Electric and Manual Worm Gear Screw Jack, Machine Screw Jack for Lifting System

• After-sales Service: Offered
• Warranty: 13 Months
• Type: Mechanical Jack
• Structure: Screw Jack
• Certification: CE, ISO 9001:2008
• Condition: New
• Model NO.: SJC2.5-SJC1000
• Capacity Load: 500kg-100tons
• Max. Height: 6500mm
• Driven Power: Electric Driven and Manual Operated
• Speed: 0-1800mm/Min
• Screw End Conditions: Top Plate, Clevis End, Plain End, Thread End, Fo
• Jack Accessories: Protective Tube, Dust Cover, Hand Wheel, Coupling
• Transport Package: Strong Export Plywood
• Trademark: SIJIE
• Origin: Guangdong, China
• HS Code: 8428909090
• Production Capacity: 100000/Year

Product Description

SIJIE SJC series cubic worm gear screw jacks provide precise positioning, safely self-locking, high performance, and load capacity up to 100 tons. Single jack or multiple jacks system arrangements are available. Standard configurations include translating screw, rotating screw, keyed screw in upright or inverted mounting orientation.

The unique square groove shell increases the heat dissipation capacity and extended grease life.
Ductile iron improved the strength and performance of the jack housing.
Alloy steel input shafts
ZCuSn10Pb1 tin bronze worm gear
Tapered roller?bearing or ball thrust bearings offer rugged reliability
Machined 7e precision trapezoidal screw with heat treatment
Electric driven( DC motor,AC motor,servo motor,stepper motor) and manual operated available
Anti-backlash devices, safety nut and Anti-rotation available
OEM and ODM jacks can be made according to your need

   

 

Model		SJC2.5	SJC5	SJC10	SJC20	SJC50	SJC80	SJC100	SJC200	SJC300	SJC450	SJC700	SJC1000
Max. Lifting Load ( KN )		2.5	5	10	20	50	80	100	200	300	450	700	1000
Screw Diameter ( mm )		14	18	20	30	40	50	60	80	100	120	140	160
Thread Pitch ( mm )		4	4	4	6	7	8	9	12	16	16	20	20
Gear Ratio	H	1/4	1/4	1/4	1/6	1/7	1/8	1/9	1/8.75	1/10.25	1/10.75	1/13.33	1/13.33
	L	1/16	1/16	1/16	1/24	1/28	1/32	1/32	1/35	1/41	1/43	1/40	1/40
Travel length(mm) per full turn of worm Shaft	H	1	1	1	1	1	1	1.125	1.371	1.56	1.49	1.5	1.5
	L	0.25	0.25	0.25	0.25	0.25	0.25	0.281	0.343	0.39	0.37	0.5	0.5
Starting Efficiency %	H	24	24	25	25	18	17	18	17	18	16	16	15
	L	16	16	16	19	11	10	11	11	12	10	11	10
Working Efficiency % at 1500rpm	H	34	34	35	33	32	31	33	33	33	30	31	29
	L	25	25	25	24	23	22	23	22	23	20	21	19
Max. Permissible power ( KW )	H	0.25	0.30	0.57	1.14	2.2	2.5	3.0	4	7	11.5	18.5	22
	L	0.12	0.15	0.27	0.55	1.1	1.5	2.2	3.5	5.5	5.5	7.5	9.5
Starting torque at full load ( N.m )	H	3.2	4.2	8	18	48.5	75	100	265	460	675	1050	1620
	L	1.5	1.5	3.1	6.7	20	30	41	106	180	275	510	820
No-load Torque ( N.m )	H	0.068	0.11	0.29	0.40	0.84	1.85	2.1	2.8	3.8	5.5	8.5	11
	L	0.05	0.09	0.18	0.29	0.59	1.12	1.4	2.1	3.1	4.5	5.5	7.5
Jack Housing Materials		Aluminum	Aluminum alloy/Nodular cast iron			Nodular cast iron
Weight without stroke ( kg )		1.2	3.2	5	8.5	21.5	36	58	75	110	200	400	800
Weight of screw ( kg ), per 100mm stroke		0.2	0.36	0.50	0.75	1.52	2.44	3.02	4.5	6.8	9.0	12.5	16.5
Remarks: 1: Efficiency is under grease lubrication  2: H: High speed gear ratio  L: Low Speed Gear Ratio

Company Information:
SIJIE Industrial is the leading manufacturer of screw jacks, linear actuators, and lifting systems in China since 2008.

Our factory boasts an area of 9500 square meters and is equipped with a series of advanced processing machines, such as four-axis CNC machines, milling machines, lathes, grinders for effective production. Moreover, our team is highly innovative and dedicated - consisting of 10 technical engineers,55 experienced workers, and 8 sales personnel who have been always ready for customers. Thanks to scientific management, high-quality products, and first-class service, we have won great satisfaction from all our customers.

Our mission is to provide competitive linear motion solutions and continuously create maximum value for our customers.


 

Experienced, skilled staffs

Over 50 highly trained staffs who possess the skills and knowledge to make high quality products. Our aim is for employees to feel engaged with the company, understand the objectives, be creative and have a secure and satisfying working time. 

Package & Shippment

Because we put a value on customer satisfaction and product quality, we make it a point to clean and package products with safety. We tend them first, put them in a white bag, use a foaming agent to prevent a collision, and package it inside a sturdy wooden box. In cases of long screw jacks, we first fix the long screw to avoid bending.