LSR Silicone Injection Molding Machine

LSR Liquid Silicone Injection Molding Machine 

Automatic High-Precision Overmolding System

Overview

The ZY-DS-LSR Series Liquid Silicone Rubber (LSR) Injection Molding Machine is a fully automatic, high-precision molding system engineered for liquid silicone processing and advanced overmolding applications.

Designed for industrial-grade production environments, this system integrates high-pressure injection, intelligent temperature control, precision clamping, and optional vacuum systems for bubble-free molding.

Suitable for medical, automotive, electronics, baby products, sealing components, and technical silicone parts.

Core System Features

• Dedicated LSR injection unit

• High-pressure hydraulic clamping system

• Multi-stage precision temperature control

• Closed-loop injection control

• Automatic material feeding system

• Optional vacuum system for air-bubble prevention

• Electric + hydraulic hybrid drive configuration

• CE, SGS, ISO9001 compliant manufacturing

Injection Unit

• Precision screw injection system

• High injection pressure up to 235 MPa (depending on model)

• Multi-speed injection rate control

• Accurate metering for LSR materials

• Controlled injection stroke

• Stable screw rotation (0–300 rpm depending on configuration)

Clamping Unit

• Clamping force range: 350T to 2000T

• Hydraulic clamping with high structural rigidity

• Adjustable mold thickness range

• Large platen size options

• Optimized tie-bar spacing for various mold formats

• Stable parallelism under high-pressure operation

Automation & Control

• PLC-based intelligent control system

• Touchscreen human-machine interface

• Programmable injection parameters

• Automatic cycle operation

• Overlapping molding capability

• Real-time pressure and temperature monitoring

• Fault alarm and diagnostic system

LSR-Specific Advantages

• Specialized cold runner shut-off nozzle

• Thermal isolation board design

• Dedicated LSR metering system

• High-precision dosing for two-component silicone

• Optimized anti-bubble injection design

• Multi-chemical system compatibility (semi-automatic, servo high-speed optional)

Performance Advantages

• High repeatability and dimensional stability

• Suitable for complex silicone geometries

• High productivity cycle time

• Reduced material waste

• Long-term operational stability

• Designed for continuous industrial production

Available Models (Clamping Force Range)

• ZY-350DS-LSR

• ZY-550DS-LSR

• ZY-850DS-LSR

• ZY-1000DS-LSR

• ZY-1200DS-LSR

• ZY-1600DS-LSR

• ZY-2000DS-LSR

(Custom industrial configurations available upon request.)

Technical Range (Depending on Model)

• Injection pressure: Up to 235 MPa

• Clamping force: 350–2000 tons

• Injection rate: Up to 346 cm³/s

• Temperature control zones: Multi-stage precision

• System pressure: 13.7 MPa

• Electric power range: 7.5 KW – 30 KW

• Industrial 3-phase power configuration

Applications

• Medical-grade silicone components

• Baby care products

• Automotive seals and gaskets

• Electronic protective parts

• Food-grade silicone components

• Industrial sealing systems

• Multi-material overmolding

Ideal For

• High-volume silicone manufacturers

• Medical device producers

• Automotive suppliers

• Precision polymer processing plants

• OEM industrial molding facilities