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Ultra Planetary Gearbox

Ultra Planetary Gearbox

Ultra Planetary Gearbox


Dynatech Special Reduction Gears :
Recorded Special Features :

  • These are manufactured and marketed from 1983 on words.
  • Gears run for more than 15 to 20 years without maintenance.
    • * 5 KL Reactor requires 2 to 3 HP Motors. Shaft Speed 20 to 150 RPM.
    • * 10 to 15 KL reactors run with 3 to 5 HP Motors. Shaft Speed 20 to 150 RPM.
    • * 15 to 35 KL reactors run with 7.5 to 10 HP Motors. Shaft Speed 20 to 150 RPM.
    • * A factory with 5 Nos., – 10 KL Reactors can run with 15 HP total power.
  • Cost Factor:
    Gearbox for 5 KL Reactor cost Rs. 30,000/- (Dyantech Make). Other classical gearboxes of the same capacity would cost from Rs. 75,000/- to Rs. 1,00,000/-
  • Dynatech’s gearboxes do not require separate bearing housing. Gearbox bearings act as bearing housing.
  • Dynatechs Lantern will have integral stuffing box which can withstand pressure up to 10 kg/cm2 and vacuum.
  • If customers prefer mech seals, extended output shaft is provided such that mech seal remains truly concentric.
  • Because the lantern does not require separate bearing housing, Lantern cost is reducing to almost 25% of the normal lanterns.
  • Lantern and gearbox assembly height remains about 800 mm. compared general system of lantern height of 1500 to 2000 mm.
  • Power saved – up to 80%. This means where 10 HP is required with general system, Dynatech system requires 2 HP.

Design Features :

  • Dynatechs gearboxes are made of helical gear sets which are precision machined and assembled.
  • Transmission of power is through line contact which leads to a transmission efficiency of 98% against worm gear screw rubbing against gear teeth leading to a power loss of 25 to 30%.
  • Dynatech gear system is such that by rotating output shaft, input shaft can be rotated. This means it can take shock loads loading high service factor.

Dynatech gearboxes are of 2 types :

  • Compact Gearbox of vertically downward output shaft for reactors etc. these are Ultra Planetary Gearboxes. The input shaft is also vertically upwards. These can be used with foot mounted or flange mounted motors. It can be geared motor, coupled motor or driven by belts. Speed range from 10 RPM to 150 RPM or more.
  • Gearbox with horizontal output and input shaft. These are also available with multiple Output shafts.

Use :

Ultra Planetary Gearbox Horizontal Multi Train Gearbox
Gearbox input and output shafts are vertical Gearbox input and output shafts are horizontal
Drive motor - Either foot mounted, flanged type or directly coupled Drive Motor - Convenient to use foot mounted drive motor

Design Aspects :

Ultra Planetary Gearbox Horizontal Multi Train Gearbox
In Reactors, Mixing Systems, Open Vessels, Agitated Filters, Evaporators In Dryers, Blenders, Cranes, Plate Bending Machines

1) Ultra Planetary Gearbox :

Reactor Volume 50 to 50,000 Ltrs.
Output Shaft 50 to 125 mm. Ø
Reduction Ratio   7, 13, 17, 20 (General Basis)
Output Speed Range 4 to 300 RPM
Power Range 0.25 HP to 120 HP
Lantern System With Stuffing Box or Mechanical Seal
Design Pressure 0 to 10 Kg / cm²
Output Torque Range 100 to 14000 NM
Design Working Life Recorded 15 to 20 Years

2) Horizontal Multi Train Gearbox :

Output Shaft 50 to 150 mm. Ø
Reduction Ratio Range 20 to 64 (General Basis)
Output Speed Range 2 to 50 RPM
Output Torque Range 100 to 14000 NM
Number of Output Shafts 2 Nos. possible with different speeds