Page 1 Process Plans Introduction Process plans are critical for doing well in 2 007 You will do poor design work and your grade will reflect it if you chop and build with no thought beforehand Process plans allow you to make the most of your time in the shop They also help you to structure your thoughts by forcing you to think about how your are going to build your parts and machine before you enter the shop For a lot of you this will be your first long term structured design project The format that your process plans must be in is the following Process Plan Table You should make a table with the following columns Make a row for each major step in making a part Step 1 2 3 Tools Needed Materials Needed Description Tools Needed This is a list of all the tools needed to do the current step Include sizes as appropriate drill tap die etc Materials Needed This is a list of all the materials needed to complete the step Description A brief outline of what you have to do to complete the current step Process Plan Drawings Good drawings should contain all of your dimensional information You should have at least one for complex parts more likely two or three good dimensioned drawing for each table The drawings should include the following z z z z At least one isometric view of the part Sketches of surfaces with important features that are not shown in the isometric drawing Clearly labeled dimensions A note telling which dimensions are critical and which are not Sample Process Plan Page 2 Step Tools Needed Materials Needed 1 bandsaw C clamp 1 2 and 1 4 basswood wood glue 2 bandsaw part from step 1 3 32 drill part from step 2 4 drill larger part from step 3 Description Cut 2 blocks from the 1 2 basswood and 1 block from the 1 4 bass to build the upper block showing in sketch 6 2c and 3 4c Glue and clamp the three pieces together Cut the grooves shown in sketch 6 2c with the bandsaw Drill solenoid mounting holes and the lift hole Counter bore solenoid mounting holes on underside of upper block to the head of the 4 40 screws fit
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