CNC Machining Blog: Materials, Design, Cost, Quality & Process Guides

CNC Knowledge Hub

CNC Machining Blog Organized by Buyer Questions

Use these categories to find practical articles about CNC materials, surface finishes, machining processes, design for manufacturability, quoting, quality control, and industry applications. The blog is structured for engineers and sourcing teams who need clear answers before ordering custom CNC parts.

CNC milling service CNC turning service rapid prototyping surface finishing options inspection and quality request a quote

MMaterial GuidesCompare aluminum, stainless steel, brass, copper, titanium, plastics, and specialty alloys for CNC parts.58 articles FSurface FinishingChoose anodizing, plating, polishing, coating, heat treatment, and other post-machining finishes.63 articles TMachines, Tools & ProgrammingLearn about CNC machines, operations, tooling, drilling, tapping, reaming, CAM, and shop-floor setup.39 articles CDesign, Cost & SourcingReduce machining cost, prepare RFQs, improve DFM, control lead time, and choose the right CNC supplier.24 articles VProcess ComparisonsCompare CNC machining with casting, forging, 3D printing, fabrication, laser cutting, injection molding, and more.17 articles QQuality & TolerancesUnderstand tolerances, inspection, surface roughness, accuracy, quality control, and measurement planning.15 articles BCNC Machining BasicsFoundational explanations for CNC machining, subtractive manufacturing, process steps, and common terms.22 articles AMilling & TurningGuides for CNC milling, turning, lathe work, Swiss machining, mill-turn, and multi-axis machining.9 articles IIndustries & ApplicationsExplore CNC machining use cases for aerospace, medical, automotive, robotics, automation, and electronics.8 articles

Inspector checking a bent stainless steel mounting bracket against an industrial rail assembly

Sheet Metal Bracket Design: Bends, Loads, Holes, and Assembly Fit

Design reliable sheet metal brackets with suitable...

Aluminum backed LED circuit board being fitted to a finned machined heat sink on an electronics bench

Metal Core PCB Design: Thermal Paths and Heat Sink Integration

Specify a metal core PCB with dielectric thermal resistance,...

Investment cast small steel component beside a larger sand cast housing and foundry mold samples

Investment Casting vs Sand Casting: A Finished-Part Selection Guide

Choose investment or sand casting by geometry, alloy,...

Polymer assembly nest with steel locating pins and aluminum base holding a machined housing

3D Printed Tooling: Choosing Printed, Machined, or Hybrid Fixtures

Compare printed, CNC machined, and hybrid fixtures...

Engineer inspecting FR4 PCB laminate samples and a fitted circuit board beside a machined aluminum enclosure

FR4 PCB Material: Specifications, Grades, and Enclosure Design

Specify FR4 PCB material correctly using Tg, Td, CTE,...

anodized-aluminum-parts

Anodized Aluminum Parts Guide for CNC Buyers

2026-07-09

Practical buyer guide for anodized aluminum parts, covering materials, process route,...

Milling Machine Meaning: Parts, Operations, and Practical Uses - MTSPi CNC

Milling Machine Meaning: Parts, Operations, and Practical Uses

2026-07-09

Milling machine meaning is a practical question because the word is used in design...

What Is Milling? Process, Machines, Cutters, and CNC Uses - MTSPi CNC

What Is Milling? Process, Machines, Cutters, and CNC Uses

2026-07-09

What is milling is a practical question because the word is used in design reviews,...

small-batch-cnc-machining

Small Batch CNC Machining Guide for Low-Volume Orders

2026-07-09

Practical buyer guide for small batch cnc machining, covering materials, process...

Slot Milling Process: Cutters, Tolerances, Burrs, and Design Tips - MTSPi CNC

Slot Milling Process: Cutters, Tolerances, Burrs, and Design Tips

2026-07-09

Slot milling process is a practical question because the word is used in design reviews,...

Face Milling Process: Surface Finish, Flatness, Tools, and Tips - MTSPi CNC

Face Milling Process: Surface Finish, Flatness, Tools, and Tips

2026-07-09

Face milling process is a practical question because the word is used in design reviews,...

End Mill Types: Geometry, Materials, Coatings, and Applications - MTSPi CNC

End Mill Types: Geometry, Materials, Coatings, and Applications

2026-07-09

End mill types is a practical question because the word is used in design reviews,...

Milling Cutter Types: End Mills, Face Mills, Drills, and Inserts - MTSPi CNC

Milling Cutter Types: End Mills, Face Mills, Drills, and Inserts

2026-07-09

Milling cutter types is a practical question because the word is used in design reviews,...

Horizontal Milling Machine: Uses, Strengths, and CNC Buyer Notes - MTSPi CNC

Horizontal Milling Machine: Uses, Strengths, and CNC Buyer Notes

2026-07-09

Horizontal milling machine is a practical question because the word is used in design...

custom-metal-brackets

Custom Metal Brackets Manufacturing and Design Guide

2026-07-09

Practical buyer guide for custom metal brackets, covering materials, process route,...

low volume CNC machining

Low Volume CNC Machining Guide for Repeatable Small Runs

2026-07-09

Practical buyer guide for low volume cnc machining, covering materials, process route,...

Types of CNC Machines: Mills, Lathes, Routers, EDM, and More - MTSPi CNC

Types of CNC Machines: Mills, Lathes, Routers, EDM, and More

2026-07-08

Types of cnc machines is a practical question because the word is used in design...

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