Worm Gear Reducers (MRT) - Rotor UK
Worm Gear Reducers (MRT) - Rotor UK
Worm Gear Reducers (MRT) - Rotor UK
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>MRT</strong>..A WORM-GEAR UNITS<br />
1. GENERAL<br />
Modern design, proved quality, reliability and the involute gear profile used at the worm gearing guarantee trouble-free service<br />
of RT/<strong>MRT</strong>..A series gear units. The RT/<strong>MRT</strong> 30A to RT/<strong>MRT</strong> 80A gear unit housings, feet<br />
and flanges are made of aluminium alloy and are supplied unpainted as standard. The RT/<strong>MRT</strong> 100A to RT/<strong>MRT</strong> 180A gear<br />
units housings are of cast iron and are supplied RAL5021 green-blue painted. By request any worm-gear unit can be supplied<br />
in stainless steel execution.<br />
Characteristic properties of worm-gear units<br />
– High gear ratio 5 to 100 achieved by one gear unit only<br />
– Noise-free operation<br />
– High load capacity<br />
– Self-locking ability<br />
– Reduced weight<br />
– Easy integration to the driven machine<br />
2. DESIGN<br />
The RT/<strong>MRT</strong> 30A to RT/<strong>MRT</strong> 80A gear units are supplied as FT-RL as standard. FF, FB flanges and feet enable combinations<br />
as shown in the Mounting Position Table. As the flanges and feet are not parts of the compact housing, the final mounting position<br />
can be modified at later stage as required.<br />
Fig. 2.1 Flanges & Feet<br />
Ground worm with ZI involute profile made of cemented and hardened steel is used for the complete RT/<strong>MRT</strong> 30A to RT/<strong>MRT</strong> 180A<br />
series. The worm wheel is made of G – CuSn12Ni bronze cast on a steel hub. Precise gearing with involute profile is advantageous<br />
for its high efficiency, minimum friction and noise-free operation.<br />
3. TYPE IDENTIFICATION<br />
Identification of basic design<br />
RT..<br />
<strong>Worm</strong>-gear unit with the solid input shaft<br />
<strong>MRT</strong>..<br />
<strong>Worm</strong>-gear unit with an electric motor or with hollow input shaft fitted with a flange for B5 mounted<br />
electric motor or B14A mounted motor or B14B mounted motor<br />
MRP..<br />
<strong>Worm</strong>-gear unit with spur gear step (i = 3) at the input shaft<br />
MAT.. <strong>MRT</strong> worm-gear unit with ATC in-line gearbox at the input shaft ( i = 3,4 and/or i = 6, and/or i = 8<br />
<strong>MRT</strong>..x..<br />
Combination of two worm-gear units to achieve very high gear ratios i = 4,000. <strong>Gear</strong>box combinations<br />
up to i = 10,000 ratio are available as an option.<br />
prior to alterations<br />
4
Change language