AppTip_SRG0 pages

APPLICATION TIP
Product category: Right-angle Geardrives
Industry: Packaging

Problem:
Premature gear wear

Cause:
Excessive side loading appllied to shafting by
timing belt mechansim

Solution:
Additional mounting support added to
shafting, eleviates side loading effects
on gears

In applications that employ timing belts, proper support for shafting is key
in obtaining optimal performance life of Slide-Rite® right-angle gearboxes

When designing any type of
motion equipment, be sure
to consider the effects that
applied torque can cause to
integral machine components
and accommodate for the
results.

www.tolomatic.com

MINNEAPOLIS, MINNESOTA, USA—
Tolomatic’s Slide-Rite gearboxes
are used the world over and have a
reputation for being reliable, durable
components that just keep on working.
When premature gear wear surfaced
on a bank of units that were in an
installed packaging application, there
needed to be a good reason why.
After reviewing the situation, it was
determined that side loads being
applied to the shafts were causing the
problem.
For this particular application, the
machinery moves packing lids from one
conveyor line to another. A series of
Slide-Rite gearboxes were mounted on
horizontal and vertical shafting, placed
on both sides of a series of lid stacking
machinery. The gearboxes provide
the 45 degree motion for a flying knife
process that selects a lid from the stack
and drops them onto a conveyor.

A housing, containing a 1:1 ratio
timing belt mechanism run by an AC
motor, was mounted at one end of
the horizontal shafting. The timing
belt housing was mounted next to the
machine enclosure and supported by
one pillow block mount.

This illustration shows the mounting
configuration of the existing timing belt
mechanism, pillow block, and their relation to
the first Slide-Rite gearbox on the shaft line.