Products Catalog

Specification

Worm gear reducers, combined and with pre-stage reduction unit

Features:
MOTOVARIO, WORM GEAR REDUCERS, VSF series, NMRV

* Sizes: 025 -030-040-050-063-075-090-105-110-130-150
* Available versions: NMRV - fitted for motor coupling, NRV - with input shaft, NMRL - with torque limiter
* Power up to 15 kW
* Patented case with modern design
* Aluminuium units are supplied complete with synthetic oil which allows universal position mounting, with no need to modify lubricant quantity. Moreover units without plugs reduce the risk of oil oxidation and contamination.
* Reduction ratios between 5 and 100
* Max torque 1.550 Nm and admissible radial loads max 16.500 N
* Cases up to 105 in die-cast aluminium alloy and over 110 in G200 grey cast iron
* Worm wheel: bronze Cu Sn12 Ni2 ( UNI7013-10)
* Ground worm profile ZI ( UNI4760)
* Excellent mechanical strength while being especially lightweight
* Load capacity calculated to BS721-83 and verified according to Niemann
* Size 030 and over are painted with RAL 5010 blue epoxy-polyester powder in accordind to DIN 1843
* PC, pre-stage reduction units available for motor power up to 2, 2kW and size up to 090
* Worm gear reducers are available with diffferent combinations: NMRV+ NMRV, NMRV+ NRV, PC+ NMRV
* Automated manufacturing process not only guaratees fast service, but also reliability and quality
* Options: torque arm, output flange, output shaft kit, cover, double extention high speed shaft