CNC工廠注意！40kHz洗不掉切削液？選對全自動超聲波清洗機才省錢

　　Attention CNC factory! Can't the cutting fluid be washed away at 40kHz? Choosing the right fully automatic ultrasonic cleaning machine saves money

　　對CNC工廠的老板們來說，零件清洗是生產環節里繞不開的一環，而全自動超聲波清洗機更是不少工廠的標配設備。但很多老板都遇到過同一個頭疼問題：用40kHz的超聲波清洗機處理零件上的切削液，怎么洗都洗不干凈，工件表面殘留的油污不僅影響后續加工精度，還得反復清洗浪費水電和時間，相當于白燒錢。其實問題的核心根本不是設備不行，而是頻率選錯了！今天就專門給CNC工廠老板們科普，聊聊全自動超聲波清洗機的頻率選型，教大家一招解決切削液清洗難題，還能省成本。

　　For CNC factory owners, part cleaning is an indispensable part of the production process, and fully automatic ultrasonic cleaning machines are standard equipment in many factories. But many bosses have encountered the same headache problem: using a 40kHz ultrasonic cleaning machine to treat cutting fluid on parts, no matter how hard it is washed, it cannot be cleaned completely. The residual oil stains on the surface of the workpiece not only affect the subsequent machining accuracy, but also require repeated cleaning, wasting water, electricity, and time, which is equivalent to wasting money. In fact, the core of the problem is not that the equipment is not working, but that the frequency selection is wrong! Today, we will specifically educate CNC factory owners on the frequency selection of fully automatic ultrasonic cleaning machines, teach them a solution to the problem of cutting fluid cleaning, and save costs.

　　先說說為啥40kHz的全自動超聲波清洗機洗不掉切削液。咱們機加工用的切削液可不是普通油污，它粘性大、附著力強，還常常夾雜著金屬碎屑，屬于典型的頑固重油污。而40kHz雖然也屬于低頻段，但它的空化效應強度和沖擊力，剛好達不到剝離這類頑固污漬的要求。很多工廠老板跟風選40kHz機型，覺得它通用性強，卻沒考慮到CNC零件清洗的特殊性，結果就是清洗效果差、返工率高，看似省了設備錢，實則在水電、人工和返工成本上虧了不少。

　　Let's first explain why a 40kHz fully automatic ultrasonic cleaning machine cannot remove cutting fluid. The cutting fluid we use for machining is not ordinary oil stains. It has high viscosity, strong adhesion, and often contains metal debris, which is a typical stubborn heavy oil stain. Although 40kHz belongs to the low frequency range, its cavitation effect intensity and impact force just cannot meet the requirements for peeling off such stubborn stains. Many factory owners and wind select 40kHz models think that it has strong universality, but they do not consider the special nature of CNC part cleaning. As a result, the cleaning effect is poor and the rework rate is high. Although it seems to save equipment money, it actually loses a lot in water, electricity, labor, and rework costs.

　　給大家支個關鍵招數：換成28kHz的全自動超聲波清洗機，就能輕松解決這個問題，一年下來還能省不少錢。為啥是28kHz？因為28kHz屬于低頻段中沖擊力更強的檔位，它產生的空化氣泡破裂時釋放的能量，比40kHz大得多，能直接穿透切削液的粘性層，快速剝離零件表面、縫隙甚至微孔里的切削液和金屬碎屑，清洗得更徹底。而且全自動機型能實現上料、清洗、漂洗、烘干一體化操作，不用人工值守，清洗效率比40kHz機型高不少，原來要反復洗2-3遍的零件，現在一遍就能達標。

　　Here's a key trick for everyone: switching to a 28kHz fully automatic ultrasonic cleaning machine can easily solve this problem and save a lot of money over the course of a year. Why 28kHz? Because 28kHz belongs to the lower frequency range with stronger impact force, the energy released when the cavitation bubbles break is much greater than 40kHz. It can directly penetrate the viscous layer of the cutting fluid, quickly peel off the cutting fluid and metal debris on the surface, gaps, and even micropores of the part, and clean them more thoroughly. Moreover, the fully automatic model can achieve integrated operations of feeding, cleaning, rinsing, and drying, without the need for manual supervision. The cleaning efficiency is much higher than that of the 40kHz model. Parts that used to need to be washed 2-3 times can now meet the standard with just one wash.

