Industry-Verified Manufacturing Data (2026)

Die Head

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Die Head used in the Food Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Die Head is characterized by the integration of Die Body/Housing and Die Plate/Insert. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (e.g., 304, 316) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The final shaping component in an extrusion system that determines the cross-sectional profile of extruded food products.

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Product Specifications

Technical details and manufacturing context for Die Head

Definition
A die head is the critical terminal component of an industrial food extrusion and forming machine where the food material, under pressure from the extruder barrel, is forced through precisely engineered openings to create specific shapes, textures, and sizes. It serves as the interface between the extrusion process and the final product form, directly influencing product characteristics such as density, surface finish, and structural integrity.
Working Principle
The die head receives a continuous flow of plasticized food mass (dough, paste, or melt) from the extruder screw and barrel assembly. This material is forced under high pressure through the die's internal flow channels (manifold) which distribute it evenly to one or more shaping orifices (die plates or inserts). The geometry, size, and surface finish of these orifices define the final product's cross-section (e.g., strands for pasta, pellets for snacks, sheets for cereals). Upon exiting the die, the shaped material may be cut, cooled, or further processed.
Common Materials
Stainless Steel (e.g., 304, 316), Tool Steel, Hardened Alloy Steel
Technical Parameters
  • Diameter or characteristic dimension of the die orifice(s), defining the primary size of the extruded product. (mm) Per Request
Components / BOM
  • Die Body/Housing
    The main structural frame that holds all internal components, connects to the extruder barrel, and withstands operational pressure.
    Material: Stainless Steel
  • Die Plate/Insert
    A removable plate containing the precise shaping orifices. It defines the product profile and is interchangeable for different products.
    Material: Hardened Tool Steel or Stainless Steel
  • Flow Distributor (Manifold)
    Internal channels within the die head that evenly distribute the incoming food mass to all die orifices to ensure uniform product quality.
    Material: Stainless Steel
  • Heating/Cooling Jacket
    An optional external or internal system to maintain precise temperature control of the die head, critical for melt viscosity and product texture.
    Material: Stainless Steel with Copper or Steel Tubing
Engineering Reasoning
15-45 MPa (150-450 bar) at 120-180°C
Material yield strength threshold: 550 MPa for tool steel, 250 MPa for aluminum alloys
Design Rationale: High-cycle fatigue failure due to cyclic thermal stress exceeding 300 MPa from 120°C to 180°C temperature differentials during extrusion cycles
Risk Mitigation (FMEA)
Trigger Material fatigue accumulation exceeding 10^6 cycles at 300 MPa stress amplitude
Mode: Crack propagation at die orifice leading to profile distortion >0.1 mm tolerance
Strategy: Implement finite element analysis-optimized fillet radii >2.5 mm at stress concentration points
Trigger Food particle abrasion at velocities >2 m/s with particle hardness >3 Mohs
Mode: Orifice diameter wear exceeding 0.05 mm causing dimensional deviation
Strategy: Apply plasma-enhanced chemical vapor deposition tungsten carbide coating with 1800 HV hardness

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Die Head.

food extrusion die head stainless steel custom die plate for food manufacturing extrusion die head with heating jacket hardened alloy steel die head die head manifold for food products

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 200 bar (2900 psi)
flow rate: 50-2000 kg/hr (110-4400 lb/hr)
temperature: 40-180°C (104-356°F)
slurry concentration: Up to 70% solids by weight
Media Compatibility
✓ Cereal-based doughs (pasta, snacks) ✓ Protein-rich pastes (meat analogs, pet food) ✓ Starch-based formulations (confectionery, cereals)
Unsuitable: Highly abrasive mineral-filled compounds
Sizing Data Required
  • Required product cross-sectional area and shape complexity
  • Target production rate (mass flow)
  • Material rheology (viscosity, elasticity)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thread wear and deformation
Cause: Excessive torque application, misalignment during operation, or using incorrect die materials for the workpiece hardness, leading to gradual loss of thread accuracy and eventual stripping.
Bearing seizure or excessive play
Cause: Inadequate lubrication, contamination from metal chips or coolant ingress, or overloading beyond design limits, resulting in increased friction, heat generation, and eventual failure of rotating components.
Maintenance Indicators
  • Audible grinding or clicking noises during operation, indicating bearing wear or misalignment.
  • Visual thread irregularities on produced parts, such as burrs, inconsistent pitch, or visible scoring on the die head's cutting edges.
Engineering Tips
  • Implement a strict lubrication schedule using manufacturer-recommended greases or oils, and ensure seals are intact to prevent contamination.
  • Regularly calibrate and align the die head with the machine spindle, and use torque-limiting devices to prevent over-tightening during thread cutting operations.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ANSI B94.2 - Cutting tools, dies and holders DIN 8580 - Manufacturing processes
Manufacturing Precision
  • Thread pitch accuracy: +/-0.005 mm
  • Die head concentricity: 0.01 mm TIR
Quality Inspection
  • Dimensional verification with CMM
  • Hardness testing (Rockwell C scale)

Factories Producing Die Head

Verified manufacturers with capability to produce this product in China

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✓ 93% Supplier Capability Match Found

S Sourcing Manager from Germany Jan 04, 2026
★★★★★
"Found 26+ suppliers for Die Head on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
P Procurement Specialist from Brazil Jan 01, 2026
★★★★☆
"The technical documentation for this Die Head is very thorough, especially regarding technical reliability. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Canada Dec 29, 2025
★★★★★
"Reliable performance in harsh Food Manufacturing environments. No issues with the Die Head so far."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

19 sourcing managers are analyzing this specification now. Last inquiry for Die Head from Vietnam (51m ago).

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Frequently Asked Questions

What materials are best for food extrusion die heads?

Stainless steel (304 or 316) is ideal for food contact due to corrosion resistance and hygiene. Tool steel and hardened alloy steel offer durability for high-volume production.

How does the die head affect extruded food product quality?

The die head is the final shaping component that determines the cross-sectional profile, texture, and consistency of extruded foods. Precise engineering ensures uniform shape, minimal waste, and consistent product quality.

What maintenance is required for extrusion die heads?

Regular cleaning to prevent food residue buildup, inspection for wear on die plates/inserts, and ensuring heating/cooling jackets function properly. Proper maintenance extends lifespan and maintains product consistency.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Food Manufacturing sector.

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