Mold Trials & Acceptance

Boundary Sample Approval — How Do You Set Upper and Lower Limit Samples to Define the Acceptable Quality Range for Your Injection Molded Parts?

September 2, 2026
Switchover Point Optimization — How Do You Set the V-P Switchover to Prevent Over-packing, Under-packing and Dimensional Variation in Your…
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Boundary Sample Approval — How Do You Set Upper and Lower Limit Samples to Define the Acceptable Quality Range for Your Injection Molded Parts?

September 2, 2026
Burn Marks in Injection Molding — How Do You Identify the Root Cause, Where Do They Occur, and What Process…
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First Article Inspection (FAI) — How Do You Run the FAI Process, What Do You Measure, and What Is the Acceptance Criterion for Every Dimension?

September 2, 2026
Where Do Weld Lines Form — and How Do You Move Them Away from High-Stress Areas? Last updated: 2026-09-03 ·…
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Mold Runoff Video — What Should You Include in the Trial Video, How Do You Film It, and Why Is It a Critical Part of the Mold Acceptance Package?

September 2, 2026
Last updated: 2026-09-04 · 5 min read Flow Mark Prevention — How Do You Eliminate the Wavy Lines Near the…
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Mold Texturing Approval — How Do You Select the Right Texture, Approve the Texture Sample, and Avoid the Costly Mistakes That Require Re-Texturing?

September 2, 2026
Last updated: 2026-09-04 · 5 min read Short Shot Diagnosis — How Do You Identify the Root Cause of Incomplete…
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T2 Sample Inspection — What Must Be Verified After the Mold Modification, and How Do You Confirm That the Fix Resolved the T1 Issues Without Introducing New Ones?

September 2, 2026
Last updated: 2026-09-04 · 5 min read Flash in Injection Molding — What Causes It, How Do You Diagnose the…
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T1 Mold Trial Documentation Package — What Reports, Samples and Data Must the Mold Maker Deliver After the First Trial, and How Do You Review Them?

September 2, 2026
Last updated: 2026-09-05 · 5 min read Sink Marks in Injection Molding — Why Do They Appear on Ribs, Bosses…
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Mold Runoff and Final Acceptance — What Steps Must Be Completed Before the Mold Leaves the Factory and Ships to Your Plant?

September 2, 2026
Last updated: 2026-09-05 · 5 min read Jetting in Injection Molding — What Causes the Snake-Like Surface Defect and How…
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T2 Mold Trial Acceptance — What Must Be Verified Before the Mold Is Approved for Production?

September 2, 2026
Last updated: 2026-09-02 · 5 min read Burn Marks in Injection Molding — What Causes the Black or Brown Discoloration…
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Injection Mold Maintenance Schedule — What Should Be Inspected Daily, Weekly and by Shot Count?

September 2, 2026
Last updated: 2026-09-02 · 5 min read Warpage in Injection Molding — What Causes It and How Do You Fix…
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First Article Inspection (FAI) for Injection Molded Parts — What Does the Process Actually Include?

September 2, 2026
Last updated: 2026-09-02 · 5 min read Weld Lines in Injection Molding — What Causes Them and How Do You…
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What Happens at a Mold Trial (T1) — and How Should You Prepare for It?

September 2, 2026
Last updated: 2026-09-02 · 5 min read What Causes Sink Marks in Injection Molded Parts — and How Do You…
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