Q & A details -硬质合金球的加工等级有哪些?
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硬质合金球的加工等级有哪些?

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硬质合金球的加工等级有哪些

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  • 0086279936

    0086279936 2016-12-27 10:50:33

    STANDARDS & TOLERANCES ( ISO 3290 - 1998 ) Grade Variation of Deviation Surface Lot diameter Gauge Preferred Subgauge Subgauges ball diameter from spherical roughness Variation Interval gauges Interval VDws Max. form tDw Max. Ra Max. VDwL Max. IG G3 0.08 0.08 0.01 0.1 0.5 -5,..-0.5 0,+0.5,...+5 0.1 -0.3 0, + 0.1+ 0.2 G 5 0.13 0.13 0.014 0.25 1 -5,.. -1, 0,+1,...+5 0.2 -0.6 0, + 0.2+ 0.4 G 10 0.25 0.25 0.02 0.5 1 -9,.. -1, 0,+1,...+9 0.2 -0.6 0, + 0.2+ 0.4 G 16 0.4 0.4 0.025 0.8 2 -10,..-2, 0,+2,...+10 0.4 -1.2 0, + 0.4+ 0.8 G 20 0.5 0.5 0.032 1 2 -10,..-2, 0,+2,...+10 0.4 -1.2 0, + 0.4+ 0.8 G 24 0.6 0.6 0.04 1.2 2 12,..-2, 0,+2,...+12 G 28 0.7 0.7 0.05 1.4 2 -12,..-2, 0,+2,...+12 0.4 -0.8 - 0.4 0, +0.4+ 0.8 G 40 1 1 0.060 2 4 -16,..-4, 0,+4,...+16 0.8 -1.6 - 0.8 0, + 0.8+1.6 G 60 1.5 1.5 0.080 3 6 -18,..-6, 0,+6,...+18 1.2 -2.4 - 1.2 0, +1.2+2.4 G100 2.5 2.5 0.100 5 10 -40,..-10, 0,+10,...+40 2 -6 0, +2, +4 G 200 5 5 0.15 10 15 -60,..-15, 0,+15,...+60 3 -9 0, +3, +6 G 500* 12.5 12.5 25 G 1000* 25 25 50 According to AFBMA Standards

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