Clasiss Worm Gear Screw Jacks, Mechanical Screw Jack, Electric Screw Jacks with Load up to 250 Tons

• After-sales Service: Offered
• Warranty: 13 Months
• Type: Mechanical Jack
• Structure: Screw Jack
• Certification: CE, ISO 9001:2008
• Condition: New
• Model NO.: SJW010-SJW1000
• Capacity Load: 500kg-250 Tons
• Max. Height: 6500mm
• Driven Power: Electric Driven and Manual Operated
• Speed: 0-1800mm/Min
• Transport Package: Strong Export Plywood
• Trademark: SIJIE
• Origin: Guangdong, China
• HS Code: 8428909090
• Production Capacity: 100000/Year

Product Description

The worm gear screw jack is a basic lifting component with the advantages of compact structure, small volume, easy installation, high reliability, and long service life. Single jack or multiple jacks system arrangements are available. Available in ten sizes, these screw jacks' load capacity is from 1 ton to 100 ton as standard, customized 150 tons,200 tons,250 tons.

Alloy steel input shafts
ZQAl9-4 tin bronze worm gears
Tapered roller bearings or ball thrust bearings offer rugged reliability
Double input shafts standard
Translating screw, rotating screw, keyed screw configurations in upright or inverted mounting orientation
Electric driven and manual operated both are available
Protective tube and bellows are available
Anti-backlash devices, safety nut, and Anti-rotation are available
Customized machine screw jacks can be made to your specifications


 

Specifications
Model	SJW-010	SJW-025	SJW-050	SJW-100	SJW-150	SJW-200	SJW-300	SJW-500	SJW-750	SJW-1000
Max. Lifting Load ( KN )	9.8	24.5	49.0	98.0	147	196	294	490	735	980
Outer Diameter Of Screw ( mm )	20	26	40	50	55	65	85	120	130	150
Root Diameter Of Screw ( mm )	14.8	19.7	30.5	38.4	43.4	51.3	67	102	112	127
Thread Pitch ( mm )	4	5	8	10	10	12	16	16	16	20
Gear Ratio ( H )	1/5	1/6	1/6	1/8	1/8	1/8	3/32	3/32	3/32	1/12
Efficiency % ( H )	21	21	22	22	20	20	19	15	13	13
Screw Travel(mm) Per Turn Of Worm Shaft( H )	0.80	0.83	1.33	1.25	1.25	1.50	1.50	1.50	1.50	1.67
Gear Ratio ( L )	1/20	1/24	1/24	1/24	1/24	1/24	1/32	1/32	1/32	1/36
Screw Travel(mm) Per Turn Of Worm Shaft( L )	0.20	0.21	0.33	0.42	0.42	0.50	0.50	0.50	0.5	0.56
Efficiency % ( L )	12	12	14	15	14	13	11	10	9	8
No-Load Torque ( N.m )	0.29	0.62	1.4	2.0	2.6	3.9	9.8	19.6	29.4	39.2
Max. Permissible Input Power ( KW ) ( H )	0.49	1.0	2.0	2.8	3.1	5.0	8.4	13.4	14.4	21.4
Max. Permissible Input Power ( KW ) ( L )	0.36	0.46	0.63	1.4	2.2	3.2	4.6	5.7	7.2	9.4
Permissible Input Torque ( N.m )	19.6	49.0	153.9	292.0	292.0	292.0	735.0	1372.0	1764.0	2450
Max. Load, Required Input Torque ( N.m ) ( H )	6.2	16.1	48.7	90.7	149.0	238.1	400.1	856.0	1380.5	2040.9
Max. Load, Required Input Torque ( N.m ) ( L )	2.9	7.4	20.0	45.3	72.3	124.0	244.0	453.3	761.3	1278.3
Max. Load, Permissible Input Speed( rpm) ( H )	750	600	400	300	200	200	200	150	100	100
Max. Load, Permissible Input Speed( rpm) ( L )	1200	600	300	300	290	250	180	120	90	70
Max. Load, Lifting Screw Output Torque( N.m )	20.1	65.1	201.5	503.6	813.2	1287.7	2531.9	5551.3	8921.8	13878.3
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.