SJC300 Cubic Screw Jack

Product Detail

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

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: trapezoidal screw 

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

12: Precisely positioning, self-locking trapezoidal screw which supports the loads and hold position with no need to employ brake mechanism or other locking systems.

SJC300 Cubic Screw Jack Specifications: 




Maximum Load ( KN )		300	Starting Efficiency ( % )	H	18
Lifting Screw Diam.( mm )		100		L	12
Pitch ( mm )		16	Working Efficiency ( % ) at 1500rpm	H	33
Gear Ratio	H	1/10.25		L	23
	L	1/41	Torque ( N.m ) without load	H	3.8
Permissible Max. Power ( Kw )	H	7		L	3.1
	L	5.5	Housing Material	Spheroidal graphite iron
Max starting torque full load ( N.m )	H	460	Weight without stroke ( Kg )	110
	L	180	Weight per 100mm screw and protective tube( Kg )	6.8







SJC300 Screw Jack Lifting Load( KN )
Speed (rpm)	Lifting Speed (mm/s)		300KN				200KN
			H:1/10.25		L:1/41		H:1/10.25		L:1/41
	H:1/10.25	L:1/41	N.m	KW	N.m	KW	N.m	KW	N.m	KW
1400	37.3	9.3	231.52	33.94	83.04	12.17	154.34	22.63	55.36	8.12
900	24.0	6.0	254.67	24.00	90.95	8.57	169.78	16.00	60.63	5.71
700	18.7	4.7	272.86	20.00	100.53	7.37	181.90	13.33	67.02	1.91
500	13.3	3.3	282.96	14.81	106.11	5.56	188.64	9.88	70.74	3.70
300	8.0	2.0	305.60	9.60	119.37	3.75	203.73	6.40	79.58	2.50
100	2.7	0.7	347.27	3.64	146.92	1.54	231.52	2.42	97.95	1.03
50	1.3	0.3	363.81	1.90	159.17	0.83	242.54	1.27	106.11	0.56
Speed (rpm)	Lifting Speed (mm/s)		150KN				100KN
			H:1/10.25		L:1/41		H:1/10.25		L:1/41
	H:1/10.25	L:1/41	N.m	KW	N.m	KW	N.m	KW	N.m	KW
1400	37.3	9.3	115.76	16.97	41.52	6.09	77.17	11.31	27.68	4.06
900	24.0	6.0	127.33	12.00	45.48	4.29	84.89	8.00	30.32	2.86
700	18.7	4.7	136.43	10.00	50.26	3.68	90.95	6.67	33.51	2.46
500	13.3	3.3	141.48	7.41	53.06	2.78	94.32	4.94	35.37	1.85
300	8.0	2.0	152.80	4.8	59.69	1.88	101.88	3.20	39.79	1.25
100	2.7	0.7	173.64	1.82	73.46	0.77	115.76	1.21	48.97	0.51
50	1.3	0.3	181.90	0.95	79.58	0.42	121.27	0.64	53.06	0.28




SJC300 Cubic Screw Jack Drawings: