Grooving, Thread Relief + Cutting (2-Sided CNC Turning)
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In this video, we guide you step by step through Task 12 from the Christiani task collection “CNC Turning Technology according to PAL2020”. Thanks to our 3D simulation in SYMplus™, everything is explained clearly and understandably.
What to expect in the video:
✅ Two-sided CNC machining (facing, roughing, finishing)
✅ Internal machining using the radial grooving cycle G86 (internal groove)
✅ Thread relief with the cycle G85 at the thread start and end
✅ Thread cutting with the threading cycle G31
Who is this video for?
Perfect for CNC programmers, machinists, and instructors looking to improve their PAL G-code programming skills for CNC Turning.
Subscribe to our channel to not miss out on more tutorials and tips:
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
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In this video, we guide you step by step through Task 12 from the Christiani task collection "CNC Milling Technology according to PAL2020". Thanks to our 3D simulation in SYMplus™, everything is…
Contours, Pockets & Slots in One Program (Learn CNC Milling)
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In this video, we guide you step by step through Task 12 from the Christiani task collection “CNC Milling Technology according to PAL2020”. Thanks to our 3D simulation in SYMplus™, everything is explained clearly and understandably.
What to expect in the video:
✅ Milling outer contour & step (G41, G46, G1, G2, RN)
✅ Circular and rectangular pockets—roughing & finishing (G73, G72, H4)
✅ Using subprograms & reusing contours (G22, G23)
✅ Slotting & drilling operations (G74, G81–G82)
Who is this video for?
Perfect for CNC programmers, machinists, and instructors looking to improve their PAL G-code programming skills for CNC Milling.
Subscribe to our channel to not miss out on more tutorials and tips:
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
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In the CNC world, we speak many languages: Fanuc, Siemens, Heidenhain … But no matter which control system—today, on October 3rd, the Day of German Unity, we celebrate what unites us: our shared…
In this video, we guide you step by step through Task 10 from the Christiani task collection "CNC Turning Technology according to PAL2020". Thanks to our 3D simulation in SYMplus™, everything is…
Why is stock left when facing with constant surface speed?
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In this video, we guide you step by step through Task 10 from the Christiani task collection “CNC Turning Technology according to PAL2020”. Thanks to our 3D simulation in SYMplus™, everything is explained clearly and understandably.
What to expect in the video:
✅ Why a remaining core is left in the center during facing
✅ Core hole drilling with G84 and thread cutting with G31
✅ Contour machining with G81 and call-up via G22
✅ Grooving cycles G86 (radial) and G88 (axial)
Who is this video for?
Perfect for CNC programmers, machinists, and instructors looking to improve their PAL G-code programming skills for CNC Turning.
Subscribe to our channel to not miss out on more tutorials and tips:
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
This might also be of interest to you
In our course “Basics of DIN/PAL Programming with SYMplus™”, participants spent 1.5 days writing and simulating programs, setting up tools, magazines and turrets, and creating their own gap-filling…
In this video, we guide you step by step through Task 14 from the Christiani task collection "CNC Milling Technology according to PAL2020". Thanks to our 3D simulation in SYMplus™, everything is…
Cutter Radius Compensation G41 G46 – Chamfer vs. Fillet, Circular Arcs I/J & R (Video)
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In this video, we guide you step by step through Task 14 from the Christiani task collection “CNC Milling Technology according to PAL2020”. Thanks to our 3D simulation in SYMplus™, everything is explained clearly and understandably.
What to expect in the video:
✅ Cutter radius compensation & tangential approach (G41 G46)
✅ Difference: Chamfer (RN–) vs. Fillet (RN+)
✅ Circular arcs with I/J or radius
✅ 3 rectangular pockets on a partial circle
Who is this video for?
Perfect for CNC programmers, machinists, and instructors looking to improve their PAL G-code programming skills for CNC Milling.
Subscribe to our channel to not miss out on more tutorials and tips:
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
This might also be of interest to you
In this video, we guide you step by step through Task 9 from the Christiani task collection "CNC Turning Technology according to PAL2020". Thanks to our 3D simulation in SYMplus™, everything is explained…
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How Roughing, Finishing, Radius Compensation, Undercut & Threading Work Together (Video)
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In this video, we guide you step by step through Task 9 from the Christiani task collection “CNC Turning Technology according to PAL2020”. Thanks to our 3D simulation in SYMplus™, everything is explained clearly and understandably.
What to expect in the video:
✅ How roughing and finishing work with G81 and G23
✅ Why radius compensation (G42) is important for upward and downward contours
✅ What the thread undercut is for – and what happens if it’s missing
✅ What the grooving cycle G86 does with parameter H14
Who is this video for?
Perfect for CNC programmers, machinists, and instructors looking to improve their PAL G-code programming skills for CNC turning.
