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|
Machine
Screw Jacks
5 Ton Capacity |
|
| Model
Number |
WJT65
WJT125
WJT245 |
DWJ65
DWJ125
DWJ245 |
| .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 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. @ Worm 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* |
.171W* |
| Efficiency
Rating % Approx. |
23.0
20.6
16.7 |
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 DWJ 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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