STEP 5: Conveyor Rollers Continued ... -
15: Installing the bottom braces and rollers.
16: Conveyor ends and roller.
The rollers on the bottom of the conveyor are spaced further apart than the top rollers as the belt isn’t carrying any load. Begin by cutting 9 pieces of scale 2 x 10’ to a length of 10 scale inches. This produces a small square that then is cut diagonally to make triangular braces for the bottom rollers.
To finish the other end of the conveyor, two plates are needed to support the last two rollers. Cut two pieces of .010 styrene a scale 5’ x 1 1/2’ and trim them to match the dimensions of the drawing of the conveyor bracket- bottom on Drawing 1.
Install the bottom braces on the inside of the 1/16”angle at each location where the 3/32” channel crosses starting at the second angle from the bottom of the conveyor. Do not place any braces on the angles at either the end of the conveyor. The photo here (15) shows placing the last roller toward the end of the conveyor that will rest on the small tower.
Install the plates on the outside of the I-beams so that 3’ feet extends beyond the end of the conveyor. Cut a piece of 1/16” styrene rod and glue it in place a scale 3’ from the end of the plates. Next, cut a piece of 1/8” styrene tube to the width between the plates and glue it at the end of the plates as shown in the photo here (16).
Once all the bottom braces are in place, measure the distance between the braces, cut 9 pieces of 1/16” styrene rod to this measured length between the braces, and glue the rollers in place (15).
Page 73 • Dec 2012 MRH
Modeling a Coal Loader – Part 1, page 10
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