HONGYI

Manufacturing Design Guide

Rapid Tooling vs Production Molds: Which Should You Choose?

2026-09-29
Compare rapid tooling and production molds by resin, geometry, tolerances, demand, inspection, tooling risk, total program cost, and RFQ needs.
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Drilling vs Reaming vs Boring: How Should You Specify Precision Holes?

2026-09-29
Learn when to specify drilling, boring, or reaming and how to define hole size, position, finish, inspection, and RFQ requirements…
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How Should You Plan Undercuts, Slides, and Lifters for Injection Molded Parts?

2026-09-29
Plan injection mold undercuts, slides, and lifters by pull direction, travel, clearance, sequencing, tooling risk, sample approval, and RFQ data.
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How Should You Specify Tolerances for Metal Stamped Parts?

2026-09-29
Learn how to specify metal stamping tolerances by feature, material, process route, springback, datum strategy, inspection scope, and RFQ details.
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How Should You Specify Parting Lines, Ejector Marks, and Gate Vestiges?

2026-09-29
Learn how to specify parting lines, ejector marks, gate locations, vestige limits, cosmetic zones, inspection criteria, and mold RFQ requirements.
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What Production Volume Justifies Progressive Die Stamping?

2026-09-29
Learn when progressive die stamping may justify its tooling by comparing annual volume, geometry, material, tolerances, forecast risk, and total…
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Single-Cavity vs Multi-Cavity vs Family Molds: Which Strategy Fits Your Project?

2026-09-29
Compare single-cavity, multi-cavity, and family molds by demand, resin, geometry, tolerance, tooling risk, inspection scope, and total program cost.
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How Should You Plan Mold Texture, Gloss, and Color for Cosmetic Plastic Parts?

2026-09-29
Learn how to specify mold texture, gloss, resin color, draft, cosmetic inspection, and RFQ details for consistent injection-molded plastic parts.
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When Should You Add Precision Grinding After CNC Machining?

2026-09-29
Learn when CNC parts need precision grinding for tight tolerances, fine finishes, heat-treated dimensions, geometric form, and critical fits.
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How Should You Design Deep-Drawn Metal Parts for Reliable Stamping?

2026-09-29
Learn how material, draw ratio, radii, wall variation, draw stages, blankholding, tolerances, inspection, and RFQ details support reliable stamping.
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