Measurements on Gear Hobs in according to DIN3968
Measurements on Gear Hobs in according to DIN 3968
Basic data on hobs: Drawing no., Normal module, Pressure angle, Outside dia. x Hob length, material
1), Runout on hob diameters. frp
2), Axial runout on the clamping surfaces, fps
3), Radial runout of tips of teeth, frk
4), Form and position deviation of the cutting faces, FfN
5), Individual pitch error, difference between adjacent pitches and cumulative spacing error of gashes, ftN, fuN, FtN
6), Gash lead error, fHN
7), Tooth profile, FfS
8), Tooth thickness error, fs
9), Thread lead error from cutting edge to cutting edge, fHF
10), Thread lead error between any cutting edges of a winding, FHF
11), Base pitch error from cutting to cutting edge, fe
12), Base pitch error between any cutting edges, Fe
13), Thread pitch deviation, fpx
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- PA20° Standard Gear Milling Cutter with Module m0.5
- High-Speed Steel M2
- PA30° DIN5480 Involute Spline Gear Hob with Module m3.5
- STD Module Gear Hob Cutter with DIN3972 Tooth Profile
- PA20° DP14 Standard Involute Hob with BPⅡ
- PA20° Profile DIN3972 Standard Pre-grinding Gear Hobbing Cutter with Module m2.25