Originally posted by Pneumagger
Please tell me that's in centimeters or something.
That's pretty big. Are you making a potato cannon?
Google for spring suppliers. You would be surprised at the kind of springs that already exist.
McMaster is ALWAYS a good place to start for ANY project you encounter in life.
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EDIT: (I can't resist)
Try to avoid using wording or process specification in callouts unless unavoidable. Remove the word "threading". Whoever is making that "1/8 NPT" callout in the shop should know what drill and tap depth will be for any NPT threaded feature. They should have a go/nogo gauge for that process. You may want to specify a small chamfer @ the entrance to threaded holes. About those holes...
Don't call out holes for screw sizes. Pick your screw and then pick a loose or tight fit hole. Google "tap drill chart"... lookup through hole sizes for various thread sizes. Go with "loose fit" and a washer. Loose fit will be more forgiving tolerance-wise since you are using a drill press. Which bring us to...
Geometric tolerances... where are they?
At least use dimensional tolerances or include a general drawing tolerance block...
Speaking of dimensions...
You are trying to imply too much or all components are under-defined. Flange thicknesses... are all .500? Is three decimal accuracy required on the flanges? For ~.5 consider .XX+/-.050
For the 5 radial holes, specify some axial centerlines on the end views. Call out the diameter of the pattern and use basic dimensioning to call out "5X 72*" wrt one of the axial centerlines.
Middle view should be called "SECTION VIEW" or the features should be shown as hidden lines. Avoid dimensioning to hidden lines. If you do want to show sections, also show a centerline... section arrows on the parent view help with intent too.
Oring glands. You'll have to seal all those flanges somehow. Google: Parker Hannifin Handbook.
You did use third angle projection, though.
That's pretty big. Are you making a potato cannon?
Google for spring suppliers. You would be surprised at the kind of springs that already exist.
McMaster is ALWAYS a good place to start for ANY project you encounter in life.
----------------------------------------
EDIT: (I can't resist)
Try to avoid using wording or process specification in callouts unless unavoidable. Remove the word "threading". Whoever is making that "1/8 NPT" callout in the shop should know what drill and tap depth will be for any NPT threaded feature. They should have a go/nogo gauge for that process. You may want to specify a small chamfer @ the entrance to threaded holes. About those holes...
Don't call out holes for screw sizes. Pick your screw and then pick a loose or tight fit hole. Google "tap drill chart"... lookup through hole sizes for various thread sizes. Go with "loose fit" and a washer. Loose fit will be more forgiving tolerance-wise since you are using a drill press. Which bring us to...
Geometric tolerances... where are they?
At least use dimensional tolerances or include a general drawing tolerance block...
Speaking of dimensions...
You are trying to imply too much or all components are under-defined. Flange thicknesses... are all .500? Is three decimal accuracy required on the flanges? For ~.5 consider .XX+/-.050
For the 5 radial holes, specify some axial centerlines on the end views. Call out the diameter of the pattern and use basic dimensioning to call out "5X 72*" wrt one of the axial centerlines.
Middle view should be called "SECTION VIEW" or the features should be shown as hidden lines. Avoid dimensioning to hidden lines. If you do want to show sections, also show a centerline... section arrows on the parent view help with intent too.
Oring glands. You'll have to seal all those flanges somehow. Google: Parker Hannifin Handbook.
You did use third angle projection, though.
Thank you SO MUCH! I've been having to teach myself how to do all of this almost by myself. I've been having to take so many guesses on how to do everything that I usually over-estimate or in the case of formatting everything: get it completely wrong. However, for many of the mistakes listed, I knew to include them in the sketch, I just had to put the whole thing together rather hastily.
If there are any online textbooks or tutorials on technical sketching that you could recommend me to, I would really appreciate it.
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