怎么做才能减少镀锌卷加工变形的问题?

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镀锌板零件变形的原因很多，与材料、形状和生产条件有关。由于镀锌线圈零件热膨胀系数大，在薄壁加工过程中容易变形。在实际操作中，操作方法也很重要。那么，减少镀锌线圈加工变形的操作技巧是什么？这里，镀锌板生产厂家的技术人员为您解答：
在加工镀锌带空腔零件时，尽量不要让铣刀在加工空腔时像钻头一样直接插入零件内，造成铣刀切屑空间不足，排屑不顺畅，导致零件过热膨胀，以及刀具破损等不利现象。首先用与铣刀尺寸相同或更大的钻头钻孔，然后用铣刀铣削。

如何减少镀锌线圈的变形？
还应注意镀锌卷取机的顺序。粗加工的重点是提高加工效率，追求单位时间内的去除率。一般情况下，可以使用反向铣削。换言之，毛坯表面多余的材料以最快的速度和最短的时间被切断，以基本形成所需的几何轮廓。精加工的重点是高精度和高质量，所以最好采用下铣。由于切削齿的切削厚度从最大值逐渐减小到零，大大降低了加工硬化程度，同时减少了零件的变形程度。
如果镀锌线圈零件上有一个以上的空腔，在加工过程中不宜采用一个空腔和一个空腔的顺序加工方法，容易因应力不均匀而导致零件变形。采用多层加工，每一层尽可能同时加工到所有空腔，然后再加工下一层，使零件受力均匀，减少变形。

There are many reasons for the deformation of galvanized coil parts, which are related to the material, shape and production conditions. Due to the large thermal expansion coefficient of galvanized coil parts, it is easy to deform in the process of thin-wall machining. In the actual operation, the operation method is also very important. Then, what is the operation skill of reducing the processing deformation of the galvanized coil? Here, the technician of the galvanized coil manufacturer answers for you:

When processing the parts of the galvanized tape cavity, try not to let the milling cutter directly plunge into the parts like a drill bit when processing the cavity, resulting in the insufficient chip space of the milling cutter and the unsmooth chip discharge, resulting in the overheating and expansion of the parts, as well as the disadvantageous phenomena such as cutter breakage. First, use a drill with the same size or a larger size as the milling cutter to drill the hole, and then use the milling cutter to mill.
How to reduce the deformation of galvanized coil?
The sequence of galvanizing coiler should also be paid attention to. The emphasis of rough machining is to improve the processing efficiency and pursue the removal rate within unit time. Generally, reverse milling can be used. In other words, the superfluous material on the surface of the blank is cut off with the fastest speed and the shortest time to basically form the required geometric profile for finishing. The emphasis of finish machining is high precision and high quality, so it is better to use down milling. Because the cutting thickness of the cutter teeth gradually decreases from the maximum to zero, the work hardening degree is greatly reduced, and the deformation degree of the parts is reduced at the same time.
If there are more than one cavity on the galvanized coil parts, it is not suitable to adopt the sequential processing method of one cavity and one cavity in the processing, which is easy to cause the parts to be deformed due to the uneven stress. The multi-layer machining is adopted, each layer is processed to all cavities at the same time as much as possible, and then the next layer is processed, so that the parts are evenly stressed and the deformation is reduced.