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IPPI > feeders > Flashcards

feeders Flashcards

1
Q

-machineries used in assembly and manufacturing applications to move or “transport” materials or products to a designated storage or to other processing equipment

A

FEEDERS

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2
Q
  • rotating element or vane discharges powder or granules at a predetermined rate
  • often used with large amounts of solid materials
  • power comes from an internal combustion engine or an electric motor
A

ROTARY FEEDERS

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3
Q
  • use both vibration and gravity to move material
  • used to transport a large number of smaller objects
  • uncontrolled recovery of the material from top of feeder
  • controlled delivery of the material from bottom of feeder
A

VIBRATORY FEEDERS

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4
Q
  • used for handling bulk materials, in which a rotating helicoid screw moves the material forward, toward and into a process unit
  • very similar to screw conveyors in their basic structure, both of which are based on the principles of the Archimidean screw
  • capable of delivering dense slurries and dry granular products with great accuracy at a range of operational speeds
  • drive is controlled by servo motors capable of precise stop-start and speed control
A

SCREW FEEDERS

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5
Q
  • amount of material transported is carefully calculated and controlled by adjusting the speed at which the screw turns
  • very accurate feed values to be maintained
  • rotational speed may be preset or constantly adjusted
A

VOLUMETRIC SCREW FEEDERS

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6
Q

-delivery rate is controlled by adjusting the rate at which the material is introduced into the machine

A

GRAVIMETRIC SCREW FEEDER

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7
Q
  • also known as plate-belt feeder; plate feeder
  • allows automatic control of the volume of materials that are added to a process
  • construct is from heavy, durable materials like steel
  • can be found in mining operations, factories, and concrete plants
  • cannot be used in applications where precise feeding and measuring is required
A

APRON FEEDERS

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8
Q
  • used to feed parts to an assembly line or piece of manufacturing equipment
  • uses special sensors to spot jams or parts that may be misaligned
  • one drawback is its precise operation
A

BOWL FEEDERS

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9
Q

*TYPES OF BOWL FEEDERS

A
  • Cylindrical
  • Conical
  • Stepped
  • Polyamide bowl
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10
Q

Material:
-Aluminum/Steel/Stainless Steel

Suitable for:
-continuous transport of components and for handling small parts

A

CYLINDRICAL

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11
Q

Material:
-Aluminum/Stainless Steel

Suitable for:

  • heavy sharp-edged components
  • larger loads
  • automatic pre-separating
A

CONICAL

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12
Q

Material:
-Aluminum/Stainless Steel

Suitable for:

  • larger loads and larger components
  • similar to conical bowls
A

STEPPED

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13
Q

Suitable for:

-small components with simple geometry and where mass production feeders is required

A

POLYAMIDE BOWL

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14
Q
  • a structure for storing bulk materials.
  • used in agriculture to store grain or fermented feed known as silage
  • more commonly used for bulk storage of grain, coal, cement, carbon black, woodchips, food products and sawdust
A

SILO / STORAGE SILO

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15
Q

*3 TYPES OF SILOS IN WIDESPREAD USE TODAY

A
  • Tower silos
  • Bunker silos
  • Bag silos
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16
Q

-used for the storage and launching of ballistic missiles

A

MISSILE SILOS

17
Q
  • most common type of silo
  • can be made of concrete, brick, metal, wood, and other materials
  • loading and unloading is done with automated systems
A

TOWER SILOS

18
Q
  • are trenches, usually with concrete walls
  • covered with a plastic tarp to make it airtight
  • automated systems for loading and unloading
  • more low profile than tower silos
  • better insulated
A

BUNKER SILOS

19
Q
  • 8 to 12 ft in diameter
  • unloaded using a tractor and loader or skid-steer loader
  • require little capital investment
  • temporary measure when growth or harvest conditions require more space
A

BAG SILOS

20
Q
  • shorter than a silo
  • used for holding dry matter
  • shape is either round or squared
  • contain a hollow perforated or screened central shaft
A

BINS

IPPI (4 decks)

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