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Date:  3-4-2010
Number of Hours:  1.00
Manual Reference:  None
Brief Description:  Bend L-angles & Z-angles 4/4

Continued because of Kitlog Pro's *^&#@<&> 2048 character limit!!


2. Screw the trapezoidal piece to the table, using a laser to ensure that the vertical side of the piece (the inside of the die) is held in a straight line.

3. Use 11/16" or 5/8" plywood scraps to hold the angular piece at a constant distance from the trapezoidal piece when screwing the angular piece to the table.

4. Clearly mark the sanded angle on the triagular pusher so that it is always placed pointing down onto the strip to be bent.

5. Mark every ft along the brakes to show the position for the C-clamps.


L-Angle Bending Procedure:

1. Adjust a combination square so that 18-mm of the ruler protrudes from the 90° side of the square. Use the square to place a longitudinal 18-mm mark every ~18" along the strip.

2. Place the strip on top of the brake, with the marks centered between the trapezoidal and angular brake pieces.

3. Place the pusher along the center line, sanded angle down, on top of the strip. Make sure that no part of the strip extends beyond the end of the pusher.

4. Use a ratchet bar or screw bar clamp to hold the pusher at the midpoint of the strip, as shown in Fig A1.

5. Move the point of the pusher to the center line and put a C-clamp on each side of the bar clamp.

6. Work out to the ends of the strip, putting a C-clamp every foot.

7. Remove the bar clamp from the center.

8. Tighten the C-clamps so that they are of near equal "tightness" with all the handles pointing the same direction.

9. Using Harbor Freight 4" C-clamps, tightening ~0.5 turn at a time works about right. Just go back and forth tightening 0.5 turn on each clamp, until all are forced down into the brake. There will be significant spring back. Going pretty much as far as possible yields a near 90° bend angle.

10. Remove the clamps and remove the angle.
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