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Strapping refers to the process of securing or bundling items together using a strap or a band. This can be done to prevent items from moving during transportation or to make them easier to handle. Strapping can be done using a variety of materials, including plastic, metal, or composite straps.
Strapping can be applied manually using hand-held tools or automatically using strapping machines. Manual strapping typically involves wrapping a strap around the item or items to be secured and using a tool to tension and fasten the strap. Automatic strapping machines use a motorized system to apply, tension, and fasten the strap.
Strapping is commonly used in a variety of industries, including manufacturing, shipping, and logistics. It can be used to secure packages, pallets, boxes, and other items during transportation, storage, or handling. Strapping is an effective way to protect items from damage and ensure their safe arrival at their destination
The suitability of strapping for a particular application depends on several factors, including the weight and size of the item to be strapped, the mode of transportation, the handling requirements, and the environmental conditions. Here are some general guidelines for selecting the appropriate strapping material:
Steel strapping: Steel strapping is the strongest and most durable strapping material and is suitable for heavy-duty applications, such as securing large, heavy items for long-distance transportation. It is also resistant to high temperatures and weather conditions, making it ideal for outdoor use.
Polyester strapping: Polyester strapping is a strong and flexible material that is suitable for a wide range of applications. It is often used to secure pallets and bundles, as well as to wrap irregularly shaped items. It is also resistant to moisture and ultraviolet (UV) radiation, making it suitable for outdoor use.
Polypropylene strapping: Polypropylene strapping is a lightweight and cost-effective material that is ideal for light to medium-duty applications. It is often used to secure cardboard boxes, cartons, and other lightweight items. It is not as strong as steel or polyester strapping and is not suitable for heavy-duty applications.
Composite strapping: Composite strapping is made from a combination of materials, such as polyester and polypropylene, and is designed to provide a balance between strength and flexibility. It is suitable for a wide range of applications and is often used to secure items with sharp edges or corners.
It's important to consult with a strapping expert or manufacturer to determine the most appropriate strapping material for your specific needs.
There are several strapping techniques that can be used to secure items for transportation, storage, or handling. The most common strapping techniques include:
Linear strapping: This technique involves wrapping the strapping material around the item in a linear pattern and securing it with tension and seals. It is commonly used to secure boxes, cartons, and other rectangular items.
Cross strapping: This technique involves wrapping the strapping material around the item in a cross pattern, creating an X-shape. It is commonly used to secure pallets and large items with irregular shapes.
Vertical strapping: This technique involves wrapping the strapping material around the item vertically, securing it to the bottom of the pallet, and then tensioning and sealing it at the top. It is commonly used to secure tall, stacked items.
Horizontal strapping: This technique involves wrapping the strapping material around the item horizontally, securing it to the side of the pallet, and then tensioning and sealing it on the other side. It is commonly used to secure items that are wider than they are tall.
Corner strapping: This technique involves placing the strapping material over the corners of the item and securing it with tension and seals. It is commonly used to secure items with sharp edges or corners.
The choice of strapping technique will depend on the shape, weight, and fragility of the item being strapped, as well as the mode of transportation and handling requirements. It's important to consult with a strapping expert or manufacturer to determine the most appropriate strapping technique for your specific needs.
The strap can break when packaged goods are strapped due to various reasons, including:
Over-tensioning: If the strap is over-tensioned beyond its breaking point, it can break under the weight of the packaged goods. Over-tensioning can be caused by using incorrect tensioning tools or applying excessive force during the strapping process.
Incorrect strap selection: If the wrong type or size of strap is used for the weight and size of the packaged goods, it can break under the strain of the load. It's important to select the appropriate strap material and size based on the weight and size of the packaged goods.
Poor strap quality: If the strap is of poor quality or has defects, it can break during the strapping process. It's important to purchase straps from a reputable supplier to ensure their quality.
Sharp edges: If the packaged goods have sharp edges or corners, they can cut through the strap during transportation, causing it to break. Using corner protectors can help to prevent this issue.
Environmental factors: If the packaged goods are exposed to extreme temperatures or weather conditions, the strap can weaken and break. It's important to consider the environmental factors during the selection of the appropriate strap material.
To prevent the strap from breaking, it's important to use the correct strapping technique, choose the appropriate strap material and size, and use quality strapping tools and equipment. It's also essential to ensure that the packaged goods are free from sharp edges or corners and are protected from environmental factors that can weaken the strap.
The strapping is closed using various methods, depending on the type of strapping material and the strapping tool used. The most common methods for closing strapping are:
Sealing with metal seals: Metal seals are placed over the overlapped ends of the strapping material and crimped using a manual or pneumatic seal tool. This method is commonly used for steel strapping and some composite strapping.
Heat sealing: Heat sealing involves using a heat sealer to melt the ends of the plastic strapping material together. This method is commonly used for polyester and polypropylene strapping.
Friction welding: Friction welding is a process that uses heat generated by friction to melt the ends of the plastic strapping material together. This method is commonly used for polyester and polypropylene strapping and is often performed using a battery-powered or pneumatic friction weld tool.
Buckle fastening: Buckle fastening involves using a buckle to join the overlapped ends of the strapping material. The buckle is threaded onto the strapping and then tensioned and sealed using a manual or pneumatic tensioner and sealer tool. This method is commonly used for polyester and polypropylene strapping.
The choice of strapping closure method will depend on the type of strapping material and the strapping tool available. It's important to use the appropriate closure method to ensure that the strapping is securely closed and will not come loose during transportation or handling.