01-Introduction of Jigs &Fixtures

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    What is Jig

    Jig is a device in which a work piece isheld and located for a specific operation in

    such a way, that it will guide one or more

    cutting tools.

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    FUN!"#N #F $ J"%

    &ork piece holding, supporting, locating 'clamping.

    utting tool guiding to perform machiningoperation.

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    (

    DRILL JIG

    TOP PLATE

    JIG BUSH

    BASE PLATE

    COMPONENT

    WING NUT CLAMP

    V - BLOCKSIDE CLAMP

    LOCATING PLATE

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    )

    What is a Fixtu!"

    Fi*ture is a #$% h$&'i(g '!)i*!used tolocate accurately and to hold securelysingle or multiple work pieces so that there+uired machining operations can e

    performed.

    $ fi*ture should e securely fastened tothe machine tale.

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    -

    Function of a Fi*ture

    $s a workholding device, fi*ture help tosimplify metal working operations

    performed on special e+uipment, as well

    as to utili/e all standard machine tools.

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    0

    &ork piece

    lamping

    element

    wing c

    washer

    utter

    $ngle plate

    ase plate!enon

    lamping

    force

    #rientation3andle

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    5ifference etween Jigs ' Fi*tures

    J"%

    "t is a work holding

    device, which holds

    and positions thework piece and

    guides the cutting

    tools to the work

    piece

    F"6!U78

    "t is work holdingdevice, which hold and

    positions the work pieceand does not guide 'locate the cutting tool

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    5ifference etween Jigs ' Fi*tures

    J"%

    "t is usually not fi*edto the machine tale :

    in case of small si/eholes : less than dia.0 mm.;

    "t is usually light in

    construction "t is only used for

    machining operation

    F"6!U78

    "t is usually fi*ed to themachine

    tale"t is usually heavier inconstruction

    #ther than machining

    operation, it is also usedfor assemly andwelding, inspectionoperations etc.,

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