3 specifications – Joyce DSWJ3225 User Manual
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3-3 Specifications
Model Number
(RS)WJT62
(R)SWJT122
(R)SWJT242
(R)SWJT252
D(R)SWJ62
D(R)SWJ122
D(R)SWJ242
SWJT65
SWJT125
SWJT245
DSWJ65
DSWJ125
DSWJ245
SWJ810
SWJ2410
DSWJ810
DSWJ2410
Capacity
2 TON
2 TON
5 TON
5 TON
10 TON
10 TON
Lifting Screw
Diameter
(inches)
1
1
1 1/2
1-1/2
2
2
Thread
Pitch/Lead
(inches)
.250 Pitch
Acme
.250 Pitch .500
Lead Acme
.375 Pitch Stub
Acme
.250 Pitch .500
Lead Acme
.500 Pitch Acme
.333 Pitch
.667 Lead Acme
Worm Gear
Ratio
6:1
12:1
24:1
6:1
12:1
24:1
6:1
12:1
24:1
6:1
12:1
24:1
8:1
24:1
8:1
24:1
Worm Shaft
Turns for 1"
Travel
24
48
96
12
24
48
16
32
64
12
24
48
16
48
12
36
Tare Torque
Inch-lbs.
6
6
15
10
30
30
Starting Torque
Inch lbs.
.041W* .025W*
.018W *
.057W*
.035W*
.025W*
.065W*
.041W*
.029W*
.072W*
.045W*
.033W*
.061W*
.030W*
.701W*
.035W*
Operating
Torque †
(inch lbs.)
.028W*
.015W*
.009W*
@ 500 RPM
.039W*
.022W*
.013W*
@ 500 RPM
.044W*
.025W*
.015W*
@ 300 RPM
.050W*
.028W*
.017W*
@ 300 RPM
.043W*
.018W*
@ 200 RPM
.062W*
.026W*
@ 200 RPM
Screw Torque **
(inch lbs.)
.098W*
.139 W*
.151 W*
.171 W*
.195W*
.228W*
Efficiency
Rating approx.
24.2%
22.0%
18.3%
33.7%
30.5%
25.4%
23.0%
20.6%
16.7%
26.8%
23.9%
19.6%
23.1%
18.8%
31.9%
25.9%
Basic Jack
Weight (lbs.)
15
15
32
32
43
43
Add to Basic
Jack Weight
(lbs.) for each
Additional 1" of
Travel
.3
.3
.7
.7
1.3
1.3
Series DWJ may lower under load. External locking systems are required
W* = Load in pounds
**Screw torque is the torque required to keep the screw from rotating.
† Operating torque: torque required for a given load increases as speed decreases