在 CNC 零件的制造旅程中，镀层质量如同零件的 “华丽外衣”，不仅关乎外观美感，更直接影响其耐腐蚀性与使用寿命。然而，零件表面残留的油污就像顽固的 “拦路虎”，阻碍着优质镀层的形成。高压清洗机凭借强大的清洁能力，化身冲锋陷阵的 “清洁勇士”，在去除油污、提升 CNC 零件镀层质量的战场上大展身手。

　　In the manufacturing process of CNC parts, the quality of the coating is like the "gorgeous coat" of the part, which not only affects its appearance beauty, but also directly affects its corrosion resistance and service life. However, the residual oil stains on the surface of the parts are like stubborn "roadblocks" that hinder the formation of high-quality coatings. The high-pressure cleaning machine, with its powerful cleaning ability, transforms into a "cleaning warrior" charging forward, demonstrating its skills on the battlefield of removing oil stains and improving the quality of CNC parts coating.

　　CNC 零件在加工过程中，油污的产生难以避免。切削液、润滑油等在加工时附着于零件表面，形成一层薄薄的油膜。这些油污看似不起眼，却会在零件进行镀层处理时引发诸多问题。油污的存在会破坏镀层与零件表面的结合力，导致镀层出现起泡、剥落等缺陷；还会影响镀液的均匀分布，使镀层表面产生麻点、色泽不均等情况，严重降低镀层质量。因此，在进行镀层工艺前，彻底清除零件表面油污成为关键一步，而高压清洗机正是解决这一难题的得力工具。

　　During the machining process of CNC parts, the generation of oil stains is difficult to avoid. Cutting fluid, lubricating oil, etc. adhere to the surface of the parts during machining, forming a thin oil film. These oil stains may seem inconspicuous, but they can cause many problems during the coating treatment of parts. The presence of oil stains can damage the adhesion between the coating and the surface of the parts, leading to defects such as blistering and peeling of the coating; It will also affect the uniform distribution of the plating solution, causing pitting and uneven color on the surface of the coating, seriously reducing the quality of the coating. Therefore, thoroughly removing oil stains from the surface of the parts before the plating process becomes a crucial step, and high-pressure cleaning machines are a powerful tool to solve this problem.

　　高压清洗机能够高效去油污，得益于其独特的工作原理。它通过水泵将水加压，使水流以极高的速度喷出，形成具有强大冲击力的高压水柱。这股高压水柱如同 “无形的利刃”，能够瞬间冲破零件表面的油污层，将附着的油污剥离。同时，高压水流在冲击零件表面时会产生空化效应，水流中的微小气泡在高压下迅速破裂，产生巨大的能量，进一步瓦解顽固的油污，将其分解成细小颗粒，随水流冲走。无论是零件表面的平面区域，还是复杂的沟槽、孔洞等隐蔽部位，高压清洗机都能凭借强劲的水流深入其中，实现全方位、无死角的清洁。

　　High pressure cleaning machines can efficiently remove oil stains, thanks to their unique working principle. It pressurizes water through a water pump, causing the water flow to spray out at extremely high speeds, forming a high-pressure water column with strong impact force. This high-pressure water column is like an "invisible blade" that can instantly break through the oil stains on the surface of the parts and peel off the attached oil stains. At the same time, high-pressure water flow will produce cavitation effect when impacting the surface of the parts. The tiny bubbles in the water flow will quickly burst under high pressure, generating huge energy, further decomposing stubborn oil stains into small particles, which will be washed away with the water flow. Whether it is the flat surface area of the part or the hidden parts such as complex grooves and holes, the high-pressure cleaning machine can penetrate deep into it with strong water flow, achieving all-round and blind spot cleaning.

　　为了更好地去除油污、提升清洗效果，高压清洗机在实际操作中还会搭配专用的清洗剂。针对不同类型的油污，选择相应特性的清洗剂，如碱性清洗剂对于动植物油有良好的乳化和皂化作用，能够将油污分解成可溶于水的物质；有机溶剂型清洗剂则对矿物油有较强的溶解能力。在清洗时，先将清洗剂按照合适的比例与水混合，再通过高压清洗机喷出。清洗剂在高压水流的作用下，能够更快速地渗透到油污内部，加速油污的分解和剥离过程。同时，清洗剂还能在零件表面形成一层保护膜，防止清洗后的零件表面再次吸附油污，为后续的镀层工艺提供更洁净的表面。

