The defect of
aluminum profile is an important factor leading to scrap. A small defect on the aluminum profile will scrap the entire cut-to-length aluminum profile. Due to the high added value of
aluminum profiles, aluminum profile manufacturers should try their best to reduce the occurrence of defects in aluminum profiles. 1. Non-extrusion cycle time: assuming that the production efficiency of the aluminum extrusion press is 30 aluminum rods per hour, and each non-extrusion cycle saves 10 seconds, then the extrusion time can be increased by 2 hours per day, 2 hours This means that the output is more than 8%, which is equivalent to reducing the conversion cost of 8% per kilogram of profile. 2. Downtime (operational interruption): The loss caused by the downtime is huge (in our example, the downtime loss is 48.00 yuan per minute), not to mention the loss of capacity due to no output during the downtime. 3. Extrusion speed: The production efficiency brought by outsourcing high-tech aluminum profile molds should be seriously considered. If the purchased aluminum profile mold can achieve a faster extrusion speed than the mold made by the extrusion manufacturer itself, then a moderate order can make up for the additional cost incurred by purchasing the mold. For example, assuming that the normal cost is 2,860.00 yuan/hour, the additional cost of purchasing high-tech molds is 10,000.00 yuan, as long as the extrusion speed increases by 50% and the basic production efficiency reaches 800 kg/hour, then an order of less than 10 tons It can make up for the extra cost of using high-priced molds. 4. The use of porous molds can increase the extrusion speed by 200% (2-hole mold) or even 300% (3-hole mold), and the economic benefits brought by it will be higher. One of the biggest advantages of using a modern aluminum profile tractor is that when the aluminum profile reaches the correct extrusion length, the tractor has the function of controlling the extruder to stop extrusion. This is similar to the non-extrusion cycle, but because the extruded aluminum profile is exactly the required length, there is no waste of extrusion time. Therefore, more cost can be saved, because while reducing waste, it also saves the links of conveying and recycling the extruded waste. After the aluminum profile is extruded from the extruder, the most important goal is to increase the output and the rate of shipment by reducing waste, and to send more products to customers. The cost of any waste generated after extrusion will be very high, so the production of waste must be reduced as much as possible in the subsequent process. To minimize the waste, it is necessary to realize the sawing at the parking mark (the parking mark refers to the mark left by the mold on the profile during the non-extrusion cycle). There are only two technologies that can realize sawing at the parking mark-namely flying saw cutting and dual length system. Flying saw cutting technology refers to sawing in the extrusion process. The flying saw cutting technology can cut the profile at the parking mark after the parking mark comes out of the extruder. The dual-length system means that after the second profile is extruded, it is cut between the first and second profile during the non-extrusion cycle. Both technologies have their own advantages. The dual-length system can provide air cooling time for two extrusion cycles, which is very beneficial for architectural alloys. However, the flying saw cutting system is less costly (equipment cost and plant space cost) and allows one-bar multi-cutting mode operation without stopping the extruder.
There is a strong need for more research on , in order to be able to provide strong and conclusive evidence of their aluminum window profile manufacturers effects. However, recent studies have provided valuable insights into how the intake of may result in improved aluminum extrusion rail.
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