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Read DongXin updates, manufacturing insights and practical notes about custom molding, tooling and production support.

Oct 26, 2026by 3137129241

Injection Mold Ejection System: How to Prevent White Marks and Part Deformation

An injection mold ejection system must release the molded part without concentrated force, visible whitening, drag, or distortion. This buyer-focused guide compares ejector pins, sleeves, lifters, stripper plates, and other ejection approaches, then explains how to diagnose white marks and deformation through mold design, trial evidence, and RFQ requirements.

Oct 22, 2026by 3137129241

Injection Mold Cooling System Design: How to Reduce Cycle Time and Control Warpage

An injection mold cooling system must remove heat evenly, not simply move water through the tool. This buyer-focused guide explains cooling layout, cycle-time drivers, warpage risks, design evidence, and trial validation before steel cutting.

Oct 21, 2026by 3137129241

Injection Mold Gate Design for Better Part Quality: Gate Types, Weld Lines, and Cosmetic Risk Control

Injection mold gate design influences how plastic fills, packs, cools, and leaves the tool. This buyer-focused guide explains gate types, weld-line control, cosmetic risk, validation records, and the information needed for a project-specific tooling review.

Oct 19, 2026by 3137129241

Injection Mold Tolerance Standards for OEM Plastic Parts: Drawing, CMM & Acceptance Guide

Injection mold tolerance should be defined by product function, resin behavior, geometry, measurement method, and the applicable drawing standard—not by a single “tight tolerance” claim. This guide shows OEM buyers how to specify plastic part dimensions, apply tolerance standards, plan CMM inspection, manage T0/T1 validation, and create measurable acceptance criteria before tooling approval.

Oct 16, 2026by 3137129241

Injection Mold T0 Sample Approval Process: What OEM Buyers Need to Check

This guide explains how OEM buyers should evaluate a t0 mold trial, from dimensional and appearance inspection to defect feedback, mold modification and T1 verification. It provides a practical approval process for controlling tooling risk before production release.

Oct 13, 2026by 3137129241

How Does Injection Mold Manufacturing Work? Complete Process From Design to Production

How does injection mold manufacturing work? This guide explains the complete process from product design review, DFM, mold engineering, machining, assembly, trial molding, inspection, and validation to stable production. It helps OEM buyers understand how professional mold manufacturers control quality, cost, and manufacturing risks before investing in tooling.

Oct 12, 2026by 3137129241

How to Improve Injection Mold Quality: 12 Control Points From DFM to Stable Production

How to improve injection mold quality is not simply a matter of using harder steel or tighter machining tolerances. This guide shows OEM buyers, engineers, and sourcing teams how to improve mold quality through clearer CTQ requirements, DFM, mold design, machining control, trial validation, process capability, defect analysis, maintenance, and supplier quality management.

Oct 10, 2026by 3137129241

Hot Runner vs Cold Runner Mold: Which Is Better for Cost, Production Volume, and Long-Term Tooling?

Hot runner vs cold runner mold—which is better depends on much more than the initial mold price. This guide helps OEM buyers compare material waste, production volume, cycle requirements, resin behavior, maintenance, color changes, automation, and total cost per acceptable part before selecting a runner system.