Plan of Procedure
- Gather all materials listed in the above tables, and bring them to the working area
- Gather all measuring and marking material and bring them to the working area
- Measure, mark, and layout all sides of outer box.
- Make sure all layout lines are within 1/16th of the specs for each piece
- Cut all marked pieces on band saw and cut to specifications
- After cutting each piece number and code each piece to avoid confusion.
- Perform a dry fit for all pieces to assure all pieces fit together
- Make any corrections, if needed, after doing the dry fit.
- Take bottom and top labeled pieces and mark on each the areas where holes will be drilled.
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- Slowly drill marked area making sure not to exceed marked depth on drill bit.
- After drilling first hole, change drill bit to and again mark a quarter inch up from the top of the drill bit with tape (Fig.1-1).
- Repeat step 11 with larger drill bit, making sure to bevel the hole.
- After drilling the holes on both the top and bottom pieces, run a dry fit with the plastic rods rods, and the drilled holes (Fig1-2).
- Make any corrections needed after this dry run.
- Mark all points on the labeled pieces for pilot holes.
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- Slowly drill each hole, making sure not to shatter the polycarbonate.
- After drilling each hole take drill bit and again mark length of screw from the tip of the drill bit.
- Using new drill bit size; continue drilling each marked area to marked depth on the drill bit, making sure not to shatter the polycarbonate, and to bevel each hole(Fig1-3).
- After drilling each hole assemble the pieces including the plastic rods to ensure a firm fit of all the pieces.
- Make any corrections if needed.
- Mark on polycarbonate the specifications for the interior divider
- Make sure all measurements are within 1/16th of an inch, of computer drawings.
- Cut piece using band saw, cut to specifications
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- One bottom and top piece mark area in which the divider will be placed
- After marking the top and bottom pieces do a dry fit with the divider in the box.
- Make any corrections if needed.
- Print out copy of full scale claw of the arm
- Tape printed out claw onto remaining polycarbonate.
- Using thick permanent marker trace the claw onto the polycarbonate.
- Measure dimensions on polycarbonate, to ensure they are within 1/16th inch, make and corrections if need.
- Using band saw, make outline cuts of the claw, leaving space so it can be sanded down to final form.
- Wearing a mask, and in a ventilated area sand the cut out claw pieces, starting with the coarsest sand paper and working towards the finest.
- After sanding claws down to final form, mark on each the area where a hole will be placed for the plastic rods (Fig1-4).
- Measure hole to make sure it is within a 1/16th of an inch of specifications.
- Take drill and appropriate size drill bit and drill hole, making sure not to shatter Lexan, in appropriate area (Fig1-5).
- After drilling do a dry run with the plastic rods and claws, make corrections if needed.
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1-5
- Cut out marked and dimensioned pieces on the band saw.
- Run dry fit of pieces, making corrections if needed.
- Mark and measure the area in which the hole for the shaft of the motor will be placed.
- Using drill and appropriate drill bit, drill hole in correct area on the divider.
- Take the largest plastic rod, and center it on the shaft of the motor.
- After repeatedly centering it and marking each centering on the plastic rod, take a drill bit (1/16th) and measure up from the tip of the drill bit a half an inch( length of shaft), and mark it with tape.
- Slowly drill the hole on the center mark of the rod, making sure it does not shatter.
- After completing the hole, run a dry fit, making corrections where needed.
- With all components completed run a full scale dry fit, making corrections where needed.
- After corrections have been made, start to assemble the arm.
- First start with gluing the bottom of the box to the sides of the box, using the special polycarbonate glue, Ploy Zap.
- After completing that, attach back to the bottom, using the same method stated above.
- Then attach divider to the bottom using the same method as above.
- Assemble motor support using same method as sated above and then attach it to the bottom, using same method.
- Place motor on motor support, making sure to align shaft perfectly with hole in the divider.
- Attach worm gears to their respective support rods.
- Attach Connecting rod to shaft, making sure it is centered, then place connecting rod, into bore of the worm, and connect them together.
- Place plastic rods (with gears attached), into their perspective holes, and grease the holes with WD-40(Fig1-6).
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- Touch any looser ends
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