food Marketing - Technology 1/2023
food Marketing & Technology is the international magazine for executives and specialists in the food industry.
food Marketing & Technology is the international magazine for executives and specialists in the food industry.
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Processing<br />
Gears and Gear Racks made from<br />
Polyamide<br />
Gears and gear racks used for transmitting torque and forces within gearboxes are typically made of<br />
hardened steel. For many other uses and applications, gears and racks made from plastic are the better<br />
choice. These generally require no lubrication and are cheaper, lighter, quieter, and more resistant to<br />
corrosion than metal gears. That is why Ganter is expanding its range with polyamide gears and racks that<br />
can transmit high forces and torques.<br />
Gears and racks made from polyamide<br />
are preferred in mechanisms that must<br />
transmit high torques at low speeds. This<br />
includes packaging machines, chemical<br />
and pharmaceutical manufacturers as<br />
well as <strong>food</strong> production. The components<br />
are combined to convert rotational<br />
movements into linear movements or<br />
vice versa. Synchronous, symmetrical,<br />
or even proportional movements can be<br />
easily achieved when used with clamping<br />
jaws, grippers, or assemblies.<br />
Standard parts specialist Ganter<br />
has considered the basic principles<br />
of gearing and introduced the spur<br />
gears GN 7802 and gear racks<br />
GN 7822 made from strong and<br />
long-lasting polyamide. Due to<br />
their low coefficients of friction,<br />
these require no lubrication, and<br />
are made of FDA-compliant glass<br />
fiber-reinforced plastic suitable for<br />
use in <strong>food</strong>-processing applications.<br />
The components are also available<br />
in grey or blue for better visual<br />
detectability.<br />
The polyamide gears and racks from<br />
Ganter are designed for temperatures<br />
up to 120 °C and for contact with<br />
aggressive media such as acids, gases,<br />
and saltwater. Plastic gears are lighter<br />
and more economical than metal<br />
gears and therefore lower the weight<br />
and cost of devices, systems, and<br />
machines.<br />
The gears and racks are designed<br />
as an involute gear with a 20° angle,<br />
the design structure helps to reduce<br />
torque variation and allow for greater<br />
assembly flexibility. Ganter offers spur<br />
gears GN 7802 designed in module<br />
sizes from 0.5 to 3. The polyamide gear<br />
racks GN 7822 can be ordered with<br />
module sizes from 1 to 3 and feature a<br />
steel core to prevent deformation.<br />
fmt<br />
24 <strong>food</strong> <strong>Marketing</strong> & <strong>Technology</strong> • February <strong>2023</strong>
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