型材批發(fā)廠家介紹，用擠壓方法生產(chǎn)型材的工藝。擠壓型材分空心型材和實(shí)心型材兩大類。空心型材是指橫斷面有一個(gè)或多個(gè)封閉通孔的型材。擠壓型材的品種和規(guī)格已超過3萬種，尤以鋁型材為最多，達(dá)2.4萬余種。其次是銅型材、鎂型材和型鋼以及塑料型材。
The process of extrusion method is introduced. Extruded profiles are divided into two categories: hollow sections and solid profiles. A hollow section is a section with one or more closed holes in a cross section. There are more than 30 thousand kinds of extruded profiles and specifications, especially aluminum profiles, with more than 2.4 million. Secondly, copper profiles, magnesium profiles and type steel and plastic profiles.
實(shí)心擠壓型材約占全部擠壓型材品種規(guī)格的65%，而異形斷面型材又占實(shí)心斷面型材的大部分，其次是空心擠壓型材，如鋁門窗型材，塑料門窗型材等。同其他方法諸如軋制、模鍛生產(chǎn)的型材相比，擠壓型材的強(qiáng)度較高。擠壓工具更換比較簡(jiǎn)單，可小批量生產(chǎn)。采用擠壓法生產(chǎn)復(fù)雜形狀制品，尤其是斷面變化很大的制品，可以大大減少機(jī)械加工量，減少金屬損耗，提高零件和結(jié)構(gòu)的使用性能。
The solid extruded profiles account for 65% of the total extrusion profiles, while the special-shaped section sections occupy the majority of solid section profiles, followed by hollow extruded profiles, such as aluminum door and window profiles, plastic door and window profiles and so on. Compared with other methods, such as rolling and die forging, the strength of extruded profiles is higher. The replacement of the extrusion tool is relatively simple and can be produced in small quantities. The extrusion process for complex shape products, especially those with large cross-section, can greatly reduce the amount of mechanical processing, reduce metal losses and improve the performance of parts and structures.
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