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I would swap the Z-axis servo amp with another axis, they are prone to failure ( we have machines of a similar vintage and keep one spare from back before they were service exchange!) and see if the...

Every 2 years when I have Haas in to service the machines I get them to re-level the machine (this is the most significant factor we have found over the years) and do a ballbar test and they will...

Remove the space between the # and the variable number.

#1 not # 1

There is no need to be rude, I would have thought someone with your apparent experience would be fully aware of what board the RS232 is on!

Before blaming the machine make sure your RS232 setting...

A helix is a function of the pitch and the diameter any time I have programmed one using a G107 I write a macro that recalculates the Y relative to the diameter I am cutting at. I get the diameter...

Amps look fine, they were updated a while ago. What happens if you change over the X & Y does the problem follow the amp or does it follow the motor ? Also double check the transformer is connected...

I have always found the Haas poor when using high feed rates. It will also suffer if it isn't level.

If it's juddering it could be the high feed milling it will try and cut corners to maintain...

They probably ran it on a small sturdy machine, clamped to the table using the best of everything, Material is hardened and tempered. Agree those speeds and feeds are nothing amazing it's at the...

The Mazak will be more rigid than the Haas so you would expect better tool life.

It's also worth pointing out that tooling costs are negligible. Time is the biggest cost. If a tooling...

Yes, for example the Seco solid end mills catalogue That I have in front of me tells me..

JS553100Z3.3-SIRON-A end mill Slotting on 4130 steel 10mm deep should run at 120m/min (4460rpm)...

I find book speeds and feeds a good starting place, but remember they are based on a rigid machine,rigid setup, short tools and 15 minutes of tool life. With a shallow depth of cut you can increase...

Setting 120 deals with how long it takes to slow the spindle down. If your machine has a regen circuit and it's set low you might see some smoke as the resistors get very hot.

Profiling head?

D'Andrea TA-Center EMO 2013 - YouTube

Something like this ?
Stamping / Die Makers Videos

We have 8 Haas Vertical mills ranging from VF3's to a VF10 we bought them in 98 to mill mild steel and Aluminium and they were cheap (relatively) we have abused them for coming up on 16 years. WE...

Nice easy one this. I have used it with Macro's to produce some really nice parts. using this method, rather than typing it all out I have stolen it from the HAAS website.

Cylindrical Mapping •If...

To change a name select the name of the program in program edit and alter it to whatever you like. add a comment underneath it and it will appear next to the program name when you list the programs...

Also my general rule of thumb is 2.5 x D

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MY money would be on the vector drive. They are rubbish.

Another option would be the low voltage power supply.

Duralac

Type in the name of the file then F3. if i's called 1234.txt or whatever type in in including any extensions. The file name is unimportant as the program name is in the file itself.

In the machine setting there is somewhere an option to T & H match, switch this off.

The vector drive sends the power to this when it's switches to regen to slow the spindle. I don't think they are that expensive from HAAS.

It's not something that has an answer, Use a good quality vice. You take each job as it comes and you gain a bit of experience. Some jobs will fly out and you will need new pants. (UK pants not US...

My money would be on program restart being on.

It's a handy feature that I would personally keep on. as it run's through the program so that everything is in the proper place (tools, speeds, feeds...

I have found Kennametal aluminium specific tipped cutters (can't remember the name but they are sharp) good.

95% of the time I use button (copy) cutters from SECO though as I do alot of 3D work.

I would do an oil change first.

then I would change the pump assembly

YEs your rotary is on the wrong way round, all our machines are the same and it took 10 years to notice. Like you it was when we did some rotary engraving.

The fix.

Go into setting 43 A axis...

It's a wonky vector drive.