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Pentalift News Blog

Is hot dip galvanizing expensive?

Hot dip galvanizing is significantly more costly on the front end than a spray galvanized or a painted equipment finish. The increased costs can be associated with the extra handling during the manufacturing process, the shipping costs of the sub-assemblies to and from the galvanizer’s facility and any rework required before final assembly. In some applications hot dip galvanized equipment (although initially more costly) is not considered expensive in relation to the extended structural lifetime of the product. In corrosive or repeated wash down applications hot dip galvanizing is often a worthwhile investment.

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In a Dock Lift Installation what are protective bollards?

Protective bollards serve the same function as loading dock bumpers. When the truck is backed into position bollards or loading dock bumpers stop the incoming truck movement and protect the loading dock equipment from damage. As many dock lifts are installed ahead of the building foundation steel bollards are typically poured into position to keep the truck from impacting the dock lift. Steel bollards are often 6” – 8” in diameter, typically installed approximately 4’ above grade and 4’-6’ below grade cast in concrete, secure enough to take vehicle low speed impact. The bollards are filled with concrete and often rebar is then inserted. The top of the bollards concrete has a slight crown to assist with water run-off.

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What’s new in Hydraulic Lift Tables?

The most significant change is not actually in the lift table design but the new and innovative ways that lift tables are being used. In this competitive environment many companies are constantly looking for ways to improve efficiencies and save money. Lift table manufacturers that provide custom designed lift and positioning equipment are seeing more and more innovative inquiries from customers as they look for ways to streamline their processes. Even long term tried and proven processes are now being looked at with an eye towards how we can make this process even more efficient. The customer knows their end goal and they are calling on custom lift table manufacturers for assistance in applying lift, tilt and rotation practises to many new applications.

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What are the applications and steps for hot dip galvanizing?

Hot dip galvanizing is often specified in highly corrosive or repeated wash down applications. Common applications would be food processing facilities and chemical processing facilities. Preparing for the hot dip galvanizing process the equipment is built, tested then dismantled and sent to the galvanizer in sub-assemblies. The sub-assemblies are first dipped into an acid solution for cleaning, once cleaned dipped into a hot (approximately 850 degree) molten zinc galvanizing solution. The extreme heat of the galvanizing solution and the immersion process ensures that the complete sub assembly receives a protective coating. The sub-assemblies are then returned and the equipment re-assembled, tested and shipped.

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Are Low Profile Dock Lifts always ordered with wear plates and retaining cradles?

Not all Low Profile Dock Lifts are ordered with wear plates and retaining cradles but the majority definitely are. Conventional Dock Lifts have a lower steel frame assembly. This steel frame assembly serves a number of functions, 2 of which are the scissor lift leg rollers run back and forth on this steel frame when cycled and the steel frame has provision for lag bolting the dock lift into position during the installation process. To achieve the low profile dock lift feature one of the components deleted is the lower steel frame assembly. In this case the scissor lifts leg rollers would run back and forth on concrete when the dock lift is cycled eventually causing excessive wear to the concrete and leg rollers and a potentially creating a non-level platform. Wear plates are commonly ordered and lag bolted into position at time of installation and the leg rollers run on this steel surface for prolonged operation. Retaining cradles offer 2 benefits, retaining cradles not only lock the dock lift in position when installed but locking in position also increases the end load capacity by 50%. The only practical application for ordering a low profile dock lift without these optional extras is in a portable application.

Contact a Pentalift Sales Representative for more information.

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