Greenlee Smart Bender 855 Manual De Instrucciones página 18

Bend Calculations (cont'd)
Four-Bend Saddle with Straight
"4B-SDL"
LENGTH
L2 + STRAIGHT SECTION
LENGTH – Z L1
BENDING BENDING
MARK 1 MARK 2
1. Go to the following Bending Table that is for the size
and type of conduit you are to bend.
2. Look down the ANGLE column until you come to the
angle you want to bend to.
3. Look at the numbers in the row preceded by Z and
pick the one that is directly under the height (H) you
want.
4. Subtract this Z dimension from the desired length.
5. Place your first mark this distance from the end of
the conduit.
6. Look at the numbers in the row preceded by L1 and
pick the one that is directly under the height (H) you
want.
7. Place a second mark this distance from your first
mark.
8. Look at the numbers in the row preceded by L2 and
pick the one that is directly under the height (H) you
want.
9. Add this L2 value to the desired length of your
straight section.
10. Place a third mark this distance from your first mark.
11. Look up the L1 dimension used above again.
12. Place a fourth mark this distance from your third
mark.
13. Make your four bends by placing the front edge of
the hook on the respective marks for each bend.
Greenlee Textron / Subsidiary of Textron Inc.
855 Smart Bender
STRAIGHT
SECTION
HEIGHT
ANGLE
L1
BENDING BENDING
MARK 3 MARK 4
®
U-Bends
Y
BENDING
MARK 1
1. Go to the following Bending Table that is for the size
and type of conduit you are to bend.
2. Look down the ANGLE column until you come to
90 degrees.
3. Look at the numbers in the row preceded by Y and
pick the one that is directly under the height (H) you
want the length to be.
4. Look at the numbers in the row preceded by L1 and
pick the one that is directly under the height (H) you
want.
5. Place a second mark this distance from your first
mark.
6. Make your first bend after placing the front edge of
the hook on the first mark and your second mark and
your second bend after placing the front edge of the
hook on the second mark.
18
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815/397-7070
"U-BEND"
LENGTH
HEIGHT
L1
BENDING
MARK 2