication and assembly safety requirements
Selection notes
Housing design should allow smooth coil movement while controlling the spring safely. Sharp edges, poor clearance, or unstable arbor connection can reduce performance.
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FAQ
Why does housing design matter?
The housing affects friction, coil movement, safety, and final torque behavior.
Can a power spring be supplied with a housing?
Depending on the project, springs can be designed for an existing housing or developed with a new housing structure.
What should be checked during assembly?
Arbor fit, spring direction, lubrication, cover clearance, and return torque should be checked.