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Mock exam in College-Need a little help please?
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Bobdob 
Groupie 
Joined: 01.Sep.2013 Location: United Kingdom Using: About to learn Status: Offline Points: 51 |
 Posted: 16.Mar.2014 at 12:44 |
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Hi,
Thank you. Do you mean like this: 
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philippe JOSEPH
Senior Member 
Joined: 14.Mar.2011 Location: France Using: AutoCAD Mechanical 2017 Status: Offline Points: 1426 |
Posted: 16.Mar.2014 at 12:45 |
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[QUOTE=philippe JOSEPH]Bobdod, you have a command CHAMFER with the settings of 2 values that you will set at 1.
You can also draw a circle radius 1 with its center at the extremity of your arrow and modificate le lines with their grips or with the command TRIM. I'm affraid this is really AutoCAD basics, I would purchase basic trainning eventually in the user guide in PDF form loaded in your (C) disk in (C)\Program files\Autodesk\.... |
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Bobdob
Groupie
Joined: 01.Sep.2013 Location: United Kingdom Using: About to learn Status: Offline Points: 51 |
Posted: 16.Mar.2014 at 13:24 |
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Hi again,
Bobdob the slow learner here. Please can I ask one of you/anyone to check my screwdriver's dimensions to the drawing exercise? I have checked as far as I can and it seems fine but could do with a double check, if that's ok, please. Drawing exercise here:  I have attached my attempt as a .dwg: uploads/401438/Screwdriver-Done.dwg |
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John Connor
Senior Member
Joined: 01.Feb.2011 Location: United States Using: AutoCAD 2018 Status: Offline Points: 7175 |
Posted: 16.Mar.2014 at 14:38 |
Imagine you drew a circle with a diameter of 1 unit and used the intersection of the two lines your arrow points to. Now where the circle intersects with the horizontal and vertical lines imagine you drew a new line from intersection to intersection. That would be your chamfer. The new line would be at a 45 deg angle. |
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>> |
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Bobdob
Groupie
Joined: 01.Sep.2013 Location: United Kingdom Using: About to learn Status: Offline Points: 51 |
Posted: 16.Mar.2014 at 14:41 |
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Hi JC,
I think I did that, if you could be so good as to check my drawing of the screwdriver that I have attached, I would appreciate that. Thank you. |
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John Connor
Senior Member
Joined: 01.Feb.2011 Location: United States Using: AutoCAD 2018 Status: Offline Points: 7175 |
Posted: 16.Mar.2014 at 15:04 |
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The screwdriver looks good. One minor thing. Look at the image for the assignment. The bottom of the circle with the diameter of 40 has been trimmed away where it meets the two arcs with the radius of 15.
You still have work left to do on the screw. |
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>> |
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Bobdob
Groupie
Joined: 01.Sep.2013 Location: United Kingdom Using: About to learn Status: Offline Points: 51 |
Posted: 16.Mar.2014 at 15:16 |
Thanks for that, that was a stupid mistake. The screw......God damn it I've tried. I have done everything fine apart from the rectangles. Obviously I can see what the width has to be (1.4) but I just can't get a handle on the length. I am sorry for this. Once I have done this, I can do them both over and over so come Tuesday I will be just fine. Only the screw to do now... This is where I'm at/struggling with the screw...(I have attached the .dwg) uploads/401438/Screwdriver-Done_but_not_screw.dwg |
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John Connor
Senior Member
Joined: 01.Feb.2011 Location: United States Using: AutoCAD 2018 Status: Offline Points: 7175 |
Posted: 16.Mar.2014 at 15:32 |
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For starters the depth of the notch (where the screwdriver tip would go) is supposed to be 2.1; your depth measures 1.4 instead.
Not sure how you actually constructed the threads but it appears you have a total of 10 overlapping lines which is not a good habit to get into. Edited by John Connor - 16.Mar.2014 at 15:38 |
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>> |
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Bobdob
Groupie
Joined: 01.Sep.2013 Location: United Kingdom Using: About to learn Status: Offline Points: 51 |
Posted: 16.Mar.2014 at 15:42 |
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I basically haven't a clue with the threads...
Edited by Bobdob - 16.Mar.2014 at 15:43 |
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John Connor
Senior Member
Joined: 01.Feb.2011 Location: United States Using: AutoCAD 2018 Status: Offline Points: 7175 |
Posted: 16.Mar.2014 at 16:01 |
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You're very close. What seems to be the problem?
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>> |
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