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鹽城工學(xué)院本科生畢業(yè)設(shè)計(jì)說(shuō)明書 2011
微型雕刻機(jī)總體及數(shù)控系統(tǒng)選用設(shè)計(jì)
摘要： 隨著微電子技術(shù)和微型計(jì)算機(jī)的飛速發(fā)展，微型雕刻機(jī)的應(yīng)用越來(lái)越廣泛。機(jī)電一體化廣泛地綜合了機(jī)械、微電子、自動(dòng)控制、信息、傳感測(cè)試、電力電子、接口、信號(hào)變換和軟件編程等技術(shù)，并將這些技術(shù)有機(jī)的結(jié)合成一體，它是當(dāng)今世界機(jī)械工業(yè)技術(shù)和產(chǎn)品發(fā)展的主要趨勢(shì)。
本文調(diào)查研究了雕刻機(jī)的發(fā)展，介紹臺(tái)式數(shù)控龍門雕刻機(jī)X的設(shè)計(jì)過(guò)程，包括機(jī)床總體方案設(shè)計(jì)、主傳動(dòng)系統(tǒng)設(shè)計(jì)和X向進(jìn)給傳動(dòng)系統(tǒng)的機(jī)械結(jié)構(gòu)設(shè)計(jì)。X向進(jìn)給傳動(dòng)系統(tǒng)中主要分析了絲杠的安裝，以及相關(guān)固定和支承。計(jì)算主要有兩個(gè)方面：對(duì)滾珠絲杠和X軸電機(jī)的選擇計(jì)算和校核。此外，我還進(jìn)行了數(shù)控系統(tǒng)的選擇，數(shù)控系統(tǒng)是機(jī)床自動(dòng)化的重要組成部分,其性能直接影響到加工的精度、效率及生產(chǎn)企業(yè)的效益。本文詳細(xì)介紹了數(shù)控系統(tǒng)及驅(qū)動(dòng)單元的原理及其優(yōu)缺點(diǎn),如何選擇性價(jià)比最好、最合適的數(shù)控系統(tǒng)及驅(qū)動(dòng)單元。
本課題是在參考現(xiàn)有雕刻機(jī)的基礎(chǔ)上，設(shè)計(jì)一種機(jī)構(gòu)尺寸比較簡(jiǎn)單的數(shù)控雕刻機(jī)，適用性比較大的工藝品的雕刻加工。
關(guān)鍵字：雕刻機(jī)，數(shù)控系統(tǒng)，機(jī)電一體化，X軸，插補(bǔ)法
鹽城工學(xué)院本科生畢業(yè)設(shè)計(jì)說(shuō)明書 2011
Miniature engraving machine overall and selection design of CNC system
Abstract：Along with the development of micro-electronics technology and microcomputer technology，miniature engraving machine will be widely used. These technologies are widely used in Mechatronics, including mechanism, microelectronics，autocontrol, information, sensor and test,power and electron, interface, signal transform, software program. On the other hand, mechatronics maked these technologies integrated closely. It is the primary trend of the development of mechanical industrial technology and products in the world nowadays.
The development of the CNC engraving machine and the meaning of the electric spindle to the NC machine was investigated about this thesis. The process of design for the X axle in Desk-work CNC engraving and milling machine was introduced, including the design project of the machine, the design of the mechanical structures of the feeding mechanism of X axis. In the section of the feeding machine of X axis , the assembly of the straight guide-way and the bearing of the ball screw and so forth was presented .The calculation mainly includes two aspects: choosing and verifying the servo-motor of X axis. At last,In addition, I also had the choice of numerical control system CNC system is an important component of machine tool automation,and the capacity directly affected the machining accuracy,efficiency and the benefit of the production enterprise.The principle and advantage/disadvantage of CNC system and driver unit were introduced.How to select the highest price ratio and most appropriate CNC system and driver unit was also described.
This topic is based on the existing engraving machine to design a CNC engraving machines with a simple size, which adapted to the relatively large carving handicraft processing.
Keywords: Engraving plotter, numerical control system, mechatronics, X axis，and interpolation arithmetic.