Общий каталог Yamawa 2021 - страница 691

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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) Deflective Strength (MPa) (HRA) CUTTING CONDITION Hardness Tap: M5×0.8 ISO2X(6HX) SL Chamfer: 3 pitches Machine: multi spindles Hole Size: Ø 4.2mm Thread Length: 10mm through Indicator drop chamfer wear Fluid: water soluble PO Workpiece: GG25 HSS taps Deflective Strength Carbide taps Hardness ST ROLL CARBIDE P50 UF · AU F·B SKHS1 SKH58 (SKH9) (AISI M7) Number of holes Cemented Carbide HSS LONG Size HAND 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 Tapping hole Ø 1.6 Through Ø 6.7 Blind Ø 5.0 Blind Ø 6.7 Blind Ø 8.7 Blind EG (STI) Thread condition condition Tapping length 4 mm 18 mm 10 mm 16mm 18 mm Machine Special Machine Special Machine 4 spindle Machine Multi Spindle Machine Special Machine Condition Cutting speed 6.3 m/min 8.5 m/min 8 m/min 6 m/min 5.7 m/min of use SPECIAL Fluid Dry Water soluble Water soluble Water soluble Water soluble THREADS, Carbide tap 10.000 75.400 53.000 18.860 38.500 GAUGES Number HSS tap 200 1.000 1.000 300 500 of holes Comparison 50 75.4 53 62.9 77 of life THREAD Note: In all situations, HSS taps being used are standard ones. MILLS 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