Portable Press Applications

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Price Erecting

Savings due to the change from drilling to punching 15,000 holes was dramatic. The estimated completion time dropped from 10 months of mag drill time to only two months of punching time. And other efficiencies contributed to the greatly reduced project costs.
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Marshall Erdman & Associates

At the heart of Erdman's structural punching line are a pair of 100 ton W.A. Whitney portable hydraulic presses. Beam flanges are punched with a Whitney Model 790X6 Flange Press and webs are punched with the Model 791AX18 Web Press. Roller conveyors feed the beams to the presses which are suspended over the work with overhead cranes. The mobility of the presses coupled with beam movement on the conveyors facilitate quick hole punching, typically allowing for the punching of five to six holes in the time it takes to mag-drill one.
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McFarlane Mfg. Company

McFarlane has incorporated several Whitney portable hydraulic presses ranging from 20 to 100 ton capacities into their fabricating operation. These portable presses are used at many locations within their shop for producing holes in everything from beam flanges and webs to bracing angles and base plates. They commented that they had around a dozen Whitney portables. The larger 90 and 100 ton portables are used in the large structural bay for fabricating wide flange beams and columns.
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Skyline Steel

A jib crane and suspension spring position the presses to the hole locations in the beams. The suspension spring allows the press to be moved easily to pick up layout points. The presses move to the work rather than moving the work to the presses. This reduces material handling and fabricating costs.
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