Cutting costs in Heat Exchanger Refurbishment: National Engineering AU
Holemaker Technology
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National Engineering Group in Australia refurbish heat exchangers used in Alumina production. The process involves cleaning, machining and preparing tube sheets, and internal baffle plates, each with 1,000s of holes. The process is highly time and labour-intensive and NEG wished to find a way to reduce the time and cost spent per unit. Approaching HMT dealer Sheffield Group for a more efficient solution, NEG were advised to use a VersaDrive® Impact Reamer driven by Impact Wrenches. Tube Sheets – 1,000 holes per sheet Original method: -Ream with non-VersaDrive® rotary driven reamer -Time taken:
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