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This paper presents a study to use the metallic three dimensional (3-D) printing technology for antenna implementations up to 325 GHz. Two different printing technologies and materials are used, namely binder jetting/sintering on 316L stainless steel and selective laser melting (SLM) on Cu–15Sn. Phases, microstructure, and surface roughness are investigated on different materials. Balancing between...
In the production process of bar, the control system of cooling bed play an important role in the entire process. This paper introduces a control system of cooling bed consisting of a kind of SIEMENS DC transmission 6RA70 and SIEMENS S7-400PLC.
The aim of this study is to analyse the decreasing adhesion mechanism of polyurethanes prepainted steel sheet for UV ageing to simulate nature environment by means of T-bend, FTIR, SEM, EIS. After 2000 hours of ageing in the UV chamber we observed the adhesion decline of polyurethanes prepainted steel sheet by the T-bend test. Taking into account the characteristic peak position and intensity of FTIR...
Aimed at the feature and crafts condition of continuous casting, this paper combined with the preventing countermeasure of board in some domestic and foreign advanced iron and steel plants, adopted with the model of illegibility nerve network based on subtractive clustering, and studied the formatting reasons of board crack and put up forecasting.
The dynamic model was established with the tool of ADAMS software for Coiler on the 1700 product line of a steel factory and AJC (Automatic Jumping Control) system model of wrapper equipment was built by AMESim software. Then the dynamic co-simulation of hydraulic, control and mechanical system was achieved. Based on the multiphase-match model, the jumping trace of the aid-roll, changing rules on...
The detailed analysis of crack prediction in the continuous casting production at national and abroad has been presented. Based on clustering subtraction of ANFIS fuzzy adaptive network modeling and simulation, the simulation result prove that according to the signs, it can forecast cracks before it appear. Resolved the former equipments error crack examination detection problem, lowered the crack...
Aimed at the feature and crafts condition of continuous casting, this paper combined with the prevent countermeasure of board in some national and foreign advance iron and steel plants, adopt with the model of illegibility nerve network base on subtraction clustering, study the formatting reasons of board crack and put up forecasting.
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