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Mach3 lathe tools

Roland Jollivet All Messages By This Member #155275 Hi All In Mach3 Turn, I'm a bit confused by tool numbering. I've just looked through the manual and see nothing on this; If I select T1 in Gcode then on the Lathe screen I see T0 If I select T100 in Gcode then on the screen I see T1 If I select T200 in Gcode then on the screen I see T2 Is there a '100' offset in the tool numbering? Will G43 H05 apply to T5 or T500? Help appreciated.. Regards Roland
Martin Connelly All Messages By This Member #155276 Look at paragraph 7.5.3.3. It explains the T word format. Tool 1 may have a number of entries in the tool table with different parameters set. The last two digits tell the program which tool table line to use. For example tool 1 may have 2 entries with different x offsets. This would allow the same tool to be used for parts that are on the high side of a tolerance band and for parts that are on the low side of a tolerance band. Say you had a nominal ?25 diameter and you wanted it to be the maximum diameter you would have a different offset to where you wanted that to be the minimum diameter.
Ken Strauss All Messages By This Member #155279 开云体育 What is the advantage of this? Why not just define two tool numbers – one for the high and one for the low tool? Or use wear offsets? Isn’t that how most systems work? ? toggle quoted message Show quoted text From: [email protected] <[email protected]> On Behalf Of Martin Connelly Sent: April 23, 2022 2:40 AM To: [email protected] Subject: Re: [MachCNC] Mach3 lathe tools ? Look at paragraph 7.5.3.3. It explains the T word format. Tool 1 may have a number of entries in the tool table with different parameters set. The last two digits tell the program which tool table line to use. For example tool 1 may have 2 entries with different x offsets. This would allow the same tool to be used for parts that are on the high side of a tolerance band and for parts that are on the low side of a tolerance band. Say you had a nominal ?25 diameter and you wanted it to be the maximum diameter you would have a different offset to where you wanted that to be the minimum diameter.
George Steube All Messages By This Member #155281 开云体育 To make tool changes work use the tool number and the offset.? For example T101, T202 etc.? Also you may have to setup a tool change macro.? Been a while since I did it.? There is a Mach 3 Lathe manual here: Regards, George On 4/22/2022 12:57 PM, Roland Jollivet wrote: toggle quoted message Show quoted text Hi All In Mach3 Turn, I'm a bit confused by tool numbering. I've just looked through the manual and see nothing on this; If I select T1 in Gcode then on the Lathe screen I see T0 If I select T100 in Gcode then on the screen I see T1 If I select T200 in Gcode then on the screen I see T2 Is there a '100' offset in the tool numbering? Will G43 H05 apply to T5 or T500? Help appreciated.. Regards Roland
Martin Connelly All Messages By This Member #155282 You may have a limited number of tools on a tool changer so different lines in the tool table allow the same tool to be used in different ways. Wear offsets are used in the tool table and so you avoid having to modify the CNC code every time you use it.
Wesley Wilcox All Messages By This Member #155283 A simple thing with tools on CNC machines is when we change the insert from a .2 mm radius tip to a .8 mm radius tip. When you do that nothing is changed except the tip. When you do this the tool offset changes, so instead of changing to a different tool number and slot we simple change the Tool offset number, and this offset number has the right settings.

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