New video on YouTube: Round workpiece with a “thick” 2 mm chamfer
New “INSTANT CNC” Video!
We have once again simulated a challenging task using our SYMplus™ CNC software – this time, we’re tackling Exercise 10 from the Christiani booklet “Collection of tasks on CNC technology milling according to PAL2020”.
The exercise task deals with: A round workpiece with a “thick” 2 mm chamfer.
Just click the link below to watch the video: https://www.youtube.com/watch?v=QqFv-UaJaGI
Want to stay updated on all our videos and show us some support? Then make sure to subscribe (it’s free!) to the KELLER YouTube channel:
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: Pre-milling circular pocket, Rectangular pocket and Recesses, Finishing, Drilling
New “INSTANT CNC” Video!
We have once again simulated a challenging task using our SYMplus™ CNC software – this time, we’re tackling Exercise 9 from the Christiani booklet “Collection of tasks on CNC technology milling according to PAL2020”.
The exercise task deals with: Contour milling with cutter radius compensation, pre-milling of a circular pocket, rectangular pocket and recesses, finishing, drilling.
Just click the link below to watch the video: https://www.youtube.com/watch?v=FwIq_SXQF94
Want to stay updated on all our videos and show us some support? Then make sure to subscribe (it’s free!) to the KELLER YouTube channel:
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: Spherical cutter in action
New “INSTANT CNC” Video!
We have once again simulated a challenging task using our SYMplus™ CNC software – this time, we’re tackling Exercise 8 from the Christiani booklet “Collection of tasks on CNC technology milling according to PAL2020”.
This exercise covers the Spherical cutter.
Just click the link below to watch the video: https://www.youtube.com/watch?v=vmK-RGzZlNE
Want to stay updated on all our videos and show us some support? Then make sure to subscribe (it’s free!) to the KELLER YouTube channel:
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: Pockets/Contours/Drilling operations on 86 program lines with 9 different tools
A new “INSTANT CNC” Video is here!
We have once again simulated a challenging task using our SYMplus™ CNC software – this time, we’re tackling Exercise 7 from the Christiani booklet “Collection of tasks on CNC technology milling according to PAL2020”.
This exercise covers the “full program” to prepare for the test: pockets, contours, drilling operations mixed within 86 program lines using nine different tools.
Just click the link below to watch the video: https://www.youtube.com/watch?v=NvIPtUhMLPk
Want to stay updated on all our videos and show us some support? Then make sure to subscribe (it’s free!) to the KELLER YouTube channel:
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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To all trainees we’re sending you the best wishes as you kick off your journey into the new training year!
To all trainees – whether you’re in your first, second, or third year – we’re sending you the best wishes as you kick off your journey into the new training year!
By the way, have you come across our SYMplus™ Student Version? It’s the one you can easily rent online for anywhere from 2 weeks up to 1 year! No subscriptions, just pay with PayPal or a similar method, and you’re ready to dive in!
The perfect learning software for all trainees, helping you dive into CNC basics as per DIN66025 and prepare effectively for the PAL exam:
- Interactive lessons with engaging images and videos
- PAL commands of CNC fundamentals
- Quiz mode to test under exam pressure
- A free CNC programming practice mode to fine-tune your skills
You can buy your license here: https://www.cleverbridge.com/858/purl-cnc-keller-Katalogeng
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: Inclined straight lines = crooked X/Y coordinates, centering/drilling on pitch circles
The next “INSTANT CNC” Video is now available on KELLER-YouTube Channel.
We have chosen another exercise (Exercise 6) from the Christiani booklet “Collection of CNC milling tasks according to PAL2020″ and simulated it with our CNC software SYMplus™. This time we are dealing with polar coordinates or ” crooked” Cartesian coordinates (G1 X Y, G3 X Y I J / R).
Click on this link to watch the video: https://www.youtube.com/watch?v=LsC7yy6lSr0
To never miss one of our videos, please subscribe to our YouTube channel:
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: Zero Offset, Roughing/Finishing and Subroutine technology
A new “INSTANT CNC” Video is now available for you on our YouTube Channel!
In this latest video of this series, the 5th exercise from the Christiani booklet “A collection of exercises in CNC milling technology according to PAL2020” is simulated with the help of our CNC software SYMplus™. This task deals with zero offset, roughing/finishing and subroutine technology (G59, G22).
Click on this link to watch the video: https://www.youtube.com/watch?v=JIdNH0xffJ0
For the latest updates and videos, please subscribe to our YouTube Channel:
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New video on YouTube: Various drilling cycles, thread tapping, reaming, countersinking at different levels
New Video on the KELLER YouTube channel!
In this video you will see a simulation of exercise task 4 from Christiani’s booklet “A collection of exercises on CNC technology milling according to the PAL2020” simulated with the SYMplus™ CNC software. The booklet and the video is currently available only in German language. The task involves various drilling cycles, thread milling, reaming, and countersinking on different levels (G81, G82, G84, G85).
Don’t forget to subscribe to our YouTube channel to stay up-to-date with our latest videos and show your support!
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Our experts are at your disposal. We look forward to your inquiry!

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INSTANT CNC – new video on YouTube
Our brand new “INSTANT CNC” Video Series is now online on YouTube. A new video has been added to this series today. Have a look.
In this video, you will see a simulation of the exercise task 3 from Christiani’s booklet “Collection of tasks on CNC technology milling according to PAL2020” simulated with the CNC software SYMplus™.
The exercise task deals with: Pocket cycles, Groove cycles and drilling patterns (G72, G73, G74, G75 as well as G81 with G67 and G77).
Here is the link to the video: https://www.youtube.com/watch?v=TWWaNqezP7c
Additinally, the video from last week, the one that was available only in German then, is now also available in English. Here is the link to that: https://www.youtube.com/watch?v=18oOWc7MCWc
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!

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INSTANT CNC – new video format on YouTube
What’s new, you ask? The answer is “INSTANT CNC” – your little bite of “CNC” ready to enjoy in no time! This is our brand new Video format, mainly meant for our YouTube Channel.
As a German company, naturally our first video is also in German language. Do not worry though, we are working on the English one already and it will soon come your way. The first video in this series is a task from the Christiani booklet “Task collection CNC technology milling according to PAL2020”. With the help of an illustrative simulation from our SYMplus™ CNC software, we explain what this task is about. Further exercises from this booklet will follow.
Here is a link to the video:
https://www.youtube.com/watch?v=F61d7DvBfY4
Do you have any questions?
Our experts are at your disposal. We look forward to your inquiry!
