# Community Discussion **URL:** https://forum.sienci.com/c/general/5.md?page=1 [Latest](https://forum.sienci.com/latest.md) · [Categories](https://forum.sienci.com/categories.md) **Page:** 2 --- ## [110V Spindle Motor Kit，2.2Kw Spindle Motor 24000Rpm 400Hz ，VFD Variable Frequency Drive ，13 pcs ER20 Collets （1-13mm）](https://forum.sienci.com/t/110v-spindle-motor-kit-2-2kw-spindle-motor-24000rpm-400hz-vfd-variable-frequency-drive-13-pcs-er20-collets-1-13mm/27114)
**Author:** [@digi](https://forum.sienci.com/u/digi)\ **Replies:** 0\ **Last updated:** [September 17, 2026, 2:04am UTC](https://forum.sienci.com/t/110v-spindle-motor-kit-2-2kw-spindle-motor-24000rpm-400hz-vfd-variable-frequency-drive-13-pcs-er20-collets-1-13mm/27114 "2026-09-17T02:04:54Z")
friend gave 110V Spindle Motor Kit，2.2Kw Spindle Motor 24000Rpm 400Hz ，VFD Variable Frequency Drive ，13 pcs ER20 Collets （1-13mm） my question can I use it for my long mill mk2.5 see attached picture. I already got an… --- ## [Does anyone have any experience with the PWN spindle mount?](https://forum.sienci.com/t/does-anyone-have-any-experience-with-the-pwn-spindle-mount/21269)
**Author:** [@dehoutwinkel](https://forum.sienci.com/u/dehoutwinkel)\ **Replies:** 6\ **Last updated:** [September 16, 2026, 6:43pm UTC](https://forum.sienci.com/t/does-anyone-have-any-experience-with-the-pwn-spindle-mount/21269 "2026-09-16T18:43:17Z")
I have the Longmill MK2, spindle(&SLB). I am not quite pleased with the current mount as I don’t think it is sturdy enough, and I can never get it trammed perfectly. I wanted to know if anyone out there has used this mou… --- ## [Ryobi FRAMEWORK Customizable Workbench Kit for Longmill Mk3](https://forum.sienci.com/t/ryobi-framework-customizable-workbench-kit-for-longmill-mk3/27020)
**Author:** [@Flexter](https://forum.sienci.com/u/Flexter)\ **Replies:** 5\ **Last updated:** [September 15, 2026, 1:36pm UTC](https://forum.sienci.com/t/ryobi-framework-customizable-workbench-kit-for-longmill-mk3/27020 "2026-09-15T13:36:39Z")
Hello! I recently jumped into the CNC bandwagon after years of traditional woodworking as a hobby. While I wait for my Longmill Mk3 48x30 to arrive mid October, I am planning for my CNC table and I have a few choices: … --- ## [Drawers, drawers, and more drawers](https://forum.sienci.com/t/drawers-drawers-and-more-drawers/27085)
**Author:** [@kliebs](https://forum.sienci.com/u/kliebs)\ **Replies:** 8\ **Last updated:** [September 12, 2026, 4:01pm UTC](https://forum.sienci.com/t/drawers-drawers-and-more-drawers/27085 "2026-09-12T16:01:24Z")
Hi everyone - complete newbie to CNC for home projects. I’m considering getting the 48x48 Altmill. My main driver is that I need to produce 50+ plywood drawer boxes for various cabinets, built-ins, closets, and potentia… --- ## [Material recommendation](https://forum.sienci.com/t/material-recommendation/27086)
**Author:** [@NJacober](https://forum.sienci.com/u/NJacober)\ **Replies:** 1\ **Last updated:** [September 12, 2026, 5:01am UTC](https://forum.sienci.com/t/material-recommendation/27086 "2026-09-12T05:01:40Z")
I use fixtures that have scews holding down parts. I’ve been repairing my fixtures by boring out a 1 inch round plug and gluing in new Baltic birch plywood. Can someone recommend a material that will last longer? Delr… --- ## [Altmill is there anyone in the Wisconsin area that has a altmill and can help me set up a couple of things on gsender touch plate and homing my machine](https://forum.sienci.com/t/altmill-is-there-anyone-in-the-wisconsin-area-that-has-a-altmill-and-can-help-me-set-up-a-couple-of-things-on-gsender-touch-plate-and-homing-my-machine/27027)
