Product category:
Drives, motors and power transmission, couplings, clutches
News Release from: ZF Great Britain | Subject: Single stage right-angled gearheads
Edited by the Manufacturingtalk Editorial
Team on 02 April 2007
Single stage right-angled gearheads
WT Economy single stage right-angled gearheads from ZF, are for OEM designers and maintenance engineers who demand high levels of performance and flexibility from smaller units.
ZF has launched a range of compact WTE (WT Economy) single stage right-angled gearheads for OEM designers and maintenance engineers who demand high levels of performance and flexibility from smaller, more cost-effective units A one-piece aluminium body offers lightweight and extremely rigid operation and allows the four ratios available to be housed in the same sized unit
This article was originally published on Manufacturingtalk on 10 Dec 2007 at 8.00am (UK)
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By integrating the high-torque and low-backlash Gleason Hypoid tooth design and high quality taper roller bearings the WTE gearheads are able to offer accurate operation even in applications where there are high axial and radial loads.
The innovative body design is machined from a single piece of cast aluminium, offering high levels of torque from a one-piece lightweight compact unit that lends itself for use in highly dynamic servo applications.
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Levels of rigidity are also improved by the one piece design, and the WTE range covers four ratios from 5:1 to 15:1 in the same sized unit, cutting design time and facilitating maintenance or upgrades.
To ensure the WTE gearheads are successful in the market place, ZF has designed the units to be compatible with the maximum number of servo applications in industries ranging from packaging to assembly.
The gearheads come with two shaft options; solid shaft with input flange/coupling and a choice of output flange mountings.
Designed to be mounted in any orientation and to fit almost any motor, the input flange and coupling assembly allows motors to be replaced with higher power versions or larger frame sizes, without the need to replace the gearhead.
A coupling based torque transfer assembly also allows adjustments to be made for minimising the machine vibration.
By shrink fitting the input shaft and gearwheel into the unit, fretting and levels of backlash are reduced to a minimum (backlash down to equal to or less than 6 Arc Min).
The compact design of the WTE gearheads is partly due to novel hypoid tooth pattern which permits high ratios from a smaller bevel gear system.
Parameter optimised for greater strength, the Gleason hypoid gears also keep inertia output torque to a minimum and ensure maximum transmission (minimal output torques up to 140Nm).
The design also saves on energy costs by offering operational efficiency of 96 percent and provides a very small moment of inertia at start up.
The range can cater for applications that require input speeds of up to 5,000rpm whilst creating low noise levels; between equal to or less than 66 and equal to or less than 68 dB when running at 3,000rpm.
WTE gearheads are approved for use in Atex Zone II applications and are sealed for life units, avoiding the need for lubrication and offering a long nominal service life, typically equal to or less than 15,000 hours.
This is true even in adverse environments where an enclosed design, with IP64 ingress protection, guarantees reliable performance and units. Request a free brochure from ZF Great Britain ...
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