摘 要

隨著科學技術的發(fā)展和社會的日益進步，對機械產(chǎn)品的可靠性和使用性能要求越來越高。高壓容器尤其是核工業(yè)高壓容器，由于其使用場合的特殊性，不僅要求對內(nèi)外表面進行磨削加工，而且對封頭焊縫和堆焊層提出了嚴格的要求。隨著新型磨料砂帶的誕生，傳統(tǒng)的砂帶磨削加工方法朝著精密和超精密的方向發(fā)展，砂帶磨削不僅具有高效、冷態(tài)、低粗糙度等優(yōu)點，而且在脆硬材料表面精密加工中表現(xiàn)出優(yōu)良的磨削性能。
本文正是在這種背景下，從實際出發(fā)，結合數(shù)控技術和PLC邏輯控制技術，通過對核電封頭加工工藝的分析，研制出基于西門子802D數(shù)控系統(tǒng)的數(shù)控核電封頭磨挫機。磨挫機采用新型砂帶磨削，徹底改變采用人工控制拋光核電封頭的效率底、加工效果差的問題，


【關鍵字】：砂帶磨削；核電封頭；SINUMERIK 802D；PLC控制




















ABSTRACT

As the developing of the science technology and the progressing of the social Civilization, people have proposed high capability and reliability for the mechanical product. High-pressure vessel, especially the vessels used for Nuclear Industry, because of their special working situation, not only both the outside and the inside surface have to be ground, but also the welded joint of them should be handled strictly. As the invented of new grinding belt with effective abrasive grains, traditional belt grinding progress has been improved a lot. Now we can obtain a very satisfactory surface texture by belt grinding process. Belt grinding process is a very effective, low Processing temperature, high surface roughness process, which also performance very good in the Brittle material’s finishing operation.
This paper has been done based on this background. Through proceeding from reality and making an analysis of the proceeding process, we designed a numeric controlled belt grinding grinder base on SINUMERIK 802D system. The grinder is use in the vessel’s finishing process. This system integrates Numeric Control Technology and Programmable Logic Controller Technology. The belt grinding grinder, which is using the most advanced belt, has completely changed the low efficient and the low quality of the grinder controlled by workers.


Key words: Belt Grinding；Nuclear Head；SINUMERIK 802D；PLC Controller












目 錄


摘 要 I
ABSTRACT II
1 緒論 1
1.1前言 1
1.2 砂帶磨削技術國內(nèi)外現(xiàn)狀及發(fā)展趨勢 1
1.2.1 砂帶磨削技術簡介 1
1.2.2 砂帶磨削技術國內(nèi)外現(xiàn)狀 3
1.2.3 砂帶磨削的發(fā)展趨勢 4
2 封頭數(shù)控磨挫機機械結構設計 6
2.1 系統(tǒng)組成 6
2.1.1 龍門架主機構成 6
2.1.2 多功能強力磨頭 6
2.1.3 重型回轉(zhuǎn)工作臺 7
2.2 除塵系統(tǒng) 8
3 數(shù)控磨挫機的氣動部分設計 9
3.1 砂帶磨床輔助機構的選型 9
3.2 氣動控制原理圖 9
4 數(shù)控磨銼機PLC電氣部分方案設計 10
4.1 控制系統(tǒng)的選型與介紹 10
4.2 PLC電氣部分的組成 10
4.2.1 SINUMERIK 802D的硬件組成 10
4.2.2 SINUMERIK 802D的軟件組成 11
4.2.3 SINUMERIK 802D的接口和電纜 12
4.2.4 SINUMERIK 802D的電纜連線 14
4.2.5 驅(qū)動系統(tǒng)和伺服電機 15
5磨挫機控制面板設計和工作流程分析 17
5.1 磨挫機控制面板MCP設計 17
5.2 磨挫機的工作流程 19
6 PLC程序設計 21
6.1 PLC的I/O地址分配 21
6.2 PLC程序設計 22
6.2.1子程序調(diào)用簡介 22
6.2.2 PLC主程序梯形圖 25
7 磨挫機的數(shù)控程序設計 30
7.1 加工主程序流程圖 30
7.2 數(shù)控加工編程源程序 31
8 結論 34
致謝 35
參考文獻 36