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Although they do not provide the same anti-micro-pull protection as negative chamfers, they are effective for finishing inserts made of advanced materials with a small depth of cut to maintain minimal cutting forces. Honing can also enhance the role of negative chamfer at the intersection of the front and back rake faces. When micro-bumps occur with ceramic roughing steel pieces, honing can relieve the stress at that location and strengthen the blade without widening the negative chamfer. In addition to specifying the best cutting edge for a particular machining operation, the tool designer must also optimize the cutting angle and be able to remove chips. By reducing the cutting force by increasing the relief angle, the stress on the tool is reduced and the temperature in the cutting zone is reduced. The value of the positive rake angle is as large as possible. The better cutting action also reduces the cutting force and widens the space of the chip flute. It helps to discharge the chips by increasing the discharge path, especially when drilling and threading.
Another method of maintaining a low tangential cutting force is high speed cutting. The high feedrate at very high spindle speeds reduces rather than increases the impact on the workpiece by as much as 75% to 90%, depending on the tool and machining parameters. Further, dry machining improves the thermal stability of the cutting process; the milling cutter is at least more accurately sized than five years ago; and modern milling and turning machines become stiff enough to eliminate excessive vibrations. All these developments support the use of crisp but harder and more durable tool materials.
Because of the high feed rate, the tool cuts the chips so much that most of the heat is left in the chips without time flowing to the workpiece and causing distortion. Although the cutting temperature is high, the thermal stability of the workpiece is better and it is more accurate than the conventional metal removal rate conditions. Low-impact finishing also minimizes static deformation of workpieces, fixtures, and machine tools, as well as the use of low-density material for mounting small-blade materials at lower feed rates per revolution at high line speeds. Because the supporting workpiece requires only a low clamping force, the fixture can be made simple without the need for a complex system of stiffeners, workpiece support and clamping elements. As a result, the machine tool feeds more on the faces of the box parts.
Taizhou Zhaochen Welding & Cutting Automation Equipment Co., Ltd. keeps track of the latest developments in CNC machine tools and adheres to the study of "the miniaturization of large CNC equipment." In view of the current equipment manufacturing industry, steel plate cutting uses traditional hand-line cutting or profiling cutting, which leads to low material utilization, poor cutting quality, large amount of post-processing (grinding), and unsightly post-welding of products, resulting in materials and energy. Great waste of manpower.
The most important tool component design in CNC machines is key
The most important part of the CNC machine tool design is critical. An important part of designing such a tool is the grinding of the cutting edge, which causes the cutting force to deviate from the edge of the insert and change its direction to its base body. It is appropriate to grind three such edges: negative chamfering, honing, and negative chamfering. A chamfer-like plane with a negative chamfer like a cutting edge, which replaces the thin, sharpened tip. The goal of the tool designer here is to find the minimum bandwidth and angle that will ensure sufficient strength and life of the cutting edge, as the blade is strengthened but also increases cutting force with increasing width and angle. Honing is used to passivate sharp cutting edges. Taizhou Zhaochen Welding & Cutting Automation Equipment Co., Ltd. is a high-tech enterprise integrating mechanical and electrical products, computer software and hardware research and development and sales. As a technology-based enterprise in the software export base of Taizhou, it always adheres to the idea of ​​“people-oriented science and technology†and actively absorbs it. All kinds of talents.