What if the chopper machine tool is easy to break?

What if the chopper machine tool is easy to break?

How to choose the chopping machine tool? How is the chopping machine tool broken easily? I will analyze it for you today:
The specific reason for the cutter cutter fracture.
The study concludes with the following recommendations on how to avoid such breaks:
Regarding the selection of the chopping machine knife, stainless steel should be selected, and ordinary tool steel such as 9SiCr or 8MnSi is not suitable.
And fatigue fracture and brittle fracture easily occur at high hardness. a method of using ordinary tool steel and plating to prevent contact contamination,
It is not advisable. The coating is brittle and easily peels off. Under the action of large stress, the coating is easily cracked, which causes pitting corrosion and becomes the root of the fracture.
Meat machining tools, especially chopping machine tools, are tools that work at high speeds.
The occurrence of cracks or even breaks during use has occurred, causing great concern in the industry.
To this end, Beijing Sinoman Tool Technology Co., Ltd. organized metal materials and failure analysis experts, the physical tools of a factory fracture,
Analytical research was carried out by means of experiments such as metal material failure analysis, and an analytical research report was proposed.
According to the research report, the fracture of the fractured blade was observed by scanning electron microscopy. The fracture of the blade showed fatigue fracture characteristics both macroscopically and microscopically.
This indicates that the blade is a fatigue fracture failure. The fracture originates from a pitting pit on the back of the knife. Therefore, the blade is at the point of rot.
Since the chrome layer is locally damaged or detached from the substrate and electrochemically corrodes the substrate to cause pitting corrosion pits, the use of the plating layer to prevent the tool from rusting may cause the tool to break.
After analyzing the material composition of the tool with the energy spectrometer, the measurement results are compared with GB1299-1985. The blade of the chopping machine is made of 8MnSi alloy tool steel.

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