- General
description:
- The JoKi drum motor
was first produced in 1953 specifically for use on conveyor belt
applications. The aim was
to produce an extremely compact, totally enclosed and highly efficient conveyor drive that
would be unaffected by dust, water, oil, grease or other harmful substances - which would
be quick and simple to install and would require virtually no maintenance.
-
- These aims were quickly achieved and today the modern JoKi drum motor is considered to be one of the
most reliable and effective belt conveyor drives available throughout the world. The
drum
motor is in simplistic terms a highly efficient geared motor drive which is totally
enclosed in a steel cylindrical tube, referred to as the >>shell<<.
-
- The shell, which is normally crowned faced to ensure central belt tracking, is fitted
with bearing housings incorporating precision bearings, oil seals and rotates on a single
shaft or pair of shafts.
The motor stator is fixed to the shaft or shafts and the motor winding
cable passes through one end of the shaft or shafts, eliminating the need for slip rings
and brushes. The squirrel cage motor manufactured in steel laminate is machined concentric
to high tolerances and designed to give 200% starting torque. The rotor pinion is coupled
directly to the gearbox. The gearbox transmits the drive directly to the shell bearing
housing through a geared rim or gear and provides a high efficiency from motor to drum
face with very little frictional losses.
The drum motor is oil filled, which
acts as both a lubricant and a coolant whereby the heat is dissipated through the shell
and conveyor belt.
 |
1. Terminal box for electrical connections
2. Stationary external shaft
3. Gear box
4. Electric motor
5. Rotating drum
6. IP66/67 shaft sealing
7. Permanently oil filled for cooling and lubrication. |
- The JoKi drum motor
drive is supplied as standard with:
-
Machined mild steel crowned
face shell.
- Electric motor manufactured in accordance with IEC 34 (VDE 0530).
- Class F insulation according to IEC 34 (VDE 0530).
- Most international voltages.
- Wide range voltage Ø80, 113, 135, 160.
- Factory oil filled and tested.
- JoKi Ø113, 135, 160,
216, 320, 400, 500, 630 &
800 protected to IP66/67, Ø320 & TM400 to IP65.
-
JoKi
Ø80 is protected to either IP65 or IP67 according to requirement.
-
Our motors are manufactured according to the council directives of
European Communities. The used CE marking is according to directive 73/23/EEC relating to
electrical equipment.
Continue...
Email us at : sppl@simplicityprojects.com
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