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General
Year
2019
Manufacturer
ROCK SYSTEMS
Model
108-3P
Serial Number
R2600
Condition
New
Description
Rock Systems Portable 3 Bin Blending Hopper, Model 108-3P complete as follows:
a. Each hopper is 9’-6” wide x 14’ long with 20 tons storage capacity constructed from 1/4” thick steel plate with rectangle tube reinforcing at the hopper top and angle iron reinforcing at the hopper mid-section and bottom section; self-relieving tapered hopper bottom opening to minimize bridging; full length skirtboards with Hercules 3/4" x 6" adjustable rubber flashing to prevent leakage between hopper bottom and belt feeder; adjustable discharge gate with hand crank to control material flow from each hopper.
b. Each belt feeder is 30” wide x 8’ long with Nord 5 h.p. electric motor drive; 12” diameter rubber lagged head pulley mounted on Dodge 2-7/16” SCM pillow block bearings; 12” diameter self-cleaning tail pulley mounted on Dodge 2-3/16” SCM pillow block bearings; screw take-up assemblies; CEMA “C” flat belt idlers with 5” diameter rolls mounted on close centers; 3 ply vulcanized endless conveyor belting. Belt speed setup for 90 fpm.
c. Collecting conveyor is 36” wide with Nord 10 h.p. electric motor drive; 12” diameter rubber lagged head pulley mounted on Dodge 2-3/16” SCM pillow block bearings; 12” diameter self-cleaning tail pulley mounted on Dodge 2-3/16” pillow block bearings; screw take-up assemblies; tail terminal guard; head pulley nip guards; CEMA “C” 35 degree troughing idlers with 5” diameter rolls; CEMA “C” return idlers with 5” diameter rolls; 2 ply conveyor belting with 3/16” x 1/16” rubber covers; Flexco 140 mechanical belt splice; 9’-6” long conveyor extension beyond the hoppers which folds for transport.
d. Portable trailer constructed of heavy duty wide flange beams which are braced for optimum rigidity; wide flange vertical beams and angle iron cross members tie all hoppers and trailer together; single axle chassis with dual 11 x 22.5 tires, air brakes, king pin, rear lighting, mud flaps and blocking pads. Includes one set of hand crank landing legs at the king pin.
e. One rust inhibitor prime coat and one finish coat gray paint for all equipment; one finish coat safety yellow paint for all guarding.
f. Electric motor control panel with main disconnect, AC Tech SMV variable speed drives for the belt feeders, branch circuit protection, fixed speed starter for the collecting conveyor, all mounted on a skid support structure bolted to the trailer frame and wired into the electric motors. All motors and electrical controls are 3 phase/460 volts/60 hertz.