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Threading technical data Dados técnicos de roscagem | Datos técnicos de roscado

E THREAD TERMINOLOGY | Terminologia da roscagem | Terminología del roscado INSERT PROFILE STYLES | Estilos de perfis das pastilhas | Estilos de perfiles de las plaquitas E
threading


threading
PARTIAL PROFILE FULL PROFILE
Major Ø
Pitch Ø
Minor Ø


Pitch Thread
Angle
Thread milling - Inserts


Thread milling - Inserts
Helix
Root Angle
Crest


The V partial profile insert cuts without topping the outer The full profile insert will form a complete thread profile including
Thread milling - Toolholders


Thread milling - Toolholders
diameter of the thread. The same insert can be used for a range the crest. For every thread pitch and standard, a separate insert
of different thread pitches which have a common thread angle. is required.
Thread turning - Overview


Thread turning - Overview
LEFT-HAND THREAD RIGHT-HAND THREAD FULL PROFILE FOR FINE PITCHES SEMI FULL
Thread turning - Inserts


Thread turning - Inserts
Thread turning - Toolholders


Thread turning - Toolholders
A thread which, when viewed axially, winds in a A thread which, when viewed axially, winds in a
counter-clockwise and receding direction. All left-hand clockwise and receding direction. Threads are always
threads are designated LH. right hand unless otherwise specified. The full profile for Fine Pitches will form a complete thread. The Semi profile insert will form a complete thread including crest
The topping of the outer diameter is generated by second tooth. radius but without topping the outer diameter.
Mainly used for trapezoidal profiles.
Thread turning - Spare Parts


Thread turning - Spare Parts
THE HELIX ANGLE


Lead
The distance a threaded part moves axially, with respect to a fixed mating part, in one
π complete revolution.
The lead is equal to the pitch multiplied by the number of thread starts.
Technical Data


Technical Data
E - 778 E - 779