For a cnc router machine, the spindle nut is only a small thing, but its importance cannot be ignored. It concerns the service life of cnc spindle or even the whole machine. Here is the point, the nut without balance correction will greatly shorten the service life of spindle motor and your wood router machine. Furthermore, it may cause problem of chatter mark on the engraving finish surface. 
Spindle nut models provided: ER11A, ER16A, ER20A, ER25UM, ER32UM and more. Each model has two types: common and lengthened. 

All the spindle nuts EagleTec supplies are dynamic ones. What is the benefit if using dynamic balance spindle nut? You can get three benefits:

First benefit, improve the engraving accuracy; make the carving work more exquisite and beautiful.

Second benefit, obviously reduce the noise and vibration of electric spindle so as to prolong the service life of the spindle motor.

Third, the vibration of the spindle motor is reduced; thereby the router cutter bit break rate is reduced.

 

The accuracy of spindle nut after balance correction is not more than 0.003 grams.

We found that 95% of the nuts which are on sale in the market now have not done dynamic balance correction. Using this nut will undoubtedly shorten the service life of your cnc router carving machine. Just imagine, nut without dynamic balance correction must have noisy working at speed of 24000 RPM. Noise represents vibration and vibration is the biggest damage to spindle motor bearings.

To learn more details of dynamic balance spindle nut, please click here. 

Dimension of each model

Note: The parameters of the common spindle nut and the lengthened nut are the same except for the height difference. Please check the dimension according to this form before you order.

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