庄司歯車エンジニアリング Official site

Load holding without brakes! Winches for machining and processing machines (manual and electric)

Roll up the work, and it self-locks when you release the handle! No need to unlock, you can restart from the stopped position in both forward and reverse! Lightweight and compact with many applications!

This is a compact and lightweight winch equipped with our company's self-locking mechanism (Shoji-Lock). It holds the load at the position where the workpiece is lifted. Additionally, it can be restarted from any position without releasing the brake, whether in forward or reverse rotation. Its lightweight and compact design allows for space-saving, and it has been adopted and well-received in various fields. In addition to the manual-only (SWM series) models, we also offer electric tool drill driver-compatible (SWE series) models. The load capacity ranges from 50 kg to 300 kg. Furthermore, we have some models made of stainless steel suitable for clean rooms, as well as aluminum models that achieve further weight reduction. These winches can be widely used in locations without power, for disaster preparedness, energy-saving measures, and in defense and military applications. Since it is not a ratchet, it operates very quietly, making it suitable for nighttime work and for use in hospitals, research institutes, and laboratories. The stainless steel models are used not only in clean rooms but also in marine and ship-related applications. Additionally, the aluminum models are very convenient for portability due to their lightweight design. They are also adopted in defense and military applications.

Shoji Gear Engineering Co., Ltd. Official Website

basic information

【Lineup】 SWM (Manual Only) Series Available in load capacities of 50kg / 100kg Comes with a dedicated handle Available in all stainless steel Available in all aluminum (50kg only) Long wire winding (L type) available In addition to wire, belt winding type available *Wires and belts are not included, but can be provided (optional) SWE (Electric Tool Assist) Series Uses commercially available electric tool drill drivers (Note: impact drivers are not allowed) to lift the workpiece and holds the load when the driver is stopped in the same way. Restart is possible with no motion (without brake release). The input shaft tip of the winch is hexagonal to accommodate commercially available sockets, and it can of course be used manually. *Dedicated handle is optional Available in load capacities of 50kg / 100kg / 300kg Available in all stainless steel Long wire winding (L type) available In addition to wire, belt winding type available *Wires and belts are not included, but can be provided (optional) For detailed specifications, please refer to the Ipros product information, our company website, or catalog.

Price information

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Delivery Time

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Applications/Examples of results

- Adopted by vacuum equipment manufacturers and cleanroom specification factories - Adopted as equipment by medical device manufacturers - Adopted in food factory lines - Adopted in semiconductor manufacturing lines - Adopted as marine and offshore related equipment - Adopted in university laboratories and various research institutions - Also adopted in the architecture and interior design sectors

Detailed information

Line up(9)

Model number overview
SWM-050-12 Manual only, load capacity 50kg Made of iron (surface treatment black dye) Teflon coating available upon request
SWM-100-12 Manual only, load capacity 100kg Made of iron (surface treatment black dye) Teflon coating available upon request
SWM-100L-12 Manual only, load capacity 100kg Made of iron (surface treatment black dye) Teflon coating available upon request Long type, increased wire winding amount
SWM-100-12SSB Manual only, load capacity 100kg Made of stainless steel, compatible with both wire and belt
SWM-050-12AK7 Manual only, load capacity 50kg Made of aluminum (surface treatment anodized)
SWE-100-64 For manual and electric tool assistance, load capacity 100kg Made of iron (surface treatment black dye) Teflon coating available upon request
SWE-100L-64 For manual and electric tool assistance, load capacity 100kg Made of iron (surface treatment black dye) Teflon coating available upon request Long type / increased wire winding amount
SWE-300-351SS For manual and electric tool assistance, load capacity 300kg Made of stainless steel
SWE-300L-351 For manual and electric tool assistance, load capacity 300kg Made of iron (surface treatment black dye) Teflon coating available upon request Long type / increased wire winding amount

Self-Locking Winch Product Catalog

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Brochure for Parts Procurement in Vietnam and Overseas

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CAD data(7)

Model number overview File
SWM-050-12AK70(54) Manual-only winch Maximum rope pulling force 50 kgf, reduction ratio i = 12 Lightweight aluminum type, drum diameter Φ70 or Φ54
  • 2D dxf ( 2MB)
SWM-050L-12   Manual-only winch Maximum rope pulling force 50 kgf Reduction ratio i = 12 Long bobbin
  • 2D dxf ( 0B)
SWM-100-12 Manual-only winch Maximum rope pulling force 100 kgf Reduction ratio i = 12
  • 2D dxf ( 0B)
SWM-050-12 Manual-only winch Maximum rope pulling force: 50 kgf Reduction ratio i = 12
  • 2D dxf ( 0B)
SWE-300L Manual/Electric Tool Assist Winch Maximum Rope Pulling Force 300 kgf Gear Ratio i = 81, 117, 182, 351 Long Bobbin Hexagonal Tip Specification
  • 2D dxf ( 940KB)
SWE-300 Manual/Electric Tool Assist Winch Maximum Rope Pulling Force 300 kgf Gear Ratio i = 81, 117, 182, 351 Hexagonal Tip Specification
  • 2D dxf ( 0B)
SWE-100 Manual/Electric Tool Assist Winch Maximum Rope Pulling Force: 100 kgf Reduction Ratio: i = 64, 92, 176 Hexagonal Tip Specification
  • 2D dxf ( 0B)

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