**Author:** [@lonsdorf83](https://forum.sienci.com/u/lonsdorf83)\ **Replies:** 5\ **Last updated:** [September 10, 2026, 12:27am UTC](https://forum.sienci.com/t/altmill-is-there-anyone-in-the-wisconsin-area-that-has-a-altmill-and-can-help-me-set-up-a-couple-of-things-on-gsender-touch-plate-and-homing-my-machine/27027 "2026-09-10T00:27:16Z")
Is there anyone in Wisconsin area that has a altmill 4x4 and can help me with a couple of things to set up in gsender touch plate and homing my machine --- ## [ATC air filter regulator auto-drain](https://forum.sienci.com/t/atc-air-filter-regulator-auto-drain/27076)
**Author:** [@fibers](https://forum.sienci.com/u/fibers)\ **Replies:** 3\ **Last updated:** [September 9, 2026, 11:17am UTC](https://forum.sienci.com/t/atc-air-filter-regulator-auto-drain/27076 "2026-09-09T11:17:36Z")
Waiting on my first Altmill to arrive, yeah! I will have an ATC and I don’t see much detail around the filter regulator’s auto-drain behavior in the documentation—other than: “The unit will drip water, so do not mount … --- ## [How do you surface prep wood before painting a multilevel sign?](https://forum.sienci.com/t/how-do-you-surface-prep-wood-before-painting-a-multilevel-sign/27066)
**Author:** [@DPofFB](https://forum.sienci.com/u/DPofFB)\ **Replies:** 6\ **Last updated:** [September 8, 2026, 11:08pm UTC](https://forum.sienci.com/t/how-do-you-surface-prep-wood-before-painting-a-multilevel-sign/27066 "2026-09-08T23:08:02Z")
I want to creat a two level sign (think hi-way road sign) in 2 colors. The top level will be painted, masked and then carved. Before removing masking, the carved area will be painted a contrasting color. Does anyone have… --- ## [Stepper motors upgrade](https://forum.sienci.com/t/stepper-motors-upgrade/27074)
**Author:** [@Ian](https://forum.sienci.com/u/Ian)\ **Replies:** 1\ **Last updated:** [September 8, 2026, 9:14pm UTC](https://forum.sienci.com/t/stepper-motors-upgrade/27074 "2026-09-08T21:14:35Z")
Hi, I am trying to decide if upgrading my Longmill Mk2.5 to closed loop stepper motors is worth the cost. While doing my research, I came across the discussion below on this site (from 2024.) Given that less than 2 year… --- ## [Dressing up cabling when setting up CNC on the stand](https://forum.sienci.com/t/dressing-up-cabling-when-setting-up-cnc-on-the-stand/27061)
**Author:** [@qsligh](https://forum.sienci.com/u/qsligh)\ **Replies:** 0\ **Last updated:** [September 6, 2026, 5:56pm UTC](https://forum.sienci.com/t/dressing-up-cabling-when-setting-up-cnc-on-the-stand/27061 "2026-09-06T17:56:50Z")
Hi, While I haven’t received my unit yet, I’m trying to plan ahead. How do any of you “dress up” your loose cabling that doesn’t go into the drag chain? If you have pics, that’ll be great if you can share. --- ## [Spindle weight of 2.2Kw](https://forum.sienci.com/t/spindle-weight-of-2-2kw/27001)
**Author:** [@bobblack1](https://forum.sienci.com/u/bobblack1)\ **Replies:** 7\ **Last updated:** [September 4, 2026, 1:49pm UTC](https://forum.sienci.com/t/spindle-weight-of-2-2kw/27001 "2026-09-04T13:49:49Z")
have a mk2 w/extension kit. Can it handle the weight of a 2.2Kw spindle without sagging? Thank you, bob --- ## [Is Easel compatible with the altmill?](https://forum.sienci.com/t/is-easel-compatible-with-the-altmill/27047)
