CEB Press/Manufacturing Instructions/Arms - primary
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The primary arms attach the cylinder/frame assembly to the secondary arms, which support it. They also attach to the Brickholder plate, the Dirt-keeper plate, the Controller Mount, and the Valve Mount.
Tools Required
Hole punch with 13/16" and 3/4" dies
Materials Required
- 2 pieces 72" long - 4"x6"x1/2" angle steel
Diagrams
Left
Right
shonda's print for the CEB
Fabrication Steps
There are two primary arms, one from each 6' (72”) piece of angle steel. The arms will not be identical, as arm B will have no holes punched on the 6” side whereas the other arm, arm A, will need holes punched on the 6” side. The holes for the grate supports will be torched in place.
- On one piece, mark holes on the 4" side, all 1.25" away from the edge for:
- Two total 3/4” diameter holes at 2” and 70.”
- Six total 13/16” diameter holes at 27", 37", 39 3/4", 48 1/4", 51", and 63 1/2".
- Use this piece to mark the locations on the other side. They are to be mirrored, so make sure they aren't in the same exact orientation.
- Determine which one is arm A and which is arm B by looking at the diagrams. Label them.
- Punch the holes.
On arm A, punch the following holes on the 6” side of the angle iron, measured from the left, each centered 1 3/4” from the long edge:
- Five total 13/16” diameter holes at 9”, 13”, 18”, 28”, and 30" inches.
- Also, torch the hole for adjusting the rollers at 45". Its shape is shown in the diagrams.
- Torch the roller adjustor hole in arm B, 45" from the right, so the holes will be at the same frame location.