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18 Cards in this Set
- Front
- Back
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Name the two general types of roller conveyors |
Gravity roller conveyor Live roller conveyor |
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What is the frame that supports the rolls of a roll conveyor called |
Rollcase |
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State the advantage of a high roll mounting position |
Packages can be wider than the conveyor |
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For skate wheel conveyors, what is the minimum number of wheels that should be under the smallest container it is to carry |
5 |
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For roller conveyors, what is the min number of rollers that should be under the smallest container it is to carry |
3 |
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What is the hand of a curved conveyor |
When looking down the direction of flow of the conveyor, if the conveyor turns to the left, it is said to be left handed, if it turns to the right it is said to be right handed |
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How are eccentric roll shafts mounted in the roll |
They are mounted off center |
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The surfaces of eccentric rolls must be _______the level of the chain carrying material across them so the material can move_______ |
Below, sideways |
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Eccentric rolls must be ________in order to operate properly |
Timed synchronized |
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How are bottle rolls mounted in reference to the transferring conveyor |
The tapered portion is below the chain and the main part of the roll is above the chainway, with the tapered end facing upstream into the material flow |
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Angled rolls move material against a/an___________ |
Alignment fence, straightedge, guide bar |
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Name 3 uses of angled rolls |
To bring package into alignment to mark it To bring the product into alignment for a manufacturing step To position the package or product for transfer |
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What must you do before working on a gravity roll conveyor |
Lock out any power driven conveyor that feeds onto the gravity roll conveyor and remove all pkgs from the conveyor on which you will be working |
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Name two test for failed bearing in gravity roller conveyors |
Check the bearing housing for excessive heat Turn the roll and feel for roughness in the bearing |
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Which two gauges can help you check a V-belt drive system |
Belt tension gauge Sheave profile gauge |
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Chain drives are usually used on ________duty roll conveyors |
Heavy |
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Name five common overload devices |
Shear pin Torque limiting clutch Ball detent overload Hydraulic relief valve limiter Torque arm |
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What must you never do when replacing shear pins |
Never sub a bolt for a shear pin |
