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CNC Machining Blog

The YuanYi blog shares practical knowledge from our day-to-day experience in CNC machining and precision manufacturing. We write to help engineers, designers, and buyers better understand materials, machining methods, tolerances, surface finishes, and part design, making it easier to plan projects and make better manufacturing decisions.

CNC Turning in China
CNC Turning in China: Top Manufacturers & Buying Guide

China has a well-established machining supply chain that can provide overseas customers with CNC turning, Swiss-type...

Top 12 Aerospace CNC Machining Manufacturers
Top 12 Aerospace CNC Machining Manufacturers in China

Finding the right aerospace CNC machining manufacturer in China requires more than comparing prices. Aerospace projects...

AI assisted CNC programming and toolpath optimization
AI in CNC Machining: Applications and Future Trends

For precision manufacturers, AI is not replacing CNC machines or experienced engineers.Rather, it functions as a...

Precision CNC machine
What Is Precision Machining? Processes, Advantages, Types, Applications, and Costs
Learn what precision machining is, how CNC machining works, common machining processes, applications, materials, costs, and...
Swiss-Type Machining
What Is Swiss Machining? A Complete Guide to Swiss-Type CNC Machining

Swiss Machining is a CNC turning process specifically designed for manufacturing small, high-precision, and slender parts....

Top 10 Swiss CNC Machining Manufacturers
Top 10 Swiss CNC Machining Manufacturers in China 2026

Swiss CNC machining, also referred to as Swiss-type or sliding headstock machining, is a highly regarded...

Top 10 Aerospace CNC Machining Companies in USA
Top 10 Aerospace CNC Machining Companies in USA 2026

Finding suitable aerospace CNC machining companies in the United States can be difficult, as aerospace manufacturing...

Top 12 Medical CNC Machining Companies
Top 12 Medical CNC Machining Companies in 2026

Medical devices demand a high level of accuracy and dependability, making medical CNC machining a crucial...

5 axis cnc machining parts 1
In what situations is 5-axis CNC machining required?

Not all parts require 5 axis CNC machining. For simple flat parts, brackets, or standard structural...

What Is a Bevel
What Is a Bevel? Types, Applications, and a Guide to CNC Machining

In mechanical design, welding, and CNC machining, a bevel is a common design feature. Many people...

CNC machining titanium with coolant and heat-resistant cutting tools
5-Axis Titanium Machining: Cost, Quality and Lead Time Guide

Titanium is strong, lightweight and corrosion-resistant, but its poor heat dissipation and high cutting forces make...

5 axis cnc machining
What Is CNC Machine used for? — A Practical Guide for Buyers to Modern Precision Manufacturing

Why Are More and More Manufacturing Companies Turning to CNC Machining? When a company is preparing...

Common types of non-ferrous metals including aluminum, copper, brass, bronze, titanium, magnesium and nickel alloy
What Are Non-Ferrous Metals? Types, Properties & Applications

Non-ferrous metals are metals and alloys in which iron is not the primary base metal. Common...

Engineering composite materials including carbon fiber, fiberglass, metal matrix and ceramic composites
What Is a Composite Material? Types, Properties, Examples & Uses

A composite material is made by combining two or more different materials to create properties that...

Anodized CNC aluminum parts in black blue and clear finishes
Aluminum Anodizing Guide: Types, Colors, Thickness & CNC Design Tips

Aluminum anodizing is an electrochemical surface treatment that converts the outer surface of aluminum into a...

Cast iron vs steel properties differences and CNC machining
Cast Iron vs Steel: Differences, Properties & CNC Machining Guide

Cast iron and steel are both iron-based materials, but they behave very differently in manufacturing and...

Galvanized steel vs aluminum for CNC machining
Galvanized Steel vs Aluminum: Which Is Better for CNC Machining?

Galvanized steel generally offers higher stiffness, higher absolute strength, and lower raw material cost. Aluminum is...

Types of gears
Types of Gears: Differences, Applications and How to Choose

Gears transfer motion and power between rotating parts, but different gear types behave very differently. Spur...

