Calculating Ram Travel For Bend Angle - Greenlee Cam Track 881GX Instruction Manual

Calculating Ram Travel for Bend Angle

After the conduit has been snugged up, the ram must travel a particular distance to achieve the desired bend angle
(Table 1). A rubber O-ring on the ram scale is used to indicate the position at which the bend angle is achieved. Use
the directions below to determine where to place the rubber O-ring on the ram scale.
1. Snug-up bender by advancing ram until shoe,
conduit, and follow bar are tight. The conduit should
not be able to twist between the saddle and shoe.
2. Calculate Z = X + Y
Z = Stop position on ram scale based on X and Y.
X = Scale reading at Snug-Up position.
Find X by looking where the scale and top of the
cylinder block meet.
Y = The Ram Travel from Table 1. This is how far the
ram should travel to achieve the desired bend
angle for a specific conduit size.
3. Move rubber ring to calculated Z-Position. (Fig. 16)
4. Advance ram to the Z-Position. Monitor the bend
and stop when the rubber ring touches the top of
the cylinder block. (Fig. 17)
*This table shows
the distance (Y) the
ram must travel
to make a bend.
BEND
These numbers are
ANGLE
not the end posi-
tion located on the
scale.
BEND
ANGLE
BEND
ANGLE
14
TABLE 1 RAM TRAVEL* - "Y"
(VALUES ARE APPROXIMATE)
EMT (CONDUIT TRADE SIZE - in.)
2-1/2
10° 13/16
15° 1-1/16
30° 2
45°
2-15/16
60°
3-13/16
90° 5-5/16
IMC (CONDUIT TRADE SIZE - in.)
2-1/2
10° 1-1/8
15°
1-9/16
30° 2-7/8
45° 4-5/16
60° 5-13/16
90° 8-1/8
RIGID (CONDUIT TRADE SIZE - in.)
2-1/2
10° 1-1/16
15° 1-1/2
30° 2-7/8
45° 4-1/4
60°
5-5/8
90°
8-1/8
Cam Track® Hydraulic Bender
X
3 3-1/2
15/16 1
1-5/16 1-3/8
2-7/16 2-3/8
3-11/16 3-3/8
4-13/16 4-3/8
6-13/16 6-11/16
3 3-1/2
1-3/16 1-1/16
1-11/16 1-1/2
3-1/4 3
5 4-3/8
6-3/4 5-13/16
9-5/8 8-13/16
3 3-1/2
1-3/16 1
1-11/16 1-1/2
3-5/16 2-7/8
5 4-1/4
6-11/16 5-3/4
9-9/16 8-3/4
© 2022 Greenlee Tools, Inc.
X Z
Y
Figure 16
Z
Y
Figure 17
4
7/8
1-3/8
2-7/16
3-5/8
4-7/8
7-1/4
4
1-3/16
1-13/16
3-3/16
4-13/16
6-7/16
9-11/16
4
1-1/16
1-11/16
3-3/16
4-13/16
6-7/16
9-11/16
52093598 Rev 00