??????? ?????? ?????????? ? ??????? ??????? ??????? ??????? ????? ?????????? ?????
Електронний архів Житомирського державного технологічного університету
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| Title |
??????? ?????? ?????????? ? ??????? ??????? ??????? ??????? ????? ?????????? ?????
The solution of the reliability problem in the repair process of the plates of the silica bricks press boxes |
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| Creator |
??????, ?.?.
Nochvai, V.?. |
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| Subject |
?????????? ??????;
????????? ?????????? ????????? ?? ??????? ?????? ?????? ??????????? ?????? machine part reliability reliability indicators mean time between failures repair of machine parts reconditioning of machine parts |
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| Description |
?????????????? ?????? ? ?????? ???????????? ???????? ?????????? ???????????? ??? ?????? ??????? ????????? ?? ??????????? ???????????? ??????? ?????. ?? ??? ???????????: ????? ??????????????? ???????????, ??????-????????? ???????, ??????????????? ???????????, ??????????????? ? ?????????? ?????????, ?????????????? ???????????. ? ?????????? ?????????? ??????????? ??????? ????????? ??????? ??????? ????? ?????????? ?????, ???????????, ?? ???????? ?????????????? ???????????? ? ??????? ????????????? ???? ??????????? ? ????? 0,3...2 ??. ??????? ?????????? ?? ??????????? ?????????? ??????? ??????? ?????????????. ????? ? ???????? ????????????? ??????, ?? ????? ?????????? ?????????? ???????, ??????????? ????????? ??????? ???????? ?????????? ??????????, ? ???? ??????? ?????????????? ???????????. ??? ???????? ???????????? ????????? ? ???????? ????????????? ??????????? ????? ?????: ??-65?, ???-2, ??-?13?, ??-40?13. ????????????? ?????? ??????? ??????? ??????????? ? ????????? ???????? ????????: ?????????? ???????, ?????????? ?????, ????????? ???????? ?? ????????, ??????? ??????? ???????????, ???????? ????????. ???????? ?? ?????????? ????????? ?????????? ????????? ?????? ?????????? ??????????? ?????? ??????? ? ????????? ???? ?????????? (?????????, ??????, ?????????). ???????? ???????????? ????????? ?????????? ???????? ?? ???????? 0,10. ???? ?????????? ???????? ????????? ?? ??????? ?????????? ?????? ??? ????????? ???????? ? ????????????? ????? ??-40?13 ? ??????????? ??????? ???? ?????????? ???????? ??, ??? ???????? 104,83 ???. ??? ????? ?????? ?????? ?????????? ??????????? ?????????? ????????? ?????????? ??????????? ???????? ??????? ????? ?????????? ?????. ?????????? ?????????? ?? ???????? 0,995 ? ???????????? ????????? ??? ????? ??????????? ? ?????????????? ? ??????????????????. ?????????? ?????????? ???????????? ??? ???????? 0,974 ? ???????? ????? ???????????? ?????????? ???????, ???? ?? ???????? ??????? ???? ? ??????? ?????????? ?????????? ??????????????, ??????? ? ???????? ??????. Technological method is chosen as the method of the plate reliability enhancement and maintaining. One of the main technological stages of reliability formation is machine parts strengthening using the methods of strengthening technologies, namely electric arc metallization. Wire models ??-65?, ???-2, ??-40?13 are used to develop wear-resistant coatings with desired properties. Technological process of the plates repair consists of the following basic operations: plate preparation, wire preparation, plate coating, plate grinding, final checking. Single and complex reliability indicators are determined by testing a set of the plates and registering all the indicators (operating time, failures, faults). The value of the economic reliability index of the plate K?equals to 0,10. Higher plate reliability is achieved at the expense of extra cost for plate strengthening using wire ??-40?13, and the price of B? plate reliability is 104,83 UAH. Complex indicators of reliability of the reconditioned plate of the silica bricks press boxes are used for more complete reliability assessment. Availability coefficient K?. equals to 0,995 and characterizes two different properties simultaneously: reliability and maintainability. Coefficient of technical use K?.?. equals to 0,974 and most fully characterizes the reliability of the plates because it considers time in the process of maintenance, repair and failure restoration. |
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| Date |
2017-06-29T07:19:27Z
2017-06-29T07:19:27Z 2017 |
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| Type |
Article
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| Identifier |
http://eztuir.ztu.edu.ua/123456789/6968
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| Language |
uk
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| Relation |
?????? ????. ????? : ???????? ?????;1(79)
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| Publisher |
????
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