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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.

Comparison of aligned and misaligned axes on a precision stepped shaft
Concentricity in GD&T: Meaning, Measurement & Alternatives

Concentricity in GD&T describes how the centers of circular features relate to a common reference axis....

Machine screw size chart showing metric screw sizes, lengths, and different head types
Machine Screw Size Chart: US & Metric Diameters, Thread Sizes and Measurement Guide

Machine screws are threaded fasteners commonly used to assemble metal components, machinery, electronics, and precision equipment....

Metal hardness illustration comparing indentation depth in softer and harder metals
Hardness of Materials: Types, Testing Methods, Charts, and Applications

Material hardness is the ability of a material to resist localized permanent deformation, such as indentation,...

Comparison of internal and external thread milling processes on CNC machined metal components
Thread Milling: Process, Types, Advantages, and Tapping Comparison

Thread milling is a CNC machining process used to produce internal and external threads with a...

Powder coating vs painting comparison on identical CNC machined aluminum housings
Powder Coating vs Painting: Which Is Better for Metal Parts?

Powder coating generally offers better durability, scratch resistance, and cost efficiency for high-volume metal parts. Painting...

Common welding defects including cracks, porosity, undercut, slag inclusion, lack of fusion, and incomplete penetration
12 Common Types of Welding Defects: Causes and Prevention

Welding defects are imperfections that can affect the strength, appearance, dimensional accuracy, or reliability of a...

Young's modulus and stress-strain curve explaining material stiffness
Stiffness of Material: Definition, Young’s Modulus, and Stiffness vs. Strength

Material stiffness describes how strongly a material resists elastic deformation when a force is applied. A...

Metal heat treatment process showing heating soaking and controlled cooling
Heat Treatment of Metals: Processes, Types & CNC Machining Guide

Heat treatment of metals is a controlled process of heating, holding, and cooling metal to change...

Thin gauge vs thick gauge sheet metal thickness comparison
Thin Gauge vs Thick Gauge Sheet Metal: Differences, Costs & How to Choose

Choosing between thin gauge and thick gauge sheet metal affects more than part strength. Thickness also...

Common casting defects including porosity, shrinkage, inclusions, cold shuts, hot tears and flash
Casting Defects: 18 Common Types, Causes and How to Prevent Them

Casting defects are unwanted irregularities that affect the appearance, dimensions, strength, or performance of a cast...

Common types of fasteners including bolts, screws, nuts, washers, studs, rivets, pins and threaded inserts
Types of Fasteners: 12 Common Types and How to Choose Them

Fasteners are mechanical components used to join, secure, locate, or retain two or more parts. Common...

CNC milling operations on a machined aluminum part
12 Types of Milling Operations: Processes, Uses, and How to Choose

Milling operations are different ways a rotating cutting tool removes material to create specific features on...

aluminum CNC machining
What Is CNC Aluminum? A Guide to CNC Aluminum Machining

If you are looking for “CNC Aluminum,” this typically refers to aluminum parts produced through CNC...

CNC machining materials guide
CNC Machining Materials Guide: How to Choose the Right Material

CNC machining can process a wide variety of metals, engineering plastics, composites, and other engineering materials....

Is Titanium Magnetic
Is Titanium Magnetic? Here’s What You Need to Know

Pure titanium is generally considered a non-magnetic metal. It is not strongly attracted to magnets in...

Is stainless steel magnetic
Is Stainless Steel Magnetic? 304, 316 & Other Stainless Steel Grades Explained

Stainless steel is not always magnetic. Some grades, such as 430 and 410 stainless steel, are...

Is aluminum magnetic
Is Aluminum Magnetic? Why Magnets Don’t Stick to Aluminum

Aluminum is generally considered a non-magnetic metal. Under normal circumstances, magnets do not attract aluminum the...

6061-vs-7075-aluminum
6061 vs 7075 Aluminum: Differences, Strength & Uses

Choosing between 6061 vs 7075 aluminum usually comes down to one question: do you need better...

does-tungsten-rust
Does Tungsten Rust? Exploring Its Durability and What You Need to Know

# Complete Guide to Does Tungsten Carbide Rust – Best Practices & Solutions Learn everything you...

303-stainless-vs-304
303 Stainless vs 304: Key Differences and Best Uses

Explore the differences between 303 and 304 stainless steel in this comprehensive guide. Learn about their...

303-vs-304
303 vs 304 Stainless Steel: Key Differences and Best Practices

Learn everything you need to know about the differences between 303 and 304 stainless steel, their...

melting-point-of-iron
Complete Guide to the Melting Point of Iron: Crucial Info for Metal Processing

Learn everything you need to know about the melting point of iron, its practical applications in...

can-you-weld-titanium-to-steel
Can You Weld Titanium to Steel? Expert Guide and Best Practices

Learn everything you need to know about titanium welding, including the best practices, challenges, and expert...

316-vs-410-stainless-steel
316 vs 410 Stainless Steel: Cost Comparison & Best Selection Guide

Learn everything you need to know about the differences between 316 and 410 stainless steel, their...

