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高性能冷卻潤滑液

英國比爾(Korniche)SCF系列水溶性切削液 金屬切削液通常可分為以冷卻為主的水溶性金屬切削液和
英國“比爾”(Korniche)SCF系列水溶性切削液

金屬切削液通常可分為以冷卻為主的水溶性金屬切削液和以潤滑為主的純油性金屬切削液。水溶性金屬切削又可分細分為可溶性油(乳化液)、半合成切削液(微乳液)和合成切削液三種。隨著機床切削速度的提高,新材料、新工藝不斷出現,以及環保要求的日益嚴格,傳統的切削液已經很難滿足現代金屬切削加工的要求。在我國,水溶性切削液使用范圍越來越廣,且已開始從乳化液向性能好、壽命長的合成切削液、半合成切削液(微乳化切削液) 等高性能金屬切削加工液過渡。

水溶性金屬切削液的主要優點:延長刀具的使用壽命,保證和提高工件的加工尺寸精度,改善工件表面的光潔度,及時排除金屬屑,確保切削過程順利進行,及時帶走切削熱,迅速均勻冷卻刀具和工件等,防止機床和工件產生腐蝕和銹蝕,提高切削加工效率,降低成本。

英國“比爾”(Korniche)SCF系列水溶性切削液采用最新生化穩定添加劑技術制造,該產品能延長儲液池的壽命和改善切削力,工作性能更勝于傳統切削液。其優點如:高稀釋度、優異的殺菌防霉性、能承受異種油的影響、低泡沫性、極好的防腐蝕性能、不產生粘性積垢、透明的微乳液,易于觀察工作。

“比爾”(Korniche)SCF系列產品包括磨削液、材料特定工作液和可代替純油切削削液的重負荷切削液,且全系列產品均不含二乙醇胺(DEA),滿足歐洲對健康和安全的法例要求。其中:

SCF 380高性能半合成切削液:不含氯與硫、生物抵抗性高、低油份、潤滑性良好。特別適用于鑄鐵、中強度黑色金屬和有色金屬,廣泛應用于多種機械加工包括車削、鉆孔、銑削及研磨。

SCF 500高性能乳化切削液:生物抵抗性極高、中等油份含量、工件表面精度高、工具壽命長。用于黑色和有色金屬材料的機械加工,特別適宜于數控加工中心(CNC)使用,加工中至高強度鐵合金、黃銅及鋁合金材料。

SCF 600全合成磨削液:沉屑性好、操作可見度高、減少砂輪磨損、工件表面光潔度高。可用于鑄鐵的機械加工。本產品適用于黑色金屬和有色金屬材料的一般機械和磨削加工。

SCF 900全合成磨削液:不含氯和硫,含礦物油、獨特的逆溶解極壓添加劑、稀釋液,使用壽命長。適用于黑色金屬和有色金屬的磨削加工,亦可用于中至重負荷的切削及鉆孔加工。

福斯ECOCOOL系列金屬加工液

創立于1931年的德國福斯油品集團,專業研制、生產和銷售各種工業潤滑油、車輛潤滑油、摩托車油和特種油脂。產品數量達到7000多種,產品齊全,是世界上大的獨立潤滑油制造商之一。1988年,德國福斯集團進入中國市場,先后在營口、上海、合肥建立了三個潤滑油生產廠,采用領先的德國技術和國際一流的科研設備,并建立嚴格的質量保證體系,先后通過ISO 9002、QS 9000及VDA 6.1認證。公司不斷推出高效優質的工業潤滑油產品,以滿足國內廣大客戶的需求。

在福斯眾多任務業潤滑油產品中,金屬加工液具有突出的優勢,市場占有率名列前茅。以下介紹其中的一個產品:ECOCOOL 700 NBF。

ECOCOOL 700 NBF屬水溶性切削液,采用了領先的配方和調配工藝,具有如下優點:

