Category Archives: Haas

Haas VF3

This week I got to train two people on a Haas VF3, and what a delight it was. This machine was old I mean 1996 but still a great functional machine tool.

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I like to see myself in a similar way, really old but still functioning, well at least as I write.

Haas VF3

It took me back to when I first set up my business of training people on CNC machines. My first two victims were at Armitage Shanks in good old Wolverhampton.

1996 was the year I started out on my own CNC Training and these were the first machines I trained on. I did so many I got pissed off with the sound of my own voice (which I rarely do).
Because all the machines were the same I was saying the same things and quoting the same tired old anecdotes day after day.
Fortunately, I went on to train on all the well-known CNC machines like Mazak, Mori Seiki, Matsuura, Bridgeport to name a few. Quite a lot of the not so well-known ones like Maho, seen below.

Haas VF3

The machine above has a Phillips control and they were the absolute dogs’ bollocks. It even had rigid tapping. You could hit feed-hold while it was tapping and you got the option to reverse the tap out! Training people on these was an absolute delight.

Don’t forget we’re talking mid 80s here.

Shut up David this sounds like a big plug for the CNC Training Centre, or maybe it is.

CNC Training Centre (Home of the CNC Program)

There is pub by us and on the sign, it says “The Home of the Roast”.

You have to queue up to get your food and a young lad carves the meat in front of you. If he don’t like the look of you, which obviously with me he didn’t, you get two or three slices of turkey, so wafer thin, you can see the pattern on the fuckin plate underneath.

Now I don’t want to knock the people of Nuneaton, being as most of my family live there, but honestly there are some greedy bastards about.

After you get your meat and a few accoutrements you follow a long line of people adding cabbage and peas and all sorts of vegetables and potatoes to their plates. This bloke in front of me was scooping so much on to his plate it was flowing over. It was like a fuckin bowler hat as my late father would say, sans expletive.

In those days you didn’t swear in front of ladies, unless of course it was their turn.

I was just thinking “did you like not eat for a fuckin week?” You can imagine his kids at school saying to the teacher “oh, we’re not eating at our house this week miss”. The teacher then asks if this is some precursor to a religious festival or some such thing.

“Oh no miss, we’re booked in at the carvery for Sunday lunch” she gives them a knowing nod.

Anyway, I looked at this blokes plate with utter middle class disgust and vowed never to go there again.

My mate was about three people in front of this bloke and to my amazement my mate’s plate was so full of food, it made his look like he’d paid for the children’s menu.

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Haas Training, Milling, Turning

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Haas Training
Haas products are constantly improving and developing. I love working with Haas because they actually listen to customers.

Every company claims to do this. We all know that some of the software and machines we use everyday have annoying faults that just never seem to be picked up on by the designers.

Haas Training
Anyway you all know I get pissed off about this if you ever read anything I write. Here is an example.

Did you ever work on a machine with a random tool-changer?

Haas Training

This is a CNC Milling machine that gets the tool out of the spindle and puts it back into the nearest pocket. Could be a Fanuc control Mazak control, Heidenhain. So when you look round the back of the machine at the pockets, the pocket numbers bear no resemblance to the actual tool numbers.

Anyway you go round the back of the machine and you see a tool you want. An M10 tap maybe. I want that M10 tap so I have to go all through my tool lists or whatever to find what tool number it is.

I hope you get me so far. So I find there is an M10 tap called T06 and I call it to the spindle. Oh dear there are two M10 taps and I got the wrong one. In real life I would probably say bollocks but I am trying to make these articles more classy by reducing the profanities.

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Haas SL15 CNC Lathe

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Today I got to train someone on a Haas SL15 Lathe, it had live tooling and a sub spindle.

Haas SL15

It also had a bar-feed.

Not worked on one of these for a while. Tell me why on earth don’t other companies look at the pragmatic approach that Haas take to CNC Machining and copy it?

Say what you like about Haas machines but they have an incredible knack of shattering the bullshit and making stuff easy.

Here are two massive ones.

G112

G112 tricks the Haas SL15 CNC Lathe into thinking it’s a machining centre and that it can mill.

