drag conveyor maintenance · 2018. 1. 24. · …”conveyor systems that deliver!”agosto 2005 37...
TRANSCRIPT
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…”Conveyor Systems That Deliver!” Agosto 2005 1
Drag Conveyor Maintenance
Mark Cloud Tramco Inc.
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…”Conveyor Systems That Deliver!” Agosto 2005 2
Drag Conveyors En-Masse Conveyors
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…”Conveyor Systems That Deliver!” Agosto 2005 3
The Every Day New Challenges… • Contamination • Spillage • Space • Storage • Wear • Corrosion • Reliability
• Horsepower • Abrasion • Maintenance • Housekeeping • Performance • Air pollution • Etc.
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…”Conveyor Systems That Deliver!” Agosto 2005 4
Model G En-Masse Conveyor
• Horizontal to 15º incline
• Conveys a wide variety of free flowing bulk
material.
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…”Conveyor Systems That Deliver!” Agosto 2005 5
Bulk-Flo
• Horizontal to Incline, L-Path, S-Path, and Loop Designs
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…”Conveyor Systems That Deliver!” Agosto 2005 6
Model G – Fully Assembled with Covers Removed
UHMW Flights For quiet operation, long life, smooth,
cushioned starts (even under full load), and minimum replacement costs
Heavy duty chains. Size is selected to satisfy
The requirements of each application.
Flight return assemblies are capped with 1/4” x 4” 380
Brinell wear bars for extended life.
Heavy duty Center pull take-ups
Bolted abrasion resistant bottom
Replaceable abrasion resistant liners
10 gauge (2.66 mm) Standard housing
Hinged Inspection Door
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…”Conveyor Systems That Deliver!” Agosto 2005 7
Model G Head Section
Inspection Door
Bolt on Cover
Head Shaft Extended For Drive Mounting
Hinged Relief Door With
Limit Switch Bracket
Heavy Duty Long Life
Pillow Block Roller Bearings
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…”Conveyor Systems That Deliver!” Agosto 2005 8
Model G Tail Section Large Removable Bolt On Cover
Allowing shaft and sprocket Assembly to be
hoisted out vertically.
Hinged Relief Door
Heavy Duty Roller Bearing
Heavy Duty Center Pull
Take-Up Frame Tail Shaft
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…”Conveyor Systems That Deliver!” Agosto 2005 9
Advantages & Disadvantages of Chain Conveyors
• Totally Enclosed. Dust & Weather Tight
• Multiple Inlets & Multiple Discharges
• Discharges Can Be Automated
• Low Maintenance when used appropriately and per design
• Can Be Inclined Up To 90 Degrees
• Can Be Reversed
• Has The Highest Initial Investment
• Larger Horsepower Than Belt Conveyors & Bucket Elevators But Lower Than Screw Type Conveyors
• Shorter Length Than Belt Conveyors
• Are Not Manufactured Under CEMA Standards
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…”Conveyor Systems That Deliver!” Agosto 2005 10
Products to be Handled in Chain Conveyors
• Corn Products (Whole, Meal, Bran, Feed, Gluten, Fiber) • Cottonseed Products (Delinted, Meats, Hulls, Cake, Meal) • Linseed and Flaxseed Products (Cake, Screenings, Meal) • Peanut Products (Shelled, Unshelled, Meal) • Soybeans Products (Whole, Meal, Flakes, Hulls) • All Other Grains (Rice,Sorghum,Wheat,etc.) • Others (Coal, Salt, Cement, Coke, Fertilizer, Wood Chips, Fiber
etc.)
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…”Conveyor Systems That Deliver!” Agosto 2005 11
Chain Assembly Direction & Return Cups
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…”Conveyor Systems That Deliver!” Agosto 2005 12
Hold Down Assembly
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…”Conveyor Systems That Deliver!” Agosto 2005 13
Scoop Plate Assembly
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…”Conveyor Systems That Deliver!” Agosto 2005 14
G-Model Inlets
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…”Conveyor Systems That Deliver!” Agosto 2005 15
Bypass Inlets
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…”Conveyor Systems That Deliver!” Agosto 2005 16
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…”Conveyor Systems That Deliver!” Agosto 2005 17
Intermediate Discharge Flange
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…”Conveyor Systems That Deliver!” Agosto 2005 18
Intermediate Gates
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…”Conveyor Systems That Deliver!” Agosto 2005 19
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…”Conveyor Systems That Deliver!” Agosto 2005 20
“C” Style Vs. “L” Style Gates
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…”Conveyor Systems That Deliver!” Agosto 2005 21
Intermediate Gates - Manual
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…”Conveyor Systems That Deliver!” Agosto 2005 22
Intermediate Gate - Motorized
¾ HP or 2 HP Dodge TiGear Gear Motor
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…”Conveyor Systems That Deliver!” Agosto 2005 23
Intermediate Gate - Air
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…”Conveyor Systems That Deliver!” Agosto 2005 24
Pneumatic Gate Air Cylinder and Solenoid Valve
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…”Conveyor Systems That Deliver!” Agosto 2005 25
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…”Conveyor Systems That Deliver!” Agosto 2005 26
Slack Chain Detector
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…”Conveyor Systems That Deliver!” Agosto 2005 27
Head and Tail Seals
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…”Conveyor Systems That Deliver!” Agosto 2005 28
G-Model Two Way Assembly
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…”Conveyor Systems That Deliver!” Agosto 2005 29
Recycling Head Assembly
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…”Conveyor Systems That Deliver!” Agosto 2005 30
Reloading Head Section
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…”Conveyor Systems That Deliver!” Agosto 2005 31
Sprocket and Chain
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…”Conveyor Systems That Deliver!” Agosto 2005 32
Relief Tooth Sprocket
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…”Conveyor Systems That Deliver!” Agosto 2005 33
Ceramic Tile
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…”Conveyor Systems That Deliver!” Agosto 2005 34
Mr. Mark’s Maintenance Tips
Chain Tension
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…”Conveyor Systems That Deliver!” Agosto 2005 35
Mr. Mark’s Maintenance Tips
Chain Failure is Predictable
When measuring 10 links of 6” pitch:
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…”Conveyor Systems That Deliver!” Agosto 2005 36
Mr. Mark’s Maintenance Tips
Do Not Grind Chain Pins • The shoulder is in good condition on this pin. It is needed so that the pin can be pressed into the side bar.
• The shoulder on this pin has been grinded down. This may allow easier installation but will cause the Chain link to wear down at an accelerated rate.
When the pin shoulder has been grinded down it allows movement inside the pinhole on the link, which wears down the inside of that pinhole.
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…”Conveyor Systems That Deliver!” Agosto 2005 37
Mr. Mark’s Maintenance Tips
Sprocket Replacement
Excellent Time to Replace Past Replacement
Possibly wearing down chain
When Sprocket is worn or hooked from 3/16” to 1/4”, it is very important to avoid irreversible harm to the barrel of the chain. As Tramco sprockets are symmetrically
made, after you wear off one side of the tooth, you can turn it over and wear the other side.
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…”Conveyor Systems That Deliver!” Agosto 2005 38
Mr. Mark’s Maintenance Tips
Squaring the Steel Shaft
• In order to get the maximum life from your tail bearings it is extremely important that the tail shaft is adjusted in its final position completely square with the flange on the intermediate box. • When the bearing is under misalignment early failure is possible. That is why it is very important to square the steel shaft when adjusting proper chain tension.
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…”Conveyor Systems That Deliver!” Agosto 2005 39
Questions?
THANKS!