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41 views • October 7, 2018

Because I Can Part Three

KEITHFENNER.COM
KEITHFENNER.COM
Removing the material on new Main bearing caps to match block bore on Audi 2.1 L 5 cylinder. Part Three, Where the bit hits the metal, on half a bore, the Kenax custom main bearing caps. Sponsorship at; http://turnwrightmachineworks.com/ As promised, here is more info on the cap materials and the makers. The caps are made from SSAB Toolox 33 tool steel. I run it dry and with a lot of feed when making the caps, the chips turn purple when speed is right. Toolox 33 - Mechanical Properties +20°C Hardness (HBW) 300 Hardness (HRC) ~29 Yield strength Rp0.2 (MPa) 850 Tensile strength Rm (MPa) 980 Elongation, A5, (%) 16 Impact toughness, Charpy-V (J) 100 Machining parameters for turning (imperial): Vc (ft/min) 492-656 Feed rate (fn) min-max Insert grade P25 (in./rev) 0.008-0.016 https://www.ssab.com/products/brands/toolox/products/toolox-33 http://www.kenax.fi/ https://www.instagram.com/kenaxbillet/
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