Explosive welding forming and interface microscopic analysis of titanium tube-titanium tube sheet

 For many processing workshops, processing high-strength titanium alloy workpieces is as difficult as climbing a slope. In order to solve this problem, machine tool manufacturers have increased the rigidity of milling machines and lathes, improved the damping performance of the spindle and the size of the machine frame, and improved the performance of the motor; these measures are to be able to provide the required large cutting force while reducing Harmful machine tool vibration to avoid reducing the quality of the workpiece and shortening the service life of the tool. In titanium processing, in order to optimize the tool system and obtain the largest metal removal rate, special attention needs to be paid to the performance of the machine tool that provides cutting force output, the characteristics of the contact part of the cutting edge of the cutting tool and the workpiece, and the connection between the machine tool and the tool Location-spindle coupling device.

If you can use the analogy principle of a variable-speed bicycle when purchasing large-scale special material processing equipment, you can achieve better results. People buy variable-speed bicycles for entertainment or exercise, but when riding, they always use the two or three shifting gears that feel the most comfortable. Tour de France athletes and other well-trained athletes not only pay attention to the various components of the car, but also use the advantages of each component (frame, pedals, transmission, wheels, etc.) to obtain the car whether it is climbing, Or the maximum power output when riding on flat ground.

The main design criteria of the machine tool HPX63 include a large cutting capacity, with a maximum machining diameter of 1050 mm and a workpiece height (Y-axis) of up to 1050 mm. The X-axis travel is 1000 mm, the Z-axis travel is 900 mm, and the pallet size is 630 mm. The speed of the B-axis turntable can reach 12rpm, with high torque and fast acceleration performance. The moving speed is fast, up to 32 m/min, the acceleration/deceleration is 0.5G, and the cutting feed rate is 12 m/min. The machine tool is specially designed for precision machining. The metallurgical process used makes the castings with the greatest rigidity. The axial slide of the spindle box is quenched, ground, and manually scraped. The positioning accuracy and repeat positioning accuracy are 0.001 mm. The spindle device of Mitsui Machine Tool can automatically compensate for temperature changes without requiring warm-up time. This company provides a variety of spindle options to meet the needs of users to choose the direct drive and gear drive, as well as the needs of different torques and speeds.

All in all, the HPX-63 machine tool has good robustness, rigidity, and accuracy. It is very suitable for the processing of titanium, Inconel, tool steel, stainless steel, and aluminum materials. It is suitable for the aerospace industry, energy industry, compressor, Molds, fixtures and tooling equipment, automobile prototype parts manufacturing, and general high-precision machining. In order to optimize the tool system, the spindle coupling device is required to maximize the transmission of machine tool power. Most of the tool products on the market are integral tools, and the spindle clamping force is relatively low. The rigidity of the coupling device is very limited, and the radial fit needs to be kept to a minimum specified value. In order to obtain stable end-face contact performance, a very tight tolerance level is required, so the processing cost is greatly increased.
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