CNC Machining Blog — Precision Engineering Guides
Practical articles on custom CNC machining — materials, tolerances, surface finishing and quality control, written by our engineering team.
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Latest Article · August 11, 2026
Coating Allowance for Precision CNC Parts
How to control final dimensions after plating.
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August 10, 2026
Ni + NTDC vs Ni + XADC®
Which nickel-chrome composite coating should you choose for your custom CNC part?
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August 10, 2026
CNC Machining Inspection Reports
How JF Precision verifies dimensions, tolerances, GD&T, threads, surface roughness and supporting documentation for custom CNC parts.
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August 10, 2026
Custom CNC Milled Parts Design Guide
How JF Precision evaluates geometry, tool access, workholding, datums, tolerances and inspection before CNC milling.
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July 19, 2026
Nickel-Chrome Composite Coating
Bi-Protec® nickel-chrome composite coating gives custom CNC parts dual protection against corrosion and wear.
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July 19, 2026
Diamond Thin Dense Chrome Coating
XADC® diamond thin dense chrome coating for wear-resistant shafts, sleeves and tooling, with coating allowance planning and final inspection.
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July 12, 2026
Custom CNC Turned Parts
Shafts, bushings, sleeves, pins and threaded components — manufacturing process, material selection, inspection methods and surface finishing.
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July 12, 2026
How to Prepare a CNC Machining RFQ
Complete guide on sending 3D files, 2D drawings, materials, tolerances, surface finishes and inspection requirements for accurate quotes.
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July 5, 2026
Custom CNC Machined Parts
How we turn customer drawings and 3D files into reliable machined components — from one-piece prototypes to repeat production.
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July 5, 2026
Custom CNC Machined Plastic Parts
POM, PEEK, PTFE, nylon, PC and ABS — deformation control, tight tolerances, and low-volume precision plastic manufacturing.
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