Application method of fine engraving and milling and causes of temperature change of main shaft

【1】Usage of fine engraving and milling

With the improvement of industrial mechanization,the utilization rate of fine engraving and milling is also increasing.But do you know how to use this kind of equipment?Although its use method is not very complex,some operation matters still need to be paid attention to.

How to use fine engraving and milling:

1.The engraving and milling path needs to be programmed to determine the parameters of the workpiece to be processed.When the path is generated,color lines will be generated for words or models.

2.Input the detailed engraving and milling path and input the control software at the same time.Generally,the input program format of the engraving and milling machine control system is NC and MMG.If the format is not supported,it needs to be converted.

3.Check whether there are sundries on the engraving and milling machine,such as fragments,stone powder,etc.if there are sundries,they need to be cleaned up,otherwise it will affect the integrity of workpiece processing.

4.Carry out tool setting,determine the coordinates of the processed workpiece,align the origin of each axis of the equipment with the original point,and clear the data.

5.Check whether the water circulation in some processing processes is normal and whether the speed of equipment adjustment is reasonable.

6.Start the engraving and milling machine for processing.After processing,see the effect.If you are satisfied,the engraving and milling work of the engraving and milling machine will be completed.

【2】Causes of temperature changes in the spindle of carving and milling parts

During the use of fine carving and milling parts,the spindle often needs to rotate at high speed.Operators will find that the temperature of the spindle will change.What are the reasons for the change of spindle temperature?Xiaobian makes a detailed analysis for you from both internal and external aspects.

Internal causes of spindle temperature change

Although the internal structure of the main shaft of the detailed carving and milling parts produced and designed by different manufacturers is different,the basic principles are similar,that is,the front and rear groups of bearings support different sizes and materials.However,the main shaft is supported by the bearing,and the friction between them is reduced by the bearing itself.

When the spindle rotates,even if the friction of the bearing is quite small,the temperature of the spindle will still rise under high-speed rotation,and the temperature will rise with the acceleration of speed and the extension of time.

The heat generated by the bearing will be transmitted to the main shaft.Therefore,the internal reason for the temperature change of the main shaft is mainly due to the friction coefficient.When the bearing is damaged,the friction coefficient will increase and the temperature of the main shaft will continue to rise.At this time,if you want to solve the problem,you need to replace the bearing.

External causes of spindle temperature rise

There are many external reasons for the temperature rise of the spindle of fine engraving and milling parts.For example,if the chiller fails,the temperature of the spindle will rise because there is no external temperature control system support.At this time,we need to stop the operation immediately and repair the chiller.

In addition,seasonal factors are also a major reason for the change of spindle temperature.The rise of spindle temperature in summer is more serious than that in winter.This is because the temperature in the natural environment in summer is relatively high,which speeds up the rise of spindle temperature.