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!

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New video on YouTube: Swivel around B-axis (rotary axis around Y) 3+2 Axes
- Take a look: https://youtu.be/DM2BIbqpqRg
Using the 3D simulation of our SYMplus™ CNC software, we will show you how task 2 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 B-axis:
- 1. Zero offset according to PAL G59
- 2. Rotate/pivot coordinate system according to PAL 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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5 year work anniversary at KELLER (Throwback 2019)
Today is a very special #ThrowbackThursday! Our in-house application developer and support expert, Mr. Meißner, is celebrating his 5 year work anniversary this month!
He has been a member of the KELLER team for a total of 8 years: first as a trainee from 2016 to 2019, then as a permanent employee. In the first photo, Mr. Meißner (left) is standing next to our CEO, Mr. Mues, shortly after his successful final exam.
Congratulations and we look forward to many more great years together!
Discover more about our history on our website: https://cnc-keller.com/history/
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: Polar dimensioning and PAL G codes (CNC Milling, 3+2 axes)
- Take a look: https://youtu.be/GEDhyNECgcg
Using the 3D simulation of our SYMplus™ CNC software, we will show you how task 1 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:
- Polar dimensioned Arc in counterclockwise direction G13
- Polar dimensioned arc in clockwise direction G12
- Polar dimensioned individual drilling positions G78
- 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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Fear-free introduction to CNC technology (Throwback 1984)
In 1984, when KELLER.Software was still the publishing house ‘R. Keller’, vocational school teachers Großmann and Keller laid the foundation for our first “KELLER” software. Developed for basic CNC training, the software was called “Fear-free introduction to CNC technology”.
The title was intended to indicate that learning on a PC (which was still something completely new at the time) had advantages. For example: that a crash on the computer causes a scare, but not money.
This crash warning is still built into our CNC software ‘SYMplus’ today. In addition to this, the accompanying workbooks, which were already part of the learning concept back then, are available even today.
Discover more about our history on our website: https://cnc-keller.com/history/
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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Learn CNC without fear of breaking expensive CNC machines – with KELLER.Software.
Trainees and their creative solutions … you know them, right?
However, creative solutions are often indispensable for cutting machine operators (and similar professions). But be careful! Even small errors can cause major damage. A crash in the CNC machine can be very expensive!
That’s why our SYMplus™ CNC software allows you to practise and experiment safely in a virtual environment. This allows trainees to learn and try out their ideas without worrying about damage.
- Does this sound exactly like the software you’re looking for? For more information, visit our website: https://cnc-keller.com/symplus-cnc-software/symplus-for-cnc-training/
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: Detailed CNC machining (PAL G-Code)
- Take a look: https://youtu.be/u5ec5PD7pGw
Using the 3D simulation of our SYMplus™ CNC software, we will show you how task 15 from Christiani’s “Collection of tasks in CNC turning technology according to PAL2020” could look like in reality.
This task includes:
- Facing with G1
- External and internal roughing with G81
- External and internal finishing with G42 and G41
- Thread turning with G31
- Grooving with wide and small grooving tool
- Undercutting (undercut DIN509)
- Finishing with 35° V-plate
- 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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Why SYMplus™ is a valuable addition to your lessons (CNC software for training)
- More time for the important things: with SYMplus™, teachers don’t have to spend as much time preparing teaching materials. Instead, they can use this time to focus on imparting subject knowledge and supporting students.
- Qualitative learning content: SYMplus™ ensures that all students have access to high-quality and up-to-date learning content specifically designed for training machinists and similar trades.
- Inhomogeneous learning groups: With SYMplus™, students can learn at their own pace, so inhomogeneous learning groups are not an obstacle and have access to important learning materials, which helps them improve their skills individually.
- Interactive learning environment: Interactive modules allow students to gain hands-on experience without the fear of “breaking something” and directly apply their theoretical knowledge in a safe learning environment.
For more Info: https://cnc-keller.com/symplus-cnc-software/symplus-for-cnc-training/
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
