HONGYI

Manufacturing Design Guide

Stainless Steel 303 vs 304: Which Should You Choose for CNC Machined Parts?

2026-09-29
Compare stainless steel 303 and 304 for CNC machined parts by machinability, corrosion exposure, welding, tolerances, total cost, and RFQ…
阅读更多 →

Insert Molding vs Overmolding: Which Process Fits Your Plastic Part?

2026-09-29
Compare insert molding and overmolding by function, materials, retention, tooling, inspection, total cost, and the RFQ details suppliers need.
阅读更多 →

How Should You Design Holes, Edge Distances, and Bend Reliefs in Sheet Metal Parts?

2026-09-29
Learn how to specify sheet metal hole size, edge clearance, hole spacing, bend distance, relief geometry, inspection, and RFQ details…
阅读更多 →

4140 vs 1045 Steel: Which Should You Choose for CNC Machined Parts?

2026-09-29
Compare 4140 and 1045 steel for CNC machined parts by load, machinability, heat treatment, tolerance, inspection, cost, and RFQ requirements.
阅读更多 →

How Should You Plan Gate Type and Gate Location for Injection Molded Parts?

2026-09-29
Learn how to specify injection molding gate type, location, vestige, degating, flow balance, inspection, and RFQ details before tooling release.
阅读更多 →

Progressive Die Stamping vs CNC Turret Punching: Which Process Fits Your Part?

2026-09-29
Compare progressive die stamping and CNC turret punching by geometry, material, tolerance, tooling, volume, inspection, revision risk, and RFQ needs.
阅读更多 →

How Can You Reduce Sink Marks and Warpage in Injection Molded Parts?

2026-09-29
Learn how wall thickness, ribs, gates, packing, cooling, resin selection, venting, inspection, and RFQ details reduce molding sink and warpage…
阅读更多 →

How to Specify Cosmetic Surfaces and Acceptable Tool Marks on CNC Machined Parts

2026-09-29
Learn how to specify CNC cosmetic zones, acceptable tool marks, Ra roughness, secondary finishes, inspection conditions, and complete RFQ details.
阅读更多 →

How Should You Specify Surface Roughness (Ra) for CNC Machined Parts?

2026-09-29
Learn how to specify Ra by surface function, material, geometry, machining process, tolerance, finishing method, inspection scope, and RFQ requirements.
阅读更多 →

Hot Runner vs Cold Runner Molds: Which System Fits Your Plastic Part?

2026-09-29
Compare hot and cold runner molds by resin, gate geometry, tolerances, tooling cost, maintenance, changeovers, inspection, and RFQ requirements.
阅读更多 →