Mold Technical

Why Does Material Decompose If It Stays in the Barrel Too Long?

2026-10-09
Why Does Material Decompose If It Stays in the Barrel Too Long?In injection molding production, there is a type of defect that is very difficult to troubleshoot: the product intermittently shows bl...

Why Does an Excessive Regrind Ratio Cause Strength Reduction?

2026-10-09
Why Does an Excessive Regrind Ratio Cause Strength Reduction?In injection molding production, the use of regrind is an unavoidable topic. Sprue material, rejects, and edge trim, once ground up and ...

Why Does PP Usually Not Require Drying, While PA Must Be Dried?

2026-10-09
Why Does PP Usually Not Require Drying, While PA Must Be Dried?On the injection molding floor, the arrangement of the drying step often confuses people: PP (polypropylene) pellets are poured out of...

Why Does Inadequate PC Drying Cause Silver Streaks?

2026-10-09
Why Does Inadequate PC Drying Cause Silver Streaks?The silver streak problem in PC (polycarbonate) is arguably one of the most classic—and most easily misdiagnosed—defects on the injection molding ...

Why Must Certain Materials Be Dried Before Injection Molding?

2026-10-09
Why Must Certain Materials Be Dried Before Injection Molding?On the injection molding floor, there is one step that seems like "unnecessary extra work": plastic pellets that look dry and feel dry t...

Why Must Injection Speed Be Controlled in Stages During the Injection Molding Process?

2026-10-09
Why Must Injection Speed Be Controlled in Stages During the Injection Molding Process?In the injection molding process, injection speed is one of the few parameters that can directly determine prod...

When Do Problems Surface: Incorrect Barrel Temperature Zone Settings?

2026-10-09
When Do Problems Surface: Incorrect Barrel Temperature Zone Settings?Incorrect barrel temperature zone settings are a problem in injection molding that is "neither too big nor too small." Not too b...

Why Does Insufficient Clamping Force Cause Mold Bulging, While Excessive Clamping Force Causes Poor Venting?

2026-10-09
Why Does Insufficient Clamping Force Cause Mold Bulging, While Excessive Clamping Force Causes Poor Venting?In injection molding, clamping force is a parameter that "pleases no one." Set it too low...

Why Does Increasing Mold Temperature Sometimes Improve Weld Lines but Sometimes Worsen Sink Marks?

2026-10-09
Why Does Increasing Mold Temperature Sometimes Improve Weld Lines but Sometimes Worsen Sink Marks?In injection molding, mold temperature is a parameter that people both love and hate. Raise the mol...

What Are the Machining Difficulties of Multi-Cavity Molds for Plastic PET Buckets?

2026-10-08
What Are the Machining Difficulties of Multi-Cavity Molds for Plastic PET Buckets?Multi-cavity molds for PET buckets (or large preforms) are among the more difficult categories in mold machining. U...

How Should CNC Precision Machining Be Arranged for Multi-Cavity Molds?

2026-10-08
How Should CNC Precision Machining Be Arranged for Multi-Cavity Molds?The difficulty in CNC machining of multi-cavity molds is not "milling out each cavity," but making every cavity identical. A si...

When Do Mold Machining Errors Surface as Problems?

2026-10-08
When Do Mold Machining Errors Surface as Problems?In the mold industry, there is a saying that is often repeated: mold problems never reveal themselves at the moment they are made wrong—only when t...

Why Use Hot Runners? How Can Mold Costs Be Reduced?

2026-10-08
Why Use Hot Runners? How Can Mold Costs Be Reduced?In mold development, "hot runners" and "mold costs" are often discussed together. A common understanding is: hot runners save material, so they sa...

During Mold Development, Which Points on the Product Drawing Must Be Carefully Reviewed?

2026-10-08
During Mold Development, Which Points on the Product Drawing Must Be Carefully Reviewed?In mold development, the product drawing is the starting point of the entire process. Only after the mold mak...

