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Quiet Cut Spindle for Shapeoko CNC Router with ER11 Collets & Mounting Options

Here is a short tutorial to show the Quiet Cut Spindle from Inventables and to answer a few basic questions.

Shapeoko CNC router shown with Quiet Cut Spindle

#1 Question - How quiet is is? 

Very quiet. Please watch the video below to compare it to the standard rotary tool.


#2 How do I mount it?

Because the Quiet Cut Spindle is much shorter than a rotary tool you might find that you have to mount it lower. There are two good ways to do this. Option two is the preferred method because it gives you the maximum clearance under the gantry.


Option One - lower the MakerSlide
  1. Loosen the 4 screws securing the MakerSlide to the Z-axis
  2. Lower the MakerSlide so the cutting bit can reach the waste board
  3. Re-square the MakerSlide with the waste board
  4. Tighten the mounting screws
Option One, Step One - Loosen two screws at top of plate.
Option One, Step One - Loosen two screws at bottom of plate.
Option One, Step Three & Four - Lower MakerSlide, square it and tighten screws.

Option Two - swap the mounting block with the Delrin nut
  1. Remove the hardware holding the upper mounting block
  2. Remove the two screws holding the Delrin nut
  3. Lower the Z-axis plate below the end of the MakerSlide
  4. Attach the mounting block to the lower holes, where the Delrin nut was
  5. Manually turn the Z-axis screw so the Delrin nut raises up about an inch (25mm)
  6. Slide plate back onto MakeSlide and raise it till the holes line up for the Delrin nut
  7. Attach plate to Delrin nut with the same screws you removed
Option Two - swap Delrin nut position, shown by yellow pointer, with upper mounting block.
Option Two, Step One - remove upper mounting block.
Option Two, Step Two - remove screws holding Delrin nut.
Option Two, Step Three & Four - lower plate and reattach mounting block to lower holes.
Option Two, Step Six & Seven - raise plate and reattach Delrin nut with screws through upper holes.
Option Two is the preferred method. Notice it allows the maximum clearance under the gantry.

#3) How do I control the speed?

You can do this via a speed controller manually with a potentiometer (included) or with a CNC controller. For detailed instructions please refer to these blog posts gShield or TinyG.

#4 What is an ER11 collet and why do I want one?

An ER11-A collet is a standardized way to secure a cutting bit. There are two main components. The collet which grips the cutting bit and the collet nut which tightens the bit once installed in the machine and tightened down. It is very similar to the way the rotary tool works but the main difference is that this is larger and also an industry standard. That makes it much easier to know what is compatible. For example you can use a 1/4" diameter cutting tool with the Quiet Cut Spindle and the only thing you need to buy is the 1/4" collet. The same collet nut will work that comes with the Quiet Cut Spindle.

ER11-A 1/8" collet & collet nut are included with the Quiet Cut Spindle.
Cutting bits and 1/4" collet (shown above) are extra.

Use wrenches to tighten collet. Make it very snug but don't over-tighten.
If you have any other questions please refer to previous blog posts or send an email to help@inventables.com.

6 comments:

The Duke said...

How powerful is the spindle compared to a bosch colt/dewalt660?

casper911ca said...

Wondering the same thing.

casper911ca said...

Wondering the same thing...

casper911ca said...

To answer my own question:

Looks like the quietcut can be purchased up to 600W. The DW660 is a 5 Amps at 120V, so that is 600W as well. I would think it would be about equal in power.

casper911ca said...

... Additionally, it looks like the spindle can be duty cycled, so one can slow it down for better cutting results on a variety of materials. And I would guess that this spindle would have higher durability (better tolerances) and not burn through brushes so quickly too (if it even has brushes...). In any case it appears to be a significant improvement over the router type spindles.

John Hayes said...

These three spindles are compared in depth on the Shapeoko wiki, as well as a few other alternatives:

http://www.shapeoko.com/wiki/index.php/Spindle_Options