SED-550FQ-A — L-Bar Sealing and Cutting Machine
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SED-550FQ-A automatic L-bar / side sealer for in-line shrink wrapping. Uses centre-fold film and seals the other three sides with constant-temperature heating (seals PE, POF and other standard heat-seal films). Photoelec
Funktionsweise
Product is conveyed by PU belt (Linbang motor) into the sealing zone; Omron photoelectric sensor detects product arrival. Centre-fold film is advanced by a Linbang film-feed motor + Omron inductive switch (controls film length) to cover the product. Airtac cylinder drives the horizontal seal blade (570 mm) vertically down; Teflon-coated alloy blade heated by stainless-steel heater tube + Xinpu temperature controller (0–400°C) heat-seals and cuts all three open sides (fourth side is the fold). Waste film is rewound by Linbang rewind motor + Omron inductive switch (timed). A multi-position perforator simultaneously punches holes to allow air escape during downstream shrinkage. Packaged products are conveyed to the downstream internal-circulation shrink tunnel (e.g. SED-5535RS-A).