Middle trough for chain plate conveyor and its manufacture
A technology of conveyors and chain plates, applied in conveyors, transportation and packaging, etc., can solve the problems of high manufacturing cost, short service life, and poor wear resistance of the middle groove
Inactive Publication Date: 2003-08-27
华蓥山矿务局
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Problems solved by technology
This kind of middle groove has poor wear resistance, short service life, heavy quality and high manufacturing cost
Method used
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[0023] 36kg of caprolactam monomer is in a closed container, heated to 69°C under normal pressure to be molten, continue to heat to 140°C, vacuumize at 1.333kpa for 15 minutes, add 4Og of solid sodium hydroxide, 1.8kg of red phosphorus, 1.8 kgMgO, 14g carbon black, stir evenly, evacuate for 30 minutes at a vacuum degree of 1.333kpa, add 370ml of triphenylmethane triisocyanate, mix it evenly as soon as possible, cast it into the inner wall within 1 minute, coat it with silicone oil and heat to In a mold at 170°C, keep warm in an oven for 20 minutes. After polymerization, take it out from the mold to obtain the required middle groove.
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The middle trough of the present invention features that all parts are made of engineering plastics and produced through single-body casting process. Compared with available middle trough of welded metal material, the present invention has the advantages of high abrasion resistance, high erosion resistance, one time longer service life, 75% reduced weight and 5-20% reduced production cost.
Description
technical field [0001] The invention belongs to the technical field of transportation devices, more precisely, relates to a middle groove member for connecting the head and the tail of a chain-plate conveyor used for mining and transportation. Background technique [0002] The middle groove of the chain plate conveyor currently in use is formed by welding the metal parts cut according to the design requirements. This type of middle groove has poor wear resistance, short service life, heavy quality and high manufacturing cost. Contents of the invention [0003] The purpose of the present invention is to overcome the disadvantages of the prior art, and provide a wear-resistant, light-weight, high-strength, long-service middle groove component and a preparation method thereof. [0004] The main technical solution to realize the object of the present invention: add catalyst and related additives to the engineering plastics which are easy to cast, and adopt the monomer casting...
Claims
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Inventor 周邦远
Owner 华蓥山矿务局