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Emmanuel Mair of Container Management looks at the way spreader manufacturers are moving firmly towards the direction of tandem lift operations helping customers reduce downtime and improve productivity.
The trend towards single-hoist tandem headblock systems is one which RAM Spreaders wants to capitalise on. Virtually all cranes delivered within 5–10 years will be single-hoist tandem, Cameron Hay, the company’s chief sales officer, told CM, citing studies by Shanghai Zhenhua Heavy Industries Co (ZPMC) and Shanghai International Port Group (SIPG), which suggest that dual-hoist systems are becoming antiquated.
RAM’s product can fit any standard headblock connection, while the changeover from a single spreader to a tandem spreader is fully automated, taking less than two minutes.read more
Find out what RAM have been up since their last Newsletter back in Feb 2018, from energy efficiency tandem lifting article, the importance of genuine spare parts, customer news and the collaboration of the Groups RAM and PEINER SMAG Sales & Service Support.read more
The talk began by making reference to published technical article by SIPG revealing some design and complexity issues with dual hoist operations and that dual hoist operations consume a high amount of energy, which as a result are not generally in high use. Also discussed was the fact that new terminals are not selecting dual hoist cranes, but instead opting for more economical single hoist dual spreader cranes.
“The industry is clearly moving toward higher TEU ratios and tandem 40 will be the norm. Terminals using SingFlex are achieving greater than 40% of all moves in tandemwith its flexible design.”