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Titanium Alloy Milling Processing Method can Start from the Following Two Aspects!

Titanium Alloy Milling Processing Method can Start from the Following Two Aspects!

2022-07-07 15:39:40

Various properties of titanium alloy make it a powerful attractive part material, but many of them also affect its machinability. The milling method of titanium alloy is still very important.

 

CASTING

 

Titanium alloy milling requires appropriate conditions:

 

  1. Compared with most other metal materials processing, titanium processing not only requires higher requirements but also has more restrictions. However, if the appropriate tools are selected and used correctly, and the machine tool and configuration are optimized to the best state according to the titanium processing requirements, these requirements can be fully met, and satisfactory high performance and perfect results can be obtained. Many problems encountered in traditional titanium processing are not inevitable. As long as the influence of titanium properties on the processing process is overcome, success can be achieved.

 

  1. Titanium has an excellent strength-to-weight ratio, and its density is usually only 60% of that of steel. Titanium has a lower elastic coefficient than steel, so it has a harder texture and better flexibility. The corrosion resistance of titanium is also better than that of stainless steel, and the thermal conductivity is low. These properties mean that titanium metal will produce higher and more concentrated cutting forces in the machining process. It is easy to produce vibration and cause vibration during cutting; Moreover, it is also easy to react with the cutting tool material during cutting, which intensifies the wear of crescent pits. In addition, its thermal conductivity is poor. Because the heat is mainly concentrated in the cutting area, the cutting tool for processing titanium must have high thermal hardness.

 

Stability is the key to success:

 

  1. Some machining workshops find it difficult to process titanium effectively, but this view does not represent the development trend of modern machining methods and tools. Part of the reason why it is difficult is that titanium processing is an emerging process, which lacks the experience that can be used for reference. In addition, difficulties are usually related to expectations and operator experience, especially some people have been used to the processing methods of materials such as cast iron or low alloy steel, and the processing requirements of these materials are generally very low. In contrast, it seems more difficult to process titanium metal, because the same tool and the same speed cannot be used during processing, and the tool life is also different.

 

  1. Even compared with some stainless steel, titanium processing is still more difficult. We can certainly say that different cutting speeds, feed rates, and certain preventive measures must be taken to process titanium. Compared with most materials, titanium is also a completely direct processable material. As long as the titanium workpiece is stable, the clamping is firm, the machine tool is selected correctly, the power is appropriate, the working condition is good, and the ISO 50 spindle with short tool overhang is equipped, all problems will be solved - as long as the cutting tool is correct.

 

  1. However, in the actual milling process, it is not easy to meet all the conditions required for titanium processing, because the ideal stable conditions are not always available. In addition, many titanium parts have complex shapes and may contain many fine or deep cavities, thin walls, bevels, and thin brackets. To successfully process such parts, it is necessary to use large overhang and small diameter tools, which will affect the stability of the tools. Potential stability problems are often more likely to occur when processing titanium.
 
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