U.S. ELECTRICAL
TOOL INC.		 MODEL 301 & 302
SINGLE SPEED
MODEL 401 & 402
VARIABLE SPEED ABRASIVE BELT GRINDERS

 
 
Model 301 & Model 302 - Single Speed
Operating at a single established speed, the Model 301 and Model 302 are ideally suited for general purpose production applications.  The Model 302 features dual motors and controls permitting a different speed at each spindle for roughing and finishing on the same machine.

Model 401 & Model 402 - Variable Speed
Separate externally mounted speed controls permit individual operating speeds in a range from 1000 to 2000 RPM is registered on the front mounted digital tachometer while machine is in operation.  Spindles may be optionally arranged for buffing wheel and abrasive belt combinations

 U.S. Model 401 Variiable Speed Abrasive Belt Grinder

 
SPECIFICATIONS (Dimensions in inches)
MODEL 301 - SINGLE SPEED - DOUBLE END (ONE MOTOR)
HP RPM Wheel Size
Dia. x Face x Bore		 Wheel
Spacing		 Spindle
Height		 Width Over
Guards		 Net
Weight
3 2000 12 x 3 x 1-1/4 41 39 53 1525
5 1800 14 x 3 x 1-1/4 41 39 53 1575
7-1/2 1800 14 x 4 x 1-1/4 41 39 53 1625
10 1500 16 x 3 x 1-1/2 49 39 61 2050
15 1300 18 x 4 x 1-1/2 49 39 61 2150
20 1200 20 x 4 x 1-1/2 49 39 61 2275
MODEL 302 - SINGLE SPEED - DOUBLE END (TWO MOTORS)
3 2000 12 x 3 x 1-1/4 69 39 81 2125
5 1800 14 x 3 x 1-1/4 69 39 81 2225
7-1/2 1800 14 x 4 x 1-1/4 69 39 81 2325
10 1500 16 x 3 x 1-1/2 69 39 81 2475
MODEL 401 - VARIABLE SPEED - DOUBLE END (ONE MOTOR)
3 1000
to
2000		 14 x 3 x 1-1/4 54 39 66 1950
5 14 x 4 x 1-1/4 54 39 66 2050
7-1/2 14 x 4 x 1-1/4 54 39 66 2175
10 16 x 3 x 1-1/2 54 39 66 2250
15 18 x 4 x 1-1/2 54 39 66 2575
MODEL 402 - VARIABLE SPEED - DOUBLE END (TWO MOTORS)
5 1000
to
2000		 14 x 4 x 1-1/4 63 39 75 2775
7-1/2 14 x 4 x 1-1/4 63 39 75 2975
10 16 x 3 x 1-1/2 63 39 75 3125
15 18 x 4 x 1-1/2 63 39 75 3275
Machine speeds based on minimum 60 durometer contact wheels.
Do not exceed rated speed shown on wheel.

 

 
Standard Equipment Optional Equipment
  • TEFC continuous duty Motor(s) enclosed in base
  • Lubricated sealed-for-life Ball Bearings
  • Belt Guards for 132" belt length
  • Spring Tension Abrasive Belt Idlers
  • Contact wheels, 60 durometer, serrated face (belts not furnished)
  • Spindle lock
  • Digital Tachometer on Variable Speed Units
  • Magnetic starters with overload and underload protection and low voltage release
  • Push button controls, 115 volt, with transformer
  • Electrics:  230/460 volt, 60 Hertz, 3 phase (specify operating voltage)
  • Plain or Illuminated Eyeshields
  • Adjustable Tool Rests
  • Water Pot and Tool Tray
  • Special Bearing Housing lengths on Models 301 and 401
  • Special spindle speeds
  • Special Durometer Contact Wheels
  • Hand Brake with electrical interlock (standard on Models 401 & 402)
  • Air operated Backstand Idlers
  • Other electrical characteristics, JIC controls and special staring equipment
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