ã€ALUMINIUM NETWORK】Main Cause Analysis: The primary issue arises from inadequate air cooling at the extruder's exit, causing the aluminum extrusion to come into contact with the oscillating bed while still at a high temperature. This uneven cooling leads to a significant difference in the cooling rate at the contact area compared to other parts of the profile. As a result, a thick layer of Mgâ‚‚Si phase precipitates, which turns dark gray after anodizing.
Solution: 1. Increase the intensity of air cooling to prevent excessive spacing between profiles on the swing bed and ensure a more uniform temperature gradient during cooling. This will help reduce thermal stress and minimize the formation of Mgâ‚‚Si phases.
2. For factories with the necessary conditions, it is recommended to implement a combined cooling system that includes both atomized water cooling and air cooling. This dual approach can effectively eliminate dark spots by ensuring consistent and thorough cooling across the entire surface of the extruded profile.
By addressing these factors, manufacturers can significantly improve the quality and appearance of their aluminum products, reducing defects and enhancing overall performance.
The offered elevator COP is used in elevator for operating the elevator car from one floor to another. The provided elevator COP is manufactured using best quality components as per the industry standards at our manufacturing unit.
COP is provided in the car in every installation with micro movement illuminated push buttons or feather touch click buttons especially of Dot and Square matrix type with LCD, LED or TFD displays, fixed on steel plates or hairline finish.
We can provide all kinds of COP, and we can also customize the size.d
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