SJB100 Ball Worm Gear Screw Jack

Product Detail

SJB100 Ball Screw Jack Details information. 

1. Jack Model: SJB100

2. Screw Diam.: 63mm 

3. Lead : 10mm . Custom high lead 

4. Max lifting load: 80KN

5. Dynamic load rating: 71KN

6. Gear Ratio: 1/8, 1/32. Custom other worm gear ratios.

7. Top End: top plate, clevis end, threaded end, plain end , spherical hinge, forked head. 

8: Translating screw, rotating screw, keyed screw configurations in upright or inverted mounting orientation.

9. Power Source: Electric Driven,Manual Operated or Both Are Available

10. Screw Type: Ball screw 

11: Individually or multiple ball screw jack lift system arrangements are available.

12: High speed, high precision, high efficiency, high duty cycle, high performance, high frequency operation, low drive torque, long service life.

SJB100 Ball Screw Jack Specifications:

Maximum Lifting Load ( KN )		80	Starting Efficiency ( % )	H	32
Dynamic Load Rating:		71
Lifting Screw Diam.( mm )		63		L	20
Lead ( mm )		10	Working Efficiency ( % ) at 1500rpm	H	58
Gear Ratio	H	1/8		L	39
	L	1/32	Housing Material	Spheroidal graphite iron
Permissible Max. Power ( Kw )	H	3
	L	2.2
Max starting torque full load ( N.m )	H	49.0	Weight without stroke ( Kg )	62
	L	20.4	Weight per 100mm screw and protective tube( Kg )	3.2




SJB100 Screw Jack Lifting Load( KN )
Speed (rpm)	Lifting Speed (mm/s)		100KN				80KN
			H:1/8		L:1/32		H:1/8		L:1/32
	H:1/8	L:1/32	N.m	KW	N.m	KW	N.m	KW	N.m	KW
1400	29.2	7.3	34.30	5.03	12.75	1.87	27.44	4.02	10.20	1.50
900	18.7	4.7	26.17	3.41	13.09	1.23	28.94	2.73	10.47	0.99
700	14.6	3.6	37.54	2.75	13.44	0.99	30.03	2.20	10.75	0.79
500	10.4	2.6	39.79	2.08	13.82	0.72	31.83	1.67	11.05	0.58
300	6.2	1.6	41.45	1.30	15.07	0.47	33.16	1.04	12.06	0.38
100	2.1	0.5	44.21	0.46	16.58	0.17	35.37	0.37	13.26	0.14
50	1.0	0.3	46.27	0.24	17.76	0.09	37.02	0.19	14.21	0.07
Speed (rpm)	Lifting Speed (mm/s)		50KN				20KN
			H:1/8		L:1/32		H:1/8		L:1/32
	H:1/8	L:1/32	N.m	KW	N.m	KW	N.m	KW	N.m	KW
1400	29.2	7.3	17.15	2.514	6.377	0.935	6.861	1.006	2.551	0.374
900	18.7	4.7	18.09	1.705	6.545	0.617	7.235	0.682	2.618	0.247
700	14.6	3.6	18.77	1.376	6.722	0.493	7.508	0.550	2.689	0.197
500	10.4	2.6	19.90	1.042	6.908	0.362	7.958	0.417	3.763	0.145
300	6.2	1.6	20.72	0.651	7.536	0.237	8.290	0.260	3.015	0.095
100	2.1	0.5	22.11	0.231	8.290	0.087	8.843	0.093	3.316	0.035
50	1.0	0.3	23.13	0.121	8.882	0.047	9.254	0.048	3.553	0.019

SJB100 Ball Screw Jack Dimensions.







1: Jack Brand

SJB: "SIJIE" brand Ball screw jack

2: Load Capacity

100 :  Max. Load capacity is 80KN

Before selecting 100, please check above SJB100 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:                                       

SJB100 machine screw jack gear ratio includes 1/8, 1/32

1/8: Fast speed, 1.25mm travel length per full turn of worm shaft.                 

1/32: Low speed, 0.31 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