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How does processing load influence Metal Cutting Carbide Circular Blades During Use?

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How does processing load influence Metal Cutting Carbide Circular Blades During Use?


During metal cutting and slitting, tungsten carbide circular blade for cutting tool is easy to deform until removed in form of chips. Deformation process requires much energy, and carbide circular knives for metal cutting will bear a variety of mechanical, thermal, chemical and friction loads. This loads will cause wear and tear of tungsten carbide circular blade for cutting tool eventually. Therefore, in order to achieve exordinary metal cutting process, it is necessary to balance energy consumed by tungsten carbide circular blade for cutting tool,when cutting metal and ability of carbide circular knives for metal cutting to stably carry the cutting load.


With correct understanding and treatment of cutting parameters, groove type, material and other factors, mechanical engineers can realize efficient and economical metal cutting process. Mechanical load is relatively stable in turning, but it will change from small to large and then to small in milling. This passage analysis will focus on processing load's influence of carbide blade for cutting tools.


processing load of corrugated cardboard


Processing load

Pressing loads acting on tungsten carbide circular blade for cutting tool are divided into four basic categories: mechanical, thermal, chemical and friction.


Mechanical pressure will accelerate blades wear and failure. Intermittent cutting caused by porosity or slag inclusion in machined parts will produce impact load, which will lead to breakage or breakage carbide circular knives for metal cutting .


配图2


Thermal load due to deformation of workpiece material will generate heat, which will cause  temperature to rise to 800-900 degrees Celsius, resulting in deformation and blunt metal cutting carbide circular blades.Combination of heat and pressure can also cause chemical changes between cutting material and workpiece material, resulting in diffusion or deep pit wear.


Friction between carbide blade and chip will produce friction wear and erosion wear, which is result of friction load. Through tribological inspection of contact between surfaces, it can be determined how much influence they will have on each other's shape change under specific temperature and pressure.


配图3


Four load categories are not independent, but result of interact and comprehensive influence. Power of machine, rigidity of fastening device, and even skills of machine operator will affect processing effect. Interaction of loads can produce various results, and eventually lead to tool wear and failure.


End of speed and predictability of blade service life depends on ability of carbide circular knives for metal cutting to withstand load generated. In order to prolong service life and ensure  process safety, processing load must be reduced to a level lower than tool load bearing capacity within a certain period of time. Key factors affecting this capability include cutting groove type, cutting material and coating.

 


Kone Carbide Tool Co., Ltd.
 
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Add:  No. 777 Haike Road Cross-Strait Industrial Park Wenjiang, Chengdu,610000,P.R.China
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