40 ton overhead crane, as you see commonly used in construction site and bridge building project area, is made up of bridge steel structure, mechanism of bridge structure, trolley with lifting unit, control cabin, cable device of trolley and bridge unit. As a popular construction machine, this crane plays an important role in lifting and carrying loads in vertical and horizontal direction.
Want to get an overhead rail crane in the cheapest price? Then, you came to the right place, our manufacturer, crane group is the leading brand in China in heavy machine area. The reason why it dominates overhead crane market for many years lies in two key factors: the first one is quality, quality is the fatal matter for the survival of a company, overhead crane manufacturer is particularly suiting the case. We promise to give your higher quality overhead rail crane in the same price as other crane manufacturer. Secondly, our company gives you the cheapest price, we do not use poor quality steel to reduce cost, instead that we change technology to save cost. In this two ways, we ensure you get a high quality 40 ton overhead crane in the cheapest price.
AQ-NLH 40 Ton Overhead Rail Crane
- Lifting capacity: 5-80t
- Lifting height:6-18m
- Lifting speed: 0.4-5m/min
- Trolley speed:2-20m/min
- Crane speed: 3-30m/min
- Duty: A5
- Customized service
AQ-QDX 40 Ton Overhead Rail Crane
- Lifting capacity: 5-320t
- Lifting height:6-24m
- Lifting speed: 0.2-10.7m/min
- Trolley speed:2.4-33m/min
- Crane speed: 4.2-68m/min
- Duty: A3-A5
- Customized service
Job category of 40 ton overhead rail cranes
After the basic learning of overhead cranes, you may want to learn more about what types of work an overhead crane can do, let’s get to know the job category of crane firstly. According to the rated loads capacity and the busy level of cranes, overhead crane can be divided into light duty class, medium duty class, heavy duty level and extreme heavy duty class crane. The brief details are as following:
Light duty class crane: low speed, less work times, low chance of full loads, the on load factor is 15% and used in occasions where needs not heavy and density transporting, such as cranes for installing and repairing on hydropower station and power plant.
Medium level overhead crane: used in different rated loads transporting, medium speed, not heavy tasks, on-loads factor is 25%, for example, common machine installing plant and assembling plants.
Heavy level crane: heavy duty rated loads, usually work under heavy loads condition, on-loads factor is 40%, like cranes used on metallurgy and casting plants.
Extreme heavy level crane: transporting rated loads often, extremely busy tasks, and the on-loads factor is 60%, for instance, overhead crane especially for metallurgy. All in all, rated loads, running speed and type of job category are the most important factors of overhead rail cranes.
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