Greenlee 884 / 885 (Hydraulic, rigid only): radius, deduct and gain
The Greenlee 884 / 885 (Hydraulic, rigid only) is a hydraulic bender for rigid (RMC), 1/2" to 4". These are the numbers BendMate uses for each of its shoes.
Part numbers: 884, 885 (adds a 5 in segment shoe)
Specs by shoe
| Size | Centerline radius | Deduct | Gain | Notes |
|---|---|---|---|---|
| 1/2" RMC | 4" | 1 5/16" | 2 9/16" | Gain worked out from the radius. The deduct is to the bending mark aligned with the center of the shoe (the middle of the bend), not a hook. Optional shoe. |
| 3/4" RMC | 4 1/2" | 1 1/2" | 3" | Gain worked out from the radius. The deduct is to the bending mark aligned with the center of the shoe (the middle of the bend), not a hook. Optional shoe. |
| 1" RMC | 5 3/4" | 1 7/8" | 3 13/16" | Gain worked out from the radius. The deduct is to the bending mark aligned with the center of the shoe (the middle of the bend), not a hook. Optional shoe. |
| 1-1/4" RMC | 7 1/4" | 2 3/8" | 4 3/4" | Gain worked out from the radius. The deduct is to the bending mark aligned with the center of the shoe (the middle of the bend), not a hook. |
| 1-1/2" RMC | 8 1/4" | 2 3/4" | 5 7/16" | Gain worked out from the radius. The deduct is to the bending mark aligned with the center of the shoe (the middle of the bend), not a hook. |
| 2" RMC | 9 1/2" | 3 1/4" | 6 7/16" | Gain worked out from the radius. The deduct is to the bending mark aligned with the center of the shoe (the middle of the bend), not a hook. |
| 2-1/2" RMC | 12 1/2" | 4 1/8" | 8 1/4" | Gain worked out from the radius. The deduct is to the bending mark aligned with the center of the shoe (the middle of the bend), not a hook. |
| 3" RMC | 15" | 4 15/16" | 9 15/16" | Gain worked out from the radius. The deduct is to the bending mark aligned with the center of the shoe (the middle of the bend), not a hook. |
| 3-1/2" RMC | 17 1/2" | 5 3/4" | 11 1/2" | Gain worked out from the radius. The deduct is to the bending mark aligned with the center of the shoe (the middle of the bend), not a hook. |
| 4" RMC | 20" | 6 1/2" | 13 1/16" | Gain worked out from the radius. The deduct is to the bending mark aligned with the center of the shoe (the middle of the bend), not a hook. |
This bender’s deduct is measured to the middle of the shoe, so BendMate marks the center of every bend for it.
Marks on the shoe
- 1Middle of the shoeLine your marks up here: the bend forms evenly on both sides of it.
The angle is read from how far the ram has travelled.
Where the numbers come from
Bend with the Greenlee 884 / 885 (Hydraulic, rigid only) in BendMate
Choose it in the app and every mark comes from these numbers. Edit any of them to match your own bender.
Common questions
What is the deduct for 1/2" RMC on the Greenlee 884 / 885 (Hydraulic, rigid only)?
1 5/16". Subtract it from the stub length to find where to mark a 90. The shoe’s centerline radius is 4" and its back-of-90 gain is 2 9/16".
What is the deduct for 3/4" RMC on the Greenlee 884 / 885 (Hydraulic, rigid only)?
1 1/2". Subtract it from the stub length to find where to mark a 90. The shoe’s centerline radius is 4 1/2" and its back-of-90 gain is 3".
What is the deduct for 1" RMC on the Greenlee 884 / 885 (Hydraulic, rigid only)?
1 7/8". Subtract it from the stub length to find where to mark a 90. The shoe’s centerline radius is 5 3/4" and its back-of-90 gain is 3 13/16".
What is the deduct for 1-1/4" RMC on the Greenlee 884 / 885 (Hydraulic, rigid only)?
2 3/8". Subtract it from the stub length to find where to mark a 90. The shoe’s centerline radius is 7 1/4" and its back-of-90 gain is 4 3/4".
Brand and model names only identify the bender. BendMate isn’t affiliated with or endorsed by Greenlee. Check the numbers against the markings on your own bender.