CN Mould & Plastic Limited

Machine Maintenance Studies

06
11, 2025
Rust in Injection Molds: Prevention and Solutions
Rust is a common but often overlooked enemy of injection molds. Simply put, it's the oxidation of steel, and it can wreak havoc both inside and out – compromising part quality, damaging mold surf...
29
10, 2025
Hydraulic System - Oil Pump: Inspection & Maintenance Guide
Regular maintenance of the hydraulic oil pump is crucial for ensuring system reliability and longevity. Here’s a structured guide to inspecting and repairing key components of the pump.Inspection Che...
24
09, 2025
Troubleshooting Guide: Action-Based Categories
(1) No Action, No Display① Turn off power. Use a multimeter (ohm setting) to check for shorts between AC220V and DC lines, between different DC voltages, and between DC lines and the machine chassis....
15
09, 2025
Mechanical Drive System Components and Inspection - The Barrel
At the heart of the injection unit lies a critical component: the barrel, also known as the plasticizing or injection cylinder. Working in close partnership with the screw, this cylindrical chamber ho...
01
09, 2025
Mechanical Transmission System Components and Inspection - Tie Bars
Tie bars, also known as tie rods or guide pillars, play a crucial role in the mold-clamping device of injection molding machines. They serve two key functions: first, forming a rigid frame together wi...
21
05, 2025
Troubleshooting Guide
Strict process control is the key to producing products that are completely consistent, meet strict tolerances, and satisfy various quality standards. The troubleshooting guide described here mainly a...
12
05, 2025
Mold Storage and Maintenance
I. Mold Storage(I) Basic Requirements for Mold Storage Management1. All molds to be stored in the warehouse should be accompanied by mold drawings (at least the assembly drawing and drawings of vulner...
17
04, 2025
Maintenance and Care of Injection Molding Machines
To enhance productivity, factories may operate nearly 24 hours a day. Assuming 25 operational days per month, the machine will accumulate 600 hours monthly and 7,200 hours annually. Since injection mo...
26
06, 2024
How to do Maintenance of the Mold Clamping Mechanism?
The clamping mechanism is in a state of repeated force and high-speed movement when working, so reasonable adjustment and regular maintenance are necessary to extend the life of the injection molding ...
15
06, 2024
How to do Maintenance of Injection Molds in Production?
There are many kinds of injection molding products, and the molds used by factories in production are also various and frequently changed. During the use and preservation of the mold, it must be maint...