Общий каталог Yamawa 2022 - 2023 - страница 1213

20. Carbide Taps ■Toughness and Hardness of Cemented Carbide and HSS ■Chamfer wear and number of holes of Carbide taps and HSS taps Description of products Deflective Strength (MPa) (HRA) Hardness Cutting Condition Tap : M5×0.8P4 Chamfer : 3 pitches Machine : Machine with multi spindles Hole Size : φ4.2mm Thread Length : 10mm Through Fluid : water soluble Workpiece : FC250 Indicator drop chamfer wear HSS taps Deflective Strength Carbide taps Hardness P50 UF・A UF・B SKH51 SKH58 (SKH9) (AISI M7) Number of holes Cemented Carbide HSS ■Carbide Tap examples and comparison of tool life Size M2×0.4 M8×1.25 M6×1 M8×1.25 M10×1.25 Classification Material Plastic with glass fiber ADC12 FC250 FC250 FC250 Workpiece Part's name Electric Parts Car Parts Electric Parts Car Parts Car Parts Tapping Hole. φ1.6 Through φ6.7 Blind φ5.0 Blind φ6.7 Blind φ8.7 Blind Thread condition Condition Tapping Length Machine Special Machine Special Machine 4 spindle Machine Multi Spindle Machine Special Machine Condition Cutting Speed of Use Fluid Dry Water soluble Water soluble Water soluble Water soluble Carbide Tap Number HSS Tap of Holes Comparison of Life Note : In all situations, HSS taps being used are standard ones. Information Carbide taps, when used properly, bring out a long tool life. Technical These datum have come from end users of carbide taps. Technical-62