If you looking for one of the best sjb50 ball screw jack manufacturers or a such supplier in China, equipped with one professional factory, Sijie Industrial Co.,Ltd is always at your service, we are able to offer you customized sjb50 ball screw jack products.
SJB50 Ball Screw Jack Details information.
1. Jack Model: SJB50
2. Screw Diam.: 40mm
3. Lead : 10mm . Custom high lead
4. Max load capacity: 50KN
5. Gear Ratio: 1/7, 1/28. Custom other worm gear ratios.
6. Top End: top plate, clevis end, threaded end, plain end , spherical hinge, forked head.
7: Translating screw, rotating screw, keyed screw configurations in upright or inverted mounting orientation.
8. Power Source: Electric Driven,Manual Operated or Both Are Available
9. Screw Type: Ball screw
10: Individually or multiple ball screw jack lift system arrangements are available.
11: High speed, high precision, high efficiency, high duty cycle, high performance, high frequency operation, low drive torque, long service life.
SJB50 Ball Screw Jack Specifications:
Maximum Load ( KN ) |
50 |
Starting Efficiency ( % ) |
H |
33 |
|
Lifting Screw Diam.( mm ) |
40 |
L |
20 |
||
Lead ( mm ) |
10 |
Working Efficiency ( % ) at 1500rpm |
H |
59 |
|
Gear Ratio |
H |
1/7 |
L |
39 |
|
L |
1/28 |
Housing Material |
Spheroidal graphite iron |
||
Permissible Max. Power ( Kw ) |
H |
2.1 |
|||
L |
1.1 |
||||
Max starting torque full load ( N.m ) |
H |
34.4 |
Weight without stroke ( Kg ) |
23 |
|
L |
14.6 |
Weight per 100mm screw and protective tube( Kg ) |
1.6 |
SJB50 Screw Jack Lifting Load( KN ) | ||||||||||
Speed (rpm) |
Lifting Speed (mm/s) |
50KN |
35KN |
|||||||
H:1/7 |
L:1/28 |
H:1/7 |
L:1/28 |
|||||||
H:1/7 |
L:1/28 |
N.m |
KW |
N.m |
KW |
N.m |
KW |
N.m |
KW |
|
1400 |
33.4 |
8.3 |
19.29 |
2.83 |
7.30 |
1.07 |
13.50 |
1.98 |
5.11 |
0.75 |
900 |
21.4 |
5.4 |
20.69 |
1.95 |
7.49 |
0.71 |
14.48 |
1.36 |
5.24 |
0.49 |
700 |
16.7 |
4.2 |
21.47 |
1.57 |
7.69 |
0.56 |
15.03 |
1.10 |
5.38 |
0.369 |
500 |
11.9 |
3.0 |
22.76 |
1.19 |
7.90 |
0.41 |
15.93 |
0.83 |
5.53 |
0.29 |
300 |
7.1 |
1.8 |
23.71 |
0.74 |
8.62 |
0.27 |
16.60 |
0.52 |
6.04 |
0.19 |
100 |
2.4 |
0.6 |
25.29 |
0.26 |
9.48 |
0.10 |
17.70 |
0.19 |
6.64 |
0.07 |
50 |
1.2 |
0.3 |
26.47 |
0.14 |
10.16 |
0.05 |
18.53 |
0.10 |
7.11 |
0.04 |
Speed (rpm) |
Lifting Speed (mm/s) |
25KN |
10KN |
|||||||
H:1/7 |
L:1/28 |
H:1/7 |
L:1/28 |
|||||||
H:1/7 |
L:1/28 |
N.m |
KW |
N.m |
KW |
N.m |
KW |
N.m |
KW |
|
1400 |
33.4 |
8.3 |
9.64 |
1.414 |
3.648 |
0.535 |
3.858 |
0.566 |
1.459 |
0.214 |
900 |
21.4 |
5.4 |
10.35 |
0.975 |
3.774 |
0.353 |
4.138 |
0.390 |
1.497 |
0.141 |
700 |
16.7 |
4.2 |
10.74 |
0.787 |
3.845 |
0.282 |
4.294 |
0.315 |
1.538 |
0.113 |
500 |
11.9 |
3.0 |
11.38 |
0.596 |
3.952 |
0.207 |
4.552 |
0.238 |
1.581 |
0.083 |
300 |
7.1 |
1.8 |
11.85 |
0.372 |
4.311 |
0.135 |
4.742 |
0.149 |
1.724 |
0.054 |
100 |
2.4 |
0.6 |
12.64 |
0.132 |
4.742 |
0.050 |
5.058 |
0.053 |
1.897 |
0.020 |
50 |
1.2 |
0.3 |
13.23 |
0.069 |
5.081 |
0.027 |
5.293 |
0.028 |
2.032 |
0.011 |
SJB50 Ball Screw Jack Dimensions.
1: Jack Brand
SJB: "SIJIE" brand Ball screw jack
2: Load Capacity
50 : Max. Load capacity is 50KN
Before selecting 50, please check above SJB50 ball screw jack specifications.
3: Screw Configuration & Mounting Orientation
US: Upright translating screw UK: Upright keyed screw UR: Upright rotating screw
IS: Inverted translating screw IK: Inverted keyed screw IR: Inverted rotating screw
Note: US,IS(Screw rotation,do axial motion) UK,IK(Screw anti-rotation,do axial motion) UR,IR(Screw fixed rotation,traveling nut do axial motion)
4: Screw Top End
5: Worm Shaft Input Types
A: left side worm shaft input.
B: right side worm shaft input.
C: double worm shaft input.
M1: left side motor flange direct input.
M2: right side motor flange direct input.
M3: left side motor flange direct input, right side worm shaft input.
M4: right side motor flange direct input, left side worm shaft input.
6: Gear Ratio:
SJB50 ball screw jack gear ratio includes 1/7, 1/28
1/7: Fast speed, 1.43mm travel length per full turn of worm shaft.
1/28: Low speed, 0.36 travel length per full turn of worm shaft.
7: Travel Stroke
8: Accessories
N: Standard Jack, No additional accessories
P: Steel Cover
R: Rubber Bellow
Y: Hand Wheel
Other accessories, please check below picture