Design a durable, well‑balanced jib crane for foundry use that meets practical needs and safety requirements.The work outlines how to choose a crane type based on duty, power source, and space. It also walks through setting up a frame with a mast, a jib, a trolley, and a hoisting mechanism designed for reliability and neat appearance in a real foundry setting.
Key features discussed include a three‑point jib support, a load path that keeps the load away from the end of the jib, and a hoisting gear that uses a drum, chain, and multiple sheaves. A safety friction ratchet is described to prevent unintentional lowering, with notes on alignment, release, and practical operation in daily use.
- How to size the crane and position supports for strength and balance
- How the hoisting gear and drum drive the load with controlled speed
- How a safety ratchet system prevents accidental movement and ensures secure operation
- Guidance on calculating limits, clearances, and practical assembly details
Ideal for engineers and students who are planning or studying crane design for industrial settings.