Throwback 2015 – Project Week Cutting Machine Operator BSZ Zschopau
Almost a decade ago, in 2015, we hosted an exciting project week for future cutting machine operators at BSZ Zschopau.
Working in teams of two, the students independently carried out the entire production process for a turned part. And the CNC programs were, of course, implemented using our SYMplus™ CNC software!
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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Preparation for the IHK final exam 2024 – Cutting Machine Operator
No need to panic, we’re here to help!
With the help of our PAL software SYMplus™, you can now prepare well for your IHK final exam (cutting machine operator and similar professions).
- Practical exercises for a successful learning experience.
- Flexible training that combines theoretical knowledge with real-life applications.
- Prepare not only for the exam, but also for your future professional life.
Make sure you are not overwhelmed by exam stress!
- Visit our website for more information about SYMplus™: https://cnc-keller.com/symplus-cnc-software/pal-software/
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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3 Reasons why you should not use SYMplus (or maybe you should!)
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If you prefer slow and inefficient CNC training.
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If you are not into interactive learning modules and having fun while learning.
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If you don’t want to benefit from a user-friendly software to enhance your CNC skills.
Who would have thought that there are also reasons not to use SYMplus™, right?
However, jokes aside, on our website you will find many reasons as to why you should use SYMplus™.
- What criteria are important to you when choosing an educational software?
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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Training with KELLER.Software
Prepare yourself thoroughly for your PAL exam! With our CNC learning software SYMplus™, preparing for the IHK final examination for cutting machine operators (turning/milling) is as easy as child’s play. No more confusing information sheets and boring face-to-face lessons – rely on our tried-and-tested solution!
Our software offers:
- Practical exercises for effective preparation for the PAL exams
- From CNC basics to advanced knowledge
- Support for various CNC controls such as Siemens and Heidenhain
Find out more about our PAL learning software here: https://cnc-keller.com/symplus-cnc-software/pal-software/#palausbilder
Or contact us directly – we will be happy to help you! https://cnc-keller.com/keller-contact/
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: Thread Undercut/Threading Cycle (internal) DIN 76, Form C or D (CNC turning)
- Take a look: https://youtu.be/LuOWkAigHmw
Using the 3D simulation of our SYMplus™ CNC software, we will show you how task 6 from Christiani’s “Collection of tasks in CNC turning technology according to PAL2020” could look like in reality.
This task includes:
- Thread cycles and undercuts (internal) according to DIN 76, form C or D
- 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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New video on YouTube: Milling a mandala using Circular Arcs G2/G3 with I/J
Easy as pie: Milling a mandala using Circular Arcs G2/G3 with I/J
- Take a look: https://youtu.be/GABN93h-ji4
- 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!

This might also be of interest to you
New video on YouTube: Threading cycle and Undercuts according to DIN76 (CNC turning)
- Take a look: https://youtu.be/5peyMtt8tSk
Using the 3D simulation of our SYMplus™ CNC software, we will show you how task 5 from Christiani’s “Collection of tasks in CNC turning technology according to PAL2020” could look like in reality.
This task includes:
- Threading cycles and undercuts according to DIN76
- Facing and longitudinal turning with cycle G81
- Roughing cycle
- Threading
- 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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Reminder: Cutting Machine Operator Exam Summer 2024
Are you about to take your PAL or IHK final examination as a cutting machine operator in the field of turning or milling? Do you feel overwhelmed by a flood of information sheets, complicated teaching material and lengthy training appointments?
Discover the benefits of our tried-and-tested SYMplus™ CNC learning software and make your exam preparation easier in an uncomplicated way.
- Easy to use, with a focus on the essentials: SYMplus™ CNC software is designed to help you find everything quickly so you can concentrate on what really matters – effective learning.
- PAL exercises: Learn hands-on with practical PAL exercises and the expertise of CNC users and trainers. The theoretical PAL program can also be simulated on a real machine using SYMplus™ CNC software.
- Supporting Workbooks: No need to think twice: just open it and get started. The workbooks for SYMplus™ CNC software will perfectly complement your learning progress.
More information on our website: https://cnc-keller.com/symplus-cnc-software/pal-software/
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: Facing, Longitudinal Turning Cycle, Finishing with Radius Correction (CNC turning)
A new “INSTANT CNC“ Videos now available on YouTube! Take a look!
- Click on this link to watch the video: https://youtu.be/nNI_mKIK7qo
Using the 3D simulation of our SYMplus™ CNC software, we will show you how task 3 from Christiani’s “Collection of tasks in CNC turning technology according to PAL2020” could look like in reality.
This task includes:
- Facing G82
- Longitudinal Turning Cycle G81
- Finishing: Radius Correction G42
- 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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New video on YouTube: Address RN, Roundings and Chamfers, Turning Contours (CNC turning)
A new “INSTANT CNC“ Videos now available on YouTube! Take a look!
- Click on this link to watch the video: https://youtu.be/_OU99LpyV5U
Using the 3D simulation of our SYMplus™ CNC software, we will show you how task 2 from Christiani’s “Collection of tasks in CNC turning technology according to PAL2020” could look like in reality.
This task includes:
- Address RN
- Roundings with RN
- Chamfers with RN
- Conical contours
- Inclination angle with AS
- 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!
