Ball-end Milling Cutter

From engine blocks to smartphone frames, from precision molds to aerospace components, milling cutters are the “teeth” of machining. Choosing the right one ensures smooth progress, while the wrong choice wastes material and delays production. One factory calculated that selecting the wrong milling cutter resulted in an extra ¥3,200 monthly tooling cost and a 20% drop in output.

Introducing the ball-end milling cutter from Zhongyeda China Tool Factory—the “Shaping Expert” for curved surface machining! Come select and purchase today!

Why Choose a Ball-End Milling Cutter?

Its hemispherical cutting edge and arc-transitioned tip create dynamic contact points during cutting, perfectly conforming to curved contours. It's the “top choice for curved surface finishing.”

Where can ball-nose cutters be applied?

• Mold cavity machining: Precision milling of curved surfaces in automotive body panel molds. A φ10mm ball-nose cutter machining P20 steel molds achieves a surface roughness of Ra0.4μm, eliminating the need for polishing.

• Complex curved components: Five-axis machining with ball-nose cutters enables one-pass forming of intricate surfaces like aircraft engine impellers and medical device joints;

• 3C product aesthetics: Milling curved surfaces on smartphone camera rings and smartwatch cases—diamond-coated ball-nose cutters ensure high-gloss finishes without tool marks.

Any real-world case studies?

At a new energy component factory, machining titanium alloy curved brackets switched to φ8mm ultra-fine-grain ball-nose cutters. Feed rates increased from 0.08mm/r to 0.12mm/r, boosting efficiency by 50% while maintaining surface accuracy within ±0.01mm.

Zongyeda Milling Cutter Factory offers these pitfall avoidance tips:

• Ball-end milling cutters have lower cutting efficiency than flat-bottom cutters; avoid using them for rough milling large flat surfaces.

• When machining hard materials, strictly control cutting depth (≤0.1mm) to prevent chatter marks.