Far more disadvantages than advantages In most cases. Every part change merits a new drawing revision. Much more difficult to track down individual part drawings. Its a downright nightmare for purchasing, manufacturing, and vendors.
I also start out a drawing with the overall assembly, followed by details, and I commonly have multiple Parts on a single drawing sheet (see below). However, my situation is different from most. I work at a testing lab, so I want a single drawing for each test installation, and that drawing is used in the report that goes to the client. These parts are specific to this project, so I see no reason for them to have their own drawings. As a matter of fact, if would be a disadvantage, since I wouldn't want to have to chase down 15 or 20 separate drawings to go in the report.
However, now that I've got that out of the way, you said " the dimensions are hard to ready" (I assume that last word should be "read"). If the dimensions are difficult to read that's the fault of the drafter, not the practice of putting multiple views or parts on a single sheet. If it's too crowded then there should be fewer views on the sheet, or change the scale, or something.
I'm with you on this one. All your drawings on one file (the Assembly) is a disaster waiting to happen. The stability of Solidworks is one reason not to do it that way....more data = more crash's. Pretty risky having all your eggs in 1 basket.
The benefits of separate drawings with the same name as the part file far out weighs your situation. Here are a few:
1) You can search for a drawing..just the drawing.
2) Faster regen time on your assembly model
3) No consequences if your assembly crashes or becomes corrupt
3) Easier to work on your drawing without having to regenerate the entire assembly everytime.
4) Easier managing sheet size etc.
5) Easier to Save As to a different format.
I will agree with Roland and Jody on this. I sometimes have to do this with some sheet metal parts where the formed sheet metal piece/machined part is on one sheet, and the final "assembly" with PEM parts or whatever pressed in it are on the other sheet. That is the ONLY and very limited instance when I think it is acceptable as you are having a sheet metal house/machine shop quote the final assembly and not really the individual part as this would not do you any good in your manufacturing process, but even then I don't care for it.
This is an old standard from the days of actual Blue Prints made with much ammonia on a Diazit machine for the expressed purpose of saving paper.
i put multiple parts on one sheet, the way i file everything like this.
- Job place/number
- SolidWorks Drawings
- SolidWorks Parts
- SolidWorks Assemblies
This seems to be very handy for me. Then i also have files for "Custom Parts" which is brackets and what not that i use routinely.
- Job place/number
this sounds like you might be looking at a weldment, which is a single part with multiple bodies. In this case it is common to have a drawing like you have described, which is WAY faster than having individual part numbers, drawings, etc for every item on the weldment cut list.