　　In order to better remove oil stains and improve cleaning efficiency, high-pressure cleaning machines are also equipped with specialized cleaning agents in practical operation. Select cleaning agents with corresponding characteristics for different types of oil stains, such as alkaline cleaning agents, which have good emulsification and saponification effects on animal and vegetable oils, and can decompose oil stains into water-soluble substances; Organic solvent based cleaning agents have strong solubility for mineral oil. When cleaning, first mix the cleaning agent with water in the appropriate proportion, and then spray it out through a high-pressure cleaning machine. Under the action of high-pressure water flow, cleaning agents can penetrate into the interior of oil stains more quickly, accelerating the decomposition and peeling process of oil stains. At the same time, the cleaning agent can also form a protective film on the surface of the parts to prevent the cleaned parts from adsorbing oil stains again, providing a cleaner surface for subsequent coating processes.

　　使用高压清洗机清洗 CNC 零件时，操作参数的合理设置至关重要。清洗压力是影响清洗效果的关键因素之一，压力过小，水流冲击力不足，难以彻底清除油污；压力过大，则可能对零件表面造成损伤，尤其是对于一些材质较软或表面精度要求高的零件。因此，需要根据零件的材质、结构以及油污的顽固程度，精确调整清洗压力。一般来说，对于普通金属零件且油污较轻的情况，较低压力即可满足清洗需求；而对于油污较重或材质较硬的零件，则需适当提高压力。清洗时间也需要严格把控，时间过短，油污清洗不彻底；时间过长，不仅浪费资源，还可能对零件产生不良影响。通常会通过试验和经验总结，确定每种类型零件的最佳清洗时间。此外，清洗的角度和距离也会影响清洗效果，操作人员需要不断调整高压清洗机喷头与零件的角度和距离，确保水流能够充分覆盖零件表面，达到最佳的清洗效果。

　　Reasonable setting of operating parameters is crucial when using a high-pressure cleaning machine to clean CNC parts. Cleaning pressure is one of the key factors affecting the cleaning effect. If the pressure is too low and the water flow impact is insufficient, it is difficult to completely remove oil stains; Excessive pressure may cause damage to the surface of parts, especially for parts with soft materials or high surface accuracy requirements. Therefore, it is necessary to accurately adjust the cleaning pressure based on the material, structure, and degree of oil contamination of the parts. Generally speaking, for ordinary metal parts with light oil stains, lower pressure can meet the cleaning requirements; For parts with heavy oil stains or hard materials, it is necessary to increase the pressure appropriately. The cleaning time also needs to be strictly controlled. If the time is too short, the oil stains may not be thoroughly cleaned; Excessive time not only wastes resources, but may also have adverse effects on parts. Usually, the optimal cleaning time for each type of component is determined through experimentation and empirical analysis. In addition, the angle and distance of cleaning can also affect the cleaning effect. Operators need to constantly adjust the angle and distance between the high-pressure cleaning machine nozzle and the parts to ensure that the water flow can fully cover the surface of the parts and achieve the best cleaning effect.

　　经过高压清洗机的深度清洁，CNC 零件表面的油污被彻底清除，呈现出洁净、光洁的状态。这种干净的表面为镀层工艺创造了理想条件。在进行镀层时，镀液能够均匀地附着在零件表面，与零件基体紧密结合，形成致密、均匀的镀层。镀层的附着力、耐腐蚀性和外观质量都得到显著提升，有效延长了 CNC 零件的使用寿命，使其在各种复杂工况下都能保持良好的性能。

　　After deep cleaning by a high-pressure cleaning machine, the oil stains on the surface of CNC parts are thoroughly removed, presenting a clean and smooth state. This clean surface creates ideal conditions for the plating process. When coating, the plating solution can uniformly adhere to the surface of the part, tightly bond with the part substrate, and form a dense and uniform coating. The adhesion, corrosion resistance, and appearance quality of the coating have been significantly improved, effectively extending the service life of CNC parts and enabling them to maintain good performance under various complex working conditions.

　　从与油污的激烈对抗，到为优质镀层奠定基础，高压清洗机在 CNC 零件制造过程中扮演着不可或缺的角色。它以强大的清洁能力，成功攻克油污难题，助力 CNC 零件从 “油垢缠身” 迈向 “镀层完美”，为制造业的高质量发展贡献着重要力量。

　　From the fierce battle against oil pollution to laying the foundation for high-quality coatings, high-pressure cleaning machines play an indispensable role in the manufacturing process of CNC parts. It has successfully overcome the problem of oil pollution with its powerful cleaning ability, helping CNC parts move from "oil stains" to "perfect coating", and contributing an important force to the high-quality development of the manufacturing industry.

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