Subscribe to our channel to not miss out on more tutorials and tips:
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
This might also be of interest to you
In our 1.5-day KELLER.Academy course, Mr. Ambrosy from Mager GmbH (a manufacturer of screws and turned parts) successfully completed the introduction to graphical programming with SYMplus™. The…
In this video, we guide you step by step through Task 9 from the Christiani task collection "CNC Milling Technology according to PAL2020". Thanks to our 3D simulation in SYMplus™, everything is explained…
CNC Milled Part: Rectangular & Circular Pocket, Outer Contour and Holes (Video)
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In this video, we guide you step by step through Task 9 from the Christiani task collection “CNC Milling Technology according to PAL2020”. Thanks to our 3D simulation in SYMplus™, everything is explained clearly and understandably.
What to expect in the video:
✅ Milling the outer contour
✅ Circular and rectangular pocket using G73 and G72
✅ Centering, countersinking, and thread cutting
Who is this video for?
Perfect for CNC programmers, machinists, and instructors looking to improve their PAL G-code programming skills for CNC milling.
Subscribe to our channel to not miss out on more tutorials and tips:
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
This might also be of interest to you
In this video, we guide you step by step through Task 11 from the Christiani task collection "CNC Turning Technology according to PAL2020". Thanks to our 3D simulation in SYMplus™, everything is…
In this video, we guide you step by step through Task 8 from the Christiani task collection "CNC Turning Technology according to PAL2020". Thanks to our 3D simulation in SYMplus™, everything is explained…
External Thread with Cycle G31 – Turned Part with Spherical Shape G3 (Video)
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In this video, we guide you step by step through Task 11 from the Christiani task collection “CNC Turning Technology according to PAL2020”. Thanks to our 3D simulation in SYMplus™, everything is explained clearly and understandably.
What to expect in the video:
✅ How an external thread is created using G31
✅ Which parameters are important when using G31
✅ Why and how a workpiece is re-clamped for machining the second side
✅ How to program a spherical contour with G3
Who is this video for?
Perfect for CNC programmers, machinists, and instructors looking to improve their PAL G-code programming skills for CNC turning.
Subscribe to our channel to not miss out on more tutorials and tips:
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
This might also be of interest to you
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Radial Grooving (Internal) & Axial Face Grooving | G86 & G88 (Video)
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In this video, we guide you step by step through Task 8 from the Christiani task collection “CNC Turning Technology according to PAL2020”. Thanks to our 3D simulation in SYMplus™, everything is explained clearly and understandably.
What to expect in the video:
✅ Radial grooving inside using cycle G86
✅ Axial face grooving with G88
✅ Understanding parameters: LE, EP, AK, D
Who is this video for?
Perfect for CNC programmers, machinists, and instructors looking to improve their PAL G-code programming skills for CNC turning.
Subscribe to our channel to not miss out on more tutorials and tips:
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
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Milling Text and Numbers with G1, G2, G3: G-Code (PAL) Basics (Video)
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In this video, we guide you step by step through Task 1 from the Christiani task collection “CNC Milling Technology according to PAL2020”. Thanks to our 3D simulation in SYMplus™, everything is explained clearly and understandably.
What to expect in the video:
✅ Milling text and numbers using:
✅ G1 (straight line)
✅ G2 (circular arc clockwise)
✅ G3 (circular arc counterclockwise)
Who is this video for?
Perfect for CNC programmers, machinists, and instructors looking to improve their PAL G-code programming skills for CNC milling.
Subscribe to our channel to not miss out on more tutorials and tips:
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
This might also be of interest to you
Graphic programming made easy – with SYMplus™ and the KELLER.Academy! In a compact one-on-one training session, Mr. Grodfeld from Röhm GmbH (a leading manufacturer in methacrylate chemistry)…
Cutting Machine Operator Exam Summer 2025 – done! The Cutting Machine Operator Exam is a specialized certification (IHK) in Germany that assesses both practical and theoretical skills in CNC machining. Want…
Exam Cutting Machine Operator (Summer 2025 Turning/Milling)
Cutting Machine Operator Exam Summer 2025 – done!
The Cutting Machine Operator Exam is a specialized certification (IHK) in Germany that assesses both practical and theoretical skills in CNC machining.
Want to take a closer look at the exam?
On our YouTube channel, you can find 3D simulations of the workpieces (turning & milling) from the written part of this exam – including brief explanations of the individual steps. This gives you a clear idea of what the parts look like and what was expected in the exam.
Please note: This exam and the related content are specific to the German vocational training system and may differ from similar certifications in other countries.
Subscribe to our YouTube channel for more practical CNC content:
Turning:
- In turning, the focus was on several typical machining operations, including facing and longitudinal turning of the outer contour, roughing and finishing of the inner contour, as well as threading an internal thread M36 with a 1.5 mm pitch. Additionally, a 24 mm hole was drilled.
Please note: The video are only available in German.
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Milling:
- In milling, the focus was on various milling strategies, including an outer contour with multiple tools, an angled surface, a slot with a circular arc, and a complex inner contour. Additionally, drilling operations and an M6 thread were included.
Please note: The video are only available in German.
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Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
This might also be of interest to you
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In this video, we guide you step by step through Task 7 from the Christiani task collection "CNC Turning Technology according to PAL2020". Thanks to our 3D simulation in SYMplus™, everything is explained…