Description
The Medium Duty Die Springs are heavy-duty coil compression springs specially designed for industrial applications requiring high force output, compact installation space, and reliable mechanical performance. These precision-engineered die springs are widely used in metal stamping dies, injection molds, press tools, and various industrial machinery where repeated compression cycles and stable spring force are essential.
Manufactured with high-quality spring materials and optimized coil designs, the Medium Duty Die Springs provide excellent fatigue resistance, consistent load performance, and long service life under demanding working conditions. They are suitable for applications requiring medium to high load capacity with limited installation space.
Product Features of Medium Duty Die Springs
High Load Capacity Design
The Medium Duty Die Springs are engineered to deliver strong compression force within a compact structure. Their heavy-duty coil design allows them to withstand significant mechanical stress while maintaining stable performance during continuous operation.
Reliable Compression Performance
These industrial die springs provide consistent spring force throughout repeated compression and release cycles. The optimized coil structure helps reduce deformation and improves durability in high-frequency stamping and molding applications.
Space-Saving Installation
Designed for applications where available space is limited, the Medium Duty Die Springs offer high force output without requiring large installation areas. They are ideal for compact die assemblies, precision molds, and industrial tooling systems.
Excellent Fatigue Resistance
The springs are manufactured to withstand repeated loading conditions, reducing the risk of fatigue failure and ensuring dependable operation in demanding production environments.
Wide Range of Specifications
The Medium Duty Die Springs are available in multiple diameters, free lengths, load ratings, and compression travel options to meet different tooling and machinery requirements.
Technical Specifications
Product Series: RSM Series
Spring Type: Coil Compression Die Spring
Application: Metal stamping dies, injection molds, press tools, industrial machinery
Available Sizes:
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Outer diameter options: 10 mm, 12.5 mm, 16 mm, 20 mm, 25 mm, 32 mm, 40 mm, 50 mm, 63 mm
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Free length options: 25 mm to 305 mm
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Compression travel options: 25%, 30%, and 37.5%
Load Performance:
The Medium Duty Die Springs provide different load ratings according to spring size and compression percentage. Available load ranges cover various industrial requirements, from moderate tooling applications to high-force die systems.
Product Specifications Table
| Part No. | Outer Diameter (Dh) | Inner Diameter (Dd) | Free Length (Lo) | Load Range |
|---|---|---|---|---|
| RSM10 Series | 10 mm | 5 mm | 25–305 mm | Medium load applications |
| RSM12.5 Series | 12.5 mm | 6.3 mm | 25–305 mm | Medium load applications |
| RSM16 Series | 16 mm | 8 mm | 25–305 mm | Higher load applications |
| RSM20 Series | 20 mm | 10 mm | 25–305 mm | High compression force |
| RSM25 Series | 25 mm | 12.5 mm | 25–305 mm | Heavy-duty tooling |
| RSM32 Series | 32 mm | 16 mm | 38–305 mm | High load die applications |
| RSM40 Series | 40 mm | 20 mm | 51–305 mm | Industrial heavy load |
| RSM50 Series | 50 mm | 25 mm | 64–305 mm | Large tooling systems |
| RSM63 Series | 63 mm | 38 mm | 76–305 mm | Maximum load applications |
Applications of Medium Duty Die Springs
The Medium Duty Die Springs are widely used across various industrial sectors, including:
Metal Stamping Industry
Used in stamping dies, punching tools, progressive dies, and forming equipment to provide reliable return force and support repeated pressing operations.
Injection Molding Equipment
Suitable for mold assemblies, ejector systems, and precision molding applications requiring stable compression performance.
Automotive Manufacturing
Applied in automotive stamping tools, body panel production equipment, and manufacturing fixtures where durability and consistent force output are required.
Precision Tooling
Used in jigs, fixtures, mechanical presses, and industrial tooling systems requiring compact high-force spring solutions.
Industrial Machinery
Suitable for mechanical equipment, automation systems, and custom machinery requiring dependable compression springs.
Advantages of Medium Duty Die Springs
Durable Construction
Designed for industrial environments, these springs provide excellent resistance to wear, fatigue, and repeated mechanical stress.
Stable Force Output
The optimized coil design ensures consistent load performance during compression cycles, improving equipment reliability.
Flexible Selection
A wide range of dimensions and load specifications allows customers to select the most suitable spring according to application requirements.
Cost-Effective Solution
Long service life and reduced replacement frequency help lower maintenance costs and improve production efficiency.
Easy Integration
Standardized dimensions make the springs easy to install and replace in existing die and mold systems.
Why Choose Medium Duty Die Springs
The Medium Duty Die Springs provide a reliable solution for manufacturers requiring durable, high-performance compression springs for industrial tooling applications. With multiple size options, stable load characteristics, and excellent fatigue resistance, these springs are designed to improve the efficiency and reliability of stamping dies, molds, and mechanical equipment.
Whether used in automotive production, precision manufacturing, injection molding, or industrial machinery, the Medium Duty Die Springs deliver dependable performance under repeated heavy-duty working conditions.

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