PCB數(shù)控鉆機(jī)總體設(shè)計(jì)

摘    要
 
    印制電路板（PCB）制造技術(shù)是電子信息制造業(yè)的重要基礎(chǔ)和組成部分。印制電路板（PCB）數(shù)控鉆床是是印制電路板精密孔加工的關(guān)鍵的工藝裝備。
本機(jī)床采用先進(jìn)的直線滾動(dòng)導(dǎo)軌、高精度滾珠絲桿和交流伺服電機(jī)；涉及微電子、計(jì)算機(jī)、自動(dòng)控制、機(jī)密機(jī)械、圖像處理等多種技術(shù)，綜合性強(qiáng)，知識(shí)；技術(shù)、資金密度高，適用于高精度PCB的成形加工。
本文對(duì)PCB機(jī)床的整機(jī)系統(tǒng)結(jié)構(gòu)、伺服進(jìn)給結(jié)構(gòu)、工作裝置、機(jī)電匹配進(jìn)行了討論和分析，特別是對(duì)整機(jī)系統(tǒng)結(jié)構(gòu)和伺服進(jìn)給機(jī)構(gòu)進(jìn)行了詳細(xì)的設(shè)計(jì)，主要包括機(jī)床動(dòng)力參數(shù)、整機(jī)的結(jié)構(gòu)布置、伺服系統(tǒng)的選擇以及滾珠絲桿、滾動(dòng)導(dǎo)軌、聯(lián)軸器、滾動(dòng)軸承、交流伺服電機(jī)、高速電主軸等關(guān)鍵零部件的選擇和設(shè)計(jì)。

關(guān)鍵詞：數(shù)控機(jī)床，印制電路板，伺服系統(tǒng)，機(jī)電匹配

ABSTRACT

The technology of PCB manufacturing is the important foundation and composing of electronic information manufacturing industry. The PCB NC drilling machine is key technology equipment in rhe PCB’s precise hole site processing.
The machine tool adopts advanced beeline rolling oriented track, high precision ball bearing screw shaft and AC servo electromotor technique, deals with many studies including micro-electronics auto control, fine mechanic sand image manipulation, its comprehension is strong and its knowledge, technique and found density is high. It is used to the milling and drilling of high-precision PCB.
The article discusses and analyzes the holistic system structure, servo feeding organ, working organ, NC organ and machinery electricity matching, and has carried out detailed of holistic structure layout, the selection of servo system, and the selection and proofing of key parts including ball bearing screw shaft, beeline oriented track, crosshead, ball bearing, AC servo electromotor, principal axis.

Key words: NC machine tool, PCB, servo system, Machinery electricity matching