MICRO Shaft mounted speed reducers are compact and metric in design throughout and conforms to international standards. MICRO shaft mounted speed reducer provides a very convenient method of reducing speed, since it mounted directly on the drive shaft instead of requiring foundation of its own.

A direct mounting attribute ensures positive and permanent alignment of the gear reducer and permits convenient location of the motor and eliminates the use of Couplings, Chain Wheel or Pulley. It is also minimize the space requirements and layout problems. A torque arm (tie rod) anchors the gear reducer and  provides quick, easy adjustment of the V Belts by means of its turnbuckle.

Shaft Mounted Speed Reducers designed to meet any position requirements and provides wide range of output speed and it is suitable for both forward and reverse motion.

MICRO Shaft Mounted Speed Reducers are manufactured in seven gear case sizes, designated by the letters C to J. The all seven sizes may have four nominal gear ratios 05:1, 13:1, 20:1 and 25:1.

Shaft Mounted Speed Reducer manufacturer

A very wide range of final driven speed may be achieved by the use of an appropriate input V-Belt drive through various pulley combinations. All gear reducers will normally splash oil lubricated.

Salient Features of Micro Shaft Mounted Speed Reducers

  • Convenient design for Quick and Easy installation.
  • Elimination of foundation and alignment.
  • Pinion Shafts and Gear Wheels are case harden and laps to increase bending and wear life of gears.
  •  Reducer's case housing is made of close grained Cast Iron which is oil tight, dust proof and capable to absorb heavy shock load.
  • Compact closed housing is ideal for preventing lubricant loss and direct build up.
  • High Graded and Branded Antifriction Bearings are used based on International Standards.
  • Pinions and Gears are supported on antifriction bearings of ample capacity to permit overhung and shock load.
  • Double lip oil seals are used to prevent oil leakage as well as to avoid enter atmospheric dust inside the gear reducer to improve oil life as well as seal life.
  •  Wide range of output speeds (From 10 to 340 RPM).
  • Large variant sizes available (From 0.40 kW to 108 kW).
  • Provides high range of Output torque (From 316 Nm to 6237 Nm).
  • Innovative feature of Holdback, Flange Mounting and Motor Mounting.
  •  High efficiency and low maintenance.

Additional Accessories For Micro Shaft Mounted Speed Reducers

Holdback/Backstops

A backstop is the additional feature which let the reducer turn freely in one direction but locks up when reversed. This is required on applications such as belt conveyors or bucket elevators to prevent injury if electrical power to the motor is interrupted. Holdback/Backstops are designed and incorporated to prevent reversal rotation or holding device to prevent reverse rotation in application such as Conveyors, Bucket Elevators, Fan and Rotary Kilns.

Shaft Mounted Speed Reducers

Major Benefits

Savings of Time and Labor because it eliminates cleaning of conveyor belt during closing of conveyor or whole plant.

  • To prevent injury if electrical power to the motor is interrupted.
  • To absorb reverse shock on the gear reducer and motor.
  • Provides long life and low maintenance to the gear reducer and motor.
  • Prevents from the damage of gear reducer, motor and conveyor belt.
  • Available Sizes : From Model D to J
  • Available Ratios : 05:1, 13:1, 20:1 and 25:1
  • Power Ratings : 1.49 kW to 55.9 kW

Motor Mounting Frame (At Top)

Motor Mounting Frame options are available to fit directly on the top of gear reducers through special designed Motor Mounting Frame accessories for the Shaft Mounted Speed Reducers. Motor Mounting Frame accessories are developed with robust base plate which allows wide range of motor frame sizes.

Every Motor Mounting Frame has sufficient adjustment to ensure that belt can be fitted and tensioned whenever required throughout life of belts.

motor mounting frame at top

Major Benefits

  • Elimination of extra motor foundation.
  • Easy and convenient alignment of motor pulley and gear reducer's pulley.
  • Sufficient adjustment space with wide range of motor frame sizes.
  • Easily exchangeable mounting plate and accessories without cutting or any hard work.
  • Available Sizes : From Model C to J
  • Available Ratios : 05:1, 13:1, 20:1 and 25:1
  • Power Ratings : 0.75 kW to 55.9 kW

Motor Flange Mounts (At Input)

The Motor Mounting Advantage facilitates the direct mounting of motor at input side and eliminates the extra foundation, pulley, couplings or any other accessories. The Motor Mounting Reducers are specially designated for the Screw Conveyors.

Main Advantage of this feature is that no need of any alignment due to its character of directly fitting in to the reducer's shaft so it's fixes the all alignment errors.

Major Benefits

Savings of Time and Labor because it eliminates cleaning of conveyor belt during closing of conveyor or whole plant.

  • Elimination of extra motor foundation, pulley, coupling and V belt.
  • Elimination of alignment for coupling of motor and gear reducer.
  • Very easy to install and uninstall of gear reducer. Specially designed for Screw Conveyor System.
  • Available Sizes: From Model C to J
  • Available Ratios: 05:1, 13:1, 20:1 and 25:1 Power Ratings: 0.75 kW to 55.9 kW

Taper Lock Bush

Taper Lock Bush allows unskilled labor to achieve coupling of reducer and shrink fit on shafts using just hexagon wrench. Taper Lock Bushing Accessories has arrangement of longitudinal split tapered bushes with four through all holes, two threaded holes and four threaded holes on the reducer's output hub.

Taper Lock Bush and Reducer's Output Hub are manufactured from special steel to permanently remove any chances of corrosion in the future. The unique Taper Lock Bush system, which overcomes the difficulties, experienced with other methods of mounting, particularly in corrosive environment. Various sizes of Bores are available in the Taper Lock Bush to facilitate easy mounting on different shaft size.

So any labor can install the reducer by just tightening of four Allen Key Bolts, and uninstall by just tightening of two Allen Key Bolts. That give easy, fast fitting and maximum grip. (Taper Lock Bush and Reducer's Output Hub must be tight to gather).

Major Benefits

  • Permits unskilled labor to achieve coupling of reducer and shrink fit easily on shafts.
  • Very easy to install and uninstall of gear reducer due to special steel and mechanism of bush.
  • Overcomes the difficulties, experienced with other methods of mounting. Specially designed for Screw Conveyor System.
  • Various sizes bores in Taper Lock Bush to facilitate easy mounting on different shaft or reducer sizes.
  • Available Sizes - From Model E to J
  • Available Ratios: 05:1, 13:1, 20:1 and 25:1 Power Ratings :- 2.23 kW to 55.9 kW

Applicable Industry / Machine

  • Stone Crushing and Quarry Plants
  • Mining and Minerals Industry
  • Road Construction Machinery/Plants
  • Cement and Sugar Plants
  • Paper and Pulp Industry
  • Food Processing and Dairy Industry
  • Coal and Salt Plants
  • Ceramic and Bricks Plant
  • Iron and Steel Industry
Shaft Mounted Speed Reducers Exporter in India

Types Of Shaft Mounted Speed Reducers

There are some range of extra accessories developed with their own advantages for Shaft Mounted Speed Reducers according to purposes, fitment and application of the machine in order to fix the errors, and easy motion of the machinery.


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