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New CNC

11/25/21       
Paul W Grubb

Hello all! I am looking into purchasing a new 5 x 10 machine next year. Our current machine is 17 years old, and I need something that will last us another 20 years. I think I have my mind made up on an Anderson Router. Guaranteed parts for 25 years, and they are really close to our shop in NC. Onsrud is close as well, but Anderson seems like a better value. I am trying to decide between the spectrum m series and the selexx. Anyone have any experience with these machines? Suggestions?
Any input is appreciated.
Thanks,
Paul

11/27/21       #3: New CNC ...
Mike

25 year guarantee? I'm not sure I would bet on Taiwan being a thing in 25 years. A better built CNC router is made in Louisville KY.

11/27/21       #4: New CNC ...
Paul W Grubb

Im guessing you are talking about Northwood Machine? I will look into them, any Idea what their 3 axis router run?

11/27/21       #5: New CNC ...
Mike

No, it depends on the spec. Table size, fixed or traveling gantry, vac zones, drill bank size, etc. I have two. Oldest is nearly 19 years old. Great machines.

11/27/21       #6: New CNC ...
RichC

I would spend some time reading that 25 year guarantee. No way would they warrant the spindle, bearing rods and linear bearings for that long. All those parts suffer wear and tear and since some companies run 24hr a day, None of those parts would last 25 years. My guess is that it covers manufacturing failures only.

11/27/21       #7: New CNC ...
Paul Grubb

Rich,
Sorry, I didn't mean they were under warranty for 25 years. they just garentee part availability for 25. It like the 2004 cosmec we have now is impossible to find parts for, especially since they no longer have a rep in the US

11/29/21       #8: New CNC ...
Rob Young  Member

Website: http://www.nutekmachinery.com

Are you primarily nesting? How many sheets a day do you need to process?

Regarding nesting the newest advancements in nesting machines relates to the number of vacuum zones and the ability to focus more vacuum in the area the head is actively working. In the past 3 or 4 zones on a 5x12 table were considered sufficient with the concern being to zone off an area the size of the panel and not bleed through the unused area of the spoil board of the larger table when 4x8 sheets were being processed. Manufacturers are now moving towards 9 even up to 12 zones depending on the machine size and concentrating the vacuum in the active zone to prevent part movement. This also allows for faster cutting speeds and of course fewer part rejections. This was one of the technologies Nutek Machinery recently sought out to determine who we would partner with to sell and service in the U.S. market. There are a few manufacturers that are doing this, and it is worth your time to look them over.

When you consider the number of sheets you want to process in a day you will always want to look at the cycle time for loading and unloading a panel if you are considering a full line. If you want to process 10 sheets an hour and the cycle time to load and unload is 1 minute than you have 50 minutes left in the hour and 5 minutes per sheet of run time to reach your goal. One factor to consider in panel cycle time is the linear cutting speed of the machine. How many inches per minute can you cut? It goes beyond the speed the machine is rated to cut. You also have to look at the acceleration/deceleration time of the X and Y axis. If you are cutting at 1100 inches a minute but the acc/dec time is slow, you will burn up the tooling in the corners. A machine with a faster acc/dec will allow for faster linear cuts.

Providing spare parts for 25 years should be the norm. These are large investments, and it should be up to you to decide when your machine is ready for the graveyard, not the inability to get the proper support. But you should keep in mind technology changes quickly and planning to run a 20 year old CNC puts you at a competitive disadvantage. Regardless of the volume you want to run you are still investing labor hours into processing your parts and the longer it takes to do that the higher your costs are, compared to the guy that is doing it in half the time.

As a technician other key factors in my mind would be the size of the spindle and drill block and the brand of controller and servos used. Regarding the machine control and inverters, the brand matters as does whether they are off the shelf items or proprietary to the company selling the machine. There is nothing worse than finding the machine builders tag on an inverter or controller. If those items go out be prepared to pay ten times what the standard off the shelf unit would be for the same brand. The issue of proprietary parts was one of the primary concerns we considered when determining the European lines, we would import.

http://nutekmachinery.com/machining-centers.html

11/30/21       #9: New CNC ...
Derrek

Website: http://www.closeted.com

I’m a recent convert to Anderson. They have some great machines. I really like the simplicity to operate, the Fanuc controller with their support. The machines are very stout and solid.

12/13/21       #10: New CNC ...
Mark Anderson Member

Website: https://www.rehfuss.com/en/
Hello, there If you are looking for new machine then I would recommend you "Rehfuss Drive Solutions" for high performance and long lasting machines and machine tools. Actually, they have expertise in custom-designed machines manufacturing and component partner for drive technology since 1951. You can simply visit their website and discuss your required machine and they deliver to your doorstep.
12/16/21       #11: New CNC ...
Acctek  Member

Website: https://www.acctekgroup.com/index.html

For cnc router, spindle, controller, automatic tool changer, etc., the service life of accessories is more important.


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