Progressive Die Set

Product Specifications

Technical details and manufacturing context for Progressive Die Set

Definition

A progressive die set is a critical component of a High-Speed Progressive Stamping Press, consisting of multiple stations arranged in sequence. Each station performs a specific operation (such as punching, bending, or forming) on a metal strip as it feeds through the press. The die set ensures precise alignment and coordination of these operations to transform raw metal coil into finished parts with high efficiency and repeatability. This directory entry provides reference data for procurement and engineering verification. The die set is mounted on the press ram and bolster plate. As the press cycles, the ram descends, forcing the upper die (punch) into the lower die. A metal strip is fed through the die stations progressively; with each press stroke, the strip advances one station, and all stations perform their operations simultaneously on different sections of the strip, producing a complete part at the final station. Typical materials include tool steel (e.g., D2, A2), carbide inserts, and hardened steel guide pins and bushings. Key parameters to verify with the manufacturer include die height (150–300 mm), strip width (20–200 mm), feed pitch (10–100 mm), stamping speed (200–600 SPM), positioning accuracy (±0.01 mm), punch-die clearance (0.02–0.10 mm), hardness (58–62 HRC), operating temperature (10–60 °C), max strip thickness (0.5–3.0 mm), die weight (500–2000 kg), piloting accuracy (±0.005 mm), and lubrication flow rate (0.5–2.0 L/min). These values are reference ranges and must be confirmed for the specific model and application. Always verify model-specific values and applicable standards with the legal manufacturer or supplier before procurement or use.

Working Principle

The die set is mounted on the press ram and bolster plate. As the press cycles, the ram descends, forcing the upper die (punch) into the lower die. A metal strip is fed through the die stations progressively; with each press stroke, the strip advances one station, and all stations perform their operations simultaneously on different sections of the strip, producing a complete part at the final station.

Common Materials

Tool steel (e.g., D2, A2), Carbide inserts, Guide pins and bushings (hardened steel)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Die Height	150–300 mm	Must match press shut height
Strip Width	20–200 mm	Determines material utilization
Feed Pitch	10–100 mm	Must match press feeder
Stamping Speed	200–600 SPM	Higher speed reduces tool life
Positioning Accuracy	±0.01 mm	Critical for multi-stage alignment
Punch-Die Clearance	0.02–0.10 mm	Depends on material thickness and type
Hardness (Die Steel)	58–62 HRC	Higher hardness improves wear resistance
Operating Temperature	10–60 °C	Exceeding range may cause thermal expansion
Max Strip Thickness	0.5–3.0 mm	Thicker material requires higher tonnage
Die Weight	500–2000 kg	Affects handling and press selection
Piloting Accuracy	±0.005 mm	Ensures consistent strip alignment
Lubrication Flow Rate	0.5–2.0 L/min	Insufficient lubrication causes galling

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Punch Plate Part
Holds the punching elements that cut or form the metal.

Material: Tool steel
Die Plate Part
Contains cavities that match the punches to shape the metal.

Material: Tool steel
Stripper Plate Part
Strips the metal strip from the punches after each stroke.

Material: Tool steel
Guide Pins and Bushings Part
Ensures precise alignment between upper and lower die halves.

Material: Hardened steel

Manufacturers of Progressive Die Set

Manufacturer profiles associated with Progressive Die Set.

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Frequently Asked Questions

What is a progressive die set used for?

A progressive die set is used in progressive stamping presses to perform multiple operations (such as punching, bending, and forming) on a metal strip in a single pass. It consists of multiple stations that work simultaneously on different sections of the strip, producing a complete part at the final station.

What materials are typically used in a progressive die set?

Common materials include tool steel (e.g., D2, A2), carbide inserts for wear resistance, and hardened steel for guide pins and bushings. The specific material selection depends on the application and must be confirmed with the manufacturer.

What are the key parameters to verify for a progressive die set?

Key parameters include die height, strip width, feed pitch, stamping speed, positioning accuracy, punch-die clearance, hardness, operating temperature, max strip thickness, die weight, piloting accuracy, and lubrication flow rate. These values are reference ranges and must be confirmed for the specific model and application.

How should I verify the suitability of a progressive die set for my press?

You should check that the die height matches the press shut height, the strip width and feed pitch are compatible with the press feeder, and the stamping speed is within the press's capability. Also verify positioning and piloting accuracy requirements. Always consult the legal manufacturer or supplier for model-specific specifications and standards.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Up to 1000 MPa (145,000 psi) depending on die design and material
other spec:	Strip thickness: 0.1-6.0 mm (0.004-0.236 in), Feed accuracy: ±0.025 mm (±0.001 in), Stroke rate: Up to 1500 SPM for high-speed applications
temperature:	Ambient to 150°C (302°F) for standard tool steels; higher with specialized materials

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