| FEEDER
FRAME (STRUCTURE) Heavy structural
channels. 8" in depth, with tubular cross braces. Standard feeder length is
6'-O" (ctr.-to-ctr. of pulleys). Alternate lengths of 4'-0". 5'-0", and
8'-o" are pre-designed, and are readily available. Standard belt widths are 18, 24,
30, and 36 inches. Special lengths and belt widths are available upon request. See Table A.
PULLEYS AND LAGGING
Head pulley and tail pulley are 10" diameter. Pulleys are heavy, all steel, welded
type construction, individually turned to ensure concentricity with the bore and crowned
to improve belt centering. The entire face of the pulley is machined. Pulleys are equipped
with Taper-Lock hubs and bushings. The head (drive) pulley is lagged with 3 ply,
"Ruff-Top" rubber lagging.
IDLERS
Idlers are MARCO Series MIS - 4-1/2" dia. rolls, with pre- lubricated ball bearings
which require no further lubrication The flat carrier idlers are closely spaced on 6"
centers.
BELT TAKE-UP
Screw type, acid cleaned and plated, providing 6" adjustment at the tail
pulley.
FEEDER BELT
Special belt specifications are available upon request.
BELT WIPER (AT HEAD PULLEY)
Adjustable, rubber-bladed, squeegee type, with spring loaded mounting.
LOADING HOPPER
Heavy plate construction, 9-1/4" deep, with diverging
sides to relieve material friction in direction of flow, thus minimizing wear and material
leakage. Heavy rubber flashing is secured by formed, continuous, clamps providing easy
adjustment - punching of the flashing is eliminated. Specially formed hopper sides and
flashing arrangement provide excellent seal at the beltline. Hopper has punched flanges at
the top for suspended mounting from overhead bin, or tunnel ceiling-Heavy structural legs
connect the hopper to the feeder frame.
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ADJUSTABLE
STRIKE-OFF GATE Manually adjustable to set
the desired depth of the material burden. Indexing holes and pin provide secure
positioning at frequent increments of height. Special "wear edges" are provided
at the bottom of the gate - the material contact edge - to reduce wear. The gate assembly
slides fore and aft, along the hopper flanges, allowing it to be positioned to suit the
length of feed opening. Adjustable wing plates allow the gate to seal against the
diverting hopper sides in any position.
DISCHARGE HOOD
Mounts on front end of loading hopper, preventing side spillage of material at the head
pulley. Rubber flashing contours feeder belt around the radius of the pulley. Hood
confines and centers material burden at the discharge end and aids dust control. Hinged
Clean-Out Panel is standard.
FEEDER DRIVE
Drive includes AGMA Class II, shaft mounted, helical gear, speed reducer (gears are
enclosed and running in oil), driver and driven sheaves and vee belts. Drive components
are selected to meet the power and belt speed requirements indicated by Table
"B".
DRIVE GUARD
Expanded metal in rugged frame. Allows visibility of vee
belt drive, while affording the necessary protection - may be easily removed.
MOTOR MOUNT
Mounts integrally with gear reducer. Permits easy vee belt tensioning.
Table "B"
Standard Speed & Capacities
Belt
Width |
Max.
Capacity
in TPH* |
Belt
Speed in FPM |
18"
18"
18" |
125
175
225 |
71
100
130 |
24"
24"
24" |
150
250
350 |
62
100
138 |
30"
30"
30" |
175
325
465 |
53
97
141 |
36"
36"
36" |
250
400
550 |
62
97
133 |
* Capacities based on 100#/cu. ft. material |