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相對(duì)于實(shí)力雄厚的著名PLC廠商而言,國(guó)內(nèi)公司的研發(fā)實(shí)力較弱。
本土PLC發(fā)展之路崎嶇
自20世紀(jì)70年代后期進(jìn)入中國(guó)以來(lái),PLC已經(jīng)廣泛地用于工業(yè)生產(chǎn)中幾乎每一個(gè)角落。雖然國(guó)產(chǎn)PLC有了長(zhǎng)足的發(fā)展,但是與國(guó)外品牌依舊存在一定的差距。
首先,是技術(shù)方面的原因。早期的PLC技術(shù)相對(duì)封閉,開放性不夠,缺乏一個(gè)通用的技術(shù)平臺(tái),國(guó)內(nèi)研發(fā)單位很難得到前沿的PLC核心技術(shù),需要長(zhǎng)時(shí)間的不斷嘗試和摸索?!捌呶濉焙汀鞍宋濉逼陂g,國(guó)內(nèi)部分研究單位在PLC研發(fā)上進(jìn)行了科技攻關(guān),取得了一些攻關(guān)成果,也基本具備了自主研發(fā)PLC的能力。但是,缺乏持續(xù)研發(fā)和產(chǎn)品化能力,最終沒(méi)能形成規(guī)模經(jīng)營(yíng)。
第二,是資金問(wèn)題。PLC既是專業(yè)產(chǎn)品,也是自動(dòng)化領(lǐng)域的一個(gè)通用產(chǎn)品,要形成規(guī)模經(jīng)營(yíng)必須具有較大的資金投入。有人意識(shí)到了開展PLC業(yè)務(wù)的重要性,但資金不夠;有人有資金,卻認(rèn)識(shí)不到其長(zhǎng)遠(yuǎn)價(jià)值。應(yīng)該說(shuō),部分國(guó)產(chǎn)PLC產(chǎn)品確有其獨(dú)到之處,但由于缺乏足夠的資金支持,無(wú)法形成規(guī)模經(jīng)營(yíng)。作坊式生產(chǎn)或者受短期盈利目標(biāo)的約束,使其無(wú)法形成再投入和擴(kuò)大再生產(chǎn),制約了產(chǎn)品的健康發(fā)展。
第三,是制造工藝問(wèn)題。在10年前甚至5年前,國(guó)內(nèi)的制造環(huán)境如生產(chǎn)工藝、模具制造、質(zhì)量控制等方面仍存在較大欠缺,無(wú)法滿足工藝要求較高的PLC批量生產(chǎn)。
第四,面臨的是一個(gè)與大批國(guó)際跨國(guó)公司競(jìng)爭(zhēng)的成熟市場(chǎng),如何有效地將產(chǎn)品推廣出去尤為重要,而國(guó)內(nèi)公司恰恰缺少一支具有獨(dú)到經(jīng)營(yíng)理念的市場(chǎng)隊(duì)伍,市場(chǎng)開拓力量薄弱。
最后,是體制問(wèn)題。原來(lái)許多做PLC的是研究所或者國(guó)營(yíng)企業(yè),體制和機(jī)制問(wèn)題限制了PLC的產(chǎn)業(yè)化發(fā)展。
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