1) 無泡:新型機床設備的高壓力和流速使得金屬加工液在更苛刻的條件下工作,其所產生的泡沫導致刀具壽命的降低、泵的損壞以及安全的隱患等問題。ECOCOOL 700 NBF是無泡產品,對操作人員和設備提供最佳保護。

2) 不含殺菌劑:用于水溶性冷卻液中的殺菌劑被公認為是引起皮膚刺激的原因。ECOCOOL 700 NBF的獨特配方具有天然的微生物穩定性,能夠限制細菌和霉菌的生長,因而不需要添加危險的殺菌劑。它獨特的天然特性可以延長冷卻液的壽命,避免難聞氣味和銹蝕問題。工人的皮膚過敏風險也大大降低。

3) 優異的防銹保護:全面的防銹實驗表明,即使在高硬度和氯含量的惡劣水質中,ECOCOOL 700 NBF也能提供更佳的防銹保護。這就能減少使用量,降低成本和對環境的影響。

4) 快速破乳化:ECOCOOL 700 NBF不乳化液壓油,因此雜油容易被撇油裝置撇除,廢液的處理也特別容易。

5) 硬水穩定性:在硬水和高氯含量的苛刻條件下,水溶性冷卻液經常表現不穩定,產生浮皂,皂會沉積在機床的表面并減低防銹保護。但ECOCOOL 700 NBF在硬水中異常穩定(在高達400ppm的水硬度和100ppm的氯含量條件下),保證了干凈的機床表面和良好的防銹性能。

6) 材料兼容性:在建議的條件下使用,與天然橡膠、橡膠和氯丁橡膠及樹脂兼容。

7) 無臭味-操作者舒適:換用ECOCOOL 700 NBF的客戶都反映跟原用產品相比,ECOCOOL 700 NBF大大降低了機床周圍的難聞氣味。

8) 低揮發性:ECOCOOL 700 NBF的揮發性低,從而可以降低50%或更多的冷卻液消耗。

9) 超凡的刀具壽命:通過全面使用福斯產品,可以達到非凡的刀具壽命。

ECOCOOL 700 NBF適用于對透明度和泡沫控制要求高的應用,它能在水中形成透明的溶液,而不含氯、亞硝酸鹽和酚類。

德潤寶鎂合金金屬加工液

鎂合金由于具有重量輕、比強度和比剛度高、導熱性好、吸震性好、可回收性能和機械加工性能好等優點,逐步成為本世紀最具生命力的新型環保材料,在汽車零部件、自行車零部件、電子通訊、航天國防和運動用品等領域獲得了廣泛的應用。

鎂的化學活性很強,在空氣中容易氧化,特別是在高溫下,若氧化反應放出的熱量不能及時發散,則容易引起燃燒,因此在熔化鎂合金時要采取防止氧化的措施。由于鎂合金特殊的物理性能,所以在鎂合金加工過程中存在一些潛在的問題:鎂粉易與水反應生成氫氧化物和易爆炸的氫氣;鎂離子易溶于水性切削液中,極大增加總硬度,而且對皮膚有刺激性;易在工具和機械上形成沉積物等等。因此,鎂合金的加工對于切削介質的要求十分苛刻,在金屬加工介質的設計時必須找出解決辦法。

德國德潤寶公司(PETROFER CHEMIE)作為一家專業生產和銷售金屬加工介質的跨國企業集團,長期追蹤并研究最先進的金屬加工介質產品,針對鎂合金加工的特點,專門研發了用于鎂合金切削的油性和水性產品。

德潤寶公司的ISOCUT VG 10-H是一款適用于鎂合金切削的油性加工介質,該產品不含氯、硫,不含任何與鎂產生反應的化學組分,同時還具有高閃點、低粘度和低油霧的特點。

 


