I have modeled a blaster and am on the last part: countersunk holes for the bolt head and acorn nut.
I have boolean joined all parts and have one body. But when I try to boolean cut/subtract the cylinders for the countersunk bolt heads, the boolean does not work. The bolt hole itself cuts clean, but not the larger cylinder for the bolt head countersunk hole. Check the pics. How can I fix this? Thanks
Hard to guess without your model, please attach.
John Hackney, Retired
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Before moving forward, I want to be sure what type of hole you want. You mention, in your first post, countersink holes. I do not think that will work for you as a countersink hole on the curved surface will not hide the screw head. You could counterbore, then countersink but why not use a socket head cap screw and just counterbore. I think you want to use a 4mm screw. I added a view of one hole, if I am off track, let me know as soon as possible.
John Hackney, Retired
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Thank you for looking at the file.
I very well may be using the wrong terminology, I apologize.
This fusion 360 model is (hopefully) a much better version of an injection molded blaster we have now.
Here is a picture showing how the bolts fit into their own recessed hole (counterbore?) so they cannot snag or catch clothing or loosen.
You did not verify my question about the size screw so I continued with an M4. As I pointed out, I created three sketches that gave me the centers for the three Hole commands which I point out. The plugs you inserted are not necessary and are hidden in the Browser.
You need to learn some of the basics of Fusion 360, your timeline is a mess. The Move command should be used sparely and you should never have any yellow in your timeline. If you hover over the yellow and right click, it will tell you the error. Model is attached.
John Hackney, Retired
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@trinitifx wrote:
I printed the shell and it works perfectly!
All tolerances are exact and we are ready to make a mold.
Do I still need to start all over?
That depends. If you want to learn how to use a parametric CAD software such as Fusion 360 properly, then I would strongly suggest you start over from scratch. This model can be completed wit 1/4th of the timeline items!
For example, use simple sketches and extrusions/revolves etc. to create geometry. Stay away from the solid primitives (cylinder, box, torus, etc.). IMHO those are semiparametric legacy tools that should be removed from the software or preferably be replaced by fully functional and fully parametric versions.
It might help to go through one of the tutorial courses here to get a better understanding of how Fusion 360 works.
