D. T. PetersCopper Development Association Inc.Hilton Head Island, SCJ. G. CowieCopper Development Association Inc.New York, NYE. F. Brush, Jr.Copper Development Association Inc.Weston, MAS. P. MidsonCopper Development Association Inc.Denver, CO Presented by: North American Die Casitng Association Abstract Little use has been made of pressure die casting for the manufacture of copper or copper alloy parts
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고효율 유도 전동기 설계 다이캐스팅 구리 로터 Francesco Parasiliti, Marco VillaniDepartment ofElectric Engineering, University ofL’Aquila, 67040 L’Aquila, Italy Abstract The paper deals with the use of copper cage in three-phase low voltage induction motors and gives a design guideline to optimize their efficiency, according to the new European classification scheme. An accurate motor design allows
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Porosity Control in Copper Rotor Die CastingsE. F. Brush, Jr., S. P. Midson, W. G. Walkington, D. T. Peters and J. G. Cowie Abstract This paper reports on the results of an investigation to minimize and control the distributionof porosity in edge-gated copper rotor die castings. A Flow 3-D computer modelingexercise was used to simulate
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Ya’nan Wu1, a, Guojie Huang1, b, Lei Cheng1,c, Daniel Liang2,d, Wei Xiao1,e1State Key Laboratory of Nonferrous Metals and Processes, General Research Institute forNonferrous Metals, Beijing 100088, China2Motor System,International Copper Association Asia, Tian Zuo International Center,Beijing 100081, Chinaaynwu19@163.com, bhuangguojie@grinm.com, cchenglei@grinm.com,dDaniel.liang@copperalliance.asia, ewxiao@ustb.edu.cn Keywords: Numerical Simulation, Copper Rotors, FLOW-3D, Die Casting. Abstract The parametric optimization of process parameter
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As is well known, high-pressure die casting is the most economical process for producing a wide variety of complex parts, as it can achieve high production rates, final shape through the small amount of processing required, excellent surface finish and properties suitable for various applications. This advantage is very important for producing squirrel cage rotor
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Started mass production of Hyosung Heavy Industries’ COPPER ROTOR (Copper rotor) From May 2019, the company started producing copper rotors and supplying them to Hyosung Heavy Industries. It is a rotor used for premium class (IE3) motors, and Castman is the only company in Korea to have production technology and production results. 효율등급 두 단계
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CASTMAN always considers how we can do better in every way. Innovation is the standard we work with as we develop advanced tools and technologies to advance the industry. This offers several important benefits. Products can be further improved while shortening lead times and reducing costs.We have the technology to develop and deliver higher strength
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COPPER ROTOR General cpmpany examples #1 General cpmpany examples #2 General cpmpany examples #3 CASTMAN’s Copper Rotor #1 CASTMAN’s Copper Rotor #2 CASTMAN’s Copper Rotor #3 Comparison of motor characteristic DESCRIPTION ALUMINUM ROTOR MOTOR COPPER ROTOR MOTOR COMPARISON OFSAME POWER(AL->CU) EFFICIENCY (%) Same Efficiency Same Efficiency TORQUE (N·M) 4~5 60% higher than Aluminum CONDUCTIVITY (%IACS)
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Super Premium Efficiency (IE4) Achieved!! – Characteristics test of 3-phase induction motor using copper rotors die-cast by Castman– Certification Agency : Gyeongnam Technopark Advantage of using copper die-cast rotors Downsizing of motors Application of IE3, IE4 rotors in IE2 rotor-based motor frames Low heating due to operation : Reduction of electrical resistance due to relatively
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