CN Mould & Plastic Limited

Machine Maintenance Studies

10
07, 2026
Mold Won't Open? Here's How to Diagnose and Fix Hydraulic and Mechanical Issues
When an injection molding machine fails to open the mold, production stops and troubleshooting becomes urgent. This problem is typically caused by hydraulic or mechanical issues. Below is a breakdown ...
24
06, 2026
Barrel Heater Installation and Maintenance for Injection Molding Machines
Proper installation and regular maintenance of barrel heaters are essential for consistent heating performance and energy efficiency in injection molding. Below are the key points to follow.1. Install...
19
06, 2026
Why Can't the Injection Molding Machine Open? Causes and Solutions
During injection molding production, operators may occasionally encounter a situation where the mold cannot be opened after clamping. This problem not only interrupts production but may also indicate ...
12
06, 2026
Hopper Dryer Troubleshooting: Common Issues and Maintenance Tips
The hopper dryer is an essential piece of equipment for injection molding machines. It removes moisture from plastic pellets, ensuring stable material quality during the injection process. However, ho...
12
05, 2026
Injection Molding Machine Clamping Unit Maintenance Guide
The clamping unit of an injection molding machine operates under repeated high forces and high-speed movements. Proper adjustment, regular use, and routine maintenance are essential to extending the s...
06
05, 2026
Injection Molding Machine Noise: Causes & Fixes
When Does Noise Typically Occur?After a relatively long period of downtime — such as during holidays, planned shutdowns, equipment repairs, or hydraulic oil changes — you may notice unusually high n...
15
04, 2026
Cooling System Inspection and Maintenance
The cooling system removes heat from the injection molding machine through heat transfer, controlling the temperature to ensure product quality and equipment stability. Therefore, regular inspection a...
09
04, 2026
Hydraulic Oil Contamination: Sources, Risks, and Prevention
Hydraulic oil contamination is one of the critical factors affecting the performance and service life of hydraulic systems. It not only leads to equipment failures but also shortens component lifespan...
05
03, 2026
Troubleshooting Injection Molding Machine Hydraulic Systems: What to Do When the Oil Pump Fails to Deliver Oil
The hydraulic system is the core of an injection molding machine's operation. When hydraulic circuit failures occur—especially when the oil pump fails to deliver oil—it can lead to complete mach...
04
02, 2026
Injection Molding Machine Installation: 7 Key Considerations for a Stable Foundation
Proper installation is the first critical step to ensuring the long-term performance, accuracy, and reliability of an injection molding machine. A poorly installed machine can lead to premature wear, ...