生产实践及认识（Production practice and understanding）.docVIP

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生产实践及认识（Production practice and understanding）.doc

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生产实践及认识（Production practice and understanding） Two, production practice and understanding According to the Training Department of the summer master can know, the U.S. refrigerator production models and representation methods: such as BCD-100, B said a household refrigerator, said C D said cold storage, frozen, 100 said the effective volume of the refrigerator (L). The refrigerator can be divided into direct air-cooled refrigerator and refrigerator, freezer products, B refrigerator with foaming door, S refrigerator glass door, according to the cooling capacity of the refrigerator can be divided into four stages, the refrigerator freezing capacity of one to four stars were -6. C, -12. C, -18. C and -24. C. According to reports, the main production process is such a refrigerator: parts, refrigerators, prefabricated boxes, door foam, assembly, inspection, refrigeration, refrigeration, inspection, packaging factory Subsequently, he introduced the classification of the production technology to us, but my notes are not many, simply stated as follows: 1. assembly process, including the process template and panel forming process, plate forming process, pre process, assembly process, packaging process; 2. materials technology, including spraying, foaming process, vacuum molding process and injection molding process; 3. refrigeration technology; 4. electrical technology etc.. (1) the composition of refrigerator and its refrigeration principle Briefly, the compressor consists of five parts: a compressor, a condenser, an evaporator, a drying filter and a capillary. The part of the working principle is quite simple, before the extra-curricular books have seen here briefly will repair shop master introduced about once: according to the control or need to use intermediate can choose to install a pressure controller, temperature controller, drying auxiliary device filter, but four big is essential. When the gaseous refrigerant through the compressor compressed into high temperature