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    怎样仔细挑选超声波清洗机
    2019-5-22 10:45:31
    选购超声波清洗机的八个步骤:八个步骤,让您称心采购超声波清洗机。
    Choose eight steps of the ultrasonic cleaning machine: eight steps, so that you can purchase the ultrasonic cleaning machine satisfactorily.
    在采购超声波清洗机的时候,首先是了解自己的产品可以用哪些方式去洗,第二是要达到一种什么样的清洁效果,第三是预计自己公司发展的产量会达到多少,要购买的机器最大产能是要多少,第四步是清洗工艺的了解,询问自己同行的是采用什么样的工艺,或者咨询超声波的生产厂家有没有更新的清洗工艺,第五是选择一些专业的生产企业进行清洗工艺、价格和售后服务保障方面比较,第六是在签订合同时把做设备所用材料品牌型号,易耗品价格,维修条款等等写进合同协议中,以防一些不良生产企业的欺诈,第七是验收,如果是大型设备的话,您尽量要带上您的工件到生产企业去现场验收,第八是安装完对您公司员工的培训,您确定您的员工是真的学会了而不是安装人员所说已经培训过了。
    When purchasing the ultrasonic cleaner, first of all, we need to know how to wash our products. Second, we need to know what kind of cleaning effect we can achieve. Third, we need to predict how much the output of our company will reach and how much the maximum capacity of the machine we want to buy. Fourth, we need to know the cleaning technology. We need to ask our colleagues what kind of technology we are using or what kind of technology we are going to use. Consult whether the ultrasonic manufacturers have updated cleaning process. Fifth, choose some professional manufacturers to compare cleaning process, price and after-sales service guarantee. Sixth, when signing the contract, put the brand model of materials used for equipment, consumables price, maintenance terms and so on into the contract agreement in order to prevent some bad manufacturers from cheating. Seventh, test. If it is a large-scale equipment, you should take your workpiece to the production enterprise for on-site acceptance as far as possible. The eighth is to install the training for your company's employees. You are sure that your employees have really learned it, not that the installation personnel said they have already trained.
    超声清洗工艺及清洗液的选择:在购买清洗系统之前,应对被清洗件做如下应用分析: 明确被洗件的材料构成、结构和数量, 分析并明确要清除的污物,这些都是决定所要使用什么样的清洗方法,判断应用水性清洗液还是用溶剂的先决条件。最终的清洗工艺还需做清洗实验来验证。只有这样,才能提供合适的清洗系统、设计合理的清洗工序以及清洗液。考虑到清洗液的物理特性对超声清洗的影响,其中蒸汽压、表面张力、黏度以及密度应为最显着的影响因素。温度能影响这些因素,所以它也会影响空化作用的效率。 任何清洗系统必须使用清洗液。
    Ultrasound cleaning technology and choice of cleaning solution: Before purchasing the cleaning system, the following application analysis should be made for the cleaned parts: clear the material composition, structure and quantity of the washed parts, analyze and clear the dirt to be cleaned, these are the prerequisites for deciding what cleaning method to use and whether to use water-based cleaning solution or solvent. The final cleaning process needs to be verified by cleaning experiments. Only in this way can we provide a suitable cleaning system, design a reasonable cleaning process and cleaning fluid. Considering the influence of the physical characteristics of cleaning fluid on ultrasonic cleaning, steam pressure, surface tension, viscosity and density should be the most significant factors. Temperature can affect these factors, so it also affects the efficiency of cavitation. Cleaning fluid must be used in any cleaning system.
    选择清洗液时,应考虑以下三个因素:
    The following three factors should be taken into account when choosing a cleaning solution:
    1 .清洗效率:选择最有效的清洗溶剂时,一定要做实验。如在现有的清洗工艺中引入超声,所使用的溶剂一般不必变更;2 .操作简单:所使用的液体应安全无毒、操作简单且使用寿命长;3 .成本:最廉价的清洗溶剂的使用成本并不一定最低。使用中必须考虑到溶剂的清洗效率、安全性、一定量的溶剂可清洗多少工件利用率最高等因素。当然,所选择的清洗溶剂必须达到清洗效果,并应与所清洗的工件材料相容。水为最普通的清洗液,故使用水基溶液的系统操作简便、使用成本低、应用广泛。然而对某些材料以及污垢等并不适用于水性溶液,那么还有许多溶剂可供选用。 不同的清洗液,要区分的清洗系统 水性系统:通常由敞口槽组成,工件浸没其中。而复杂的系统 由多个槽组成,并配备循环过滤系统、冲淋槽、干燥槽以及其它附件。
    1. Cleaning efficiency: When choosing the most effective cleaning solvent, we must do experiments. If ultrasound is introduced into the existing cleaning process, the solvent used does not need to be changed; 2. Simple operation: the liquid used should be safe, non-toxic, simple operation and long service life; 3. Cost: the use cost of the cheapest cleaning solvent is not necessarily the lowest. The factors such as cleaning efficiency, safety of solvent and how many workpieces can be cleaned with a certain amount of solvent must be taken into account in use. Of course, the selected cleaning solvent must achieve the cleaning effect, and should be compatible with the cleaned workpiece materials. Water is the most common cleaning solution, so the system using water-based solution is easy to operate, low cost and widely used. However, some materials and dirt are not suitable for aqueous solutions, so there are many solvents available. For different cleaning fluids, the water-based cleaning system to be distinguished is usually composed of open grooves in which the workpiece is immersed. The complex system consists of multiple tanks, and is equipped with circulating filtration system, flushing tank, drying tank and other accessories.

