Milling Stainless Steel With Hss

Machines should not be prone to excessive vibration in the machine bed drives and gear boxes or at the cutting tool or its mountings.

Milling stainless steel with hss.

A 1 00 inch high speed steel hss drill is being used on a piece of 1045 steel with a brinnel hardness of 300. Q and t quenched and tempered. Are unlikely to be substantial enough for the successful machining of stainless steels. Helical solutions offers the hev 5 end mill which is an.

This article gives suggested feeds and speeds for drilling and reaming taken from the bssa stainless steel specialist course training note no9 machining stainless steels. In high speed steel hss drills this heat will cause the tool to lose its hardness. Speeds for turning based on a feed rate of 0 012 inch per revolution and a depth of cut of 0 125 inch. And hb brinell hardness number.

Recommends sfm feed rates and point angles for hss twist drills for various workpiece materials. Calculate the rpm setting to perform this cutting operation. Cutting speed 50 fpm diameter of cutter 1 00. Small training or hobbies lathes and milling machines intended for machining mild steel brasses etc.

High efficiency milling can be a very effective machining technique in stainless steels if the correct tools are selected. Recommended cutting speeds in feet per minute for turning milling drilling and reaming ferrous cast metals. Free machining plain carbon steels resulfurized 1212 1213 1215. Hss twist drill recommended speeds and point angles.

Stainless steel 200 300 series. Stainless steel 400 series and ph. Gray cast iron 180 hb. In solid carbide drills microcracks can form on the cutting edges which will eventually cause the drill to fail.

Chipbreaker roughers would make an excellent choice in either 5 or 7 flute styles while standard 5 7 flute variable pitch end mills can also perform well in hem toolpaths.