138T injection molding machine

As a flagship model for medium and small precision molding, the 138‑ton servo injection molding machine stands out as a highly versatile precision unit within the Special Injection Molding Machine Series. It targets mass production of lightweight components including small home appliance housings, 3C electronic fittings, daily plastic goods and compact automotive structural parts. Balanced clamping force, reliable plasticizing performance and competitive cost‑performance ratio make it a top pick for medium and small plastic processors to upgrade their Plastic Machinery and realize refined manufacturing. It fills the market gap where large‑tonnage equipment brings redundant capacity while small models lack sufficient molding capability.

 

Equipped with a new‑generation closed‑loop power control system, this optimized Servo Energy‑saving Injection Molding Machine overcomes common drawbacks of conventional ordinary Injection Molding Machine, such as high no‑load power consumption, delayed response and limited process compatibility. Supported by dynamic servo control for flow and pressure, the machine automatically adjusts power output for mold opening & closing, plasticizing, injection and holding according to the short‑cycle characteristics of small‑part production. It greatly cuts unnecessary energy loss and equipment heat accumulation under high‑frequency continuous operation, delivering remarkable power‑saving performance versus traditional hydraulic models. Its smooth and linear power delivery effectively reduces typical molding defects of small workpieces like flash, shrinkage, deformation and short shot, reconciling high‑speed manufacturing with low‑cost maintenance.

 

The clamping mechanism adopts precision alignment concepts from High‑precision Two‑plate Injection Molding Machines, upgraded with a lightweight yet rigid frame tailored for mid‑small tonnage. The machine frame undergoes precision machining and stress‑relief annealing. Thickened high‑tensile tie bars and high‑parallelism platens strengthen deformation resistance. Frequent mold opening‑closing and rapid mold change for medium & small Plastic Mold will not undermine consistent clamping accuracy and mold‑alignment parallelism, maintaining ultra‑low repositioning error. It is well suited for long‑run production with multi‑cavity precision molds and thin‑wall tooling, tightly controlling dimensional tolerance and surface flatness of tiny components to boost batch consistency and qualified yield.

 

The molding unit integrates proven hydraulic logic and refined injection technology, moving past rough configurations of generic equipment. It enables stable plasticization for PP, ABS, PC and various modified polymers, compatible with both standard resins and lightweight engineering blends. The upgraded injection closed‑loop system inherits the fast‑response merits of an Oil‑electric High‑speed Injection Molding Machine, enabling seamless switching among low‑speed stable melting, high‑speed injection and precision pressure holding. For thin‑wall, miniature and intricately structured precision plastic parts, it stabilizes melt homogeneity and fluidity, avoiding uneven plasticization, residual stress and surface discoloration. Finished products feature delicate appearance and dense internal structure, meeting quality benchmarks for premium consumer and electronic components.

 

To build cost‑effective automated production lines for medium and small manufacturers, the main machine supports flexible integration with complete sets of Plastic Auxiliary Equipment. Different kinds of Auxiliary machine can be selected freely based on product portfolio to form an automatic molding cell. The matched Autoloader Machine realizes sealed raw material feeding, eliminating manual dosing errors and workshop dust contamination for stable production. A dedicated Drying Machine removes adsorbed moisture from pellets to prevent bubbles, cracking and peeling caused by wet feedstock. Cooperating with a smart Mold Temperature Controller, it maintains constant mold temperature, accelerates solidification of thin‑wall products, shortens cycle time and lifts overall production efficiency and surface quality.

 

Thanks to wide application coverage and reliable running performance, it serves as a highly practical Support Injectionmolding Machine for the plastic sector. It handles high‑volume assembly‑line production of daily commodities and electronic accessories, as well as multi‑variety, small‑batch custom orders with frequent mold swaps. The intuitive touchscreen control system stores abundant mature molding recipes, supporting one‑click parameter recall, fine adjustment, fault diagnosis and production data statistics to lower operation and debugging barriers. Compact layout, low noise emission, low failure rate and convenient maintenance with industrial‑grade core components ensure outstanding durability. This model fully satisfies medium and small plastic enterprises pursuing cost reduction, refined production and diversified order acceptance, delivering a highly adaptable, low‑investment and high‑return molding solution for general plastic product manufacturing.