圖1 乳化穩定性試驗
德潤寶公司還專門設計和開發了一款用于鎂合金切削的水性產品-EMULCUT 2800MG。該產品秉承德潤寶公司先進的產品設計理念,不含氯、硼、二胺、亞硝酸鹽及其它的硝基化合物,屬最新環保型產品,其主要特點有:低氫氣形成傾向;可以用于高硬度的水質,最高可達300°dH (5350 ppm),還適用于加工鋁及其合金、銅及其合金、鋼和鑄鐵等材料的零件;優秀的潤滑性能,可有效延長刀具使用壽命;生物穩定性產品,具有長的使用壽命。

圖1是德潤寶公司EMULCUT 2800MG和市場上其它產品在300°dH水質下的乳化穩定性結果。左邊量筒中是EMULCUT 2800MG。從圖中可以清晰地看出,德潤寶公司的產品具有非常優異的抗硬水性能。

 


圖2 不同配方氫氣形成數量對比
圖2是不同配方的乳化液對于鎂合金加工中可能生成的氫氣的對比圖。該實驗是在5%濃度乳化液中加入1%鎂粉,經過24小時后測量的結果。其中,M代表礦物油,A代表胺,B代表硼,E代表酯。從圖中不難看出,EMULCUT 2800MG具有非常低的氫氣生成量,也就是說,使用EMULCUT 2800MG加工鎂合金,具有很高的安全性。

安全環保地控制微生物生長

金屬加工液中微生物的生長是一個由來已久的問題。微生物會使金屬加工液的色澤頻繁地變黯;使零部件產生污點;促使金屬加工液分解(油-水分離);減少金屬加工液中的銹蝕抑制性能,導致產品失衡。另外,霉菌除了生成臭味,還會生長難看的團塊狀物體,堵塞金屬加工液的輸液管或管道,減少金屬加工液中的銹蝕抑制性能。除非金屬加工液得到明顯地控制,否則,現場操作者有可能由于腐臭的環境引起皮炎和呼吸等疾病。同樣,腐臭的金屬加工液也會引起加工過程中的一些嚴重問題,如潤滑能力下降導致工件質量下降,刀具使用壽命縮短等。

如果金屬加工液受到細菌污染,通常現場管理者會考慮加入大劑量的相應殺菌劑,再將金屬加工液系統運行一段時間來達到殺滅微生物的目的。如果情況非常嚴重,現場管理者甚至會考慮排空整個系統,徹底清洗并重新加液。所有的這些措施,將不可避免地提高金屬加工液用戶的生產成本,甚至會影響正常生產。

應該注意的是,現在某些金屬加工液產品中存在著一種叫DCHA(Dicyclohexylamine 二環己基胺)的化學物質。DCHA完全可能被用在產品中而未列入MSDS,因為根據OSHA's HCS (Occupational Safety and Health Administration's Hazard Communications Standard ),只有那些具有危害性的產品才會被要求列入MSDS。但是,獨立的實驗室動物的測試結果顯示,在金屬加工液混合物中,即使DCHA濃度低于1%,仍致命的。而且據美國運輸部皮膚腐蝕性測試發現,含有DCHA的金屬加工液產品對皮膚具有腐蝕性。

確認金屬加工液中是否存在DCHA可以有幾種分析測試方法,許多實驗室通常都采取這些方法。但是金屬加工液用戶應釆取的第一個步驟就是要問清楚金屬加工液制造商,在它們的產品中是否使用了DCHA。

米拉克龍國際公司從來沒有用DCHA來生產CIMCOOL金屬加工液。不僅如此,米拉克龍國際公司提供金屬加工液產品整個生產線的各種信息,這些產品將能夠滿足金屬加工液的全部需求,其中包括性能、使用壽命、穩定性和安全性等。

易生物降解,生物穩定的多功能切削液——HOCUT 795

現代切削和磨削加工用切削液除了考慮其潤滑與冷卻效能之外,還需考慮到加工的經濟性和環保要求,即優質的切削液還需具備下列功能:腐蝕防護、生物穩定、儲存穩定、乳化穩定,消泡性好,與密封材料、油漆等相溶,對人體無害等。美國好富頓公司開發的HOCUT 795能較好地平衡機械加工特性和非加工因素,成為滿足巿場需求的性能獨特的多功能切削液。

