5 Tonne Mine Winch Specifications
The figures below describe typical industry specifications for this class of equipment rather than a single fixed model. Use them to scope a requirement, then confirm exact figures against the supplied unit before purchase.
| Specification | Typical value |
|---|---|
| Rated line pull (first layer) | 5,000 kg (5 tonnes) |
| Wire rope diameter | 16–20 mm, 6×36 IWRC |
| Drum rope capacity | 150–400 m |
| Line speed | 15–45 m/min depending on drive |
| Motor rating | 7.5–15 kW, often VFD driven |
| Power supply | 400 V 3-phase 50 Hz |
| Braking | Dual independent: service disc plus fail-safe emergency |
| Drum configuration | Single or double drum |
| Overwind protection | Limit switches plus mechanical overwind device |
| Depth indication | Mechanical or encoder-driven |
| Machine mass | 900–2,500 kg |
| Inspection regime | Statutory periodic examination as permanent hoisting plant |
What a 5 Tonne Mine Winch Is Used For
- Production ore hoisting on shafts 120–300 m
- Skip and kibble haulage
- Shaft sinking and development
- Material and equipment handling underground
- Emergency egress systems where certified for personnel
Maintenance Schedule
Most premature failures in this equipment class trace back to a missed routine check rather than a design fault. The intervals below are a practical starting schedule; adjust them to your duty cycle and the manufacturer manual.
| Interval | Task |
|---|---|
| Every shift | Rope and attachment inspection; test both braking systems independently; confirm overwind trips. |
| Weekly | Full-length rope lubrication; sheave groove wear gauge check; drum lagging inspection. |
| Monthly | Gearbox oil sample; bearing temperature and vibration survey; brake response time measurement. |
| Six-monthly | Non-destructive testing of rope by magnetic rope testing (MRT) where available. |
| Annually | Statutory examination by a competent person, full load test and certification of the complete hoisting installation. |
Frequently Asked Questions
Does a 5 ton mine winch need statutory inspection in Tanzania?
Permanent hoisting installations fall under occupational safety regulation and require periodic examination by a competent person, with records retained. Requirements are enforced by the Mining Commission and OSHA Tanzania, and specifics depend on whether the installation carries personnel. Confirm the current obligations for your licence type before commissioning.
Why do 5 tonne winches need two braking systems?
Because a single brake failure on a loaded shaft hoist is unsurvivable for anything below. Convention is a service brake used for normal stopping plus an independent fail-safe emergency brake that applies on power loss, overspeed or overwind, each independently capable of holding the full load.
Single drum or double drum?
Single drum is simpler and cheaper and suits a single conveyance with a counterweight or none. Double drum allows two conveyances in balance, roughly halving energy per tonne hoisted and doubling cycle throughput, at higher capital cost and more complex control. Below about 150 m and 100 t/day, single drum usually wins.
What rope safety factor applies to a 5 ton mine winch?
Goods hoisting is commonly designed to 5:1 minimum against rope minimum breaking load. Personnel hoisting requires substantially higher, typically 8:1 or more, with the exact figure set by the applicable mining regulation. Rope must then be discarded on ISO 4309 criteria regardless of remaining calculated margin.
Supply and Delivery Across Tanzania
Bart Mining supplies 5 tonne mine winch and related equipment to mining operations throughout Tanzania, with primary coverage of the Lake Victoria Goldfields (Mwanza, Kahama, Geita, Shinyanga and Bukombe), alongside the Lupa Goldfields around Chunya and Mbeya, and delivery nationwide from Dar es Salaam.
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