Основной каталог Winstar 2021 - страница 655

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Solid Thread Mills ETH Series ■ Recommended Cutting Conditions for ETTNM for ETMNM Work Material Vc (m/min) Feed (mm/t) Vc (m/min) Feed (mm/t) Carbon Steel / Alloy Steel 60 ~ 90 0.02 ~ 0.08 50 ~ 70 0.02 ~ 0.07 Stainless Steel 60 ~ 90 0.02 ~ 0.08 50 ~ 70 0.02 ~ 0.07 Cast Iron 50 ~ 100 0.03 ~ 0.10 50 ~ 100 0.03 ~ 0.10 Aluminum Alloy 50 ~ 100 0.02 ~ 0.06 50 ~ 70 0.03 ~ 0.10 High Temperature Alloy 20 ~ 60 0.01 ~ 0.03 20 ~ 60 0.01 ~ 0.03 Hardened Steel 30 ~ 60 0.01 ~ 0.03 25 ~ 50 0.01 ~ 0.05 ※ To choose uncoated tool for aluminum materials machining. ■ ETTNM Cutting method Machine h1 distance at the bottom of the hole and move the tool to the center of the hole. (h1 = 3 Pitch) Machine h2 distance while moving in Z axial direction. Repeat operation to finish the hole. Remark h2 value set : 1. for Machining General materials, h2 = 3 Pitch. 2. for Machining Heat resistant alloys or High hardness material, h2 = 1 Pitch. D006 Solid Thread MillsThreading