A trademark used for a typesetting machine operated from a keyboard that activates a unit that casts and sets individual characters 莫諾鑄排機(jī)一種排字機(jī)的商標(biāo),通過使一個(gè)構(gòu)件動(dòng)作的鍵盤來操作,這種構(gòu)件可以澆鑄或排版單個(gè)字
According to the high precision and rotation stability requirement of negative scan unit of cylinder photography typesetting machine, the three levels of cylindrical gears transmission separately, the two-stage cylindrical gears-worm drive, and the worm drive was chosen through calculating its velocity ratio, the checking transmission precision, carrying on the movement precision analysis to the sweep unit, and computing overall transmission error 摘要針對(duì)圓筒型照相排版機(jī)底片掃描裝置要求傳動(dòng)精度高,轉(zhuǎn)動(dòng)平穩(wěn)的特點(diǎn),分別選擇三級(jí)圓柱齒輪傳動(dòng),雙級(jí)圓柱齒輪蝸桿傳動(dòng),蝸桿傳動(dòng)3種常見的傳動(dòng)方式,計(jì)算其傳動(dòng)比,驗(yàn)算傳動(dòng)精度,對(duì)掃描裝置進(jìn)行運(yùn)動(dòng)精度分析,計(jì)算總體傳動(dòng)誤差。