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Product Overview
Power Spring PS-004 is a compact open-band power spring designed for space-constrained assemblies where a smaller outer diameter is essential. The reduced form factor retains the characteristic flat-strip spiral construction, storing and releasing torque smoothly without requiring a housing. PS-004 is ideal for miniaturised mechanisms including precision instruments, compact timer assemblies, and small-format toy spring motors. Its narrow footprint and reliable return torque make it a practical drop-in choice for designers working within tight dimensional envelopes.
Technical Specifications
| Model | PS-004 |
| Type | Open-band, compact (without housing) |
| Material | SUS301 stainless steel, SAE1080, SK5, precision steel strips (customisable) |
| Thickness (T) | 0.04 – 1.0 mm |
| Width (W) | 2.5 – 90 mm |
| Shaft Diameter (Da) | Compact; customisable |
| Number of Coils (N) | Customisable per application |
| Feature | Compact form factor; consistent torque in confined spaces |
Applications
Precision instruments
Compact timer assemblies
Small-format toy motors
Miniature retractor mechanisms
Medical devices
Consumer electronics
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