シュリンクマシンは手動式です, 半自動および自動品種. マニュアル (ハンドヘルド) models require the operator to pull film around each product and heat it with a gun. Semi-automatic combo units (L-bar sealers with shrink tunnels) allow an operator to place items and then the machine seals and shrinks them. Fully automatic machines use conveyors and robotics to feed, seal and heat-shrink dozens of items per minute. Many packaging operations—especially those for global buyers and industrial users—prefer heavy-duty, industrial-grade shrink wrapping equipment built for continuous, 高速生産. Industry suppliers note that modern systems range from compact L-bar sealers for small batches to high-speed automatic wrappers for mass production, all designed for stable output and consistent quality.
FS-590 自動熱収縮包装機
How Shrink Wrapping Machines Work (Working Principle)
シーリング: 商品をフィルムで包みましたら, 機械は ヒートシール機構 パッケージを閉じるには. L字型シールバー (コンボマシンによくある) または連続シーラーでフィルムの端を加熱して接着します. これには衝動が伴う可能性があります (電気) heater or heated wire that fuses the plastic. Cutting elements trim any excess film, creating a neat sealed pouch.
Heat Shrinking:The sealed product is then conveyed (manually or automatically) into a shrink tunnel or placed under a heat gun. Inside a tunnel—a heated chamber with controlled airflow—the film is exposed to hot air (typically 160–220 °C). The heat causes the polymer chains in the film to relax and pull the film tight against the product. As one guide explains: “the heat causes the film to soften and conform closely to the product, creating a snug wrap”. By adjusting tunnel temperature and conveyor speed for the film type, modern machines ensure even, uniform shrinkage.
冷却:After heating, the package passes into a cooling zone (sometimes just ambient air or fans). 冷却するとフィルムの新しい形状が固まります, 製品の周りにしっかりとフィットするように固定する. 適切に冷却すると、フィルムが硬化するときにシワが寄ったり伸びたりするのを防ぎます。. 最終的な結果は明らかです, アイテムをしっかりと保持し、箱詰めやパレタイジングの準備が整った滑らかなパッケージ.
Shrink wrapping machines come in several configurations to suit different production needs:
マニュアル (Handheld) Shrink Wrap Systems:These are simple units or guns where an operator manually wraps each item. They usually include a heat shrink gun and a small dispensing frame. The user pulls the film around the item, seals it with a heat wire or bar, then applies the heat gun. While low-cost and flexible, manual systems are best for low-volume tasks, trade shows or repair shops.
Semi-Automatic L-Bar Sealers:A common type of shrink wrapper for small- to mid-volume production. The operator places the product on a table under an L-shaped sealing bar, which then closes to seal and trim the film around the item. The wrapped item is then transferred (often manually) into a separate shrink tunnel. さまざまな製品形状に対応する多用途のLバーシーラーマシンです。; 折り込みシュリンクフィルムを使用して、三方をシールした「袋」を形成します。.
シュリンク バンドラーとシュリンク トンネルのみ: セットアップによっては、ラッピングと収縮のステップが完全に分離される場合があります。. A shrink bundling machine forms a film bag around a group of products (like multiple cans or bottles). Then an independent shrink tunnel (stainless-steel chamber with adjustable heat and airflow) performs the shrinking. Bundlers are useful for repetitive, uniform loads (例えば. bundling beverages or packs).
Specialized Machines:There are also equipment like shrink chambers (table-top units with hood), or integrated shrink wrap bag sealers that combine an L-bar sealer with a small built-in oven.For example, a “shrink chamber” uses a hinged hood over a film rack and L-bar, ideal for small runs or delicate items. These are lower-cost alternatives for modest throughput.
Each type is essentially a form of shrink wrap equipment, and all share the working principle of sealing film then heat-shrinking it. When choosing a machine, 生産量などの要因, 商品のサイズ・形状, 完全自動化が必要かどうか. 例えば, labemachine.com ではマシンの設定を調整することをお勧めします (温度, シールのタイミング) 異なる機種を使用する場合にフィルムと製品のサイズを一致させるため.
製品を包んで密封します:Place the product in the correct position on the machine (or on the conveyor). If using a manual L-bar sealer, put the product inside the open film “bag” and pull the film ends around it. Activate the sealing bar (often by pressing a switch or pedal). The heat-sealing bar will clamp over the film edges, fuse them, そして (in combo machines) cut off excess film. This forms a sealed plastic pouch around the item.
Initiate Shrinking:As soon as the bag is sealed, send it into the shrink tunnel. In semi-auto machines, you or the conveyor push it in; in full-auto, the machine feeds it automatically. Inside the tunnel, hot air is applied, and the film will immediately start to contract. You should hear the film tighten around the item. It usually only takes a few seconds per package in the tunnel.
いくつかの種類があります:
• 手動シュリンクラップ機 - 手による供給とヒートガンが必要. • Semi-automatic shrink packaging machines — use L-bar sealers with shrink tunnels. • Automatic shrink wrap machines — fully automated lines for high-speed industrial production. Each type suits different production volumes and operational needs.
What shrink film should be used with a shrink wrap machine?
Shrink films are usually made from PVC, polyolefin (POF), またはポリエチレン. Polyolefin films are common in industrial packaging due to strength and clarity. The choice depends on product size, 形, and performance requirements (例えば。, puncture resistance, environmental conditions).
What products can be shrink wrapped?
Shrink wrap is versatile. It can be used for food products, beverage bottles, エレクトロニクス, cosmetic items, と医薬品. It protects products from moisture, ほこり, and tampering while improving shelf presentation.
What are the main benefits of using shrink wrap equipment?
Shrink wrapping offers: • Tight, protective packaging
• 不正開封防止シール • Improved product visibility • Space-saving and transport efficiency Durable protection against environmental factors such as dust and moisture.
How do I choose the right shrink wrapping machine?
考慮する: • Production speed and capacity • Product dimensions and orientation • Level of automation needed (マニュアル, セミオート, 全自動) • Shrink film compatibility These factors help ensure the machine meets your specific packaging needs.
Is shrink wrapping difficult?
Shrink wrapping is simple with practice and the right equipment. Automatic shrink wrap machines reduce manual work and help achieve consistent results, 一方、手動または半自動システムでは、より多くのオペレータの操作と技術が必要になります。.
