The heat flux Q of the plate fin type radiator is significantly increased after the round wall thickness is cut out. Therefore, compared with the round steel tube, the heat conduction capacity of the laser welded finned tube radiator is greatly improved.The heat conduction capacity of the laser welding fin tube radiator increases with the expansion of the wing height h, and decreases with the expansion of the wing thickness. However, the harm of the height of the wing to the heat conduction capacity of the fin tube radiator is greater than that of the fin thickness. Therefore, when the fin tube radiator is produced by drilling extrusion forming, it can get a large wing height and suitable thickness according to the main parameters of the processing process, and then get the best practical effect of heat conduction.
Improve the structure of parts and improve the characteristics of parts. Save maintenance costs, many imported product component design scheme also has shortcomings, we carry out improvement on its structure, such as capping machine. The core rod is the key part of the capping machine. It moves up and down 150 times every minute. The geometric figure of its appearance is zomm in length and 10 in diameter. There is a through hole in the middle of the rod (for serial core application). The core moves 150 times / min in the middle of the rod at the same time, which is used to calibrate the aluminum cover, However, due to the 4 mm burying hole in Shanghai, the length of the meter core is zomm and the thickness of the meter core is quasi-uniform~ The compressive strength of the machine rod is greatly reduced, and the broken rod often occurs in the application, which leads to a very big difficulty factor for the production and manufacture of spare parts. We bought 213 yuan per piece, and carried out the following improvements. The watch core rod is made into a solid mandrel, and the appearance geometry specifications are the same as the original. Only drill a hole with diameter of 8.5 and depth of 25 below to install the new small watch core. Make a new small watch core and weld it to the top of the cover.
A small spring of 8 is added between the core rod and the cover to ensure the calibration of the core to the aluminum cap and the bottle discharge. After the improvement, the project cost is 60 yuan / piece, and the practical effect is good. There is no broken bar, and the difficulty coefficient of production and manufacturing is greatly reduced, and the product cost is reduced. According to more than ten years of practical activities, so that we have some grasp of the purchase of equipment, in the domestic production of accessories, not only for general parts, but also for some important key parts to carry out improvement, so as to save money, and produce great economic benefits to the company. The average environmental protection and energy saving is 10%, up to 30%; Lift the machine, reduce the friction damage and temperature reasonably; Maintain the precision of machinery and equipment, increase equipment maintenance cycle time, reduce the frequency of grease oil change; Excellent corrosion resistance, antirust treatment and oxidation resistance; Significant economic benefits, zero pollution, no adverse reactions, real environmental protection products.
