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After the issue, a large number of literature retrieval, and this in the middle of Aluminum Copper Co., Ltd. for a period of two weeks of production practice, the subject content has a more in-depth understanding and understanding, to the entire graduation design scheme also has a preliminary idea. Yellow copper strip in the market has a wide range of uses, heat sinks, rivets, housing construction supplies, screws, welding parts, according to the design requirements, the product melting system, rolling system and force can be calculated and the strength of the equipment to meet the requirements of the product delivery status. According to the use of product solutions and products and properties of products made of copper grades H65, raw material size is 170 * 630 * 5100mm, size 1 x 600 x 3000mm, delivery state hard state; and the number is H90, the raw material size is 170 * 630 * 5100mm, size is 0.5 * 200mm (G=1.21t)。
H65 copper was the main component of 65% copper, 0.1% iron, 0.03% lead, 0.2% impurities, and the margin of zinc.
H90 copper was the main component of 90% copper, 0.1% iron, 0.03% lead, 0.3% impurities, and the margin of zinc.
The ratio of raw materials, smelting and casting. By heating smelting furnace of copper in water after holding furnace insulation and the analysis of the composition adjustment, into a horizontal type continuous casting machine casting, cast ingot.
Hot rolled, milling. After stepping out of the billet furnace roller into reversible hot rolling mill, 7 pass rolling billets, thickness from 170mm to 15mm, and then through double roll milling, milling to the upper and lower surfaces of the oxide layer were 2.5mm.
Take cold rolling intermediate annealing, belt rolling method, namely after the rolling of copper billet into cold rolling machine, the pressure of the system to reach a point set after coiling, intermediate annealing to improve the plastic properties of the copper billet with bell type annealing furnace. After the end of the cold rolling, the copper billet thickness can reach product size requirements. 1.0mm and 0.5mm.
Shear straightening and product quality detection. To confirm the product design requirements, to pack storage, waiting for delivery.
The whole design of the product technical requirements can be summed up in one sentence: precise size of the plate, high surface finish and high performance.
In the selection and design of the equipment used, mainly with reference to the Aluminum Copper Co., Ltd. is the production of the equipment, main production equipment and auxiliary equipment: five tons is core power frequency induction furnace, five tons of wire rod type semi continuous casting machine, saw cutting machine, reversible hot rolling machine, roll machine, double surface milling, four roller cold rolling mill, twelve roller mill, bell annealing furnace, horizontal shear machine, thick longitudinal shear machine etc..
The rolling force energy parameters are calculated through the preparation of appropriate VB language, and use CAD to draw the workshop layout diagram, roll chart, making full use of computer in actual production advantages and application. And the frame, motor and auxiliary equipment capacity, etc., the main economic indicators of the workshop to calculate the whole design can be used in real production.
This design mainly expounds the production technology requirements of H65 and H90, and according to the existing production equipment and assembly line design of the product process, and the product production process, the production system, power parameters calculation, equipment strength check, motor check, auxiliary equipment capacity calculation and workshop main economic index calculation, and CAD drawing production workshop layout plan, roll, rolling mill roll force and bending torque diagram.
Key words: brass; product design; process system; production equipment
目录
1 绪论 7
1.1概述 7
1.2国内外铜板带生产现状 7
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