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Product Overview
Power Spring PS-003 is an open-band power spring engineered for applications requiring a longer active stroke and higher total torque output than the PS-001 and PS-002 series. The increased coil count allows the spring to deliver more rotational turns before reaching its fully wound state, making it suitable for higher-cycle retraction mechanisms and motorised toy assemblies. Made from high-quality steel strip, the PS-003 maintains excellent fatigue life across repeated wind-and-release cycles, supporting reliable long-term performance in both consumer and light industrial products.
Technical Specifications
| Model | PS-003 |
| Type | Open-band (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) | Customisable per application |
| Number of Coils (N) | Higher coil count for extended stroke |
| Feature | Extended stroke; higher cycle life; progressive torque |
Applications
Motorised toy assemblies
High-cycle retraction mechanisms
Timer motors
Spring-powered tools
Cord reels
Window regulator systems
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