Detil Produk :
SELL
SITI GEAR BOX
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| Negara Asal | Italia |
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Gearboxes provides with trains of
gears at 2 or 3 stages of reduction:
• On the “ OT” range:
The two stages of reduction consist of
one bevel gear pair with spiral Gleason
toothing ( Duplex type) and one
cylindrical final gear pair, with involute
profile, accurately corrected in view
of an improved strength; the three stages
of reduction result from adding a further
cylindrical helical gear pair, upstream of
the other two stages, with accurately
corrected involute profile in view of an
excellent resistance to stresses.
• On the PL and PD gearboxes, both the
first and the second stage of reduction
are accomplished with cylindrical
helical gear pairs, with accurately
corrected profiles.
Even for these series of gearboxes, the
third stage of reduction is obtained adding
a further stage of reduction ( primary
reduction) provided with a cylindrical
helical gear pair with corrected profile.
• They are manufactured in 5 sizes: 63
– 80 – 100 – 125 – 160 ( the number
relevant to gearbox size means the
center-to-center distance of the final
reduction stage according to the
Renard series R10) . Size 56 available
for OT only.
• The rated transmissible torques are
included in the range from 100 Nm. to
4840 Nm.
• Load capacities of toothing comply with
DIN 3990, UNI 8862, AGMA 2001 B88
norms and the ISO 6336 draft
proposal, both with the surface pitting
resistance and the tooth root bending
strength calculation, in view of an
accurately balances and extremely
high nominal life.
• Input shafts, output shafts and
intermediate shafts are all supported
by taper roller bearings, in view of an
improved adjustment of backlash and
high strength to radial and axial loads
