Practical CNC machining buyer guides covering RFQ prep, tolerances, materials, lead time, cost, and prototype-to-production decisions.
CNC vs injection molding cost comparison: mold cost $3,000-100,000, CNC per-part cost, break-even quantity analysis by material and part size. When to CNC, when to mold, and the hybrid approach.
Engineering plastics for CNC machining compared: Delrin, PEEK, Nylon, ABS, HDPE, PTFE, and Polycarbonate. Properties, cost per kg, machinability, chemical resistance, and best applications with data tables.
Learn to decode CNC machining quotes: setup fees, programming charges, material markup, tooling cost, inspection fees, minimum lot charges, and shipping terms. Real quote examples with line-by-line breakdowns.
Stainless steel CNC machining comparison: 303, 304, 316, 17-4PH. Tensile strength, corrosion resistance, machinability ratings, cost per kg, and best applications for each grade with real data.
12 DFM rules for CNC machining that cut part cost 30-50%. Covers internal corner radii, wall thickness, hole depth, thread design, undercuts, text engraving, and tolerance optimization with real cost impact data.
Complete guide to transitioning CNC parts from prototype to production. Timeline benchmarks, cost reduction curves, quality gate checklist, and real data on how per-part cost drops from prototype to 1000+ units.
Compare aluminum grades for CNC machining: 6061 vs 7075 vs 5052 vs 5083 vs MIC-6. Properties, cost, machinability, anodizing quality, and best applications for each grade with real data tables.
CNC surface finish comparison: Ra 0.4 to Ra 6.3 μm, methods from as-machined to mirror polish, cost multipliers, and when each finish is needed. Real data with before/after part examples.
Complete guide to shipping CNC machined parts from China: air express vs air freight vs sea freight costs, transit times, customs documentation, Incoterms explained, and real shipping cost examples.
Complete guide to CNC machining tolerances: IT grade chart from IT5 to IT14, GD&T symbols explained, achievable tolerances by process, and how tolerance choice affects part cost.