基本工作原理6FC5210-0DA10-0AA0
該結(jié)構(gòu)的基本工作原理簡述如下:
插上電源,起動電源開關(guān),設(shè)定沖壓噸位。如果是自動沖壓,則需設(shè)定沖壓操作頻率,然后起動沖壓按鈕,否則作手動處理。按鈕接通,直線電機(jī)初級2將通電產(chǎn)生電磁力,使次級3帶動模架7向下運(yùn)動,沖壓工件。沖壓結(jié)束,次級3在反向電磁力與恢復(fù)彈簧的拉動下回到初始位置,等待下一次的沖壓。如果按鈕處于自動連沖狀態(tài),則沖頭將以設(shè)定的頻率連續(xù)工作,直到按鈕關(guān)閉為止。除非安全斷電裝置需要中途停止,否則沖頭只受按鈕控制。
三、直線電動機(jī)與控制技術(shù)
(一)直線電機(jī)設(shè)計(jì)
電磁沖壓機(jī)的關(guān)鍵部分是直線電動機(jī)。一般情況下,直線電動機(jī)往往都作為驅(qū)動間斷運(yùn)行的裝置為多,其持續(xù)率也往往在25%以下。而現(xiàn)在把直線電動機(jī)用來驅(qū)動沖壓機(jī),則其持續(xù)率要高的多,基本上是處于連續(xù)工作狀態(tài)。因此,對直線電機(jī)的設(shè)計(jì)與制造提出了更高的要求。
首先,在直線電動機(jī)的基本型式與結(jié)構(gòu)方面,我們以直線感應(yīng)電動機(jī)為主,其結(jié)構(gòu)包括圓筒型、平面雙邊型和單邊型,還專門設(shè)計(jì)了特殊結(jié)構(gòu)型式的直線電動機(jī),如外殼動次級型式等特殊結(jié)構(gòu)型式;其次,在電磁方案的設(shè)計(jì)上,采用了計(jì)算機(jī)進(jìn)行多方案優(yōu)化設(shè)計(jì);最后,在初、次級的材料和結(jié)構(gòu)上作了一些新的嘗試。通過以上工作,從而使直線電機(jī)的性能完全適合于電磁式?jīng)_壓機(jī)的工作需要。
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