The use of linear shafts under vacuum requires special treatment to avoid the release of gas from the resin and the transpiration of grease, so it is necessary for us to choose products with high corrosion resistance. The way to avoid transpiration of grease on the linear shaft is to use vacuum grease. If general grease is used in a vacuum environment, the oil contained in the grease will evaporate, and the grease will lose its smoothness. Therefore, we often use vacuum-dedicated smooth grease, and choose fluorinated oil with a relatively low vapor pressure as the base oil for corresponding operation treatment.
The linear shaft is a method to avoid the release of gas from the resin of the coating equipment. The stainless steel linear optical axis uses stainless steel in the ball return device of the slider, and then reduces the gas escape. In a vacuum environment, a high-corrosion-resistant stainless steel linear shaft is used in practice. If it is in a high temperature environment such as baking, a high temperature dedicated tumbling shaft with strong heat resistance and corrosion resistance is used.
High-temperature austenitic stainless steel is used in the linear shaft, which has high corrosion resistance. Highly corrosion-resistant tumbling optical axis, free of smoothing operation. The all-solid smoothness developed under the vacuum environment, compared with the solid smoothing methods of other brands, has the characteristics of more excellent load resistance, wear resistance and tightness. If you don't use it loudly in a liquid and smooth environment, you can choose to use grease smooth or other smooth methods besides oil smooth. Its maintenance is a high-quality requirement.
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