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Used in the design of copper to copper appears reddish, formed on the surface of copper oxide film was purple, so industrial copper often referred to pure copper or copper. The fire was 99 - 99.9% copper, electrolytic copper can make the purity of 99.95-99.99%. Density of 8-9g/cm3, melting point 1083 C. Copper conducts electricity well, and was widely used in the manufacture of wire and cable, brush; good heat conductivity, used to manufacture beware of magnetic interference magnetic instruments, instrument, such as compass, aviation instrumentation; good plasticity, easy to hot and cold pressure processing, made into tubes, rods, wire, strip, strip, plate, foil etc. copper.
The design of this design is accomplished using the equipment parameters of the plant, and the machining Handbook of copper and copper alloys, metal pressure machining technology.
The main research of the early stage, the development and application of pure copper strip, and the internal equipment of the aluminum Shanghai Copper Co to visit and understand.
This workshop was designed by two grades is; T2, TU1, characteristics and applicable scope: pure copper is more pure copper, which fully demonstrated the copper metal ductility, electrical conductivity and corrosion resistance, the ductility is an important feature of the copper ornaments. The melting point of copper is high, not easy to cast, and have good ductility make up the the shortcomings. Therefore, it can be easily processed into the shape of a variety of patterns. TU1 main ingredients: Bi:0.001, Sb:0.002, As:0.002, Fe:0.004, Ni:0.002, Pb:0.003, P:0.002, Sn:0.002, S:0.004, O:0.02, Zn:0.003. T2 main ingredients: Sb:0.002, As:0.002, Fe:0.005, Pb:0.005, Bi:0.001, S:0.005.
Determine the smelting process of the product after determining the product used. The design of the new material: the old material =91:9 to the calculation of raw materials. The Cu+Ag loss rate was 1.3%. Calculate the new TU1 and the amount of the old material for 46.085t and 4.558t. T2's new material and the old material for 46.05t and 4.56t. After smelting heat preservation, and then casting. Reheating furnace hot rolling with further continuous reheating furnace. The temperature of the rolling and final rolling was 830 and 565 for the final rolling temperature.
The formulation of the deformation system: hot rolling: 1 total pressure: 170mm-15mm. 2 according to the average elongation coefficient, the total rolling way is determined: 9. 3 determine the amount of road deformation. 4 determine the deformation quantity according to the law. Cold rolling: 1, first milling 2.5mm. 2 determine the number of rolling process. 3 determine the number of cold rolled road. 4. Determine the amount of the deformation of the road.
In terms of the system’s confirmation, it should be calculated in the formulation of the diameter of theroll and therolling speed, which could also add some formulaic neutral angle,forward slipvalue,exports of rolled piecesspeed. Besides, it should cut the head and the tail of the product. The next step is to reach the data of the pure rollingtime based on the length of the rolled piece and the exit speed, whose interval time should be varied from 4 seconds to 6 seconds.
As far as the comprehensive processing rate’s calculation, it should approach σswith the respective gate’s front tension and the back tension. And the annealing furnace would apply the methods of bell type annealing furnace. Eventually, the electricity’s power parameter should be calculated as the rollingpressure, the rolling torque and the drive the total torque. To the point of rollingpressure’s calculation, it would utilize the cerenkov’s research to survey the pressure , energy consumption curve and edit the process by way of VB to reach an outcome.
Equipment strength mainly respectively two high hot rolling mill roll and four high cold rolling mill rolls and motor ability to check.
Assessment of economic indicators are the main yield and the output per hour. Yield in the head and tail trimming cut loss is by 16.9%, process loss is 2%, the burning loss of 1.5. Finally it is concluded the yield rate is 79.6%, which are all belong to the qualified rate of finished product.
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