How Does A Sheet Metal Seamer Work

Hand seamers are handheld tools that help bend or flatten sheet metal to desired shape.

How does a sheet metal seamer work.

There are three types of lap seams. Watch this quick tutorial on how to use the hand seamer duckbill pliers and fluting pliers to straighten out the flanges on an aircraft rib. Several types of seams used to join sheet metal sections are discussed in this section. Commonly used in the hvac industry and for custom fits in sheet metal fabrication they make accurate crisp angle bends creating a finished edge on sheet metal.

A sheet metal worker maneuvers and anchors large sheet metal parts and fasten joints or seams by soldering welding riveting or bolting. This hand seamer produces a permanent tight fitting seam. There are many seamers for different type of material steel and aluminum are the most common of various material thickness depending on the type of can. Folded seams are traditionally used for industrial metal roofing metal pipes and ductwork.

Do i have a power seamer or am i closing the entire roof by hand. The plain lap seam the offset lap seam and the corner lap seam fig. Standard hand seamers have jaws that bend seams to a single width and depth. The crescent wiss straight handle hand seamer is a powerful tool for bending or flattening sheet metal by hand.

They use tools like punches drills hammers and welding equipment to make alterations and ensure equipment is installed safely functionally and correctly. Grooved seam the grooved seam process is similar to the folded seam process. It utilizes an optimal handle span to deliver maximum power from an ergonomic operating range and features non slip cushion grips for superior comfort and control. Some power seamers will require the user to single lock over every concealed clip that is securing the metal to the roof.

To figure the allowance for a lap seam you must first know the diameter of the rivet that you plan to use. It involves connecting two folded edges usually made with a machine which are interlocked and pressure tightened to make the seam. In some cases pieces are fabricated on site then installed and welded interlocked or bolted in place. Seamers are machines that bind the ends lids to the cans using a double or in some cases a triple seam.

Many sheet metal workers specialize in maintenance.