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  1. S

    My latest book on Fanuc CNC lathe, a 2024 edition, can be downloaded for FREE during next 12 hours (only)

    Can be downloaded from any amazon site. Download link at US site: https://www.amazon.com/dp/B0CR9DXP4T After 12 hours, you can still have it for $2.99 at amazon.com, but price at other amazon sites would be abnormally high.
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    My new book on CNC lathe

    I have just published a new book on CNC lathe for absolute beginners who do not even know the difference between G00 and G01, but desirous of mastering manual programming on a lathe. It also discusses basic tooling and setup procedure, as well as basics of macro programming with probing...
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    Trying to understand G68 on a lathe (Mirror image for double turret)

    This description is copied from a 0iTC Fanuc manual: What I do not understand is, if the distance between the two turrets remains fixed, how can simultaneous machining by the two be possible? Or, is it so that simultaneous machining on 0-series is not possible; only independent machining by...
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    Utility of G53?

    I understand that it is used for moving to a machine-specific position, irrespective of the active WCS, for a purpose such as tool change. But, one can always use G28 or G30 positions (three different positions can be defined for G30). What is the specific advantage with G53, apart from its...
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    Convention for CW/CCW direction for live tools

    1. I understand that CW/CCW is defined when we look along the axis of the live tool, away from the turret. Is this correct? 2. I have read somewhere that, depending on the design of live tool, M03 may not start CW rotation on all machines, i.e., M03 can be for CCW rotation. Is this correct?
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    Have you experimented with polygon turning?

    The formula for the number of flats is Thus, several combinations are possible, to obtain the same number of flats. For example, a hexagon can be obtained by any of the following combinations: 1 insert, RPM ratio 6 2 inserts, RPM ratio 3 3 inserts, RPM ratio 2 4 inserts, RPM ratio 1.5 (custom...
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    Trying to understand Fanuc G36/G37

    A few questions: 1. Does it modify geometry offset or wear offset? 2. Can it be used for setting the initial geometry/wear offset, or only corrections in these, or both? 3. Are these codes broadly equivalent to G31, with the added functionality that the relevant system variables are updated...
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    MOP vs Software Operator's Panel

    Can somebody please test it and let me know ... Do the available options on the Software Operator's Panel (SOP) override the MOP settings, and/or vice versa, when the option/switch is available on both? For example, if the MOP has a dry-run switch, and it is in the OFF condition, what happens...
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    Do you use G90 and G94 on a lathe with G-code System A?

    Nobody seems to be talking about these cycles (G90 and G94), though these are very convenient for turning / taper turning and facing / taper facing, respectively. People tend to use G71 / G72 for simple cases as well. Nothing wrong in it. What I am wondering is, should these cycles be a part of...
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    Free CNC resources

    Two of my eBooks are free today and tomorrow. Download if interested: 1. CNC Programming Skills: Live Tool Drilling Cycles on a Fanuc Lathe, Sinha, S. K., eBook - Amazon.com (On live-tool drilling cycles) 2. CNC PROGRAMMING: FANUC CONTROL, Sinha, SK, eBook - Amazon.com (on basic CNC programming...
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    Monitor showing dim display

    The monitor on one of the machines (0iTC) has lost contrast recently. The texts are barely readable. What could be the reason?
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    False low-battery alarm

    0i Mate MD control The battery was replaced recently. All procedure involving parameter 1815 was followed. Alarm gone. The machine worked also, but with APC blinking in yellow background all the time. Now, whenever the machine is switched ON after a gap of few hours, the following alarm is...
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    Where do we use button inserts?

    I am asking this question because I have never used round inserts. My intuition says that, because it has wider engagement, it would cause a lot of radial thrust on the workpiece. Consequently, it perhaps cannot be used for heavy cutting, specially when workpiece rigidity is an issue. On the...
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    Is there Fanuc model E?

    I heard about models A, B, C, D and F, but not E. Does F also have a Mate version in 0i series?
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    ATC videos required

    For the purpose of demonstration in a classroom, on a laptop, I need some videos explaining commonly-used tool-changing mechanisms. I would appreciate suitable references.
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    Percentage of people using G-code system A, B and C

    I believe 99% use system A, and remaining use B or C. Am I correct? Any major reason for using B or C?
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    Effect of Look-ahead in radius-compensation mode?

    In the radius compensation mode, it is believed that there should not be two (or more) consecutive non-movement blocks in the plane of compensation; otherwise, it would lead to error in compensation. I was wondering if this rule applies also when a large number of block are pre-read.
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    Taper angle for self-locking of shafts?

    I have read that less than 7 deg causes self-locking. Is 7 deg the cone angle or half of the cone angle (i.e., angle of the surface with the centerline such that the cone angle is 14 deg)?
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    Vericut question

    How effective is VERICUT VV software for Custom Macro B programs? Any limitation you might have observed? Does it incorporate features like defining custom G codes?
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    MTS CNC simulation software

    http://www.mts-cnc.com/ If you have used it, please give your feedback.
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