HOCUT 795是由獨特原料調配而成不含硫、氯添加劑的乳化型切削液,幾乎可用于所有金屬的切削和磨削。其優點是在突出加工性能的同時,很好地解決了長菌、泡沫以及生物降解性問題,致使切削液的維護管理大大簡化,長期使用不生菌、不起泡,因而生產過程中始終不用加殺菌劑、消泡劑以及其它添加劑。特別適合于集中供液系統中同時加工多種金屬又同時具有多種加工方式的系統使用,使其綜合加工成本大大降低。

HOCUT 795適用于各種金屬材料的的切削、磨削加工,具有很好的加工性能和工藝管理性,可改善操作環境,廢液處理少,綜合效果好。一份來自福特汽車克利夫發動機廠的應用報告也證明了,換用HOCUT 795后,1)有利于健康和安全生產;2)工具壽命延長;3)工件質量提高;4)切削液的用量降低了。由于使用后對福特公司制造工藝和生產環境產生如此積極的影響,福特公司在美國的全部工廠使用并將其使用HOCUT 795情況告訴全球的子公司。目前,DANA公司、本田汽車公司、廣州本田汽車京安云豹發動機廠、海南新大州摩托車有限公司、上海通用汽車公司等300多家汽車及零部件及其它機加工企業都使用了HOCUT 795切削液。

瑞士巴索金屬切削液——液體切削工具

巴索公司認為,液體切削工具及切削液制造商不僅僅是產品制造者,更應是綜合解決方案的提供者。這一理念貫穿產品研發、生產到巿場營銷的全過程。

一個優質的切削液產品,應該在提高切削參數、降低刀具消耗、防止機床銹蝕、提高工件質量、降低維護成本、保護人體安全及減少環境污染等方面為用戶提供有效手段。要實現這些目標,則必須了解當今加工和材料技術的最新動態,再而運用物理、化學和生物科學的最新技術,研發出適用于各種加工要求的產品,并使上述指標達到最優化組合。

 


圖3 巴索切削液綜合成本分析比較
巴索的產品正是以自己獨特的技術滿足上述各個方面要求:

1) 超級潤滑,提高切削性能的關鍵:納米級的油滴均勻分布到刀尖表面,降低摩擦系數,減少熱量生成,提高表面質量,顯著延長刀具壽命。

2) 超強穩定性,只需維護,無須更換:微乳化結構硬度自調節和抗廢油能力保證高壓下的物理化學穩定性,在正確的維護下,無須更換。

3) 微生物平衡技術:無須任何殺菌劑,使用原生菌生長控制技術,抑制有害細菌,真菌和其它微生物的生長。

4) 健康環保,減少廢液處理費用:內置PH值穩定劑保證持久中性,無殺菌劑,絕對不含亞硝酸鹽等致癌物質。獲得環境、健康和安全等方面的最高評分。

5) 易于維護:無需專業儀器,無需任何添加劑。除去廢油,保持濃度是日常維護的唯一要求。

此外,液體工具的另一重要部分是專業咨詢服務,包括產品的選擇,更重要的是豐富技術工藝經驗,綜合機加工的各個因素,提出最佳的參數組合,使產品性能充分發揮,大提高機床和刀具的使用效率,從而達到降低綜合成本的最終目的。


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本網站全力支持關于《中華人民共和國廣 告法》實施的"極限化違禁詞"相關規定,且已竭 力規避使用"違禁詞"。故即日起凡本網站任意頁 面含有極限化"違禁詞"介紹的文字或圖片,一律 非本網站主觀意愿并即刻失效,不可用于客戶任何 行為的參考依據。凡訪客訪問本網站,均表示認同 此條約!感謝配合!

滬公網安備 31012002003868號

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