Faster and more efficient compared to screw jacks. It can be operated quickly and lightly by hand, has a compact design, and can hold loads without the need for a stopper, making it highly safe.
Unlike conventional screw jacks, this rack-type jack features an overwhelmingly fast rise and fall speed due to its high efficiency, making it easy to operate. It is equipped with a unique self-locking mechanism that allows it to hold loads without brakes or stoppers, making it a revolutionary jack. The rated thrust load is 50 kgf, and it can be operated easily by hand. It advances exactly 4 mm per rotation, allowing it to function as a round-number linear jack. With a significant advancement amount, it becomes a highly versatile rack jack and linear actuator. (For more details, please refer to catalog frame number SLM-050-4.0) *For more information, please visit our official website or feel free to contact us.
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basic information
Fixed thrust load of 50 kgf, advance per revolution of 4 mm, input torque of approximately 1.6 Nm at maximum load, manual handle operation force of about 2.4 kg (handle diameter 70 mm), applicable round rack rod φ10, body weight of 0.9 kg (excluding rack). 【Features】 ○ Holds the stopping position of the rack rod. ○ Compact, lightweight, and economical. ○ Excellent strength and durability. ○ High efficiency, can be operated smoothly both manually and electrically. ○ The reduction gear section is maintenance-free and does not require oil changes. 【Other Features】 ○ Input shaft that holds the stopping position without a stopper. ○ Low friction and highly durable micro-tooth differential compound cycloidal mechanism. ○ Simple and robust machined case. ○ Omnidirectional actuator capable of vertical lifting, lowering, and lateral movement. ○ Equipped with Shoji lock, achieving safety, labor-saving, and space-saving. ○ Rack-type lifting shaft that is strong against buckling and does not require a stopping mechanism. ○ Reversible design that can be mounted on either side. ● For more details, please request materials or contact us.
Price information
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Delivery Time
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Applications/Examples of results
Aluminum manufacturing line Control panel cover opening and closing device Chair lifting device University experimental equipment, etc.
Detailed information
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It is a round number linear jack. It moves exactly 4mm per rotation. Due to its compact size, it can be installed in tight spaces. It has many applications, such as simple lifting in places without power supply.
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Includes guide rod in the lineup. Adopted for experimental equipment in a certain university laboratory. If you are concerned about the buckling of the rack rod, we recommend the twin shaft type.
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We accept customization. Adopted by a certain semiconductor manufacturer's factory equipment. We strive to meet your requests as much as possible, including handles and surface treatments.
Line up（2）
| Model number | overview |
|---|---|
| SLM-050-4.0 | Basic model. It raises and lowers with one rack rod. |
| SLM-050T-4.0 | Twin shaft type. We have a lineup with guide rods to withstand buckling loads. |
catalog（2）
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CAD data（1）
| Model number | overview | File |
|---|---|---|
| SLM-050-4.0 | Manual-only rack jack, load capacity 50 kg, rack rise 4.0 mm per rotation, reduction ratio 11, round rack diameter 10 mm. |
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News about this product（1）
Company information
The load-holding function equipped reduction mechanism (shoji-lock) has been developing applied products such as winches and rack jacks since the early 2000s. Steady sales activities have borne fruit, and it has begun to be adopted for various applications. Unlike conventional worm reduction gears with self-locking functions where the input and output shafts are orthogonal, this mechanism has them aligned in a straight line (inline), allowing for a compact design and space-saving, which has received high praise, resulting in a diverse range of practical examples. (Patents have been obtained in Japan, the United States, the EU (Germany, France, the UK), China, South Korea, and Taiwan.) Furthermore, starting in April 2023, we launched a new business for overseas parts procurement, beginning with Vietnam. Currently, a majority of our parts are also procured overseas, and we hope to leverage our achievements and network to assist companies struggling with cost reduction in parts procurement.