It’s like gender identity for CNC Machines. But, and this is the “for fuck sake bit”, on most machines you have to program it like a machining centre but then when your done you need to double X and switch all the Y’s for C’s.

Sounds simple but in practice it’s a shit storm, specially when programming G2 and G3.

Here is an article about it.

When Mr Haas invented the Haas SL15 CNC Lathe he must have looked at this and laughed. Here is a really clever idea. We’ll trick the machine into thinking it’s a machining centre and here is the clever bit. We’ll keep up the facade.

So you make a milling program (XY) and then……. you leave it that way. How incredibly clever is that?? Mmmmmm

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Haas G150 Pocket Milling: How to Use It Like a Pro

I must admit I used to think this feature was a waste of time. But I didn’t realise that some folks don’t have a CAM sytem so long hand programming would take ages.

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I got to work on a 1995 very old but brings back great memories for an old bastard like me.

Dirty old beast but then so am I and I still have my uses.

The Haas G150 pocket milling command is a versatile and powerful feature for CNC machinists looking to machine pocket shapes. By defining a pocket’s geometry in a subprogram and then using G150 to call it, you can streamline your code.


What is Haas G150 Pocket Milling?

The G150 G-code command on Haas CNC mills is designed for general-purpose pocket milling. It allows machinists to mill out complex pocket shapes by defining the geometry once in a subprogram, then calling it using a single line of code in the main program.


G150 Explained

The G150 command uses a range of parameters to control the milling operation:

  • P – Subprogram number that defines the pocket shape, can be internal or external (but not on my old machine)
  • X, Y – Starting location (usually the pre-drilled entry hole)
  • Z – Final pocket depth
  • I or J – Step-over distance in X or Y direction, make sure you only include one as you will get an alarm
  • K – Finish allowance for a final pass
  • Q – Incremental Z depth per pass
  • R – Height for pocket, depth is from here
  • F – Feed rate
  • D – Tool diameter offset register (for G41/G42)
  • L – Optional repeat count with incremental positioning

Writing the Pocket Geometry Subprogram

The subprogram specified by the P code outlines the pocket’s perimeter. Important rules:

  • Must be a closed loop (start and end at the same point)
  • Max 40 moves (linear or circular)
  • Start move should go from entry hole to the boundary
  • Final move must not go back to the entry hole
  • Use cutter comp G41 with lead-in/lead-out moves add to cycle.

This example it really simple try it out first just to make sure all is ok. You can then hit it with a much more complex shape.

On older controls you have to put the shape in an external sub program like O500 you can’t use internal sub routine.

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Haas Setting Page 103 and Other Settings

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Category : Haas

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Haas Setting 103

Haas Setting 103, I think this is so cool and is typical Haas. Try changing setting 103, this makes the green CYCLE START only work when it is held in, a really good way to prove out a programmes. Can’t wait to try this.

The settings page on the Haas control is very exciting, as well as Haas Setting 103, you will find a myriad of exciting things that will change the behaviour of your Haas control. Read the manual very carefully before embarking on this journey.

Haas Setting

This is where you can turn on your programme restart which is probably the single most innovative thing on this control, it always amazes and annoys me in equal measure when I see people not using it.

Setting 15 is a great one to use too.

This checks that when you programme your tool length compensation G43 Z3. H01, that this tool length offset agrees with the previous tool call-out (M06 T01).

So if for example you programmed M06 T02 it would throw up an alarm telling you that the H and the T code did not agree.

I am sure you must have changed a tool position and forgot to change the tool length offset number (the H number). Easy done.

It’s what makes us get of bed I often lay awake at night thinking about what you can do with these setting. Mmmm…..

The settings are designed to be changed by the user, so don’t worry too much about changing them.

It’s a good idea to make a note of these settings before and after. Maybe take a picture if you can’t be arsed to learn how to do a screen shot

Or yes you guessed it SHIFT F1 take a look at how to do it for a screen shot on your memory stick.

It’s only when you start getting into changing parameters that you really have to think “am I ready for this Leap Of Faith”

Haas Setting

But nevertheless there again there is some real interesting stuff here, another article maybe? Anyway have fun with this and come back and tell us how you got on.

Please contact me if you require:

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