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常见问题

金属产品清洗机设备需要清洗多长时间?

作者:admin来源:http://www.jnthcsb.com/时间:2021-12-25

随着技术的发展和环境保护要求的提高,在汽车及零部件生产过程中,零部件清洗工艺对清洗设备和清洗剂也提出了更高的要求。汽车金属零部件清洗的一般要求如下:清洗速度快,在清洗机工艺设定的清洗时间内,可彻底除去金属表面污物;对清洗机和被清洗零部件无腐蚀性;清洗剂成本低,、气味温和;清洗过程中,不在清洗对象表面残留不溶物,不产生新污物,不形成新的有害于后续工序的覆盖层,不影响产品质量。
With the development of technology and the improvement of environmental protection requirements, in the production process of automobile and parts, the parts cleaning process also puts forward higher requirements for cleaning equipment and cleaning agents. The general requirements for cleaning automobile metal parts are as follows: the cleaning speed is fast, and the dirt on the metal surface can be completely removed within the cleaning time set by the cleaning machine process; No corrosion to the cleaning machine and cleaned parts; The cleaning agent has the advantages of low cost, environmental protection and mild smell; During the cleaning process, no insoluble matter remains on the surface of the cleaning object, no new dirt is generated, no new covering layer harmful to subsequent processes is formed, and the product quality is not affected.
工程师清洗剂时不仅要满足工艺要求,还必须在清洗设备及清洗方式、清洗零部件材质、零件表面污垢类型以及下一道工序、水质和车间环境等众多要素之间做到权衡。
When recommending cleaning agent, the Engineer shall not only meet the process requirements, but also make a trade-off between many factors such as cleaning equipment and cleaning method, cleaning part material, part surface dirt type, next process, water quality and workshop environment.
常用的清洗设备包括:浸入式清洗、喷淋清洗、高压喷淋清洗以及超声波清洗设备。
Common cleaning equipment includes immersion cleaning, spray cleaning, high-pressure spray cleaning and ultrasonic cleaning equipment.
浸入式清洗一般清洗的零部件为多腔体,要求清洗剂具有较强的清洗能力,对于清洗剂消泡性能要求不高,但要求清洗剂具有一定的乳化杂油的能力,这样才能保障零部件在清洗并被取出清洗剂后不会被清洗掉的杂油二次污染其表面。乳化杂油能力强的清洗剂缺点是清洗剂清洗能力逐步降低,导致清洗剂使用寿命较短。
Generally, the parts to be cleaned by immersion cleaning are multi cavity, which requires the cleaning agent to have strong cleaning ability, and the defoaming performance of the cleaning agent is not high, but the cleaning agent is required to have a certain ability to emulsify miscellaneous oil, so as to ensure that the surface of the parts will not be polluted by the cleaned miscellaneous oil after the cleaning agent is taken out. The disadvantage of the cleaning agent with strong emulsified miscellaneous oil ability is that the cleaning ability of the cleaning agent is gradually reduced, resulting in short service life of the cleaning agent.
汽车变速器零部件的清洗大多采用通过式喷淋清洗机,一般分为清洗—漂洗—烘干三个过程,个别情况根据工艺要求而变化,清洗—清洗—漂洗—烘干或清洗—漂洗—漂洗—烘干。喷淋清洗机配有撇油器,采用抗杂油能力较强的清洗剂可以提高清洗剂的使用寿命。如清洗的变速器零部件材质一般为锻钢,零部件表面污物多为低粘度切削液,选用清洗剂时在考虑清洗能力的同时要考虑清洗剂的消泡能力,一般情况下,随着清洗剂温度的升高,其去污能力也随之提高,但超过一定温度后,去污能力反而下降,清洗剂时要考虑一个适宜的温度范围。另一方面,由于漂洗清洗剂浓度一般较低,范围在0.5%~1.5%,要求清洗剂具有较好的防锈能力。
全自动超声波清洗机
The cleaning of automobile transmission parts mostly adopts the through spray cleaning machine, which is generally divided into three processes: cleaning rinsing drying. Individual conditions change according to the process requirements, cleaning cleaning rinsing drying or cleaning rinsing rinsing rinsing drying. The spray cleaning machine is equipped with an oil skimmer. The use of cleaning agent with strong anti impurity oil ability can improve the service life of the cleaning agent. For example, the cleaned transmission parts are generally made of forged steel, and the dirt on the surface of the parts is mostly low viscosity cutting fluid. When selecting the cleaning agent, the defoaming ability of the cleaning agent should be considered while considering the cleaning ability. Generally, the decontamination ability increases with the increase of the temperature of the cleaning agent, but the decontamination ability decreases after exceeding a certain temperature, An optimum temperature range should be considered when recommending cleaning agents. On the other hand, because the concentration of rinsing cleaning agent is generally low, ranging from 0.5% to 1.5%, the cleaning agent is required to have good anti rust ability.
高压喷淋清洗机在去除零部件表面污物的同时还可去除金属表面毛刺,零件多采用定位和定点喷淋方式,要求清洗剂在高压下有很好的抵抗泡沫能力。
High pressure spray cleaning machine can remove metal surface burrs while removing the dirt on the surface of the components, and the parts are mostly positioned and fixed spray. The cleaning agent is required to resist foam at high pressure.
一些特定工艺条件下,清洗剂时必须要考虑对后面工序的影响,如在某变速器轴、齿生产工艺流程中:磨齿—喷淋清洗(中间清洗)—抛丸—喷淋清洗(终洗),其中喷淋中间清洗过程要考虑,清洗剂清洗零件烘干后,零部件表面不能有粘性清洗剂残留或覆盖膜。。
Under some specific process conditions, the impact on subsequent processes must be considered when recommending cleaning agent, such as on a transmission shaft In the tooth production process: gear grinding - spray cleaning (intermediate cleaning) - shot blasting - spray cleaning (final cleaning), which shall be considered in the spray intermediate cleaning process. After the parts are cleaned with cleaning agent and dried, there shall be no viscous cleaning agent residue or covering film on the surface of the parts..
我们都知道,清洗剂主要是用于去除工件表面的切削液、磨灰以及金属颗粒物等,并提供短期的防锈作用。一般清洗剂的防锈能力在湿度、温度高的车间条件下,不足以保证工序间防锈,特别是在夏季车间湿度、温度较高的情况下。
As we all know, cleaning agents are mainly used to remove cutting fluid, grinding ash and metal particles on the workpiece surface, and provide short-term rust prevention. The antirust ability of general cleaning agents is not enough to ensure the antirust between processes under the workshop conditions of high humidity and temperature, especially under the conditions of high humidity and temperature in the workshop in summer.