Service life of extruder gears

What service life are people seeing on their extruder wheels?

I have 556 hours on my A1 but regularly see under-extrusion appearing on well-established prints and profiles using PLA.

Support suggested that I check the extruder wheels and, whilst they look clean, there is evidence of some wear.

I print mostly PLA and, occasionally, PETG.

Of course, I understand that they are consumable parts, so don’t mind paying for new ones, but I’m curious to know what life others are getting from theirs.

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I’m also curious about this because I got a few “extruder malfunction” errors and I found the wheel gunked up each time. I have just 350 hours and only printed PLA and PETG. One of the PLA I use (BASF Ultrafuse) is extremely ridgid, though…

I’m curious what others say. I replaced mine when I bought it with the hardned extruder. I’ve got about 1000 hours and haven’t had any issues. Print mostly regular materials but also a decent amount of abrasives.

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Screenshot 2024-08-05 034119

If I’m mistaken my apologies, do you mean you replaced your [Nozzle] to a hardened steel one when you bought it?

The A1 Series both come and as far as I’m aware only contain a hardened steel extruder gear set unlike the P1 Series and X1 non -C model.

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I was referring to my P1.

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