V TYPE ARCH RUBBER FENDER WITH UHMWPE FACE PAD Tug Fender UHMWPE face pads Durable boat fenders inflatable barge rubber fender

V TYPE ARCH RUBBER FENDER WITH UHMWPE FACE PAD Tug Fender UHMWPE face pads Durable boat fenders inflatable barge rubber fender

 Introduction Ultra high molecular weight polyethylene, also known as UHMW PE, is a common applied material in the marine industry for its corrosion proof, low friction, non marking, anti shock, anti abrasion properties. Because of these extraordinary properties, Zalda Technology utilize UHMW PE material in several applications. Our primary application of UHMW PE material is fender system face pads. This literature will focus mainly on this application. We also utilize UHMW PE material for other applications. For example, UHMW PE can sometimes be used as outer shell for plastic pile and lumber products. Contact us should you require further information on special applications. 2. Fendering Applications Stand Alone Fender Pads For small impact applications, UHMW PE sheets can be made into flat pads to be fitted to flat mounting surface, or angled pads to be fitted to pier corners, or even curved pads to be mounted around timber, concrete, or steel piles. PE pads can be fixed to the structure with anchor bolts, through bolts or studs. In these applications, PE pads protects the pier by providing a shock absorbing, slippery surface and by directing impacts towards the directions parallel to the pier. Fender Mounted Face Pads For medium impact applications, smaller rubber fenders, such as rectangular fenders, arch fenders and small element fenders, are fitted with UHMW PE flat pads to form a simple fender system that has the elastic shock absorbing properties of rubber and the low friction / anti abrasion properties of UHMW PE. PE pads are fixed to the fenders with embed nuts or through bolts. Sometimes steel plates are embed in the UHMW PE pads to give it additional structural strength when necessary. Fender Front Panel Mounted Face Pads For larger fender systems with a steel front panel, flat and angled UHMW PE is standard equipment around the world. While fender systems are mostly designed to function by compress the fenders along the fender center / axis, they are not very good at resisting to forces vertical to the fender center / axis resulting from ship motions vertical to the fender center / axis, such as ship berthing process along the pier and vertical - horizontal wave action. The magnitude of these forces is calculated by multiplying the fender reaction forces by the friction factor of the contact surface. Here, UHMW PE pads comes in as a moderate elastic material to take the initial contact shock without marking the ship’s hull, and then serves as a low friction material to reduce the sideway drags and strains on the fender system. UHMW PE flat pads are mounted on flat surface of the fender steel front panels and corner pads are mounted on the edge of the steel front panel to prevent hard contact of the ship’s hull

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