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DRUM MOTORS BY VAN DER GRAAF

Drum Motors by Van der Graaf Drum Motors by Van der Graaf


Standard Features


PRECISION CUT GEARS
honed and ground for low noise.
HEAVY DUTY ELECTRIC MOTOR
wound to class F with no slip rings & brushes.
BOLT ON FLANGES
for easy dismantling and assembly.
Drum Motors Standard Features
DOUBLE SEALS RUNNING ON A HARD CHROMIUM BUSHING
to ensure no oil leakage and extra long oil seal life.
MACHINE HELICAL CROWNED (convex) DRUM
for better tracking.
HEAVY DUTY CAST IRON TERMINAL BLOCK HOUSING
that can rotate 180 degrees in either direction.


DESIGNED TO BE THE BEST!

The Van der Graaf motorized pulley offers a versatile and reliable solution to the problem of powering belt type conveyors.
 
Being completely sealed, all components of the Van der Graaf drum motor are housed internally and isolated from the outside environment - enabling operation under any conditions.
 
Whether your application demands continuous, heavy duty operation or intermittent stop-and-starts, the Van der Graaf drum motor represents a superior and proven innovation.
 
An innovation that represents real cost savings!
Drum Motors by Van der Graaf
Offering many special features and high quality precision construction, the Van der Graaf drum motor requires only minimal maintenance.
 
And because of its simple design, repairs and modifications are inexpensive and easy to perform. (The design facilitates bolt-on components - unlike other drives which require chemical bonding.)
 
Whatever the application, the Van der Graaf drum motor provides superior performance combined with unmatched reliability, resulting in worry free operation.
Drum Motors by Van der Graaf


MAINTENANCE

The "GV" Drum Motor requires oil changes every 50,000 hours of operation - without dismounting the drum motor from its frame!
 
(Food Grade Oil is standard for all USDA/FDA approved drum motors.)

INSTALLATION & REPAIR

Two mounting brackets and four bolts are needed to install the "GV" Drum Motor - enabling quick installation or replacement.

Should repair become necessary, the "GV" Drum Motor has been designed to allow for easy repair by any motor repair shop.

TECHNICAL

The "GV" Drum Motor requires minimal space on the conveyor frame and completely eliminates the need for an external motor, gear box, chain, sprockets, chain guard or pillow block bearings.
 
The "GV" Drum Motor can withstand up to 1500 PSI water pressure.
 
The "GV" Drum Motor has a 96% mechanical efficiency - rated horse power is delivered to the belt.
 

SAFETY ADVANTAGES

The "GV" Drum Motor is completely sealed and isolated with no external moving parts that present safety hazards (chain, sprocket, bearing, shaft, etc.)


2 HUB DESIGNS ARE AVAILABLE:

Drum Motor Hub Designs Drum Motor Hub Designs
DESIGN "A"
Bearing hubs are Protruding.
DESIGN "B"
Bearing hubs are Recessed - to accommodate narrower conveyor frames while maintaining the same face width.


SPECIAL OPTIONS

(for customizing the "GV" Drum Motor to your Needs)
- ELECTROMAGNETIC BRAKE - fits inside the drum to ensure a rapid stopping action when the power is disconnected from the drum motor.
 
- BACKSTOP DEVICE - used to eliminate roll back on incline conveyors.
 
- LAGGING - hot vulcanized natural polybutadiene with fabric finish or hot vulcanized white food grade nitrile (smooth or custom cut.)

- STAINLESS STEEL PLATED - providing a stainless steel drum with Electroless Nickel plated flanges, shafts and junction box.

- ALL STAINLESS STEEL - a complete stainless steel drum motor - with a 90º or straight connector (also available with plated junction box.)
Drum Motor Electrical Connections
FIG. "A"
(Optional) 90º connector with 72" cable. Note: This feature is standard on all Stainless Steel Drum Motors.
Drum Motor Electrical Connections
FIG. "B"
(Standard) The junction box can rotate 180º to accommodate the cable direction.

ALSO AVAILABLE:
 
- non standard / extra long lengths.
 
- flat faced / knurled finish.
 
- thermal overload protection.
 
- class "H" insulation.
 
- dual voltage.
 
- special speed and horsepower.
 
- drum motors with bolt on, weld on, or modular belt sprockets.
 
- drum motors with "v" grooves for "A" "B" "C" section "v" guided belts.
Sprocketed Drum Motor
Sprocketed Drum Motor
V Grooved Drum Motor
"V" Grooved Drum Motor


Drum Motor Ordering Information

MODEL DIAMETER
(in inches)
H. P. SPEED
(ft./min.)
STANDARD FACE WIDTH
in inches)
TM 100B253.90.2557 - 41610.24* - 10.83* - 12.20 - 14.17 - 16.14 - 18.11 - 20.08 - 22.05 - 24.02 - 25.98 - 27.95 - 29.92 - 31.89 - 33.86
0.1635 - 262
0.1457 - 262
0.1126 - 189
TM 113B254.50.3464 - 52210.24* - 10.83* - 12.20 - 14.17 - 16.14 - 18.11 - 20.08 - 22.05 - 24.02 - 25.98 - 27.95 - 29.92 - 31.89 - 33.86
0.2540 - 373
0.1631 - 260
0.1131 - 73
TM 127.25 5.01.075 - 333 9.84* - 10.83* - 11.81 - 13.78 - 15.75 - 17.72 - 19.69 - 21.65 - 23.62 - 25.59 - 27.56 - 29.53 - 31.50
0.7575 - 333
0.5038 - 333
0.3438 - 333
0.1823 - 59
0.1323 - 28
TM 160.30 6.52.0073 - 935 13.78* - 15.75 - 16.73 - 17.72 - 19.69 - 21.65 - 23.62 - 25.59 - 27.56 - 29.53 - 31.50 - 33.46 - 35.43 - 37.40
1.5073 - 468
1.0054 - 468
0.7547 - 468
0.5035 - 312
0.3435 - 312
0.2524 - 151
0.1835 - 234
0.1324 - 151
TM 215.408.545.50312 - 136916.73* - 17.72 - 19.69 - 21.65 - 23.62 - 25.59 - 27.56 - 29.53 - 31.50 - 33.46 - 35.43 - 37.40 - 39.37
4.0092 - 685
3.0061 - 685
2.0061 - 685
1.5045 - 687
1.0045 - 321
0.7528 - 321
0.5028 - 236
TM 315.5012.5210.0144 - 95919.69* - 21.65 - 23.62 - 25.59 - 27.56 - 29.53 - 31.50 - 33.46 - 35.43 - 37.40 - 39.37 - 41.34 - 43.31 - 45.28
7.5120 - 959
5.5120 - 959
5.076 - 631
4.076 - 520
3.038 - 520
2.059 - 250
1.559 - 250
TM 400.60 15.7520.0151 - 869 23.62* - 25.59 - 27.56 - 29.53 - 31.50 - 33.46 - 35.43 - 37.40 - 39.38 - 41.34 - 43.31 - 45.28
15.0151 - 869
10.0151 - 869
7.599 - 524
5.5151 - 524
5.099 - 345
4.073 - 524
3.047 - 254
2.047 - 163
TM 500A75 19.6930.0378 - 744 33.46 - 35.43 - 37.40 - 43.31 - 45.27 - 55.12 - 62.99
25.0312 - 744
20.0236 - 472
15.0189 - 378

*Facewidths not available in all horsepowers.


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Tampa Rubber & Gasket Co., Inc.

215 North 20th Street
Tampa, FL, USA 33605
Ph-813-247-3647 Fax-813-247-3180
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