Why Should Mold Drawings Be Provided in CAD Format?

2026-10-08
Why Should Mold Drawings Be Provided in CAD Format?In mold procurement and manufacturing, drawings are the technical language through which both parties communicate. In the past, this language was ...

Why Should You Request Mold Structure Drawings from the Mold Maker in Addition to Product Drawings?

2026-10-08
Why Should You Request Mold Structure Drawings from the Mold Maker in Addition to Product Drawings?In mold procurement, a very common practice is this: the buyer sends the product drawings to the m...

When Purchasing Molds, Which Parts of the Mold Drawings Provided by Suppliers Must Be Carefully Reviewed?

2026-10-08
When Purchasing Molds, Which Parts of the Mold Drawings Provided by Suppliers Must Be Carefully Reviewed?During the mold procurement process, many buyers focus their attention on quotations, delive...

Why Do Plastic Frame Molds Tend to Flash, and How Can It Be Solved from a Mold Design Perspective?

2026-10-08
Why Do Plastic Frame Molds Tend to Flash, and How Can It Be Solved from a Mold Design Perspective?Anyone who has spent time on an injection molding floor is familiar with the term "flash." This is ...

Our Company Breaks Through the Core Technology of Super-Large Logistics "Chuan" Pallet Gas-Assisted Injection Molds, Helping Global Smart Warehousing Reduce Costs and Increase Efficiency!

2026-10-07
Our Company Breaks Through the Core Technology of Super-Large Logistics "Chuan" Pallet Gas-Assisted Injection Molds, Helping Global Smart Warehousing Reduce Costs and Increase Efficiency!— China's ...

Technical Guide to Gymnasium Chair Mould Processing

2025-12-23
A complete technical guide to gymnasium chair mould processing. Covers product structure analysis, DFM review, 3D mould design, cavity and core machining, high-speed milling, EDM, conformal cooling, e

Technical Characteristics of Electric Motorcycle Wheel Cover Molds

2025-12-23
A complete technical guide to electric motorcycle wheel cover molds. Covers product structure, material selection, parting surface design, hot runner gating, conformal cooling, ejection systems, slide

Practical Assembly Techniques for Automotive Part Molds

2025-12-23
A complete practical guide to automotive part mold assembly. Covers parts inspection, mold base assembly, cavity and core alignment, slide and lifter assembly, ejection systems, hot runner systems, co

Operating Rules for Mold Fitters

2024-01-23
A complete operating rules guide for mold fitters. Covers safety procedures, personal protection, lifting and power tool safety, pre-operation preparation, assembly sequences, mold base and cavity ass

Technical Characteristics of Plastic Beer Crate Molds

2024-01-23
A complete technical guide to plastic beer crate molds. Covers product structure, thin-wall design, multi-cavity molds, hot runner gating, conformal cooling, strong ejection systems, venting design, m

In-Mold Label Multi-Cavity Packaging Bucket Mold Solution

2024-01-23
A complete IML multi-cavity packaging bucket mold solution. Covers in-mold label process principles, label materials, cavity layout, hot runner gating, conformal cooling, electrostatic label placement

Process Sequencing for Mold CNC Machining

2024-01-22
mold CNC machining, process sequencing, mold manufacturing, datum first principle, rough before fine, surface before hole, cavity and core machining, mold base plate machining, slide machining, lifter

Built to Last: Why MOTEK's Durable Blow Molds Win Repeat Orders

2024-01-22
A complete multi-cavity hollow blow molding oil drum solution. Covers blow molding principles, parison design, cavity layout, clamping and trimming systems, blowing systems, conformal cooling, wall th

Development and Production of Multi-Cavity Molds for Plastic Food Containers

2024-01-22
A complete guide to developing and producing multi-cavity molds for plastic food containers. Covers cavity number selection, cavity layout, hot runner gating, conformal cooling, air-assisted ejection,
WhatsApp:Lynn
WhatsApp:Jack
Email:Contact Us