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,...

Multilayer PCB Guide for Mechanical Engineers: Design, Enclosures, Heat, and CNC Interfaces - MTSPi CNC manufacturing scene

Multilayer PCB Guide for Mechanical Engineers: Design, Enclosures, Heat, and CNC Interfaces

2026-09-03

A mechanical engineer's guide to multilayer PCBs, enclosure fit, heat transfer, mounting,...

Precision Metal Stamping: What Determines Part Accuracy and When CNC Is Better - MTSPi CNC manufacturing scene

Precision Metal Stamping: What Determines Part Accuracy and When CNC Is Better

2026-09-03

Learn what controls precision metal stamping accuracy and when CNC machining is better...

Counterbore vs Countersink Holes: Design Differences, Uses, and CNC Machining Notes - MTSPi CNC manufacturing scene

Counterbore vs Countersink Holes: Design Differences, Uses, and CNC Machining Notes

2026-09-03

Understand counterbore and countersink holes, when to use each, and how to specify...

SLM vs SLA: How to Choose Between Metal and Resin 3D Printing - MTSPi CNC manufacturing scene

SLM vs SLA: How to Choose Between Metal and Resin 3D Printing

2026-09-03

Compare SLM and SLA 3D printing by material, accuracy, strength, finish, cost, and...

4-Layer PCB Basics for Product Developers: Stackup, Uses, and Mechanical Design Notes - MTSPi CNC manufacturing scene

4-Layer PCB Basics for Product Developers: Stackup, Uses, and Mechanical Design Notes

2026-09-03

Learn what a 4-layer PCB is and how mechanical design choices affect CNC enclosures,...

Cleanroom Injection Molding vs Standard Molding: Key Differences for Precision Parts - MTSPi CNC manufacturing scene

Cleanroom Injection Molding vs Standard Molding: Key Differences for Precision Parts

2026-09-03

Compare cleanroom injection molding and standard molding by contamination control,...

Face mill and peripheral cutter machining different surfaces of steel blocks

Face Milling vs Peripheral Milling: Differences and Selection Guide

2026-08-25

Compare face and peripheral milling by cutter engagement, surface orientation, tooling,...

Plaster casting mold with a finished aluminum engineering component

Plaster Mold Casting: Process, Materials, Design, and Machining

2026-08-25

Understand plaster mold casting steps, compatible alloys, design rules, defects,...

Machinist operating a manual vertical mill on an aluminum workpiece

Manual Milling: Process, Applications, Accuracy, and CNC Comparison

2026-08-25

Learn how manual milling works, where it excels, its accuracy limits, common operations,...

Precision machined bronze and copper components beside a digital caliper

Is Bronze More Expensive Than Copper? CNC Cost Guide

2026-08-22

Compare bronze and copper cost by alloy grade, stock form, machinability, finished-part...

White acetal and cream nylon CNC machined parts with a caliper on an inspection bench

Acetal vs Nylon: CNC Machining and Material Selection Guide

2026-08-20

Compare acetal and nylon for CNC machined parts, including moisture response, dimensional...

High-strength CNC-machined metal specimens and components on a metrology bench

Strongest Engineering Metals: 10 Choices for Machined Parts

2026-08-19

Compare ten high-strength metal families by yield, hardness, toughness, hot strength,...

Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Next