My shop just purchased a haas mill of similar age to yours. I was struggling with setting the work offset, and your video helped me. However, in order to duplicate your results, i needed to make the g54 offset positive. Im not sure why, i just know it seems to have worked.
we just got a 2000 VF3, same thing I have to add the G54 and on my machine control it displays the offsets as negative numbers where in the video, his display shows them as positives, I believe this is why it is reversed for us.
1:55 If your tool is measured at -12.6433 on the machine tool offsets, then you are lifting up (positive value) 3.194", then why do you need to add a negative to the G54 Z value -3.194. > should it not be +3.194 ?
I am almost certain that the G54 value should be +3.194. TLO for tool 13 to presetter was a Neg value. Height from presetter to top of part was positive. 3.194. The control will add/subtract the G54 value from TLO. I have a VF oE . I have never seen any Haas Machine With positvie values in the work offsets. How is this done? Machine Home at power up is all the way positive in X Y and Z. Setting these will make any value negative. Thanks for the video. Where are you an instructor?
You are absolutely correct with the negative values. This was may attempt to simplify the process (math) for the particular set of students I created this video for. Instead of having them add to the negative value, I had them view it like magnitude. It worked well for this set of students as they were able to get over the hump and become proficient in setting up the machine. The 3.194 value I placed in the Z was negative. I believe I understand your question, so though it will be a while before I am back in the shop, I will test it with a positive number to see what happens.
@@themachinetoolinstructor7410 Hi, I'm in the same boat as P S, if I put a -3. in the Z origin offset the tool will drop an additional 3." from where the tools were set...are you using G44 with H offset? (G0 G44 H1 Z.1) or maybe your setting #33 is set different than ours (fanuc on mine)...if you go to the operator page and press origin it will zero out whatever axis is currently being jogged or type in X, Y, or Z then origin will also zero or X, Y, or Z then #'s origin again will replace with the #'s that were keyed in. Have a good day.
wait im confused. i thought the Z value in g54moves the tools in the direction of+ or -. if you set you set it in the - from the top of the part isnt it going to go through the part in the negitive direction? Im not sure how you got it to run the right clearly the tool didnt crash when you hit cycle start. please let me know
I know this has been mentioned, but I want to reiterate that this video is categorically wrong. The offset value MUST be positive. If your work is 2 inches above the tool offset device, if you enter a negative value, you just told the machine to go 2 inches below, which is 4 inches below the surface of your part. If you're lucky, you'll get a "Z over travel range" error. Either that or your machine will slam the spindle directly into the part. Do NOT enter a negative value.
Here a TIP: Why not use every tool with whatever length on the CNC G53/54 original coordinates zero? From there all you got to do is center your stock with the longest tool at 3" above it and G92. Creating an offset you'll be working from that point as a point of origin; now understanding that you have different tool-lengths, only thing left to do is compensate the difference for every tool using the longest tool as reference number. Every operation done would be accurate if you know the number to compensate for every tool. It's that simple and this way you can fool your tool length compensation tables. Another trick, use the same offset for all of your tools operation, let's say G54, in order to manipulate every operation with same offset all you got to do is create every operation as a Subroutine and recall it from the main program, your CNC would treat every Sub as an independent Pro and this way its easier to tweak things around. Just saying :) Great video thou.
My shop just purchased a haas mill of similar age to yours. I was struggling with setting the work offset, and your video helped me. However, in order to duplicate your results, i needed to make the g54 offset positive. Im not sure why, i just know it seems to have worked.
we just got a 2000 VF3, same thing I have to add the G54 and on my machine control it displays the offsets as negative numbers where in the video, his display shows them as positives, I believe this is why it is reversed for us.
1:55 If your tool is measured at -12.6433 on the machine tool offsets, then you are lifting up (positive value) 3.194", then why do you need to add a negative to the G54 Z value -3.194. > should it not be +3.194 ?
I have the same confusion
Very clear and helpful!
I am almost certain that the G54 value should be +3.194. TLO for tool 13 to presetter was a Neg value. Height from presetter to top of part was positive. 3.194. The control will add/subtract the G54 value from TLO. I have a VF oE . I have never seen any Haas Machine With positvie values in the work offsets. How is this done? Machine Home at power up is all the way positive in X Y and Z. Setting these will make any value negative. Thanks for the video. Where are you an instructor?
You are absolutely correct with the negative values. This was may attempt to simplify the process (math) for the particular set of students I created this video for. Instead of having them add to the negative value, I had them view it like magnitude. It worked well for this set of students as they were able to get over the hump and become proficient in setting up the machine.
The 3.194 value I placed in the Z was negative. I believe I understand your question, so though it will be a while before I am back in the shop, I will test it with a positive number to see what happens.
@@themachinetoolinstructor7410 Hi, I'm in the same boat as P S, if I put a -3. in the Z origin offset the tool will drop an additional 3." from where the tools were set...are you using G44 with H offset? (G0 G44 H1 Z.1) or maybe your setting #33 is set different than ours (fanuc on mine)...if you go to the operator page and press origin it will zero out whatever axis is currently being jogged or type in X, Y, or Z then origin will also zero or X, Y, or Z then #'s origin again will replace with the #'s that were keyed in.
Have a good day.
@@themachinetoolinstructor7410 I entered the work coordinate values for g55, but machine is still in g54,
How to select g55
Yeah he was showing us how to crash a spindle into the part 🤦♂️
@@TheVenkateshM G90 then G55
G0 G90 G55 X0 Y0
Is how the line of code usually looks.
Thanks
wait im confused. i thought the Z value in g54moves the tools in the direction of+ or -. if you set you set it in the - from the top of the part isnt it going to go through the part in the negitive direction? Im not sure how you got it to run the right clearly the tool didnt crash when you hit cycle start. please let me know
Amazing
Best regards from peru.
Is it correct to set the length of the first tool in work offsets column? Or you should only set the information in the tool lengths table?
How to select g55 from g54
I know this has been mentioned, but I want to reiterate that this video is categorically wrong. The offset value MUST be positive. If your work is 2 inches above the tool offset device, if you enter a negative value, you just told the machine to go 2 inches below, which is 4 inches below the surface of your part. If you're lucky, you'll get a "Z over travel range" error. Either that or your machine will slam the spindle directly into the part. Do NOT enter a negative value.
z work offset support to be positive I guess
Here a TIP: Why not use every tool with whatever length on the CNC G53/54 original coordinates zero? From there all you got to do is center your stock with the longest tool at 3" above it and G92. Creating an offset you'll be working from that point as a point of origin; now understanding that you have different tool-lengths, only thing left to do is compensate the difference for every tool using the longest tool as reference number. Every operation done would be accurate if you know the number to compensate for every tool. It's that simple and this way you can fool your tool length compensation tables. Another trick, use the same offset for all of your tools operation, let's say G54, in order to manipulate every operation with same offset all you got to do is create every operation as a Subroutine and recall it from the main program, your CNC would treat every Sub as an independent Pro and this way its easier to tweak things around. Just saying :) Great video thou.