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 3 4 inch hss drill is used on a piece of leaded 11l17 steel with a brinnel hardness of 100. Stainless steel 400 series and ph. 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. Recommended cutting speeds in feet per minute for turning milling drilling and reaming ferrous cast metals.

Are unlikely to be substantial enough for the successful machining of stainless steels. Stainless steel 200 300 series. Recommends sfm feed rates and point angles for hss twist drills for various workpiece materials. High efficiency milling can be a very effective machining technique in stainless steels if the correct tools are selected.

Free machining plain carbon steels resulfurized 1212 1213 1215. Helical solutions offers the hev 5 end mill which is an. Gray cast iron 180 hb. Cutting speed 50 fpm diameter of cutter 1 00.

And hb brinell hardness number. 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. Calculate the rpm setting to perform this cutting operation.

Traditionally high speed steel hss tools have been used for drilling and reaming but carbide tipped tools are also used for specialised jobs or long production runs. Q and t quenched and tempered. Speeds for turning based on a feed rate of 0 012 inch per revolution and a depth of cut of 0 125 inch. Hss twist drill recommended speeds and point angles.

A 1 00 inch high speed steel hss drill is being used on a piece of 1045 steel with a brinnel hardness of 300.