CNC operator setting up a CNC milling machine in a modern workshop
How to Use a CNC Machine: Basic Operation Steps

Using a CNC machine means preparing the machine, setting up the workpiece and tools, running the...

Comparison of 3+2 axis machining and simultaneous 5 axis machining on a complex aluminum part
3+2 Axis vs Simultaneous 5 Axis Machining: Which Should You Choose?

When searching for 5-axis machining services, many people come across two machining methods: 3+2-axis machining and...

5-axis CNC machining software optimizing toolpaths for complex curved aluminum components
How 5 axis machining software improves complex part production

Many people assume that high-quality 5-axis machining mainly depends on the CNC machine itself. In reality,...

5-axis CNC machine cutting a complex aluminum part
What Can a 5-Axis CNC Machine Do? Common Questions Answered

A 5-axis CNC machine can machine a part from more directions compared to a standard 3-axis...

5 Axis on a CNC Machine
What Are the 5 Axis on a CNC Machine? X, Y, Z, A and B Axis Explained

Walk into any manufacturing workshop equipped with a 5-axis machining center, and you’ll hear engineers discussing...

CNC system
What Is a CNC System? A Complete Guide to Components & Functions

If we compare a CNC machine to the human body, then the CNC system is equivalent...

cnc machining tools
What Are CNC Machining Tools? Types, Uses & Tool List Explained

Machining tools refer to the tools and equipment used in the machining process to cut material,...

Understanding the 5-axis CNC machine
What Are the 5 Axes on a CNC Machine? Understanding X, Y, Z, A & B Axes

Simply put, a 5-axis CNC machine tool consists of three linear axes (X, Y, Z) and...

metal clippers tool
How to Use Metal Clippers Tool: A Step-by-Step Guide to Perfect Cuts

Discover the ultimate guide to metal cutting tools. Learn how to choose and use the best...

cutting tools electrical
How to Master Cutting Tools Electrical: A Step-by-Step Guide to Selection and Operation

Master cutting tools electrical with our complete guide. Explore best practices, technical specs & industry applications....

plasma-cutting-capabilities
How to Master Plasma Cutting Capabilities: A Step-by-Step Guide to Advanced Techniques

Unlock the full potential of plasma cutting capabilities with our complete guide. Learn best practices, key...

how-do-plasma-cutters-work
How Do Plasma Cutters Work: Your Ultimate Guide to Principles & Applications

Discover how plasma cutters work in our complete guide. Learn key principles, best practices, and advanced...

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...

Manual milling machine operation with machinist
Manual Milling: Process, Machines, Applications & CNC Comparison

Manual milling is a machining process where an operator controls the movement of the machine instead...

Top 10 CNC Milling Companies in China
Top 10 CNC Milling Companies in China (2026 Guide)

China has many machine shops, but the machinery they use, their engineering knowledge, and their quality...

Top 8 5 Axis CNC Machining Manufacturers in China
Top 8 5 Axis CNC Machining Manufacturers in China (2026)

China has emerged as one of the world’s leading destinations for 5 axis CNC machining, offering...

Top Advantages of 5-Axis CNC Machining for Complex Parts
Top Advantages of 5 Axis CNC Machining for Complex Parts

For parts with complex structures and high precision requirements, traditional 3-axis machining typically requires multiple setups,...

CNC Lathe Machine
What Is a CNC Lathe Machine? Types, Parts & Applications Explained

A CNC lathe is an automated turning machine that uses pre-programmed instructions to control the machine’s...

What Is CNC Milling
What Is CNC Milling? Process, Machines, Materials, Costs & Design Tips

CNC milling is a computer-controlled subtractive manufacturing process that uses a rotating multi-blade tool to remove...

mr1-cnc-mill
MR1 CNC Mill Mastery: The Complete Guide to Precision Desktop Machining

Complete Guide to MR1 CNC Milling Machine: Discover Key Features, Technical Specifications & Industry Applications. Master...

bantam desktop cnc
Bantam Desktop CNC Mastery: The Complete Guide to Precision Desktop Machining

Complete Guide to Bantam Desktop CNC: Discover Key Features, Industry Applications & Best Practices. Access Precision...

flour-mills
Flour Mills Mastery: The Complete Guide to Grain Grinding Technology & Solutions

Discover the complete guide to CNC milling and grinder solutions. Learn best practices, key features, and...

home-mill
Home Mill Mastery: The Complete Guide to Precision CNC Machining & Workshop Solutions

Discover the power of a home mill for superior grain processing. Our complete guide covers best...

best mill
Finding the Best Mill for Your Home: The Complete Guide to Grain Grinding Excellence

Discover the best mill for your home with our complete guide. Learn key features, selection criteria...

precision micromachining
The Complete Guide to Precision Micromachining: How to Master Small-Scale Manufacturing

Unlock the potential of precision micromachining. Our complete guide covers best practices, selection criteria, and future...

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