**Author:** [@RickyPickering](https://forum.sienci.com/u/RickyPickering)\ **Replies:** 1\ **Last updated:** [September 3, 2026, 12:58pm UTC](https://forum.sienci.com/t/is-easel-compatible-with-the-altmill/27047 "2026-09-03T12:58:36Z")
Does Easel work well with the Altmill? Do you have to use easel to control your machine or does it allow you to use G Sender? --- ## [Bit recommendations for Marble and thick polyethylene foam](https://forum.sienci.com/t/bit-recommendations-for-marble-and-thick-polyethylene-foam/27046)
**Author:** [@McDarrin](https://forum.sienci.com/u/McDarrin)\ **Replies:** 6\ **Last updated:** [September 3, 2026, 12:29pm UTC](https://forum.sienci.com/t/bit-recommendations-for-marble-and-thick-polyethylene-foam/27046 "2026-09-03T12:29:16Z")
I have two very different projects that I would like the communities thoughts and recommendations on: First, has anyone tried cutting marble on an Altmill? What bits would you recommend for such an endeavor? In my case … --- ## [Scott’s Guitar Build](https://forum.sienci.com/t/scott-s-guitar-build/27044)
**Author:** [@Grant](https://forum.sienci.com/u/Grant)\ **Replies:** 0\ **Last updated:** [September 2, 2026, 11:21pm UTC](https://forum.sienci.com/t/scott-s-guitar-build/27044 "2026-09-02T23:21:22Z")
Gday all, a few years ago Scott made a series of videos where he made a guitar from scratch and I’m wondering if anyone else actually followed along and built it. Im following along and I’m doing the neck first while I … --- ## [First waste board surface question](https://forum.sienci.com/t/first-waste-board-surface-question/27028)
**Author:** [@PoppaTim](https://forum.sienci.com/u/PoppaTim)\ **Replies:** 5\ **Last updated:** [September 1, 2026, 1:03pm UTC](https://forum.sienci.com/t/first-waste-board-surface-question/27028 "2026-09-01T13:03:54Z")
Ok so I got my spoil board mounted and am running the first surfacing cut. This Altmill is amazingly fast! Lots of MDF dust, but what the hey!! That’s what leaf blowers are for, right? Anyway, my question is I turned off… --- ## [Bellows for ball screw protection?](https://forum.sienci.com/t/bellows-for-ball-screw-protection/27022)
**Author:** [@DavidB](https://forum.sienci.com/u/DavidB)\ **Replies:** 1\ **Last updated:** [August 30, 2026, 9:57pm UTC](https://forum.sienci.com/t/bellows-for-ball-screw-protection/27022 "2026-08-30T21:57:49Z")
Anybody ever experiment will ball screw protection? It somewhat bothered me that the ball screws get coated in wood dust/chips and found out there is protection for ball screws in general in the form of “bellows”. Ma… --- ## [Where to find files for attaching the spoilboard](https://forum.sienci.com/t/where-to-find-files-for-attaching-the-spoilboard/27017)
**Author:** [@PoppaTim](https://forum.sienci.com/u/PoppaTim)\ **Replies:** 1\ **Last updated:** [August 30, 2026, 12:48pm UTC](https://forum.sienci.com/t/where-to-find-files-for-attaching-the-spoilboard/27017 "2026-08-30T12:48:20Z")
I’m trying to find some cut files to attach my spoil board to the table base. I have the MDF cut to the length and width that Sienci suggested. I have attached the T-track to the bed already but would like to use threade… --- ## [VFD and machine questions](https://forum.sienci.com/t/vfd-and-machine-questions/27013)
