高速电主轴的安装方法有哪些-深圳市顺源精密机械有限公司

What are the installation methods for high-speed electric spindles

Release time：2019-06-19 Click count：4126

High speed electric spindleThe device of the bearing should be determined according to the structure, size, and cooperative nature of the bearing components. The pressure should be directly applied to the end face of the tightly fitted ring, and should not be transmitted through the rolling elements. What are the general methods for selecting bearing devices?

1. Press into cooperation
When the inner ring of the high-speed electric spindle bearing is tightly fitted with the shaft, and the outer ring is loosely fitted with the bearing seat hole, a press machine can be used to press the bearing onto the shaft first, and then the shaft and bearing can be installed into the bearing seat hole together. When pressing, a soft metal material installation sleeve (copper or soft steel) should be placed on the end face of the bearing inner ring. The inner diameter of the installation sleeve should be slightly larger than the shaft neck diameter, and the outer diameter diameter should be slightly smaller than the inner ring retaining edge of the bearing to avoid pressing on the support frame.

2. Heating cooperation
The device method of using thermal expansion to transform tight cooperation into loose cooperation is a commonly used and labor-saving device method. This method is suitable for spindle bearing devices with large interference fit. Before hot installation, place the bearing or separable bearing ring into the oil tank and heat it evenly at 80-100 ℃. Then remove it from the oil and install it on the shaft as soon as possible. To prevent the inner ring end face from not fitting tightly to the shaft shoulder after cooling, the bearing can be tightened axially after cooling.

Apart from this High speed electric spindle When installing, it is also important to pay attention to the following points:
(1) Persist in cleaning the spindle bearings and their turnover, even small dust that cannot be seen by the eyes can have a negative impact on the bearings. So, it is necessary to maintain cleanliness around the bearings to prevent dust from entering.
(2) Use it carefully. Severe impact on bearings during use can cause scratches and indentations, which can become the cause of accidents. In severe situations, cracks and fissures may occur, so attention must be paid.
(3) We often emphasize the importance of proper handling of things because too many customers have used the wrong things in the device, causing damage to the bearings.
(4) When operating the spindle bearings, sweat on the hands can become a cause of rust, so it is important to use clean hands and preferably wear gloves.
　　
The above is a scientifically reasonable installation method for high-speed electric spindle bearings, hoping to be helpful to everyone.

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