|
-
Low ambient temperature
Below -25°C consult Interroll, special oil, special seals, anti-condensation heater.
-
High ambient temperature
Above +40°C consult Interroll.
-
Extremely dusty/abrasive, wet/high humidity
IP66/67 sealing system, special finish, e.g. rust-free, special coating, nickel plating, rubber lagging, flying lead option in place of terminal box.
-
Frequent start/stops
Max. no. of Start/stops
TM 220 120 per minute
TM 321 - 401 25 per minute
TM 500 - 801 10 per minute
For more frequent start/stops please consult Interroll.
|
-
Indexing conveyor/decline conveyor/reversible inclined conveyor
Electromagnetic brake, or special shafts prepared for fitting of an external brake (TM 500 - TM 801).
-
Inclined conveyor (not reversible)
Mechanical backstop.
-
Reversible conveyor
Essential time delay between, forward and reverse. The Motorised Pulley must come to a complete stop before reversing.
-
Variable speed conveyor
Two speed motor. AC frequency con-troller (variable speed drive control).
-
Using a Motorised Pulley without conveyor belt or with a belt covering less than 2/3 of the pulley face width
Use drives only from a special range of Motorised Pulleys developed for this purpose. Do not use standard belt drives unless accepted by Interroll. Insulation class H, extra oil.
Connect thermal protector.
-
Motorised Pulleys mounted more than +/- 5 degrees non-horizontally
Special execution! Please consult Interroll. Extra oil, grease packed top bearing and electrical outlet at the opposite end required.
-
Impact load
Oversize the Motorised Pulley. Please consult Interroll.
-
Handling materials with oil, grease and fat content
Stainless steel version TS 9/TS 10 or semi-stainless steel version TS 11/TS 12. Food quality lagging being oil, fat and grease resistant.
-
High powered Motorised Pulleys - low starting current required
Star/delta starter. Soft start electronic starter.
-
Conveyor fitted with knife edges/automatic tracking devices
Parallel shell belt drive. Higher powered motor.
-
Extremely low noise/vibration
requirements Balanced shell. Anti vibration mounting brackets etc. Please contact Interroll for special solution.
-
Marine environment. Ship loading/unloading conveyors etc.
IP66/67 sealing system (regreasable). Special finish e.g. rust-free, electro-galvanising, nickel plating, epoxy. Stainless steel external bolts, rubber or ceramic lagging.
-
High altitude > 1000 m
Please consult Interroll.
-
Chemical environments
Please consult Interroll.
-
Underground mining/ tunnelling applications where possible dangerous atmospheric conditions apply or where the Motorised Pulley is to be flame proof or intrinsically
safe
Interroll Motorised Pulleys are not intrinsically safe or explosion proof. Please consult Interroll.
-
Critical speed requirements
Normal speeds can deviate by ±10%. Where exact speeds are required, please consult Interroll.
-
Recycling, aggressive environments
Stainless steel shafts, regreasable labyrinth seals, special painting and special oil.
-
Metal separators and metal detectors
Special execution as to oil, bearings, electrical connection and built-in position.
|
|
