Общий каталог Yamawa 2021 - страница 691

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Deflective Strength Hardness Indicator drop chamfer wear 16. Carbide Taps Intro Toughness and Hardness of Cemented Carbide and HSS Chamfer wear and number of holes of Carbide taps and HSS taps SP (mm) (MPa) Deflective StrengthHardness (HRA) CUTTING CONDITION SL Tap: M5×0.8 ISO2X(6HX)Chamfer: 3 pitches Machine: multi spindles Hole Size: Ø 4.2mm Thread Length: 10mm through PO Fluid: water solubleWorkpiece: GG25 HSS taps Carbide taps ST ROLL CARBIDE P50 UF · AU F·B SKHS1 SKH58 (SKH9) (AISI M7) Number of holes Cemented Carbide HSS LONG HAND Size M 2 x 0.4 M 8 x 1.25 M6x1 M 8 x 1.25 M 10 x 1.25 TAPS Features Material Plastic with glass fibre AlSi9Cu3(Fe) GG25 GG25 GG25 Workpiece Part’s name Electric Parts Car Parts Electric Parts Car Parts Car Parts EG (STI) Tapping holeThreadconditionØ 1.6 Throughcondition Ø 6.7 Blind Ø 5.0 Blind Ø 6.7 Blind Ø 8.7 Blind Tapping length 4 mm 18 mm 10 mm 16mm 18 mm Machine Special Machine Special Machine 4 spindle Machine Multi Spindle Machine Special Machine SPECIALTHREADS, Condition of use Cutting speedFluid 6.3 m/minDry 8.5 m/min 8 m/min 6 m/min 5.7 m/minWater solubleWater solubleWater solubleWater soluble GAUGES Carbide tap 10.000 75.400 53.000 18.860 38.500 Number HSS tap 200 1.000 1.000 300 500 of holes THREAD Comparisonof life 50 75.4 53 62.9 77 MILLS Note: In all situations, HSS taps being used are standard ones.Carbide taps, when used properly, bring out a long tool life. These data have come from end users of carbide taps. DIES CENTER DRILLS Technical info 692