Which shot is suitable for removing the oxide layer from the aluminum workpiece
For removing the oxide layer on aluminum workpieces, it is advisable to choose a softer media that will not excessively damage the aluminum surface. In this case, aluminum shots or stainless steel shots are ideal choices. Aluminum shots are made from pure aluminum and have a lower hardness, effectively removing the oxide layer while minimizing scratches and damage to the aluminum surface. Stainless steel shots can also be an alternative, as they are slightly harder than aluminum shots but still softer than cast steel shots, making them suitable for cleaning aluminum and other soft metals. When selecting, consider the surface requirements of the workpiece; if a finer cleaning is needed, smaller-sized aluminum shots might be preferred. Conducting a small-scale test in practice can help determine the most optimal media type and size.
