# PEEK/nylon hot end **URL:** \ **Category:** Showcase & Prints\ **Created:** [July 25, 2021, 11:26pm UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088 "2021-07-25T23:26:14Z")\ **Posts on this page:** 13\ **Page:** 1
**Author:** ![Ledtheway](https://avatars.discourse-cdn.com/v4/letter/l/c67d28/32.png) [@Ledtheway](https://forum.snapmaker.com/u/Ledtheway)\ **Post date:** [July 25, 2021, 11:26pm UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/1 "2021-07-25T23:26:15Z")
1. Does snapmaker have an all metal hot end 2. Is there any talk about a higher upper level temps for the likes of PEEK, Nylon? Or Has somone created a reliable mod for the snapmaker 2.0 a350 to do such Another side topic: ![20210724_212646](https://us1.discourse-cdn.com/flex022/uploads/snapmaker/original/2X/2/203d8d6bb169d250a6c6eca037a0b114c27193a9.jpeg) how the hell can I level my bed better, I calibrate after each shutdown using the onboard calibration tool. There’s random spots where its lower and hard to get a reliably adhering or even first layer print.. (see pic) ideas about the printing issues? -215c&55c, 60mm/s, with pla “stone” Thanks all! ---
**Author:** ![edf](https://avatars.discourse-cdn.com/v4/letter/e/7cd45c/32.png) [@edf](https://forum.snapmaker.com/u/edf)\ **Post date:** [July 26, 2021, 12:07am UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/2 "2021-07-26T00:07:09Z")
[FYI: Snapmaker 2 All-Metal Hotend Simple Mod](https://forum.snapmaker.com/t/fyi-snapmaker-2-all-metal-hotend-simple-mod/10046) Can’t help you with the bed levelling but there’s about a hundred threads on it here. I suggest measuring the difference between the high and low areas of your bed and set your first layer height to that value or greater. Only way I got it to stop doing what you show. The SM2 bed is neither level nor flat. ---
**Author:** ![BluegrassBlaster](https://avatars.discourse-cdn.com/v4/letter/b/8797f3/32.png) [@BluegrassBlaster](https://forum.snapmaker.com/u/BluegrassBlaster)\ **Post date:** [July 26, 2021, 12:28am UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/3 "2021-07-26T00:28:17Z")
Do an 11x11 calibration grid. You can do it with the terminal, so you don’t use the touch screen. It is way better than the 5x5 in the software. [https://forum.snapmaker.com/t/snapmaker-2-0-3d-print-module-calibration/19384](https://forum.snapmaker.com/t/snapmaker-2-0-3d-print-module-calibration/19384) ---
**Author:** ![MooseJuice](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/moosejuice/32/10684_2.png) [@MooseJuice](https://forum.snapmaker.com/u/MooseJuice)\ **Post date:** [July 26, 2021, 1:14am UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/4 "2021-07-26T01:14:30Z")
Pre-heat your bed at temp for about 10 minutes prior to calibration, and run a 5x5 at least. You can run higher with macros. This makes a world of difference. Eventually you may decide to move on to a glass bed, which is even more of a transformation. For now, simply pre-heating and running a higher grid will make a nice impact for you. ---
**Author:** ![ElloryJaye](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/elloryjaye/32/13979_2.png) [@ElloryJaye](https://forum.snapmaker.com/u/ElloryJaye)\ **Post date:** [July 26, 2021, 2:32am UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/5 "2021-07-26T02:32:01Z")
Note that the “bed levelling fixes” included in the most recent firmware versions are kind of significant. The points being probed by the older firmware versions weren’t quite where the machine thought they were. It might be worth updating, if you haven’t already. (Or not, since the most recent firmware introduces New And Interesting Bugs in other areas.) ---
**Author:** ![MooseJuice](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/moosejuice/32/10684_2.png) [@MooseJuice](https://forum.snapmaker.com/u/MooseJuice)\ **Post date:** [July 26, 2021, 2:50am UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/6 "2021-07-26T02:50:49Z")
Also, this might interest you. > [@FYI: Snapmaker 2 All-Metal Hotend Simple Mod](https://forum.snapmaker.com/t/fyi-snapmaker-2-all-metal-hotend-simple-mod/10046): > > Let me put some context. I want to use my 350 to print Carbon Reinforced PETG, in order to do that I have to be able to reach around 260 Degrees, a bit more if I have to use a hardened steel nozzle to manage the wear. As you may know, PTFE starts to degrade and generate toxic fumes around 240-260 degrees. In the Snapmaker 2, we have a PTFE lined hotend, that means that there is a PTFE tube that gets up to the nozzle, thus I needed an all-metal hotend to avoid the problems of PTFE degradation. I… ---
