|
Aero-Motive
Reels, Balancers |
|
Coffing Hoists
Hoists, Hoist
Repair |
|
CM Hoists
Chain
Hoists, Wire Rope, Ratchet Levers, Trolley
|
|
Conductix
Power and Data Transfer Systems |
Demag
Overhead Cranes
Hoists and Winches Gearmotors
Ergonomic Systems |
|
Duff-Norton Mechanical
Actuators, Rotary Unions, Electromechanical Actuators |
|
Equipto
Storage Systems |
|
Hilman Rollers
Riggers Sets |
Harrington Hoists
Chain & Wire Hoists |
|
Joyce/Dayton
Jacks, Actuators |
|
Lyon
Tool Storage, Locker Units
|
|
Perfecting Coupling |
|
Ram-Pac
Hydraulic Tools
|
Stanley Bostitch
Pneumatic Tools, Fasteners
|
Simplex
Jacks and Braces |
|
In-Plant Offices, Mezzanines
|
 |
| |
|
Stainless
Steel Jacks
5 Ton Capacity |
|
| Model
Number |
SWJ65
SWJ125
SWJ245 |
DSWJ65
DSWJ125
DSWJ245 |
| .pdf
Drawing (Acrobat Reader Required) |
View .pdf
Drawing |
View .pdf
Drawing |
| Lifting
Screw Diameter (Inches) |
1 1/2 |
1 1/2 |
| Thread
Pitch/Lead |
.375 Pitch
Stub Acme |
.250 Pitch
.500 Lead Stub Acme |
| Worm Gear
Ratio |
6:1
12:1
24:1 |
6:1
12:1
24:1 |
| Worm
Shaft Turns For 1" Travel |
16
32
64 |
12
24
48 |
| Maximum
H.P. @ Given RPM |
2.55
1.65
.55 |
2.55
1.65
.55 |
| Operating
Torque* (Inch Lbs.) @ Worm RPM |
.044W*
.025W*
.015W*
@ 300 RPM |
.050W*
.028W*
.017W*
@ 300 RPM |
| Screw
Torque** (Inch Lbs.) |
.151W* |
.174W* |
| Efficiency
Rating % Approx. |
22.6
20.2
16.5 |
26.8
23.9
19.6 |
| Basic
Jack Weight (Lbs.) |
32 |
32 |
| Add to
Basic Jack Weight (Lbs.) For Each Additional 1" Of Travel |
.8 |
.8 |
Important: Series DSWJ double lead screw jacks may lower under
load. External locking systems are required.
*W = load in pounds.
* Operating torque: torque required for a given load increases
as speed decreases.
** Screw torque is the force required to keep the screw form
rotating. |
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