Frequently Asked Questions

Up to 5 million inch-pounds, or more than 550 kiloNewtons

Yes, many options exist for integral backstop; consult the factory for design details.

Yes, 1.25:1 thru 5:1 in the parallel shaft configuration; and 1.6:1 thru 4:1 in the right angle shaft configuration.

There are many accessories for use with the Helical Shaft Mount (HSM). Our patented Taper Grip Bushing is well suited for any application. A motor mount, backstop, torque arm, ABS belt guard, belts, breathers, sheaves and harsh duty seals are all accessories that work well with the HSM for any application. Also available are screw conveyor shafts, screw conveyor adaptor kits and screw conveyor seal kits. Contact your local representative for more information.

Yes, only if the mixer’s impeller is not attached to a long shaft. The impeller is subjected to radial loads, and the HSM bearings provide the shaft support. The HSM’s compact bearing span makes it unsuitable for supporting radial loads applied at long distances from the reducer.

Yes. Consult your Sumitomo representative for the availability of your bore size.

Yes. Provide as much information as possible to your Sumitomo representative when discussing outdoor HSM applications. Corrosive, abrasive, hot, and cold environments each require a different type of optional seal.

The P4 Single Stage gear units have been designed with an enlarged housing and an increased shaft height. The vast cooling surface raises the thermal rating and the larger oil sump assures a longer oil life. In combination with the service cover, a cooling coil can be fitted, without having to disassemble the complete gear unit.

The increased shaft height also results in the input shaft being better positioned versus the shaft height of the electric motor.

As such, motor and gear unit will be equally affected by thermal expansion and the static alignment is not disturbed during operation.

The mounting positions for the Cyclo^® HBB detail the position of the unit relative to the driven shaft. The mounting position effects how the unit is assembled and maintained (i.e., location of oil fill ports, type of lubrication, breather location, etc.). You must specify the mounting position at the time of order.

The standard torque arm assembly is shown in the Dmensions section of our catalog.  The torque arm should be mounted at 90 degrees to a line from the point of attachment to the reducer and the center of the output bore with up to 30 degrees plus or minus variance.  It should always be mounted in tension, not compression.  A bracket type torque arm is also offered as a non-stock option.