Mariana IVINIŞ

CONTROL DEVICE COMPLIANCE AND VERIFICATION OF
BEARING INNER RINGS BORES PERPENDICULAR TO
THE FACES FRONT
Given the fact that the bearings are part of machine parts moving
and rotating with variable speed, perpendicularity bores, to the front sides
must fall within the tolerances of microns in order not to cause warming shaft
or axle is mounted inside these bores bearings and not to enable the seizure
of rotating bodies moving of machines, installations and units concerned.
Keywords: machine parts, reaming, device, bearing
Cuvinte cheie: organe de maşini, alezaj, dispozitiv, rulment

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A CUTTING INSTANTANAEE SWITCHING
DEVICE BY TURNING
Study the conditions that must occur in a process of cutting given realization of all aspects and economic conditions will be listed as follows: achieve adequate productivity, meaning that a certain amount of chips per unit time; minimum cost, including the calculation elements involved in the cutting process; provide optimum surface roughness that is processed; machined surface hardening; structural changes that alter the functionality of that surface.
Keywords: turning, device, cutting metals, materials
Cuvinte cheie: strunjire, dispozitiv, aşchierea metalelor, materiale

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GEAR AXIS PARALLEL HAVING SPECIAL PROFILES
Gears with parallel axes with neevolventic’s profile can be used in
industrial watchmaker, and general construction machinery, taking into account
the current technological possibilities in manufacturing gears.
Cuvinte cheie: angrenaj, roată dinţată, transmisii, pinion
Keywords: gear, cogwheel, transmission, pinion

76 ANGRENAJE CU AXE PARALELE AVÂND