CN Mould & Plastic Limited

Machine Maintenance Studies

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, ...
29
01, 2026
Practical Guide to Hot Runner Maintenance in Injection Molding
Hot runner systems are essential for efficient, high-quality injection molding—but they require regular maintenance to perform reliably. Over time, issues like contamination, wear, misalignment, or f...
23
01, 2026
Mechanical Drive System: Common Failures and Maintenance Solutions
The mechanical drive system is a core component of various industrial equipment, and its stable operation directly impacts production efficiency and equipment lifespan. However, various failures inevi...
14
01, 2026
Oil Valve Repair
The control system of an injection molding machine relies heavily on various solenoid valves, with spool-type directional valves being the most widely used in hydraulic control systems. The term "...
01
01, 2026
Daily Machine Maintenance Checklist
Regular maintenance is crucial for extending the lifespan of your machinery and ensuring safe, efficient operation. Here’s a practical daily checklist to keep your equipment in top condition.1. Bolt ...
12
12, 2025
Sliding Feet
The sliding feet mechanism for the moving platen is an auxiliary device used to support the moving platen and ensure that the four tie bars do not bend. If this device is adjusted too tightly, it will...
27
11, 2025
Lubrication Maintenance
Moving parts of the machine are equipped with lubrication devices and lubrication points.1. Fixed-Resistance Lubrication SystemThis system is configured with damping distributors. When the lubrication...
21
11, 2025
Heating Barrel and Circuit Maintenance Guide
The heating barrel serves as the core component of the injection molding machine's thermal system. The heating circuit plays a vital role in the plasticizing process, typically governed by tempera...
12
11, 2025
Injection Molding Machine Safety Mechanism Maintenance Guidelines
Electrical Safety Protection mechanismThe front and rear safety doors of the injection molding machine are equipped with limit switches for protection. Before injection starts, the safety doors must b...