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    • History
  • Services
    • Design/Build
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    • Maintenance & Repair
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    • Conveyor Systems
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Conveyor Systems & Components

Custom built conveyors made to provide material flow to suit production needs.  CMC uses premium heavy duty components (bearings, rollers, motors, gear reducers and conveyor belting/buckets) to ensure maximum system performance & reduce plant down-time. 
Bucket Elevators

​Bucket elevators are an efficient way to elevate bulk materials while utilizing a minimum plant footprint.

Typical bucket elevator consists of:
  • an inlet chute
  • a series of buckets mounted on a belt or chain that are pulled over a head pulley (top) and tail pulley (bottom) bottom of the bucket elevator
  • a vertical steel casing and a discharge chute

Take-ups on the tail pulley shaft provide a means of tensioning the conveyor belt and when it stretches.  The steel case supports the head pulley and provides an enclosure to contain dust and provide weather protection.
​
The capacity of a bucket elevator is controlled by a combination of the speed of the belt or chain, and the number and size of the transfer buckets.  Further fine control is accomplished by controlling the input into the bucket elevator at the inlet.

Advantages of a Bucket Elevator:
  • variable capacity achieved via bucket size/number and speed of conveyor belt
  • small footprint raises materials in a safe, clean manner
  • discharge height is adjustable without changing bucket elevator footprint
  • case supplies complete enclosure and weather tightness, reducing dust and noise
  • controlled feed reduces spillage
Bucket Elevator
Features:
​
HEAD SECTION
  • factory assembled head sections
  • pillow block roller bearings
  • weather tight inspection doors
  • adjustable throat baffle
  • split hood with shaft seals
  • crown faced drum type headpulley with vulcanized lagging
  • custom outlet designed to meet your needs
BOOT SECTION
  • factory assembled tail section
  • externally mounted flange bearings
  • screw take-ups and shaft seals for adjustment of tension and tracking
  • bolted access panels
  • boot inlet with safety screen
  • crown faced drum or wing pulley
CASING
  • heavy guage construction to suit your application
  • jig welded with continuous seams and structural angle iron flanges
  • oversized bolt-on inspection doors
DRIVE
  • heavy duty gear reducer with oversized shaft and bearings
  • heavy duty back stop to prevent back legging

 
Screw Conveyor or Auger

Custom made to provide material at the rate that your production requires.

  • totally enclosed to prevent exposure to weather & contain dust particles
  • move materials horizontally or vertically
  • incline slope determines capacity | lower incline increases capacity
​ Available options:
  • tube or trough types
  • multiple inlet &/or discharge points for distribution
  • reversing with double outlets
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Features:
  • over sized TEFC motors
  • heavy duty gear reducers & bearings
  • belt or direct drive with appropriate safety guards
  • progressive pitch flighting at conveyor inlet
  • construction materials | heavy wall tubes, abrasion resistant steel wear areas

 
Belt Conveyor 

Custom designed to customer specifications.

For longer conveyors, take-ups are required to:
  • adjust the alignment of conveyor belt via screw type take-up
  • maintain belt tension via gravity take-up

Gravity take-up advantages:
  • reduces slippage with proper tension at head pulley for wet materials 
  • ensures proper slack-side tension is maintained
  • Straighter belt run, reduces chance of catching & belt damage
  • reduces material spillage off belt by maintaining proper contour & material position
  • automatically compensates for belt stretching
  • allows for storage of excess for replacement splices
  • absorbs most shock resulting from conveyor starts/stops, reducing stress belting, splices & bearings
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Shuttle Conveyor
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​Features:
  • heavy duty construction with high quality bearings, rollers and reducers
  • hardened, machined wheels on heavy duty track
  • heavy duty chain drive and motor reducer

 

Conveyor Components

Chute
Heavy duty Three Way Chute custom built:
  • replaceable 1/4" bolt in AR liner plates
  • reliable double air cylinder operation
  • positive positioning with limit switch indication
  • open top to allow for uninterrupted flow of materials even in winter conditions
  • positive location contact for side chutes
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Vertical Divider
Rotary Turn Head 
Heavy duty custom built:
  • heavy duty construction with a replaceable, bolt in abrasion resistant chute liner
  • 360 degree travel on a support ring to increase bearing life
  • stops anywhere in the circle with preset limit switches
  • 1/3 hp double reduction drive giving 4 RPM
  • automatic & manual control panels available
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Conveyor Safety Switch 

Rugged positive shut off for equipment in normal or emergency situations
​
  • positive safety lock, must be pushed in & turned to reactivate the equipment (cannot be accidently reset)
  • field adjustment of the force required to interrupt the operation of the equipment is accomplished by changing the cable location on the actuation arm
  • single switch can control conveyors up to 200 feet long 
  • cables can be run in either direction with no internal adjustments necessary
Available Options:
  • double output contacts can control machinery shutdown & an alarm circuit
  • explosion proof enclosures
  • cable break detector
  • trip indicator lights 
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Model RS Cable Safety Switch:
​
  • cast aluminum construction - corrosion resistant
  • red epoxy coated actuation arm shows which belt is turned off in a multiple belt application
  • Nema 4, dust tight and rain proof enclosure

 
Conveyor Belt Guide | belt conveyor

Maintain conveyor alignment, preventing costly conveyor belt damage and splice tear out.
​
  • Mount top or bottom of conveyor frame
  • 10" of vertical adjustment to accommodate different sized head and tail pulleys
  • 3" of horizontal adjustment to accommodate different belt widths
  • designed for troughing rollers (20/35/45 degree) or return rollers (0 degree)
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Universal Belt Guide:
  • heavy duty mounting plate with standard hole patterns for rollers support brackets
  • urethane guide roll with permanently greased bearings
Vertical Divider
Pinch Guard | belt conveyor
Prevents clothing or hands getting caught in rotating return rollers
​Easy to install
Meets OSHA requirements complete with warning labels
  • ​mount using return idlers bolts
  • available for standard belt widths with either a 1 1/4" or 4 1/2" drop
  • available for 4" & 5" rollers   
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Troughing Roller | belt conveyor

​Offset Troughing Rollers are used to carry or convey conveyor belts loaded with bulk materials

Off-set center roller helps to lower overall height of belt as well as helping to maintain conveyor tracking  
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Features:​
  • sealed bearings reduce maintenance & provide long service life
  • single replacement rolls also available
  • 24" and 30" are normally in stock
  • other standard sizes available on special order
Vertical Divider
Return Idler | belt conveyor

​Used to support return run of belt  

All sizes available - 24" & 30" stock
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Features:​
  • sealed bearings reduce maintenance & provide long service life​​

 
Head & Tail Pulleys | belt conveyor

  • Lagged Crown Faced Head Pulleys 
  • Crown Faced Tail Pulleys ​
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Features:​
  • drum type​
  • taper lock bushings
Vertical Divider
Wing Pulley | belt conveyor

Self cleaning pullies for applications where there is build-up between belt and pulley
​
  • Crown Faced Wing Pulleys 
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Features:​
  • taper lock bushings                  

 
Conveyor Parts
All conveyor parts available:

Buckets
Bearings
Belting
Skirtboard
​Reducers


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Index

Aeration
Air Cylinders
Bin Covers
Conveyor Systems & Components
Concrete Buckets


Discharge Gates & Valves
Discharge Tubing ( Sock)
Dust Management
Filter Vents
Feeders & Valves


Level & Flow Controls
Silos & Storage Bins
​Vibrators
Weigh Scale
Weigh Batchers​​
​​​Water Meters
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