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    Process Library · Welding / Joining / Seaming

    Electric / Manual Seam Closer

    Standing-seam finish: electric seamer and/or manual tongs close 90° single and 180° double locks on ~50.8 mm (2″) seams.

    Electric seamer standing seamsingle double lock seamermanual bite tongs

    What this process looks like

    Lock stage is the order spec. “Closed enough” without the single/double board is a fail.

    Product class

    Product class

    Electric seam closerfor already-formed standing seams — finish process.

    Seam height

    Seam height

    50.8 mm (2″)— customer profile to close.

    Lock capability

    Lock capability

    Must sewsingle lock + double lock· board labels:90 Degree single lock·180 Degree double lock.

    Specifications

    Product classElectric seam closerfor already-formed standing seams — finish process.
    Seam height50.8 mm (2″)— customer profile to close.
    Lock capabilityMust sewsingle lock + double lock· board labels:90 Degree single lock·180 Degree double lock.
    Panel family (board)Coverage about12″–24″· 2″ legs · lock returns (11/16″, 13/16″, 9/16″ callouts on the spec sheet) · edge girth note 5 13/16″.
    Clip referenceCustomer’s existing clips photographed on the spec sheet (e.g. stamped MC-230102 family)—for engagement context only; clip roll forming is another process.
    Site stillElectric seamer straddling a standing rib on a roof mock / job still on the order sheet.
    Family typical (other orders)Related packages often list electric ~2.4 kW / 220 V / ≤0.8 mm / 5 roller sets / 180° or 360° wheels + separate 180°/360° manual tongs—label as familyuntil this build’s text confirms.

    Operation steps

    Ready formed seam + board

    Ready formed seam + board

    Hang the customer section. Confirm 2″ / 50.8 mm and lock geometry before any tool touches paint.

    Choose single or double lock

    Choose single or double lock

    Show the two-stage board. Train which pass stops at 90° and which continues to 180° wrap.

    Clip engagement context

    Clip engagement context

    Specification includes the clips the customer already uses. Confirm that the seamer clears the clip and avoids crushing it—clip forming stays on its own page.

    Electric close on the rib

    Electric close on the rib

    Seamer straddles the standing seam and travels. Count passes against the lock recipe. Cord manners and PPE belong in frame on site.

    Manual tongs (when in package)

    Manual tongs (when in package)

    Many packages add 180° / 360° tongs for ends and details. Label the tongs order spec; keep the electric seamer clip distinct from the tongs kit.

    Tightness and face check

    Tightness and face check

    No daylight in the lock; paint face free of jaw bruises. Gate first-off before raising speed.

    What's included

    This line

    Seam closingon already-formed standing seams: electric seamer and/or manual tongs, single and double lock stages matched to seam height and clip clearance.

    Standard build

    Portable standing-seam roll former, slide / floor / KR18 forming hosts, clip roll forming and snap-lock paths each have their own pages.

    Key details

    Note 1

    “Portable standing-seam” often means a portableformer. Closers ride the finished rib. Keep SKUs and clips separate.

    Note 2

    Customer clip stills explain clearance. Making clips is a separate process page.

    Related processes

    Get a configured quote

    Send us your profile sizes, gauge and daily output — we return a sized proposal with lead time.

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