庄司歯車エンジニアリング Official site

Disaster prevention and response, no power required, small rack jack powered by electric tools.

No need for brake stoppers! Self-locks at the stopped position during work elevation! Lighter operation than screw types, faster lifting speed, and space-saving achieved!

This is a compact and lightweight rack-type jack (linear actuator) equipped with our company's self-locking mechanism (Shoji-Lock). It holds the load at the stopped position while raising and lowering the workpiece. Furthermore, it can be restarted from any position without releasing the brake, whether in forward or reverse rotation (up or down). Additionally, its lightweight and compact design allows for space-saving, making it widely adopted and well-received in various fields. Unlike conventional screw jacks, the rack type offers overwhelmingly faster ascent and descent speeds, characterized by its high efficiency and ease of operation. In addition to the manual-only (SLM series) models, there are also electric models (SLE series) that can be driven by power tool drill drivers. The surface comes standard with a black Teflon coating that is resistant to rust. It can be widely used for disaster preparedness, energy-saving measures, and defense/military applications without a power supply. It is also suitable for universities, research institutes, testing facilities, and explosion-proof measures. Recently, more customers are considering it as an alternative to small hydraulic jacks, taking environmental issues into account. It is compatible with commercially available round rack rods (manufactured by KHK). (Rack rods are not included.)

Shoji Gear Engineering Co., Ltd. Official Website

basic information

【Lineup】 SLM (Manual Only) Series Available for load capacities of 50/100/200/400 kg Comes with a dedicated handle Commercially available round rack rods (manufactured by KHK) can be used. (Rack rods are not included) Available in T type with guide rods for buckling prevention, and D type that can connect two units in parallel. SLE (Electric Tool Assist) Series Uses commercially available electric drill drivers (Note: Impact drivers are not allowed) to raise and lower the workpiece. Similarly, it holds the load at the position where the driver is stopped. Restarting is also possible without motion. The input shaft tip is hexagonal to accommodate commercially available sockets, and of course, it can also be used manually. *Dedicated handle is optional. Available for load capacities of 100/200/400 kg. Stainless steel manufacturing is also possible for clean rooms, vacuum devices, and marine applications. For detailed specifications, please refer to the Ipros product information, website, or catalog.

Price information

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Delivery Time

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Model number/Brand name

SLM/SLE Series SLW

Applications/Examples of results

Semiconductor manufacturing line Aluminum manufacturing line Automobile manufacturing line Control panel cover opening and closing device Chair lifting device University experimental equipment, etc. Defense and military-related Chemical plant and facility-related (for explosion-proof measures)

Detailed information

Line up(8)

Model number overview
SLM-050-4.0 Manual use for 50 kg. Size 40 square, rack diameter Φ10, advancement per rotation 4.0 mm.
SLMー100-3.2 100 kg manual use. Size 50 square, rack diameter Φ15, advancement per rotation 3.2 mm.
SLEー100-0.56 100 kg manual/electric tool drive type. Size 50 square, rack diameter Φ15, advance per rotation 0.56 mm. Hexagonal tip.
SLMー200-3.0 200 kg manual use. Size 70 square, rack diameter Φ20, advancement per rotation 3.0 mm.
SLEー200-1.1 200 kg manual/electric tool drive type. Size 70 square, rack diameter Φ20, advance per rotation 1.1 mm. Hexagonal tip.
SLMー400-0.8 400 kg manual use. Size 90 square, rack diameter Φ25, advancement per rotation 0.8 mm.
SLEー400-1.1 400 kg manual/electric tool drive type. Size 90 square, rack diameter Φ25, advance per rotation 1.1 mm. Hexagonal tip.
SLWー100-11.5 100 kg manual high-speed lifting type. Size 90 square, rack diameter Φ20, advancement per rotation 11.5 mm.

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Brochure for Parts Procurement in Vietnam and Overseas

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CAD data(11)

Model number overview File
SLM-050-4.0 Manual-only rack jack, load capacity 50 kg, rack rise 4.0 mm per revolution, reduction ratio 11, round rack diameter 10 mm.
  • 2D dxf ( 0B)
SLW-100-11.5-20 Manual-only rack jack, high-speed lifting type, load capacity 100 kg, rack rise 11.5 mm per rotation, reduction ratio 12, round rack diameter 20 mm.
  • 2D dxf ( 0B)
SLM-100D-3.2 Manual-only rack jack SLM-100 can be used in conjunction with two units, with a load capacity of 200 kg. Rack elevation is 3.2 mm per rotation, with a reduction ratio of 16, and round rack diameter is Φ15. The connection part will be designed and manufactured by the customer.
  • 2D dxf ( 0B)
SLM-200-3.0 Manual-only rack jack, load capacity 200 kg, rack rise 3.0 mm per rotation, reduction ratio 23, round rack diameter 20 mm.
  • 2D dxf ( 0B)
SLM-100-3.2 Manual-only rack jack, load capacity 100 kg, rack rise 3.2 mm per rotation, reduction ratio 16, round rack diameter 15 mm.
  • 2D dxf ( 0B)
SLE-400-1.1 Manual/Electric Tool Assist Rack Jack, Load Capacity 400 kg, Rack Rise 1.1 mm per Revolution, Reduction Ratio 78, Round Rack Diameter 25 mm, Hexagonal Tip Specification.
  • 2D dxf ( 0B)
SLM-400-0.8 Manual-only rack jack, load capacity 400 kg, rack rise 0.8 mm per rotation, reduction ratio 108, round rack diameter 25 mm.
  • 2D dxf ( 0B)
SLE-100-0.56 Manual/Electric Tool Assist Rack Jack, Load Capacity 100 kg, Rack Rise 0.56 mm per Revolution, Reduction Ratio 93, Round Rack Φ15, Hexagonal Tip Specification.
  • 2D dxf ( 0B)
SLE-200-1.1 Manual/Electric Tool Assist Rack Jack, Load Capacity 200 kg, Rack Rise 1.1 mm per Revolution, Reduction Ratio 63, Round Rack Φ20, Hexagonal Tip Specification
  • 2D dxf ( 0B)
SLM-400D-0.8 Manual-only rack jack SLM-400 used in conjunction with two units, load capacity 800 kg, rack elevation 0.8 mm per rotation, reduction ratio 108, round rack diameter 25 mm. The connection part will be designed and manufactured by the customer.
  • 2D dxf ( 0B)
SLM-200D-3.0 Manual-only rack jack SLM-200 used in conjunction with two units, load capacity 400 kg, rack elevation 3.0 mm per rotation, reduction ratio 23, round rack diameter 20 mm. The connection part will be designed and manufactured by the customer.
  • 2D dxf ( 0B)

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