ã€China Aluminum Network】
First, the cause of the surface damage of the glass partition aluminum profile:
1 The surface of the ingot has foreign matter or segregation of ingot components. When a large amount of segregated precipitated material exists on the surface of the ingot and the ingot is not homogenized or homogenized, the ingot has a certain amount of hard metal particles, and the metal flows through the working belt during the extrusion process. These segregated precipitates or hard metal particles adhere to the surface of the working belt or cause damage to the working belt, resulting in scratches on the surface of the profile.
2 There are debris on the mold cavity or working belt, the working belt hardness of the mold is low, so that the work belt surface is injured when the extrusion and scratches the profile;
3 The exposed metal or graphite bars in the discharge track or oscillating plate have hard inclusions, which cause scratches on the surface of the profiles when they come in contact with the profiles;
4 When the fork bar is sending the profile from the discharge rail to the swing bed, the profile is damaged due to excessive speed;
5 caused by artificial dragging profiles on the swing bed caused by scratches;
6 The friction or extrusion between the profiles causes damage during transport.
Second, the glass partition aluminum surface damage solution:
1 to strengthen the control of the quality of the ingot;
2 to improve the quality of mold repair, the mold periodically nitrided and strictly enforce the nitriding process;
3 Use soft felt to separate the profiles from the auxiliary tools to minimize the contact damage between the profiles and the auxiliary tools;
4 Handle with care in production, try to avoid arbitrarily dragging or turning profiles;
5 Reasonably arrange the profiles in the material box to avoid friction with each other.
Third, how to identify the quality of glass partition wall aluminum quality:
6063 alloy is an alloy prepared with Al, Mg and Si as the main elements, each element has a certain range of content, and the price of magnesium is high. In order to reduce costs, some manufacturers use less magnesium to allow less content. In some cases, the content of magnesium is lower than the allowable amount. Some factories add waste wires and waste pot aluminum waste pots to alloys, basically no 6063 alloy. As a result, the mechanical strength of aluminum profiles is very low, and it can be as low as bending with two hands and one bend. Commonly referred to as "noodles" as soft. This is one of the reasons why aluminum can be a few thousand dollars cheaper.
Regular aluminum manufacturers have internal standards when formulating alloy components, that is, within the range of various element contents, each factory has its own smaller range of variation, and the aluminum, magnesium and silicon ratios are very strict. Each plant has its own data and is confidential. Qualified formula-made alloys can guarantee the quality. Otherwise, the quality will not increase.
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