**Author:** [@PoppaTim](https://forum.sienci.com/u/PoppaTim)\ **Replies:** 1\ **Last updated:** [August 29, 2026, 8:33pm UTC](https://forum.sienci.com/t/vfd-and-machine-questions/27013 "2026-08-29T20:33:04Z")
Hello to all! Just got my Altmill 4x4 assembled and the spoil board is done. I just have to attach it along with the T-tracks and treaded inserts , then I can get to work! This is my first machine with a VFD and would li… --- ## [Blown board used a 36v power supply now won't turn on](https://forum.sienci.com/t/blown-board-used-a-36v-power-supply-now-wont-turn-on/26967)
**Author:** [@julian](https://forum.sienci.com/u/julian)\ **Replies:** 11\ **Last updated:** [August 28, 2026, 7:31am UTC](https://forum.sienci.com/t/blown-board-used-a-36v-power-supply-now-wont-turn-on/26967 "2026-08-28T07:31:29Z")
hi does any now if the std slb have a fuse that you can repair Julian in uk --- ## [AltMill MK2 2x4 3d STEP Model](https://forum.sienci.com/t/altmill-mk2-2x4-3d-step-model/26995)
**Author:** [@dmsheffield](https://forum.sienci.com/u/dmsheffield)\ **Replies:** 2\ **Last updated:** [August 27, 2026, 10:21pm UTC](https://forum.sienci.com/t/altmill-mk2-2x4-3d-step-model/26995 "2026-08-27T22:21:29Z")
Does anyone know if there is a step model for the AltMill MK2 2x4. I found the open source model for the 4x4, but would like details on the 2x4 to be able to place/mount a custom spoilboard. I’d also be interested if t… --- ## [Edge finder for use on AltMill](https://forum.sienci.com/t/edge-finder-for-use-on-altmill/26953)
**Author:** [@Smoose](https://forum.sienci.com/u/Smoose)\ **Replies:** 2\ **Last updated:** [August 21, 2026, 7:56pm UTC](https://forum.sienci.com/t/edge-finder-for-use-on-altmill/26953 "2026-08-21T19:56:06Z")
I have used conventional edge finders on various milling machines and CNC mills. I would like to be able to use one on my AltMill. But edge finders are limited to around 1000 rpm, which is too slow for a router. I don’t … --- ## [CNC Control issues](https://forum.sienci.com/t/cnc-control-issues/26947)
**Author:** [@fennelljc](https://forum.sienci.com/u/fennelljc)\ **Replies:** 1\ **Last updated:** [August 19, 2026, 9:26pm UTC](https://forum.sienci.com/t/cnc-control-issues/26947 "2026-08-19T21:26:31Z")
Hi, I am having issues with gSender v 1.62 I am using VCarve Pro Genmitsu 4040 Also the CNC is behaving odd. When I run the simulator in vcarve pro the file works fine When I run the file in gSender I receive the e… --- ## [Marine baltic birch plywood](https://forum.sienci.com/t/marine-baltic-birch-plywood/26937)
**Author:** [@sylthecru](https://forum.sienci.com/u/sylthecru)\ **Replies:** 8\ **Last updated:** [August 19, 2026, 12:52am UTC](https://forum.sienci.com/t/marine-baltic-birch-plywood/26937 "2026-08-19T00:52:01Z")
Hello everyone, I am a new user here coming from a onefinity CNC. With my onefinity I build the torsion box using marine grade baltic birch and added screw inserts to make my waste board replaceable. Are there any down… --- ## [Where do you get balanced ER 16 19mm nuts?](https://forum.sienci.com/t/where-do-you-get-balanced-er-16-19mm-nuts/25766)