Acetal vs Delrin
Acetal vs Delrin: Key Differences, Properties and Machining

Acetal and Delrin are closely related, but they are not exactly the same material. Acetal is...

Sheet Metal Gauge Chart
Sheet Metal Gauge Chart: Steel, Stainless, Aluminum & More

Use the sheet metal gauge charts below to convert common gauge numbers into thickness in inches...

What is aluminum's symbol Al
What Is Aluminum’s Symbol? Chemical Symbol Al Explained

The chemical symbol for aluminum is Al, and its atomic number is 13. The symbol uses...

What is the softest metal cesium comparison
What Is the Softest Metal? Properties, Hardness & Comparison

Cesium is generally considered the softest solid metal, with a Mohs hardness of about 0.2. It...

Density of iron
Density of Iron: kg/m³, g/cm³, lb/in³ & Weight Calculation

The density of pure iron is approximately 7.87 g/cm³, equal to 7,870 kg/m³ or about 0.284...

What Are Metalloids
What Are Metalloids? Elements, Properties, and Uses Explained

Metalloids are elements that have properties between metals and nonmetals. They may look metallic, but they...

CNC cutting tools selection guide for precision machined parts
CNC Cutting Tools: Types, Materials, Coatings, and Selection Guide

CNC cutting tools are the tools that physically remove material during milling, turning, drilling, boring, threading,...

What is a bottoming tap
What Is a Bottoming Tap? A Guide to Blind Hole Threading

A bottoming tap is a thread-cutting tool with a very short chamfer, typically about 1–2 threads....

Types of CNC machines
Types of CNC Machines: 9 Common Types and How to Choose

The main types of CNC machines include CNC mills, lathes, Swiss machines, mill-turn centers, gantry machines,...

Counterbore vs countersink
Counterbore vs Countersink: Differences, Uses & How to Choose

A counterbore and a countersink are both recessed hole features used to seat fastener heads, but...

NPT thread size chart with dimensions TPI and tap drill sizes
NPT Thread Size Chart: Dimensions, TPI & Tap Drill Sizes

NPT (National Pipe Taper) is a 60° tapered pipe thread commonly used for fluid, pneumatic, and...

Honing process
Honing Process: How It Works, Types, Tolerances & Applications

Honing is a precision abrasive machining process mainly used to finish internal bores. A honing tool...

6 Essential Wood Lathe Turning Tools
6 Essential Wood Lathe Turning Tools and What They Are Used For

The six essential wood lathe turning tools are a spindle roughing gouge, spindle gouge, bowl gouge,...

38-16 tap drill size guide showing drill bit and threaded hole
3/8-16 Tap Drill Size: Complete CNC Machining Guide

When making a threaded hole, it is important to select the right drill size to ensure...

CNC machining engineering drawing guide
Engineering Drawing Symbols and Abbreviations: Complete Guide for CNC Machining

When you send a CNC machining project to a manufacturer, one of the first things engineers...

CNC machining software workflow showing CAD CAM programming, toolpath simulation, and CNC manufacturing process
How CNC Machining Software Improves Production Efficiency

CNC machining software improves production efficiency by helping engineers create better toolpaths, reduce programming time, prevent...

Examples of CNC machined parts made with a CNC machine including metal brackets, housings, shafts, and industrial components
What Can You Make With a CNC Machine? CNC Products & Applications

A single CNC machine is capable of producing thousands of different items, ranging from simple brackets...

CNC milling machine engraving a precision aluminum part
Can a CNC Machine Engrave Metal?

Yes. CNC machine tools can not only machine metal parts, but also engrave text, numbers, logos,...

CNC machining datum reference showing precision part positioning
What Are Datums in CNC Machining? Definition, Types, and Applications

A datum in CNC machining serves as a theoretical reference point, line, or plane that helps...

CNC machining tolerances inspection using CMM measurement
CNC Machining Tolerances: Standards and Accuracy

Modern CNC machining tolerances are influenced by several factors such as the machine’s performance, the characteristics...

CNC wire EDM machine cutting a metal workpiece in a precision machining workshop
What Is a CNC Wire Cut Machine? Wire EDM Process Explained

Wire EDM is like slowly cutting through a metal material with a “live wire.” Its cutting...

