DH-i Two-platen Injection Molding Machine

Clamping unitInjection unitDriven systemController
H: 4800kN-70000kN two platen structure
i: double injection cylinder with 1516cm³-67906cm³ injection volumeHydraulic pump driven by servo motorKeba


  • DH-i Two-platen Injection Molding Machine

Introduction

DH full hydraulic series injection molding machine is of two-platen, dual cylinder injection unit and clamping force from 480 – 7000 tons. Its modularized design, free match-up of clamping and injection units can cater to customer needs, and also reduce floor area occupation and costs. The super efficiency servo IMM is being energy saving and environmentally friendly, and configured with sensitive servo driving system to give quick response. With customizable super large mold thickness and opening stroke, the machine models are especially suitable for deep-cavity plastic products of sizable mold thickness demand. 


Commonly injection molding machines are toggle type, also called three platen machine, with a front, middle and back platen, but two-platen injection molding machine goes by straight clamping, with only front and back platen. The mold opening force of two platen injection molding machine is comparatively large, which makes it easy to process products of deep cavity, big material volume and complex shape, with even higher mold clamping accuracy. Besides, two platen injection molding machine can realize the independent closed-loop control of high-pressure hydraulic clamping cylinders through the development of special structure and control software. In the global market, China's ultra-large two platen injection molding machine technology currently holds the lead position.

Design Highlights:

Extra Mold Thickness Clamping Force

Stroke can be further enlarged depending on customer demand.

Extra Mold Thickness Clamping Force

Big Mold-bearing Capacity

High performance and super long two - board sliding foot mechanism.

Big Mold-bearing Capacity

Synchronous braking structure

Smaller braking cylinder and faster speed, the independent braking system control is adapted to molds with nitrogen spring.

Synchronous braking structure

Modularized Design

 Flexible function configuration, to satisfy personalized customer needs.

Modularized Design

Clamping tie-bar piston structure

The pressurized cylinder is built into platen to reduce cumulative error in processing and assembly;


The anti-rotation structure of the piston tiebar is changed to a flat key type to avoid improper operation when tightening the platen thread, resulting in uneven force on the tiebar thread and unilateral force;


The piston structure is externally suspended and internally suspended, which effectively reduces the stress concentration at the beginning of the thread of the drawbar;


The automatic exhaustion function of the pressurizing cylinder makes the clamping pressure more stable.

Clamping tie-bar piston structure

Feature:

  • High precision: quick response of clamping force, repeatability precision of molding opening position within ± 0.5 mm and of injection position within ± 0.5 mm.

  • Stable and energy-saving: leading servo dynamic system deployed, 30ms high response and save 30%~80% energy compared to the traditional hydraulic system

  • Flexible: can be applied to varying types of molds.


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