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What precautions should be taken when extruded aluminum t slot products are put into quenching
Release time:
2023-02-03 14:42
Source:
(1) Extruded aluminum t slot products with severe bending and twisting should be pre-straightened before quenching. Especially extruded aluminum t slot products with variable cross-section must be strictly pre-corrected before quenching. Otherwise, the extruded aluminum t slot products produced are also crooked, which is not easy to apply.
(2) When quenching in the quenching furnace, the extruded aluminum t slot products should be extruded with the front end upward, and the extruded aluminum t slot products with a thickness not greater than 3mm and the extruded aluminum t slot products with a secondary extrusion should be extruded with the tail end upward.
(3) The extruded aluminum t slot products must be bundled with aluminum wires before being quenched into the furnace, and the large parts of the variable section industrial extruded aluminum t slot products cannot be attached to each other, so as not to affect the circulation of hot air and cause uneven heating.
(4) The extruded aluminum t slot products of adjacent specifications can be quenched with the furnace, but the guarantee time is calculated according to the large specification.
(5) The furnace temperature before charging should be close to the heat treatment heating temperature, and it is not allowed to charge the furnace at a temperature higher than the specified temperature.
(6) In order to ensure uniform heating, the heating time during quenching heating should be controlled. The heating time during quenching heating is generally 30-35s.
(7) The water temperature before quenching of extruded aluminum t slot products is generally 10-35°C. For extruded aluminum t slot products with a thickness equal to or greater than 60mm and extruded aluminum t slot products with complex shapes and large differences in wall thickness, the quenching water temperature can be appropriately increased, generally 30-50 °C.
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Tel: 86-512-53640771
Fax: 86-512-53640769
E-mail：sales@alumag.com.cn(Domestic sales)
export@alumag.com.cn(Export)
Web:http://www.alumag.com.cn/
Address: No. 9, Xingang East Road, Liujiagang, Fuqiao Town, Taicang City, Jiangsu Province, China