With the advancement of cast iron technology and the application of resin sand production lines, mass production of integrally cast ductile iron bodies has become possible. However, due to the large changes in the structure and material of the body compared to the original cast welding body, some new problems have appeared in the deep hole processing, water pressure, scribing, thread processing and repair processing errors. Through the exploration in practice, Successfully solved the problems in processing.
Cast iron body processing technology. The main bearing bolt and the cylinder bolt threaded hole are machined. The main bearing bolt has a threaded hole depth of 230 mm, the cylinder bolt thread hole depth is 140 mm, and the machining precision is 4H5H thread. Because it is made of ductile iron material, it is blind hole processing, and due to the structure of the body, the chip depth is shallow, so the chip removal is not smooth, and the thread quality problem is very easy to occur. Using the traditional processing technology, the one- and two-cone spiral taps are tapped by the radial-arm drilling machine, and the thread is processed. First, the verticality of the threaded hole does not meet the design requirements, and the second is because the threaded holes of the two times are different. The heart causes the bolt to not screw down. To this end, the company specializes in the mechanical manufacturing process and equipment of the Railway Institute, with a bachelor's degree in engineering, and is now engaged in the work of locomotives. The technologically advanced content chip tap and the extended tool holder with high precision and overload protection make reasonable tap length and chip space, ensuring sufficient volume of the body to make the process smooth. The thread is machined once in the machining center, and the efficiency is more than doubled, and the processing quality is guaranteed. Due to the lower density of cast iron than cast steel, the safety of the original body hoisting position is reduced. To solve this problem, three kinds of cranes are used: wire rope sling nylon magnetic block, hook coated polyurethane and nylon sling. With the program, and the lifting position of different stations have been tested and specified. The utility model adopts a common steel wire rope and the hoisting position is protected by a nylon magnetic block with a hinged page. The operation is simple, safe and reliable, and the body is protected from damage during lifting.
Product advantages:
1. 100% fresh aluminum alloy 6063-T5, iron containing is less than 2% , sturdy and durable, full thickness 3.0mm.
2. 3 layer PVDF color coating, thickness more than 80 microns, excellent weather resistance, never fade,More upscale appearance.
3. 100% fresh virgin Bayer polycarbonate sheet, 30-50 micron anti-UV coating, can withstand 75% ultraviolet light, impact strength is 300 times that of ordinary glass, 10 years warranty.
4. The motor adopts the domestic leading brand and is guaranteed for 10 years.
5. Rugged and novel internal design, 3.0mm thick aluminum alloy profile, 4-10mm high strength impact resistant endurance board, can withstand snow loads of 30 to 45 cm.
6. High anti-aluminum structure provides maximum safety even in strong winds (strongest 12 winds) (34m / s strong wind).
Novel structure and easy installation
7. Packaging, protecting the product during shipping and making it easier to install.
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FOSHAN KASO BUILDING MATERIAL CO.,LTD , https://www.kasocover.com