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The idea to use the granite squares and base plate is a good choice, as they can be any accuracy grade you want them to be

As for 100w direct drive servos don't even consider them, nothing below...

Up to 4000 RPM is a good speed for carbide cutters depending on what size cutter you are using, your spindle could run all-day at 5000 RPM and up to 6000 RPM without any problems just the way it is,...

It is quite common for these spindles to have Taper Roller bearings; they are a superior spindle over the spindles with angular contact bearings

Here is what a drip leg / drop leg is for an airline water trap, this can have an auto drain on it as well.

If you have an automatic water drain this will help to keep the water out of your spindle, the filters can only do so much, your airlines also can help if designed to have a drop leg where the water...

You could also try one of these, not necessarily this one...

The air return as they call it, is just pushing the piston in the cylinder back up, so it is no longer in contact with the spindle draw bar.

Never activate the ATC with the spindle running, as if...

I was talking about Die springs not regular springs, die springs are designed for this, and yes you need a constant pressure, that will increase when the male form pushes down if it does not then you...

If everything has been terminated correctly Shields wiring then you should be good to go, you may need an EMI power Filter for the VFD Drive and any Power supplies you have

The main EMI Filter has...

Dust removal= Dust/ chip Blast this works at the same time as the Tool is being changed their plumbing diagram is correct

Air seal= a continuous air flow when the Spindle is running, this keeps...

You can do it also with Die springs or even urethane springs, the more pressure you put on the top form the more the piece of material is gripped, so in his case with using the jack it is not...

It's quite simple, and is not an air return, that is just a word that has not translated into English very well.

It is just an air blast used when you do a Tool change, this is to clear the dust...

Check that the spindle 4th Pin is Grounded, most are not, with a meter set to continuity check the pin 4 to the spindle body if it is not connected, then you will have to remove the top of the...

The only problem with these stress relieving processes, is if there is any machining needed then Heat Treating is the best as every part of the structure is stress free before machining

The...

You can usually reverse the direction in the control software Active High active low, losing the USB connection when you start the motors is a noise or Grounding problem

What is the spindle you...

You can't use a Braided wire tube over the outside of the wires like this, it can be very dangerous if to do this.

A shield is never attached to anywhere a Ground wire is attached, they must be...

It will be a good experiment to see what you can do with the HDPE that's a large part, at the least you should have the male form made from a solid material, like steel aluminum Etc.

I said you could post articles on this all day long, here is one that is saying what I have posted about different materials being used and to two methods
Note this part, it is not efficient for...

We have used this process for a number of years, so know what works the best, I say it again, thin section RHS is no good for this type of treatment, you could post links all day long which are...

Pantographs in general use D-Bits some use a Diamond drag just to scratch engrave

People can call them whatever they like they are still D-Bits, a pencil point by itself won't cut anything, it...

Something wrong with the other cables, the 15cm cable is very short, 50cm even 100cm should be fine, this also may be the problem with the computer if it only has 3.5v output and it needs to be 5v

Stay with what you have if it is working, save some money and buy Eding CNC

Yes, but you get what you pay for, Eding control is worth every cent you pay for it, it is the best control in the market even though it is a little more expensive

It will depend how much back relief as to how stable it will be when cutting you may have to experiment with the back relief to get it perfect

A D-Bit is what can take any form you can think up, originally it was the only way to Grind cutters for Engraving

I don't know if anybody has posted this, your spot drill is 4 flutes, they are known for doing this no matter who the manufacturer is.

Try a 2-flute coated I used to use the 4-flute from a...

If the taper needed is short you could, Grind a D-Bit out of carbide to cut the Taper you need

Being in the Netherlands you have your own control with Eding CNC which is the best hobby /commercial control on the Market

They have an open day I believe on the 16th of July I wish I could go...

How big is the inside form cup??

The pressure required will also have to be worked out, depending on the form size, this will determine the material you can use

There are people that are 3D...

You are getting close to the cost of a Smooth Stepper which is better than both of these options the NVEM are ok but very little support, most that have them get them working there are some threads...