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  1. Ali Hsn's Avatar
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    #1

    Meaning of "marking saw"

    Salaam,

    What is meant by "marking saw" in the following sentence please? Is it a kind of saw? Or does it refer to a saw which is marked for some reason? However, in this context, the second one seems a little complicated to me.

    "Carbide tipped saw blades are used for cutting two sides having tooth spacing of 10-15 mm… Cost effective results for producing a clean cut on both sides are obtained when using a marking saw. When using a circular saw blades, the quality of the cut can be influenced by adjusting the angle of emergent (height-adjustment)."

    The text is picked up from a product catalog (Royalé Touché Xterior Compact Laminate)


    Thanks in advance

  2. Skrej's Avatar
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    #2

    Re: Meaning of "marking saw"

    It's a particular kind of saw.
    Wear short sleeves! Support your right to bare arms!

  3. charliedeut's Avatar
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    #3

    Re: Meaning of "marking saw"

    http://www.wonkeedonkeetools.co.uk/m...marking-knife/

    That refers to a marking knife, but I guess a marking saw is used for larger incisions.
    Please be aware that I'm neither a native English speaker nor a teacher.

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    #4

    Re: Meaning of "marking saw"

    I've never heard it called a "marking saw" but, from the context I think it's the same as a 'scoring saw'.

    A single saw blade enters the top of a workpiece and makes a clean cut as it does so. However, as the blade exits the bottom of a workpiece, it tends to pull material with it. In metals or other hard materials, this is not a big problem. But in wood, it can leave a rough edge on the bottom side. Most production woodworking involves veneered panels, and this 'tearout' is a problem to be solved.

    Factory-production saws employ a second blade- smaller than the main cutting blade- which runs on the underside of the workpiece and spins in the opposite direction ahead of the main cutting blade to cut through a bit of the material to prevent this 'tearout'.

    If we imagine only this smaller blade running, then the workpiece would emerge from the machine with a shallow groove- a "mark"- along the cut line.

    "When using a circular saw blades, the quality of the cut can be influenced by adjusting the angle of emergent..."

    1. "...a circular saw blades..." We do not use articles with plural nouns.
    2. emergent is an adjective. Should use the noun form: (angle of) emergence.
    Last edited by J&K Tutoring; 05-May-2016 at 14:53.

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