    溶剂系统:多为超声波汽相除油脂清洗机,常配备废液连续回收装置。超声波汽相清除油脂过程是由溶剂蒸发槽和超声浸洗槽成的集成式多槽系统完成的。在热的溶剂蒸汽和超声激荡共同用下,油、脂、蜡以及其他溶于溶剂的污垢就被除去。经过一列清洗工序后下料的工件发热、洁净、干燥。

                           全自动超声波清洗机

    Solvent system: Ultrasound vapor phase grease removal cleaning machine, often equipped with waste liquid continuous recovery device. The process of oil removal by ultrasonic vapor phase is accomplished by an integrated multi-tank system consisting of solvent evaporation tank and ultrasonic soaking tank. Oil, grease, wax and other solvents-soluble dirt are removed by the combination of hot solvent vapor and ultrasonic excitation. After a series of cleaning processes, the workpiece is heated, cleaned and dried.
    清洗件处理:超声清洗的另一个考虑因素是清洗件的上、下料或者说是放置清洗件的工装的设计。清洗件在超声清洗槽内时,无论清洗件还是清洗件篮都不得触及槽底。清洗件总的横截面积不应超过超声槽横截面积的 70% 。橡胶以及非刚化塑料会吸收超声波能量,故将此类材料用于工装时应谨慎。绝缘的清洗件也应引起特别注意。工装篮设计不当,或所盛工件太重,纵使最好的超声清洗系统的效率也会被大大降低。钩子、架子以及烧杯都可用来支持清洗件。清洗时间:1-10分钟,最好采用定时方式清洗。

    Cleaning parts processing: Another consideration of ultrasonic cleaning is the design of the upper and lower materials of the cleaning parts or the tooling for placing the cleaning parts. When cleaning parts in the ultrasonic cleaning tank, the bottom of the tank should not be touched either by the cleaning parts or by the cleaning basket. The total cross-sectional area of the cleaning parts should not exceed 70% of the cross-sectional area of the ultrasonic groove. Rubber and non-rigid plastics absorb ultrasonic energy, so caution should be taken when using such materials in tooling. Special attention should also be paid to insulated cleaning parts. If the tooling basket is not properly designed or the workpiece is too heavy, the efficiency of the best ultrasonic cleaning system will be greatly reduced. Hooks, shelves and beakers can be used to support cleaning parts. Cleaning time: 1-10 minutes, the best time to clean.

    全自动超声波清洗机

    功率的选择:超声波清洗有时用小功率,花费很长时间也没有清除污垢。而如果功率达到一定数值,很快便将污垢去除。若选择功率太大,空化强度将大大增加,清洗效果是提高了,但这时较精密的零件也产生了蚀点,而且清洗机底部振动板空化严重,水点腐蚀也增大,在采用三氯乙烯等有机溶剂时,基本上没有问题,但采用水或水溶性清洗液时,易于受到水点腐蚀,如果振动板表面已受到伤痕,强功率下水底产生空化腐蚀更严重,因此要按实际使用情况选择超声功率。
    Power Choice: Ultrasound cleaning sometimes uses low power and takes a long time without removing dirt. If the power reaches a certain value, the fouling will be removed soon. If the power is too high, the cavitation intensity will be greatly increased and the cleaning effect will be improved, but at this time more precise parts will also produce corrosion spots, and the bottom vibration plate of the cleaning machine will be seriously cavitated and the corrosion of water point will increase. When using organic solvents such as trichloroethylene, there is basically no problem, but when using water or water-soluble cleaning solution, it is easy to be corroded by water point, if the vibration plate table is used. The surface has been scarred, and the cavitation corrosion is more serious under high-power water. Therefore, the ultrasonic power should be selected according to the actual use.
    频率的选择:超声清洗频率从28 kHz 到 120kHz 之间,在使用水或水清洗剂时由空穴作用引起的物理清洗力显然对低频有利,一般使用 28-40kHz 左右。对小间隙、狭缝、深孔的零件清洗,用高频(一般 40kHz 以上)较好,甚至几百 kHz 。对钟表零件清洗时,用 100kHz 。若用宽带调频清洗,效果更良好。
    Frequency selection: Ultrasound cleaning frequency ranges from 28 kHz to 120 kHz. Physical cleaning force caused by cavitation is obviously beneficial to low frequency when using water or water cleaning agent. Usually it is about 28-40 kHz. For parts with small clearance, slit and deep hole, it is better to use high frequency (generally more than 40 kHz), even several hundred kHz. When cleaning clock parts, use 100kHz. If broadband FM cleaning is used, the effect is better.