**Author:** ![dstarke](https://avatars.discourse-cdn.com/v4/letter/d/c5a1d2/32.png) [@dstarke](https://forum.snapmaker.com/u/dstarke)\ **Post date:** [July 26, 2021, 11:46am UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/7 "2021-07-26T11:46:12Z")
> [@MooseJuice](#): > > Pre-heat your bed at temp for about 10 minutes prior to calibration, and run a 5x5 at least. You can run higher with macros. Be careful with this. I have crushed two print sheets already because the proximity sensor got quite unreliable at high temperature environment. ---
**Author:** ![edf](https://avatars.discourse-cdn.com/v4/letter/e/7cd45c/32.png) [@edf](https://forum.snapmaker.com/u/edf)\ **Post date:** [July 26, 2021, 1:28pm UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/8 "2021-07-26T13:28:09Z")
Was the proximity sensor height not set correctly? When it’s 1mm higher than the nozzle, the print head stays pretty high (a few mm gap under the nozzle) during calibration, even at 65-70. ---
**Author:** ![MooseJuice](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/moosejuice/32/10684_2.png) [@MooseJuice](https://forum.snapmaker.com/u/MooseJuice)\ **Post date:** [July 26, 2021, 1:53pm UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/9 "2021-07-26T13:53:11Z")
It likely wasnt sensing properly then, because the print sheet itself warps up (with the frame underneath it), and the prox sensor detects the spring steel in the print sheet. That’s how this particular system works. ---
**Author:** ![dstarke](https://avatars.discourse-cdn.com/v4/letter/d/c5a1d2/32.png) [@dstarke](https://forum.snapmaker.com/u/dstarke)\ **Post date:** [July 26, 2021, 6:53pm UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/10 "2021-07-26T18:53:02Z")
The issue did not occur during calibration but at the next print. ---
**Author:** ![stewl](https://avatars.discourse-cdn.com/v4/letter/s/e5b9ba/32.png) [@stewl](https://forum.snapmaker.com/u/stewl)\ **Post date:** [July 26, 2021, 8:53pm UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/11 "2021-07-26T20:53:20Z")
Firmware version 1.12.2 contains the levelling fix and changed little else so doesn’t have any of the “Fixes” in 1.13.1 that seem to be causing lots of problems. I think people should at least use 1.12.2 > [@Snapmaker 2.0 Firmware Updates and Downloads](https://forum.snapmaker.com/t/snapmaker-2-0-firmware-updates-and-downloads/5443/15): > > Jul 9 2021: Snapmaker2\_V1.12.2 Thank you for your suggestions on how to make the Snapmaker 2.0 better. Your feedback is always appreciated. Here comes the latest version of the Snapmaker 2.0 firmware. Changelog Controller New Features Support “M301” G-code for setting up Hotend PID. Parameters [P\] [I\] [D\] for setting up Hotend PID Bug Fixes Fix a bug where bed mesh used in calibration didn’t match one used in printing. Improvment Improve the serial message … ---
**Author:** ![Ledtheway](https://avatars.discourse-cdn.com/v4/letter/l/c67d28/32.png) [@Ledtheway](https://forum.snapmaker.com/u/Ledtheway)\ **Post date:** [August 10, 2021, 9:48pm UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/12 "2021-08-10T21:48:19Z")
this thred is no longer available. did they remove it? ---
**Author:** ![brent113](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/brent113/32/11114_2.png) [@brent113](https://forum.snapmaker.com/u/brent113)\ **Post date:** [August 10, 2021, 10:11pm UTC](https://forum.snapmaker.com/t/peek-nylon-hot-end/20088/13 "2021-08-10T22:11:01Z")
yes, there’s a cached copy here: [Snapmaker 2.0 3D Print Module Calibration - Snapmaker 2.0 - Snapmaker: where creation happens](https://webcache.googleusercontent.com/search?q=cache:XwZ5Mrv_jeoJ:https://forum.snapmaker.com/t/snapmaker-2-0-3d-print-module-calibration/19384+&cd=1&hl=en&ct=clnk&gl=us)