CNC milling center
What Is a CNC Machine Shop?

A CNC machine shop is a manufacturing facility that uses CNC machine tools to produce custom...

Engineer reviewing a CAD model for 5-axis CNC machining design and DFM analysis
How to Design Parts for 5 Axis CNC Machining: Practical DFM Tips

Five-Axis Machining does indeed allow access to parts from multiple angles and reduces the number of...

5-axis CNC programming with CAM toolpaths for complex aluminum part
What Is 5-Axis CNC Programming? Toolpaths, CAM & Simulation

5-axis CNC programming is the process of creating toolpaths for a 5-axis CNC machine. The programmer...

What is Rapid Prototyping
What Is Rapid Prototyping? Methods & CNC Applications

Rapid prototyping plays an important role in the development of products.It allows for the fast production...

What is broaching machining
What Is Broaching Machining? How It Works, Types & Common Applications

In modern mechanical manufacturing, CNC milling and CNC turning are widely known, while broaching machining is...

What Is a CNC Router Machine
What Is a CNC Router Machine? Everything You Need to Know

A CNC router is a machining device that uses computer programs to automatically control the movement...

What Is Electron Beam Machining
What Is Electron Beam Machining? Process, Advantages & Applications

Electron Beam Machining is a high-precision, non-traditional machining process that utilizes the high energy generated by...

What Is Runout in Machining
What Is Runout in Machining? Causes, Effects & How to Reduce It

In CNC machining, even if the machine tool has very high precision, runout in the cutting...

How to Program a CNC Machine
How to Program a CNC Machine: A Beginner’s Guide

CNC programming typically involves creating a CAD model, generating toolpaths in CAM software, outputting G-code, and...

cnc machine that cuts wood and metal
The Ultimate Guide to CNC Machines for Cutting Wood and Metal

Discover the ultimate CNC machine that cuts wood and metal with our comprehensive guide. Learn key...

CNC lathe versus CNC mill comparison showing a turning operation on a shaft and a milling operation on a housing
CNC Lathe vs CNC Mill: Differences, Applications & How to Choose

The main difference between a CNC lathe and a CNC mill is what rotates during machining....

cnc cheap
Affordable Precision: The Complete Guide to CNC Cheap Machines

Discover how to find a quality, cheap CNC milling machine without sacrificing performance. Our complete guide...

cnc small
Unlock Precision with CNC Small Machines: A Comprehensive Guide

Explore the complete guide to small CNC machines. Learn best practices and solutions, from key features...

budget cnc milling machine
Affordable Precision: A Complete Guide to Budget CNC Milling Machines

Discover how to find the perfect affordable CNC milling machine for your workshop with our comprehensive...

mini cnc
Master Precision at Home with a Mini CNC Machine

Explore the complete guide to household mini CNC machines: Learn about key technical specifications, industry applications,...

8 axis cnc machine
8 Axis CNC Machines: What Makes Them Different and Why You Need One

Elevate manufacturing excellence with our guide to 8 Axis CNC machines. Explore key features, industry applications...

high precision cnc router
Maximize Your Production Quality with High Precision CNC Routers

Unlock CNC efficiency with our ATC CNC machine guide. Explore CNC router auto tool changer benefits,...

used mill
Everything You Need to Know About Buying a Used Mill

Unlock CNC efficiency with our ATC CNC machine guide. Explore CNC router auto tool changer benefits,...

mini mill dro
Maximize Your Mini Mill’s Potential with Digital Readout (DRO) Technology

Unlock CNC efficiency with our ATC CNC machine guide. Explore CNC router auto tool changer benefits,...

cnc router auto tool changer
CNC Router Auto Tool Changer: Revolutionizing How We Make Parts

Unlock CNC efficiency with our ATC CNC machine guide. Explore CNC router auto tool changer benefits,...

big milling machine
Big Milling Machines: The Backbone of Large-Scale Manufacturing

Explore the ultimate guide to big milling machines. Learn about the key features, industry applications, and...

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