Nippon Gear Maker Standard Screw Jack: Specialist Heavy-Duty Lifting Solution (10kN – 1000kN)

Peak Expertise from a Leading Manufacturer

Developed based on Nippon Gear Maker\’s extensive experience and deep expertise, this Standard Screw Jack series is the ideal solution for all applications involving lifting, lowering, pushing, or positioning heavy loads in industrial environments. The combination of precise engineering and premium materials ensures stable, safe performance and superior longevity.

Outstanding Features & Superior Benefits

1. Massive Load Range & Absolute Safety

Extremely Wide Load Capacity: Ranging from 10kN to 1000kN, meeting most heavy industrial requirements.
Self-Locking Mechanism: Utilizes a high-precision worm gear combined with a trapezoidal lead screw. This mechanism allows the screw jack to safely self-lock at any position in the lifting stroke, eliminating the risk of load slippage and enhancing operational safety.

2. Durable Design & High Precision

Quality Lifting Screw: Made from durable carbon steel (right-hand thread), ensuring high load capacity and stability.
Anti-Rotation Option: Can be equipped with a keyway and anti-rotation key to keep the lifting screw fixed in position during operation.
Smooth Operation & Extended Lifespan: The reduction gear mechanism is lubricated with high-quality standard grease, minimizing friction, maximizing efficiency, and significantly extending the equipment\’s operational life.

3. Flexible Options for Every Application

To optimize performance for your specific environment and requirements, the screw jack can be equipped with various optional accessories:

Protection: Dust-proof bellows (protects the lifting screw)
Operation: Manual hand wheel (for non-motorized applications)
Installation: Trunnion base
Control: Limit Switch (for stroke control), RC Encoder (for high-positioning accuracy)

Why Choose Nippon Gear Maker Standard Screw Jack?

Key Feature	Customer Benefit
Load Capacity (10kN – 1000kN)	Versatile applications, from light to super heavy-duty.
Self-Locking Mechanism	Absolute safety, eliminates the need for auxiliary brakes.
Standard Lubrication	High durability, reduced maintenance costs.
Technical Customization	Solutions perfectly matched to actual requirements.
High Precision	Stable and reliable load positioning.

Standard Technical Specifications Table

Please refer to the detailed technical specification table below to select the most suitable model:

Series/Size	Load Capacity	Lifting Screw Diameter	Screw Pitch	Gear Ratio (H/L)	Max Power (H/L)	Operating Temp.
J0G	10kN	20mm	4mm	5/24	0.75/0.4 kW	$\"-15$
J1G	25kN	25mm	5mm	6/24	1.3/0.5 kW	$\"-15$
J2G	50kN	40mm	8mm	6/24	2.3/1.1 kW	$\"-15$
J3G	100kN	50mm	10mm	8/24	3.1/1.8 kW	$\"-15$
JGA	150kN	55mm	10mm	8/24	2.8 kW	$\"-15$
J4A	200kN	63mm	12mm	8/24	4.0 kW	$\"-15$
J5A	300kN	85mm	16mm	$\"10$	6.5 kW	$\"-15$
J6A	500kN	118mm	16mm	$\"10$	11 kW	$\"-15$
JFA	750kN	132mm	16mm	$\"10$	15 kW	$\"-15$
J7A	1000kN	150mm	20mm	$\"12$	17 kW	$\"-15$

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Nippon Gear_Screw Jack