【摘要】：針對(duì)階梯軸在檢測(cè)過程中存在的檢測(cè)參數(shù)多、重復(fù)精度低以及人工檢測(cè)費(fèi)時(shí)費(fèi)力的實(shí)際情況,提出一種基于線陣CCD的階梯軸自動(dòng)測(cè)量方法,并在詳細(xì)分析所研究測(cè)量裝置的技術(shù)指標(biāo)要求后,給出了測(cè)量裝置的總體組成、工作原理以及控制系統(tǒng)的總體設(shè)計(jì)方案。分析研究測(cè)量裝置在測(cè)量包括長(zhǎng)度、直徑、跳動(dòng)量和圓柱度等參數(shù)所采用的測(cè)量原理,設(shè)計(jì)出基于CPU224XP和STM32為主控單元的雙路控制系統(tǒng),并重點(diǎn)對(duì)工件運(yùn)動(dòng)控制系統(tǒng)和數(shù)據(jù)采集與處理系統(tǒng)進(jìn)行詳細(xì)的軟硬件設(shè)計(jì)。工件運(yùn)動(dòng)控制系統(tǒng)是由CPU224XP和EM235模塊與電機(jī)驅(qū)動(dòng)芯片YK2404MA和電磁閥組成,主要用于控制帶動(dòng)工件運(yùn)動(dòng)的電機(jī)和液壓缸,并以I/O口通訊方式與上位機(jī)進(jìn)行數(shù)據(jù)通訊,完成工件測(cè)量過程中的運(yùn)動(dòng)控制。工件數(shù)據(jù)采集與處理系統(tǒng)是以STM32為主控單元,并由長(zhǎng)度測(cè)量控制單元、直徑測(cè)量控制單元、跳動(dòng)(徑跳、端跳)測(cè)量控制單元、數(shù)據(jù)存儲(chǔ)和打印單元等共同組成的,以串口通信的方式與上位機(jī)進(jìn)行數(shù)據(jù)通訊。最后對(duì)所測(cè)量的主要參數(shù)(直徑、長(zhǎng)度、跳動(dòng))進(jìn)行了詳細(xì)的誤差與精度分析,并通過實(shí)驗(yàn)對(duì)測(cè)量系統(tǒng)的精度進(jìn)行驗(yàn)證。測(cè)試結(jié)果表明,該自動(dòng)檢測(cè)裝置能夠?qū)崿F(xiàn)長(zhǎng)度測(cè)量重復(fù)測(cè)量精度≤±10μm,直徑測(cè)量重復(fù)測(cè)量精度≤±10μm,跳動(dòng)量重復(fù)測(cè)量精度≤±30μm,圓柱度重復(fù)測(cè)量精度≤±15μm等主要性能指標(biāo),滿足所提出的階梯軸自動(dòng)測(cè)量的技術(shù)要求。
[Abstract]:In view of the fact that there are many detection parameters, low repetition accuracy and time-consuming and laborious manual detection in the process of step shaft detection, an automatic measurement method of step shaft based on linear CCD is proposed. After analyzing the technical index requirements of the measuring device in detail, the overall composition, working principle and overall design scheme of the control system are given. The measuring principle of the measuring device in measuring parameters, including length, diameter, jump and cylinder, is analyzed and studied, and a two-way control system based on CPU224XP and STM32 as the main control unit is designed. The hardware and software of workpiece motion control system and data acquisition and processing system are designed in detail. The workpiece motion control system is composed of CPU224XP and EM235 modules, motor drive chip YK2404MA and solenoid valve. It is mainly used to control the motor and hydraulic cylinder that drive the workpiece motion, and to communicate with the upper computer by I / O port communication mode. Complete the motion control in the process of workpiece measurement. The workpiece data acquisition and processing system is composed of STM32 as the main control unit, length measurement control unit, diameter measurement control unit, runout (diameter jump, end jump) measurement and control unit, data storage and printing unit, etc. The data communication between the host computer and the host computer is carried out by means of serial communication. Finally, the error and accuracy of the main parameters (diameter, length, runout) are analyzed in detail, and the accuracy of the measurement system is verified by experiments. The test results show that the automatic detection device can realize the main performance indexes, such as length measurement repetition measurement accuracy 鈮，

本文編號(hào)：2490375