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Stainless Steel Drilling

Jinan Supertime Technology Co.,Ltd | Updated: Jul 12, 2017

About stainless steel:

Stainless steel, simply referred to as SS, has several distinct characters, such as plasticity, work hardening, easy to accumulate shavings, which are always worsen processed surface.

stainless steel.jpg

Why difficult to drill?

1. Cutting force is 25% higher than 45# carbon steel (normalizing), with higher hardening level and in depth.

2. Lower thermal conductivity, 1/3 of 45# carbon steel, produces more heat and leads to higher cutting temperature.

45# carbon steel.jpg

3. Drill to fast or too slow, makes stainless steel work-hardened, makes even harder to drill through.

4. Due to high cutting temperature, work hardening, carbide existing forms foreign inclusion, drilling tools are easily to wear, have low durability.

stainless steel drilling.jpg

Some suggestions:

To enhance drilling tools durability, guarantee chip breaking and removal, it’s necessary to choose the right drill bit, hand pressure, drill speed, keep drilling tools cool. Apart from this, should change the geometric parameters, rational cutting output.


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