The importance of the ship above of polypropylene filament stereotype cable have?

by:SanTong     2021-02-04
Polypropylene filament yarn of this material is used more widely in the country, for the ordinary in the middle of the cable. Polyester filament than polypropylene filament intensity is high, and very smooth, can effectively prevent wear and shortcomings for weight is large, is not convenient to operate. Polyamide multifilament possess the advantages of polyester filament and strength higher than that of the polypropylene filament, polyester filament. But the price a little high. Polymer polyethylene belongs to high-grade materials, formerly used in body armor, due to its strong tensile strength, is used in the cable industry. Can substitute for wire rope. 1. The function of the ship structure to understand what are the structure and function after reasonable put cable on board, voyage with operating effectively. 2. Function study of sailing boat rope knot, tend to ignore the knot of practice, mostly do not understand the role of the knot. If you don't play to various kinds of knot cannot achieve litre sail, sail, operation include back to the dock lashing and sail boat after finishing, and so on. 3. Distinguish between the material of all kinds of rope and weave methods & have spent   The ship structure according to different purposes, different materials and production methods. Should understand the knowledge, is advantageous for the correct selection and use cable. 4. Cable maintenance & have spent   Cable in use process will be soaked with mud, xi resembles salt, or with other sewage, after back to wash clean with fresh water. All kinds of rope in baling when not in use, hanging on the specified location, Cable is short time can be set on the deck. To pay attention to check the lanyard for broken rope head should be handled in a timely manner. Use a knife to the damaged parts, wire head end with flame burning-out, with strong cord rope head tie is good, the length of the tie don't less than an inch ( 25 mm) Again, good with strong adhesive tape. 5. Familiar with several knots of dozen knot of dozen many, many, dozens, hundreds of; Introduce the knot book also many, many. From a practical point of view, 5 kinds of knot of dozen is must master: single knot, this knot, knot, eight knot and warping. Understand the purpose of the the 5 knots is more important than learning the knot. According to the typical knot, introduce a variety of style, the purpose is determined the basic approaches of learning. Don't grasp the basic techniques of the knot, transform is also hard to do.
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