Celery Storage Aluminum Foil

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FAQ

What is the meaning of deep frozen

In general, the frozen layer of our home refrigerator can only reach -18 degrees, but also slow freezing, slow freezing will have a great impact on food nutrition and flavor.

What is the meaning of vacuum cooling in heat treatment

Placed for a period of time, known as cryogenic treatment, under normal circumstances are usually treated with liquid nitrogen.

Cryogenic treatment to improve what performance?

To improve the hardness and strength of the workpiece;Ensure the dimensional accuracy of the workpiece;Improve the wear resistance of the workpiece;

I would like to ask how the process of cryogenic treatment

The air is compressed to 0.5MPa, or 22.5MPa, can reduce the water cooling, after expansion machine (piston or turbine), the temperature dropped to close to the liquid temperature to the fractionation tower after liquefaction, become rich liquid, the liquid oxygen into a fractionating tower, liquid oxygen, nitrogen is directly sent out after heat exchanger. Inlet air cooling.

Can the cryogenic phase control the cooling rate?

1, the principle of liquid nitrogen refrigeration: storage of liquid nitrogen in the container through the liquid in the sublimation of heat to take away the heat of the workpiece heat. Liquid nitrogen refrigeration can not be reused after the need to add a new liquid nitrogen, a large range of cooling rate, cooling temperature range of 0-196 degrees C.

What is the meaning of cryogenic technology in the mechanical process, what is the specific practice?

Copper alloy, hard alloy, plastic, glass and so on to improve the uniformity of low temperature, stable size, reduce deformation, improve service life

How many changes in the properties of the cryogenic metal?

The name of the processing content specification / processing content of the original service life (sub / piece) after the service life (times / pieces)1 milling cutter milling keyway 7.5-2NT 40034352 step drilling hole Phi: 1.2, 23, 1331004163 milling cutter milling air hole Phi 11.5, 32-2NT

Ultra low pressure casting mold useful, how to arrange the process? Thank you

Cryogenic treatment in the connector industry and plastic mold industry has a large number of applications, connectors and plastic products industry production temperature is not high, about 300 degrees! Thus the mold in the production of hot and cold alternating stress is less, after doing a cryogenic treatment, the role of the stability of the size of the more obvious, tube time is longer!