seminar cadcam 12ccr001

8/18/2019 Seminar Cadcam 12ccr001

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Conveyors

By v.k.gobinath

12ccr001

ME-cad/cam


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Introduction


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Belt conveyor..


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Belt

Conveyor belts are used in a wide variety ofmaterial transport applications such asmanufacturing, food processing, and heavyindustry.

Commercial applications include:

• Agriculture

•

Construction - heavy building materials• Food and beverage processing

• Forestry - logging, sawmill, paper pulp, etc.

• Mining and quarrying

• Factory production line


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cre! Conveyor


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Cont.$

%isadvantage

operates at relatively low rotational speeds

Abrasive problems arise at high speed

&ower consumption per unit weight

transferred is high


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Chain conveyor

&rinciple

(ori"ontally and inclined or vertically placed motordriven chain conveyes the material in the belt)buc*et

from the feed point to discharge point.

+wo elements:

chain elements

chain attachments


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ChainChain conveyors use

belts or rollers to moveob/ects

0elay logic and

pneumatic control

devices used to controland program the chain


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&oller A roller trac* for a storage rac* or roller conveyor, comprising a wall

arrangement, and a longitudinally-e$tending array of freely rotatable roller

units supported on the wall for supportive engagement with a load, the roller

units being disposed for rotation about generally parallel hori"ontal a$es

which are hori"ontally spaced along a longitudinally-e$tending conveying

direction, each roller unit including an annular roller housing supported

through an annular array of antifriction bearing elements on a support spindlefor rotation about the respective hori"ontal a$is.


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'ibrating 1ibrating conveyor2s operation is typically

based on the natural frequency principle. Atthe natural frequency, the conveyor will

vibrate indefinitely with only a small energy

input. 3nce the drive initiates the conveyor4s

vibration, the supporting springs, by

alternately storing and releasing most of the

required energy, help maintain constant motionunder the conveyed load.

!epending on the frequency and the si"e of

the ob/ect can reach speeds as high as 56 fpm

7o programming is needed, uses an on or off

system to control it


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(y"es o) conveyor*s


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(hank you

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