　　可能有老板會問，換個頻率真能省那么多錢？咱們算筆明白賬：原來用40kHz機型，每批零件清洗+返工要花30分鐘，水電成本20元；換成28kHz全自動機型后，每批零件10分鐘就能洗干凈，水電成本只要8元，單批就能省12元。按每天加工10批零件算，一天就能省120元，一個月就是3600元，一年下來至少能省2萬元。更重要的是，清洗干凈的零件后續加工時，刀具磨損減少、加工精度提高，廢品率也會下降，這些隱性的成本節省更可觀。

　　Some bosses may ask, can changing the frequency really save so much money? Let's figure it out: originally using a 40kHz model, it took 30 minutes to clean and rework each batch of parts, and the cost of water and electricity was 20 yuan; After switching to a 28kHz fully automatic model, each batch of parts can be cleaned in 10 minutes, and the cost of water and electricity is only 8 yuan, saving 12 yuan per batch. By processing 10 batches of parts per day, we can save 120 yuan per day, which is 3600 yuan per month, and at least 20000 yuan per year. More importantly, during the subsequent processing of cleaned parts, tool wear is reduced, machining accuracy is improved, and the scrap rate is also reduced, resulting in more significant hidden cost savings.

　　這里要提醒各位CNC工廠老板，選全自動超聲波清洗機時，千萬別盲目跟風選高頻。很多商家推薦高頻機型，說它清洗精度高，但對機加工零件的重油污清洗來說，高頻的沖擊力根本不夠，反而會因為清洗不徹底耽誤生產。選機型的核心原則是“按污漬類型匹配頻率”：像切削液、機油這類頑固重油污，優先選28kHz這類低頻強沖擊的機型；如果是清洗精密零件上的細小微粒，再考慮高頻機型。

　　Here is a reminder to CNC factory owners that when choosing a fully automatic ultrasonic cleaning machine, do not blindly follow the wind and select high frequencies. Many businesses recommend high-frequency models, saying that they have high cleaning accuracy, but for heavy oil pollution cleaning of machined parts, the impact force of high-frequency is simply not enough, and it can actually delay production due to incomplete cleaning. The core principle of selecting a model is to "match the frequency according to the type of stain": for stubborn heavy oil stains such as cutting fluid and engine oil, priority should be given to low-frequency and strong impact models such as 28kHz; If cleaning fine particles on precision parts, then consider high-frequency models.

　　除了頻率，選全自動超聲波清洗機還有兩個實用要點要注意。一是看清洗槽容量和工裝設計，要匹配自家CNC零件的尺寸和批量，避免因工裝不合適導致清洗死角；二是看加熱和過濾功能，加熱能提升切削液的溶解速度，過濾系統能及時分離清洗下來的金屬碎屑，避免碎屑二次污染工件，這兩個功能能進一步提升清洗效果和效率。

　　In addition to frequency, there are two practical points to pay attention to when choosing a fully automatic ultrasonic cleaning machine. One is to look at the capacity of the cleaning tank and the design of the tooling, to match the size and batch size of our own CNC parts, to avoid cleaning blind spots caused by inappropriate tooling; The second is to consider the heating and filtering functions. Heating can improve the dissolution rate of cutting fluid, while the filtering system can timely separate and clean metal debris, avoiding secondary contamination of the workpiece. These two functions can further enhance the cleaning effect and efficiency.

　　總結下來，CNC工廠用全自動超聲波清洗機洗不掉切削液，問題根源就是頻率選錯了。別再執著于40kHz機型，換成28kHz低頻強沖擊機型，既能徹底解決清洗難題，又能一年省2萬以上的成本。選全自動超聲波清洗機的核心是“匹配污漬類型”，而非盲目追高頻。如果大家還不確定自家零件該選哪種頻率的機型，建議帶著零件樣品找廠家做試洗，根據試洗效果再做決定，避免買錯設備白燒錢。

　　In summary, CNC factories cannot remove cutting fluid with fully automatic ultrasonic cleaning machines, and the root cause of the problem is the wrong frequency selection. Don't stick to the 40kHz model anymore, switch to the 28kHz low-frequency strong impact model, which can completely solve the cleaning problem and save more than 20000 yuan in costs per year. The core of choosing a fully automatic ultrasonic cleaning machine is to "match the type of stain", rather than blindly chasing high frequencies. If you are still unsure about which frequency model to choose for your own parts, it is recommended to bring a sample of the parts to the manufacturer for a trial wash. Based on the results of the trial wash, make a decision to avoid buying the wrong equipment and wasting money.

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