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    AutoCAD 2010/2011/2012 DWG Format

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    Member
    Posts: 3
    Registered: ‎10-24-2012

    draw arc tangent to a circle and a point

    612 Views, 3 Replies
    10-24-2012 12:31 PM

    Hello House,

     

    I am new here but I need help on how to draw an arc tangent to a circle and a point.

    The attachement here is a detail of the problem I'm having. No 9

    Please profer solution.

    Thank you

    Please use plain text.
    Valued Mentor
    Posts: 337
    Registered: ‎05-11-2009

    Re: draw arc tangent to a circle and a point

    10-24-2012 01:24 PM in reply to: waridel

    Draw offsets from your items, draw a circle the same radius as your offset distance at the point where line cross, and then trim where you need too.

     

    offset.jpg

    Regards Steven Gray
    Setting Out (Joinery Manufacturing)
    Autocad 2013LT
    Windows 7 professional
    Please use plain text.
    Member
    Posts: 3
    Registered: ‎10-24-2012

    Re: draw arc tangent to a circle and a point

    10-24-2012 10:29 PM in reply to: steven-g

    please attemt the head of the spanner not the handle

    Thanks alot

     

     

    Please use plain text.
    Valued Mentor
    Posts: 337
    Registered: ‎05-11-2009

    Re: draw arc tangent to a circle and a point

    10-25-2012 11:53 AM in reply to: waridel

    You can draw the circle with a radius of 53 and the two lines that form the mouth of the spanner, all that information is given on the sketch. The curve you want I think is 30 but it is difficult to make out on the image, but using 30 all you need do is offset from the head of the spanner by 30, your new curve centre has to be somewhere on that offset  line. You cant offset from a point but you can draw a circle of 30 centred on that point, where these two lines cross is the centre you want.

    Regards Steven Gray
    Setting Out (Joinery Manufacturing)
    Autocad 2013LT
    Windows 7 professional
    Please use plain text.