Общий каталог Palbit - страница 391

E THREAD TERMINOLOGY | INSERT PROFILE STYLES | E

Terminologia da roscagem | Terminología del roscado Estilos de perfis das pastilhas | Estilos de perfiles de las plaquitas

PARTIAL PROFILE FULL PROFILE Major Ø Pitch Ø Minor Ø

Pitch Thread Angle 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 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.

LEFT-HAND THREAD RIGHT-HAND THREAD FULL PROFILE FOR FINE PITCHES SEMI FULL

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.

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.