SMM Network News: July 22nd, Lanzhou Aluminum Co., Ltd. hollow ingot production line put into trial production, and successfully produced the first batch of φ 546ppm hollow ingots, after inspection, the product appearance size and quality meet the "wrought aluminum and aluminum alloy round ingot industry standard" (YS/T67-2018), the internal grain size of the product reached the first class, adding a new variety for the company's aluminum alloy products. It also provides conditions for meeting the supply demand of hollow ingots in brother enterprises.
It is understood that φ 546 hammer 335 hollow ingots are large deformed aluminum alloy products with high difficulty in technical development. After receiving the production task, the company acted quickly and immediately held a special meeting to convey and implement the instructions and requirements of Chairman Yao Lin of Chinalco Group and the spirit of coordination of the aluminum processing department, mobilize management and technical personnel to obey the overall situation and overcome difficulties, and immediately set up a project team to organize and carry out the transformation of the production line.
In the face of new things that have never been met, while taking into account their own aluminum alloy output and the flat ingot supply plan of brother enterprises, the vast number of technical personnel of the company are under unprecedented pressure. with the enterprising spirit, rich experience in alloy production and scientific and orderly management coordination, we will try our best to promote the transformation of the production line. Based on the objective analysis of the existing site and tooling, and the demonstration of the feasibility of the transformation of hollow ingots, a reasonable project schedule is drawn up while reasonably organizing the flat ingot plan and inverting the construction period according to the trial production conditions.
In the early stage of preparation, after multi-party demonstration and improvement, Lanzhou Aluminum Industry determined the transformation plan of the production line: make full use of the company's existing 70,000 ton flat ingot casting production line, add auxiliary shaft, drainage system, tipping mechanism, electric control system, hollow ingot core cooling water system and φ 546max 335 horizontal hot top automatic oil slippery hollow ingot tooling and φ 120 horizontal ordinary hot top tooling and other equipment facilities, the transformation is compatible and switchable. It can produce not only hollow ingots, but also flat ingots and round bars. After the scheme was determined, the technical personnel involved in the project worked overtime to keep an eye on civil construction transformation, tooling manufacturing and delivery, on-site installation and commissioning, which ensured the smooth progress of the transformation work.
On July 22, the transformation project was put into trial production and produced hollow ingots, achieving the goal of production line transformation and product trial production 9 days ahead of schedule. Up to now, Lanzhou Aluminum Co., Ltd. has supplied 73 tons hollow ingots with 6 castings. The appearance size and internal quality of the products all meet the requirements of YS/T67-2018 industry standard.
At present, the hollow ingot production line of the company has met the demand of mass production, and the production process system has been compiled and implemented. In the next step, Lanzhou Aluminum Industry will ensure the smooth operation of the production line, ensure the demand and supply, constantly expand the variety of aluminum alloy products, enhance profitability and promote high-quality development while seriously doing a good job in eliminating defects in tooling and process optimization.
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