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From the business, for the world: News about Rollyu

What's happening in the CNC industry and Rollyu? What trends and innovations shouldn’t be missed? Learn more and check out rollyu's news.

2026-01-20

Acetal vs. Delrin: Key Machining and Performance Differences

Delrin offers raw strength, while Acetal provides chemical stability. This guide breaks down the performance differences to help you avoid part failure and unnecessary costs.

2026-01-16

4140 vs 4130 Steel: Which Alloy is Best for Your Project?

Choosing between 4130 and 4140 affects strength, wear life, and manufacturing risk across machining, heat treat, and welding. 4130 suits welded or formed structures for toughness and fabrication ease, while 4140 is preferred for higher strength and wear resistance after heat treat.

2026-01-11

What Is Deburring and Why It Matters for Your CNC Parts?

Burrs affect fit, safety, and part life. Learn what causes them, how to remove them, and how to specify burr free edges or edge breaks for consistent CNC results.

2026-01-08

Precision Boring Machining: Processes, Tools and Applications

Boring enlarges and trues existing holes for precision fits. Explore setups, roughing and finishing techniques, key tools, and common applications in aerospace, automotive, and heavy equipment.

2025-12-31

Titanium vs. Aluminum: Machinability, Cost and Performance

Compare the strength, weight, and machining costs of titanium and aluminum. Choose the right metal for high-performance aerospace, medical, and marine parts.

2025-12-30

Copper vs. Bronze: Which One Should You Use for Your Project?

Excerpt Copper excels in conductivity, while Bronze offers superior durability and lower machining costs. Compare mechanical properties and pricing to select the ideal alloy for your project.

2025-12-28

Hardness of Materials: What It Is and Why It Matters

Hardness protects parts but drives up manufacturing costs. This guide explains industry testing standards and helps you choose the right material to save time and money.

2025-12-26

6061 Aluminum vs 7075 Aluminum: Which One Should You Choose for CNC Machining?

6061 Aluminum is versatile and affordable; 7075 delivers aerospace strength. Compare properties and cost to pick the best alloy for your CNC project.

2025-12-25

Zinc Alloy vs Stainless Steel: Cost and Manufacturing Guide

Zinc Alloy vs. Stainless Steel: Material choice drives 50% of costs. Compare properties, manufacturing (Die Casting vs. CNC), and budget trade-offs to optimize your project.

2025-12-24

Welding Sheet Metal: How to Prevent Warpage in Precision Parts

Don't let heat stress ruin your precision parts. Learn the professional methods for managing thermal expansion and preventing distortion during the sheet metal welding process.

2025-12-18

Metal Strength Chart: How to Choose the Right Alloy for Your Project

Compare alloy properties with our Metal Strength Chart. Find the perfect material for your project with this essential selection guide.

2025-12-16

Grade 2 vs Grade 5 Titanium: Key Differences for Machining

Stop scrapping expensive parts. Grade 2 and Grade 5 behave like enemies in the machine—we break down exactly how to handle both without killing your profit.

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