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High Precision Dynamic Balance Spindle Nut ER11/16/20/25/32
Product Name:
High Precision Dynamic Balance Spindle Nut ER11/16/20/25/32
No. :
ER11A, ER16A, ER20A, ER25UM, ER32UM | Common and Lengthened
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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.

 dynamic correction spindle nut

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

Model

Tooth Distance

Outer Diameter

Height

Collet Size

Spanner

ER11A Common

M14x0.75

19mm

12mm

ER11

ER11A

ER11A Lengthened

M14x0.75

19mm

14mm

ER11

ER11A

ER16A Common

M19x1

28mm

18mm

ER16

ER16A

ER16A Lengthened

M19x1

28mm

20mm

ER16

ER16A

ER20A Common

M25x1.5

34mm

20mm

ER20

ER20A

ER20A Lengthened

M25x1.5

34mm

22mm

ER20

ER20A

ER25UM Common

M30x1

42mm

20mm

ER25

ER25A

ER25UM Lengthened

M30x1

42mm

26mm

ER25

ER25A

ER32UM Common

M40x1.5

50mm

23mm

ER32

ER32A

ER32UM Lengthened

M40x1.5

50mm

28mm

ER32

ER32A


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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