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Step 5Fabricating the tapered stopper
The following discussion assumes some basic knowledge of how to use a lathe.
1. Chuck up the 1 1/4" delrin rod and mount a sharp cutting tool.
2. Using the highest possible speed for this and following steps, face off the end.
3. Set the angle of the cross carriage to 6 degrees so that the small end of the taper will be at the free end of the rod. (Setting the cross carriage angle now minimizes measurement steps later on.)
4. Turn the OD of the rod down to 0.972" on the entire exposed end of the rod.
5. Turn the last 0.56" of the rod down to 0.86".
6. Cut a 6 degree taper on the 0.56" section, leaving the OD of the small end of the rod at 0.76".
7. Moving 0.64" away from the free end, part off the stopper.
1. Chuck up the 1 1/4" delrin rod and mount a sharp cutting tool.
2. Using the highest possible speed for this and following steps, face off the end.
3. Set the angle of the cross carriage to 6 degrees so that the small end of the taper will be at the free end of the rod. (Setting the cross carriage angle now minimizes measurement steps later on.)
4. Turn the OD of the rod down to 0.972" on the entire exposed end of the rod.
5. Turn the last 0.56" of the rod down to 0.86".
6. Cut a 6 degree taper on the 0.56" section, leaving the OD of the small end of the rod at 0.76".
7. Moving 0.64" away from the free end, part off the stopper.
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