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  1. Home
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  3. 庄司歯車エンジニアリング
  4. New product information: A new modular type of self-locking rack jack has been introduced, featuring a rack movement of 17 mm per one rotation of the input shaft.
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  • Sep 24, 2012
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Sep 24, 2012

New product information: A new modular type of self-locking rack jack has been introduced, featuring a rack movement of 17 mm per one rotation of the input shaft.

庄司歯車エンジニアリング 庄司歯車エンジニアリング
This is the second product that combines a modular type jack with a reducer equipped with a new self-locking mechanism that does not use the conventional self-locking function's worm gear at all. The input shaft torque is light at 1.01 kgm at 100K, and a fast advance of 17 mm per rotation has been achieved. We propose this to customers who want to lift quickly with a small force and aim for space-saving in various factory production lines. Additionally, it is also possible to attach a guide rod (twin shaft type).
SLB-100-17
SLB-100-17
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SLB-100-17.pdf[268805]

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We will provide a collection of case studies: How to use the new self-locking mechanism, Shoji Lock?

This is a reduction device with a new self-locking mechanism (Shoji Lock) that replaces worm gear reducers. It includes a lineup of reduction gears, rack jacks, and winches.

Compared to conventional worm gear reducers, our compact design and high efficiency have received positive feedback. However, we also hear many voices expressing resistance or anxiety towards new products, as well as those who prefer to stick with traditional options. We encourage both those who are hesitant and those who love new things to take a look at our case studies and consider them. Conversely, we welcome valuable suggestions on potential applications as well!

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SLM3000.JPG

Jack 50KN manual/electric rack jack with self-locking function

A jack that can lift a load of 50 kN with a light manual operating force (input shaft torque of approximately 11 Nm). It is an applied product of the new self-locking mechanism (Shoji Lock).

This is a jack developed for component maintenance. It is a manual jack equipped with a high-efficiency self-locking mechanism using spur gears, featuring the Shoji lock. The main body weighs 36 kg and is made of aluminum, designed with a focus on lightweight and manual operability. There are two input shafts (high/low), allowing for easy switching between quickly turning the handle when there is no load and applying force when there is a load, simply by changing the insertion of the handle. It can be widely used in places without power, as well as for disaster preparedness and energy-saving measures. It can also be used electrically.

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Jack, rack type (without screws), manual with self-locking function, 50 kgf.

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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Jack, rack type (without screws), manual self-locking function, 100 kgf.

Faster and more efficient compared to screw jacks. It can be operated quickly and lightly by hand, features a compact design, and can hold loads without the need for a stopper, ensuring excellent safety.

Unlike conventional screw jacks, this rack-type jack features an overwhelmingly fast ascent and descent speed due to its high efficiency, making it easy to operate. It also comes equipped with a unique self-locking mechanism that allows it to hold loads without brakes or stoppers, making it a revolutionary jack. With a rated thrust load of 100 kgf, it can be operated easily by hand, advancing 3.2 mm per rotation, making it a highly versatile rack jack and linear actuator. (For more details, please refer to catalog frame number SLM-100-3.2) *For more information, please visit our official website or feel free to contact us.*

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Jack, rack type (without screws), manual self-locking function, 200 kgf.

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, ensuring excellent safety.

Unlike conventional screw jacks, this rack-type jack features an overwhelmingly fast ascent and descent speed due to its high efficiency, making it easy to operate. It also comes equipped with a unique self-locking mechanism that allows it to hold loads without brakes or stoppers, making it a revolutionary jack. With a rated thrust load of 200 kgf, it can be operated easily by hand, advancing exactly 3 mm per rotation, which allows it to function as a round-number linear jack. Its significant advancement makes it a highly versatile rack jack and linear actuator. (For more details, please refer to catalog frame number SLM-200-3.0.) *For more information, please visit our official website or feel free to contact us.*

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Jack, rack type / no screws used, self-locking electric/manual 100 kg.

Compared to screw jacks, this is a hybrid type that allows for high speed and high efficiency, can be operated with commercially available electric tools, and can also be operated manually by attaching a handle.

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. Therefore, it can be operated quickly with general electric tools (drivers/drills). It also comes equipped with a unique self-locking mechanism, allowing it to hold loads without brakes or stoppers, making it a revolutionary jack. Moreover, it is designed to be lightweight and compact while excelling in strength and durability. Additionally, it employs an omnidirectional actuator that can accommodate upward, downward, and lateral movements. It is also suitable for rack-type electric cylinders. This model has a rated thrust load of 100 kgf. *For more details, please visit the official website or feel free to contact us.*

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Jack, rack type / no screws used, self-locking electric/manual, 200 kg.

It is a hybrid type that can be operated with commercially available electric tools due to its high speed and high efficiency compared to screw jacks, and can also be operated manually by attaching a handle.

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. As a result, it can be operated quickly with common electric tools (drivers/drills). Equipped with a unique self-locking mechanism, this revolutionary jack can hold loads without brakes or stoppers. It is not only strong and durable but also designed to be lightweight and compact. Additionally, it employs an omnidirectional actuator that can accommodate upward, downward, and lateral movements. It is also ideal for rack-type electric cylinders, with a rated thrust load of 200 kgf and a reduction ratio of 63. *For more details, please visit our official website or feel free to contact us.

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Related catalog(1)

Self-Lock Rack Jack Product Catalog

Self-Lock Rack Jack Product Catalog

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Building materials, supplies and fixtures manufacturers
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The non-combustible engineered wood "Moen Gen" catalog has been updated.

