New video on YouTube: Milling Tower with Battlements: 50 mm Roughing Cutter, Circular Tenon and Pocket (3+2 Axes)
- Take a look: https://youtu.be/2Oqes0JiCDc
Using the 3D simulation of our SYMplus™ CNC software, we will show you how task 6 from Christiani’s “Collection of tasks in CNC Milling technology according to PAL2020 with Multi-Sided Machining” could look like in reality.
This task includes:
- Zero Offset in X and Z
- 10-degree Swivel
- 50 mm Roughing Cutter
- Circular Tenon
- Circular Pocket
- Interested to see it? Click on this link to watch the video: https://www.youtube.com/@CNCKELLERGmbH
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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Kick-start your CNC career with the “DIN” student license from SYMplus
Would you like to learn the CNC basics and prepare yourself for a career as a machinist? Then the “DIN” student license of our CNC training software “SYMplus” is just made for you:
- The “DIN” student license from SYMplus lays the foundation for your successful career as a machinist. It expands your knowledge and prepares you specifically for the PAL exams.
- Rent the software easily: Students can easily rent the “DIN” license of SYMplus for a specific period (14 days to 1 year) themselves (at low cost) and cancel it at any time.
- Immerse yourself in CNC programming: With the SYMplus “Interactive Learning” module, you will receive a comprehensive introduction in accordance with DIN66025 (includes the PAL basic commands) and deepen your knowledge of important geometry functions such as chamfers, fillets, lengths and angles.
- Practical application: Program according to your own drawings in the simulator and check your work with the 2D and 3D simulation.
Start your CNC training with SYMplus now: *Rent SYMplus: click here*
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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New video on YouTube: CNC simulation on the HURON K2X8 FIVE: Machine axes and milling techniques (CNC Milling, 3+2 Axes)
- Take a look: https://youtu.be/3Z6U6kN24Qk
Using the 3D simulation of our SYMplus™ CNC software, we will show you how task 5 from Christiani’s “Collection of tasks in CNC Milling technology according to PAL2020 with Multi-Sided Machining” could look like in reality.
This task includes:
- X-, Y- and Z-axis
- Swivel
- Lateral groove with a T-slot cutter
- Roughing and finishing
- Interested to see it? Click on this link to watch the video: https://www.youtube.com/@CNCKELLERGmbH
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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Olympia, Paris 2024
Happy Olympics to our neighbouring country France!
Did you know that the famous Olympic flag first flew in Antwerp (Belgium) in 1920?
Pierre de Coubertin, an important initiator of the modern Olympic Games and the inventor of the flag, once said of its significance: “The flag is white, with five intertwined rings in blue, yellow, black, green and red. These colours symbolise the union of the five continents.” At a time of nationalism and international tensions, Coubertin set an example of global unity and peace with the five rings we are all familiar with today.
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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KELLER workbooks for CNC milling and CNC turning
Let’s say you are convinced that our SYMplus™ CNC software can effectively train your trainees. But what happens next? Start the software and simply put the trainees in front of the PCs? That’s one option, but we have a better suggestion:
The KELLER Workbooks!
The KELLER Workbooks are the ideal supplement for an independent CNC training course. With a learning concept based on many years of practical experience and many sample tasks, the booklets allow you to deepen your knowledge step by step. And to top it all off: the solutions to the exercises in the workbooks are also available free of charge on request!
Other advantages of the KELLER workbooks?
- Contents organised by topic
- Tasks with increasing levels of difficulty
- Ideal for CNC beginners and basic training according to DIN
- Targeted exercises for exam preparation (PAL exam)
- Control-specific specialist training and CAD/CAM
- Operating instructions for the SYMplus™ software
Take the next step now and optimise the training of your trainees with the KELLER workbooks and SYMplus™!
More information (and reading samples) at: https://cnc-keller.com/symplus-support/workbooks/
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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New video on YouTube: Crash prevention during 90-degree swivel (CNC Milling, 3+2 Axes)
- Take a look: https://youtu.be/Toqn2b_qMcY
Using the 3D simulation of our SYMplus™ CNC software, we will show you how task 4 from Christiani’s “Collection of tasks in CNC Milling technology according to PAL2020 with Multi-Sided Machining” could look like in reality.
This task includes:
- 90-degree swivel
- Workpiece “cuboid”
- Changed axis positions due to swiveling
- Crash risk
- Interested to see it? Click on this link to watch the video: https://www.youtube.com/@CNCKELLERGmbH
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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55 years of the Moon Landing
“The Eagle has landed.”
55 years ago today, on July 20, 1969, humans set foot on the moon for the first time. Every machinist knows how crucial precision work is – and it was precisely this precision that made this historic moment possible for mankind.
That’s why our SYMplus CNC software also incorporates maximum precision. So that the “Eagle” … er, the machining, succeeds!
The KELLER.Software team wishes you a great Saturday, enjoy the summer weather – and the moon (by the way, in Germany, this weekend we have a fittingly full moon!)
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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Next Milestone Achieved: KELLER Celebrates 2,000 Followers on YouTube
We are absolutely thrilled: Within just 6 months, we’ve reached the next 1,000 followers on our KELLER YouTube channel. 2,000 people, it’s like we’re a small town full of CNC enthusiasts!
THANK YOU SO MUCH!
– Your KELLER.Software team
- Not a follower yet? You can subscribe to us on YouTube for free using the following link: https://www.youtube.com/@CNCKELLERGmbH
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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New video on YouTube: Swivel around A axis (rotary axis around X) + Thread milling (3+2 Axes)
- Take a look: https://youtu.be/6VBNvs5sRiI
Using the 3D simulation of our SYMplus™ CNC software, we will show you how task 3 from Christiani’s “Collection of tasks in CNC Milling technology according to PAL2020 with Multi-Sided Machining” could look like in reality.
This task includes:
- Swivel around the A axis
- Thread milling G88
- Center hole for M24x2 thread as circular pocket with Ø12 milling cutter
- Plane swivel G15
- Interested to see it? Click on this link to watch the video: https://www.youtube.com/@CNCKELLERGmbH
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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Rent SYMplus™ CNC software for the summer season!
Summer, sun, sunshine – and the new training year for cutting machine operators is just around the corner! But what do you do as a trainer with the trainees while the trade school is closed for the vacations? Or are the trainees just starting their training?
With the user-friendly SYMplus™ CNC software, your trainees can receive a comprehensive introduction to machining technology or refresh their knowledge so that they are well-prepared for the next year of their apprenticeship.
Thanks to practical exercises and an intuitive user interface, trainees can (almost) learn completely independently.
The SYMplus™ rental version is best suited for this: simply rent it for the summer months and get started straight away! Ideal for making the most of the time until the new training year.
- SYMplus™ rent: Click here
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