**Author:** [@cniemann88](https://forum.sienci.com/u/cniemann88)\ **Replies:** 16\ **Last updated:** [August 18, 2026, 2:45pm UTC](https://forum.sienci.com/t/where-do-you-get-balanced-er-16-19mm-nuts/25766 "2026-08-18T14:45:06Z")
Since scienci no longer sells them…have you found a good balanced ER 16 19MM nut out there? I find myself swapping the collets more often than I anticipated, and there is a noticable difference in the resistance when ad… --- ## [Balanced collet nuts](https://forum.sienci.com/t/balanced-collet-nuts/25026)
**Author:** [@Chucky\_ott](https://forum.sienci.com/u/Chucky_ott)\ **Replies:** 13\ **Last updated:** [August 18, 2026, 2:43pm UTC](https://forum.sienci.com/t/balanced-collet-nuts/25026 "2026-08-18T14:43:51Z")
How critical is it to have balanced collet nuts on spindles intended for woodworking? I alternate between 1/8", 1/4" and 1/2" mills quite frequently and was getting tired of removing the collet from the collet nut. So … --- ## [TLS If using spoilboard as z-zer0](https://forum.sienci.com/t/tls-if-using-spoilboard-as-z-zer0/26914)
**Author:** [@ChrisAtJohnsons](https://forum.sienci.com/u/ChrisAtJohnsons)\ **Replies:** 4\ **Last updated:** [August 16, 2026, 4:26pm UTC](https://forum.sienci.com/t/tls-if-using-spoilboard-as-z-zer0/26914 "2026-08-16T16:26:05Z")
If I keep G54 z-zero as the spoilboard can I use the TLS to set bit length when I change bits? --- ## [Altmill Monitor Arm Mount](https://forum.sienci.com/t/altmill-monitor-arm-mount/26920)
**Author:** [@Onezero](https://forum.sienci.com/u/Onezero)\ **Replies:** 1\ **Last updated:** [August 16, 2026, 4:10pm UTC](https://forum.sienci.com/t/altmill-monitor-arm-mount/26920 "2026-08-16T16:10:26Z")
So I mucked up when I ordered my AltMill and didn’t snag the monitor arm mount that goes on the end of the rail. I’m looking for how everyone who didn’t get that mount has mounted arms for their monitors. I could mount… --- ## [Upgrading from a Shapeoko 3](https://forum.sienci.com/t/upgrading-from-a-shapeoko-3/26806)
**Author:** [@jabberwocky](https://forum.sienci.com/u/jabberwocky)\ **Replies:** 4\ **Last updated:** [August 14, 2026, 1:59pm UTC](https://forum.sienci.com/t/upgrading-from-a-shapeoko-3/26806 "2026-08-14T13:59:54Z")
New member, just purchased an Altmill 4x4 with the 220v spindle. I’ve been running a Shapeoko 3 XXL since 2016, when I lived in a townhouse and used the finished basement rec room as a shop. Moved to a house in 2018 an… --- ## [GControl Alternative](https://forum.sienci.com/t/gcontrol-alternative/26900)
**Author:** [@jagfan](https://forum.sienci.com/u/jagfan)\ **Replies:** 1\ **Last updated:** [August 13, 2026, 9:14pm UTC](https://forum.sienci.com/t/gcontrol-alternative/26900 "2026-08-13T21:14:47Z")
I have been considering the GControl computer for quite some time, but I don’t want another Windows machine to deal with. In the July Production Update, Andy mentioned a lower priced alternative. Does anyone have any i… --- ## [Auto-zero touch plate and homing](https://forum.sienci.com/t/auto-zero-touch-plate-and-homing/26877)
**Author:** [@DavidB](https://forum.sienci.com/u/DavidB)\ **Replies:** 17\ **Last updated:** [August 12, 2026, 6:41pm UTC](https://forum.sienci.com/t/auto-zero-touch-plate-and-homing/26877 "2026-08-12T18:41:23Z")
I just wanted to verify that when using the auto-zero touch plate for xyz before each job there is no reason to home the machine, is that correct? [Previous page](https://forum.sienci.com/c/general/5.md) [Next page](https://forum.sienci.com/c/general/5.md?page=2)