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The catalog for the fire-resistant laminated wood "Moen Gen" has been updated as of April 2026. Why doesn't it drip? Why is it resistant to efflorescence? What about reducing life cycle costs? What are the installation methods? We have answered these questions from everyone. In addition to use in semi-outdoor eaves and skeleton ceilings, there are steadily increasing examples of adoption in places where the use of other fire-resistant woods is difficult, such as ceilings in bathroom facilities. "Moen Gen" uses a natural, penetrating type of paint, which retains the scent and texture of the wood, and if minor efflorescence occurs, it can be easily treated unlike urethane coatings. Additionally, since it is laminated wood, disadvantages such as shrinkage and warping are reduced, improving the maintenance of the building. We have also obtained ministerial certification with the coating, eliminating the need for on-site painting and reducing the burden. The basic colors are available in a rich variety of 27 colors that enhance the texture of the wood. *Custom color matching is also possible. 【Features】 ■ Numerous adoption records in eaves and skeleton ceilings ■ Improved maintenance of buildings ■ No dripping and strong against efflorescence ■ 27 color variations to choose from ■ Easy-to-use fire-resistant wood certified with paint

Apr 17, 2026

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Optimal design for different purposes! Types and uses of lighting poles.

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Did you know that there are various types of lighting poles tailored to their use and installation location? Here, we will explain mainly three types: "high ceiling floodlights," "streetlights and road lights," and "architectural exterior lighting." High ceiling floodlights: Used in indoor spaces such as sports facilities and warehouses where high ceilings are necessary, they require durability and strong illumination to reach far distances. Streetlights and road lights: Installed on sidewalks and roads to enhance safety. Streetlights are designed for uniform diffusion, while road lights are designed to make lanes and intersections easily recognizable. Architectural exterior lighting: Used for beautifying the appearance of facilities and buildings while also serving as nighttime security, often featuring highly designed types such as tapered poles. It is important to equip lighting poles with the optimal materials, shapes, and weather resistance according to their use and installation location. Kanda Industrial provides lighting poles suited for these purposes. For more detailed explanations, please visit Kanda Industrial's website through the related link.

Apr 17, 2026

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【Important!】Considerations for Lighting Poles Due to the LED Conversion of Outdoor Lighting

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The benefits of converting outdoor lighting to LED include a significant reduction in power consumption compared to traditional lighting. This contributes to reducing environmental impact and lowering electricity costs, and furthermore, the Ministry of Land, Infrastructure, Transport and Tourism and local governments support the transition to LED through subsidy and grant programs. When switching to LED, it is important to focus not only on the lighting fixtures themselves but also on the supporting lighting poles. If the existing poles are sufficiently durable, it is possible to replace them with LED fixtures at a low cost using conversion adapters. On the other hand, if the poles are aging, it is necessary to update them entirely while considering the landscape and harmony with the surroundings. Factors such as height, tilt, design, weather resistance, and maintenance are crucial in the design phase for new installations. It is recommended that the contractor evaluates the condition of the existing poles while utilizing support programs from the national and local governments to consider the optimal response method. A comprehensive assessment of the quality of light, costs, and maintenance management resulting from the LED conversion will be the key to success. For more detailed explanations, please visit the website of Kando Industry! You can find the continuation through the related links.

Apr 17, 2026

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Metalworking Cutting - Profound Cutting Techniques -

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Metal cutting is not only about separating materials but is also a crucial process that affects product quality and cost. This article introduces the main methods. 1. Laser cutting: Non-contact, high precision, capable of handling complex shapes and thin to medium-thick plates, achieving smooth cross-sections. 2. Plasma cutting: Can process thick plates at high speeds and is cost-effective, though the cross-section is somewhat rough. 3. Mechanical cutting: Strong in cutting large and extremely thick materials or mass cutting using band saws and shearing. 4. Water jet cutting: Zero thermal impact, suitable for hard materials and precision parts. It emphasizes that the skills of experienced craftsmen who can discern metal properties, fine-tune conditions, and minimize distortion are essential. High-quality cutting directly leads to reduced assembly labor, automation of subsequent processes, reduced defects, and improved reliability, making the selection of a trustworthy contractor key. Kanda Industrial concludes by proposing the optimal cutting methods based on their extensive experience and technology. For more detailed explanations, visit Kanda Industrial's website! You can find the continuation through the related links.

Apr 17, 2026

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Painting of lighting poles: Key points for balancing beauty and durability.

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Outdoor lighting poles require a paint that combines aesthetics and durability. There are four important points to consider: 1. **Proper Paint Selection** Polyurethane and epoxy paints, which are excellent in weather resistance and corrosion resistance, are recommended to maintain aesthetics over the long term in outdoor environments. 2. **Importance of Surface Treatment** It is essential to thoroughly remove rust, old paint, and dirt. By preparing the substrate meticulously through sandblasting or chemical treatment, the adhesion and lifespan of the paint are improved. 3. **Management of Construction Environment** Weather conditions such as temperature, humidity, and wind speed affect the drying and curing of the paint. Proper management of these factors and conducting the work in a well-ventilated area can prevent unevenness and deterioration of quality. 4. **Regular Maintenance** Regularly inspect the condition of the paint film, and promptly repair any cracks, peeling, or rust found. This allows for the extension of the pole's lifespan and the maintenance of its appearance. **Summary:** The painting of lighting poles is a systematic process involving "paint selection" → "substrate preparation" → "proper application" → "regular repairs," which balances beauty and durability, preserving the landscape value of public roads and facilities for a long time. For more detailed explanations, visit the website of Kando Industry! You can find more in the related links.

Apr 17, 2026

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