Mold Assembly/Fixture for Silicone Molding

Product Specifications

Technical details and manufacturing context for Mold Assembly / Fixture

Definition

The Mold Assembly/Fixture is a critical component of a Silicone Molding Station that securely holds the mold in precise alignment during the injection, curing, and demolding phases. It ensures dimensional accuracy, repeatability, and proper mold closure to produce consistent silicone parts with minimal defects. The fixture is typically constructed from steel or aluminum alloy, with material grades such as S45C–S55C and surface hardness of HRC 40–50, as referenced in the directory. It is designed to operate within a clamping force range of 50–200 kN, an operating pressure of 0.6–1.0 MPa, and an operating temperature range of -20 to 120°C. Positioning accuracy is maintained at ±0.02 mm, and the ingress protection rating is IP54–IP65 (per IEC 60529). The fixture's footprint ranges from 600×600 to 1200×1200 mm, and its weight is typically 50–150 kg, which may require crane handling for heavier units. These parameters are directory reference ranges and must be confirmed for the specific model and application with the legal manufacturer or supplier. The fixture's design must fit within the press platen area and accommodate the mold's dimensions and weight. It incorporates mechanisms for easy mold insertion and removal, alignment pins, and pressure distribution to prevent mold deformation during curing. The working principle involves clamping or securing the mold halves together, maintaining alignment under pressure during silicone injection. Insufficient clamping force can cause mold shift and flash, while excessive force may deform the fixture. The fixture is essential for achieving consistent part quality and minimizing defects in silicone molding operations.

Working Principle

The fixture clamps or secures the mold halves together, maintaining alignment under pressure during silicone injection. It may incorporate mechanisms for easy mold insertion/removal, alignment pins, and pressure distribution to prevent mold deformation during the curing process. The clamping force is applied within a specified range (50–200 kN) to ensure proper mold closure without causing damage. Operating pressure (0.6–1.0 MPa) is maintained. Positioning accuracy (±0.02 mm) is achieved through precision alignment features. The fixture operates within a temperature range of -20 to 120°C, and its ingress protection (IP54–IP65) safeguards against dust and water jets. The material grade and surface hardness are selected for wear resistance and durability. The fixture's footprint and weight must be compatible with the press platen and handling equipment. Proper maintenance and verification of these parameters are essential for reliable operation.

Common Materials

Steel, Aluminum alloy

Technical Parameters

Parameter	Typical range	Notes & selection driver
Clamping Force	50–200 kN	Insufficient force causes mold shift and flash
Positioning Accuracy	±0.02 mm	Tighter tolerance ensures mold alignment
Operating Temperature	-20–120 °C	Exceeding range may deform fixture
Ingress Protection	IP54–IP65	Protects against dust and water jetsIEC 60529
Material Grade	S45C–S55C	Higher carbon for wear resistanceGB/T 699
Surface Hardness	HRC 40–50	Hardness affects durabilityGB/T 230.1
Weight	50–150 kg	Heavier fixtures require crane handling
Footprint	600×600–1200×1200 mm	Must fit within press platen area

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

Base Plate Part
Provides stable mounting surface for the mold assembly

Material: Steel
Clamping Mechanism
Applies and maintains pressure to hold mold halves together

Material: Steel alloy
Alignment Pins/Bushings Part
Ensures precise alignment of mold halves during assembly

Material: Hardened steel
Quick-Release Handles Part
Enables rapid mold changeover between production runs

Material: Steel with rubber grip

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Silicone Molding Station

View system integration details

Manufacturers of Mold Assembly / Fixture

Manufacturer profiles associated with Mold Assembly / Fixture.

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Frequently Asked Questions

What is the primary function of a Mold Assembly/Fixture?

The primary function is to securely hold and position the mold halves during silicone injection, curing, and demolding, ensuring precise alignment and proper closure to produce consistent parts with minimal defects.

What materials are commonly used for this fixture?

Common materials include steel and aluminum alloy, with material grades such as S45C–S55C and surface hardness of HRC 40–50, as referenced in the directory. These are reference values and should be confirmed for the specific model.

What are the typical operating parameters?

Typical parameters include clamping force of 50–200 kN, operating pressure of 0.6–1.0 MPa, operating temperature of -20 to 120°C, positioning accuracy of ±0.02 mm, and ingress protection of IP54–IP65 (per IEC 60529). These are directory reference ranges.

How should I verify the specifications for my application?

You should verify all model-specific values and standards with the legal manufacturer or supplier, as the directory provides reference ranges that may vary based on the actual model and application.

Data Basis

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

Preliminary Technical Classification

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pressure:	Up to 100 psi
other spec:	Flow Rate: 0-50 L/min, Slurry Concentration: Up to 60% solids by weight
temperature:	-20°C to +120°C

Mold Assembly / Fixture

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards