【正文】
電機,176。步距角PLC 靜轉(zhuǎn)矩修正驅(qū)動器電流步進電機矩頻特性曲線負載電機型號 圖3 步進電機選擇步驟 圖4 控制系統(tǒng)結(jié)構(gòu)框圖本文中的機械手主要用于教學(xué),故所需精度不很高,力矩也不要太大。在非超載情況下,電機的轉(zhuǎn)速及停止位置只取決于脈沖信號的頻率和脈沖數(shù),而不受負載變化的影響。3)步進電機再次驅(qū)動縱軸下降(或上升),到達指定位置后,電磁鐵斷電,機械手松開物體。的電控機械手,由微動開關(guān)確定其起始0點;2)由步進電機驅(qū)動絲杠組件,使機械手沿Y和Z軸移動,有Y、Z軸接近開關(guān)作安全限位;3)可回旋270176。通常情況下,4個自由度的機械手即可滿足大多數(shù)搬運需求。為實現(xiàn)不同的功能,有3個自由度的,也有5個自由度的,甚至還有6個自由度的。 PLC。關(guān)鍵詞:機械手;PLC;步進電機中圖分類號:TP241 文獻標志碼:A 文章編號:Design of the Control System of 4dimension Motordriven Mechanical Manipulator Based on PLCAbstract: Motordriven mechanical manipulator disscussed in this paper consists of poweroperated mechanical manipulator,yaxis and zaxis screw lever modules ,rotatry mechanism of manipulator,rotatedplate at the bottom etc. On the control of PLC system,it can take bodies from one place to another in the range of its journey. It can be placed on different manufacture assembly lines or goods circulation lines. Key Words:mechanical manipulato