Milling cutter types and their primarдyляeраldзмsеoщfенaиpяpзаliкcаaзаti-ognuhring@guhring-tools.ru
Type N Quick spiral with 30° helical pitch, suitable for finish milling structural, case
hardened and heat-treatable steels as well as short-chipping non-ferrous
metals and materials up to
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30° 1PPWHQVLOHVWUHQJWKDSSO\LQJVROLGFDUELGHPLOOLQJFXWWHUV
Type NH Quick spiral with high 45° helical pitch, suitable for super fine finishing
high-alloyed materials and grey cast iron up to appr.
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45°
Type NF Flat knuckle-type teeth/quick spiral, produces short chips and improved
Chip breaker- smoother surface quality in comparison to type NR or NRf. Suitable for milling
geometry standard materials up to appr.
flattened
coarse 1P PWHQVLOHVWUHQJWKDSSO\LQJKLJKVSHHGVWHHOPLOOLQJFXWWHUV
30° 1P PWHQVLOHVWUHQJWKDSSO\LQJVROLGFDUELGHPLOOLQJFXWWHUV
Type NR Standard knuckle-type teeth, produces short chips and good chip
Chip breaker- evacuation. Suitable for milling standard materials up to appr.
geometry 1PPWHQVLOHVWUHQJWKDSSO\LQJKLJKVSHHGVWHHOPLOOLQJFXWWHUV
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30° coarse
Type NRf Fine knuckle-type teeth, produces short chips and good chip evacuation.
Better feed rates possible than with type NR. Suitable for milling materials with
Chip breaker- a high tensile strength up to appr.
geometry 1P PWHQVLOHVWUHQJWKDSSO\LQJKLJKVSHHGVWHHOPLOOLQJFXWWHUV
fine 1P PWHQVLOHVWUHQJWKDSSO\LQJVROLGFDUELGHPLOOLQJFXWWHUV
30° Type H Quick spiral with high 55° helical pitch, suitable for super-fine finishing as
55° Type HR well as HSC* machining of all hardened materials and chilled cast iron up
20° to appr.
Chip breaker- +5&KDUGQHVV
geometry
fine * High Speed Cutting
Fine knuckle-type teeth, produces short chips with good chip evacuation.
Suitable for milling hardened materials as well as
grey and chilled cast iron with up to appr.
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Type W Quick spiral with 45° helical pitch, suitable for finish milling soft materials
such as aluminium, Al-alloys and non-ferrous metals
up to appr.
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Type WR Coarse knuckle-type teeth, produces short chips with good chip
Chip breaker- evacuation. Suitable for milling aluminium. non-ferrous metals as well as
geometry soft steels up to appr.
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extra coarse
30°
146 guhring@guhring-tools.ru
www.guhring-tools.ru
