Knowledge-JKINGS Abrasive

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KNOWLEDGE

Why Do Cutting Discs Break from the Middle?

At JKINGS, we take every piece of customer feedback seriously. Recently, several clients have reported instances where cutting discs fractured from the center during operation. After thorough technical analysis and field testing at our Yongkang facility, our engineering team has identified the root cause—and it is not a product defect.

2026

Why is My Cutting Disc Turning Blue?

If you've noticed your cutting disc turning blue during operation, you're witnessing a clear sign of overheating. This discoloration isn't just cosmetic—it's a warning that your cutting process needs adjustment. In this comprehensive guide, we'll explain why cutting discs turn blue, what it means for performance and safety, and how to prevent it.

2026

Rail Cut-Off Wheels: Essential Guide for Efficient Railroad Track Maintenance

This technical guide covers everything maintenance crews need to know about rail cut-off wheels: from 14-inch aluminum oxide discs for light rail to heavy-duty 16-inch zirconia wheels for thermite weld removal, including speed ratings, safety standards (EN 12413, OSHA), and machine compatibility.

2026

Can I Use the Same Disc for Steel and Aluminum?

You should NEVER use the same cutting disc for both steel and aluminum. This is one of the most common questions we receive at JKINGS, and the answer is clear: using the same disc for ferrous and non-ferrous metals causes serious problems that affect safety, performance, and work quality.

2026

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ONLINE MESSAGE

JKINGS is a global industrial brand committed to high-performance abrasives and tools. Built on advanced Industry 4.0 manufacturing and extensive OEM expertise, we deliver precision, durability, efficiency, and reliability for cutting, grinding, and beyond.