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RailCore 300ZL Kit Update 10.02.18

RailCore 300ZL Kit Update 10.02.18


TLDR: On track still even with a delay but we planned for it. We blab about our component choices. If you have purchased some aluminum parts from Mandala or 713 Maker and can prove it we can discount the kit for this batch, read more below. We used this time waiting for parts to perfect our side panel milling and now we have access to a new toy to play with!


Over the last week we have received all components but one, sadly the heated beds from Keenovo are delayed in customs. We were well aware that this would be the case so we ordered them early to try to offset the delay as much a possible. Now that we have locked everything down we can go into more detail of the components we are using.

  • Linear Rails- We will be sticking with Zyltech Linear rails, we have been testing them since before the RailCore Kit was established for a future unit we will be announcing. Currently we have had to rebuild an average of 1 out of every 27 rails we test. After a rebuild we have had satisfactory results out of nearly every rail. We do add light lubrication but please be aware, to lengthen the life of the system and maintain high qulity you must maintain your linear rails.

  • Heated beds- We will be using the Keenovo heaters for now, we say for now due to the uncertain future of maintaining relationships with Chinese manufacturers due to the current “Trade Wars”. We do have a backup plan in the case of the relationship falling apart. If it were to happen we would switch to 360W DC heated beds which are capable of 120C. We currently use these on our D-series printers with great results. If this were to happen the 320W power supplies would be swapped with a 504W.

  • Power Supply- We are using a genuine Mean Well Power supply, when it comes to power, we refuse to cut corners.

  • Wiring harness- We will be using genuine Molex connectors and appropriate wiring to ensure it exceeds standards.

  • Aluminum parts- As stated before we will be sourcing the X Carriages from Mandala Rose Works and the Stepper Mounts and Idler Mounts from 713 Maker. The milling of the aluminum beds in house will be done by the machinist we have worked with for years. He is highly qualified and previously worked with world renowned companies and machined parts used on the ULA rockets. We will be working to ensure the beds are to the high standards that 713 has established.

  • Electronics- The Duet WiFi of course. As we scale up the kit production Filastruder will be supplying us with the electronics for the kits until we are required to go directly to Think3DPrint3D. Filastruder has be an awesome part of the community for many years, there is no-one we would rather work with.


If you already have the Bed, Idler mounts and/or Motor Mounts from 713 Maker let us know we will discount the kits for you. Also if you have the X Carriages from Mandala Rose Works we can also discount the kits. Please be aware, you must prove you have purchased them, we are holding our kits to a certain standard and will not sell a kit without these parts unless already purchased. As of now this is only for the first batch.   


Now to what we have been working on over the last week. We have been protecting our workflow with milling the side panels. We doing this now while we wait for parts to arrive so as we scale up production, its one less hurdle we have to come to. Up to now we have been using upgraded x-carves for the side panels but we now have access to a 4’x8’ Shopbot to ramp up production faster. We have also been printed the parts for the kits and almost have the first batch complete.


We have also been working on getting kits to the European market. Currently we have been approached  by a couple of people interested in selling the kits and are also reaching out to established resellers. We are hoping to have something established by mid-month so we can begin to ship to Europe in November. We will keep you updated.

We will being posting pictures over the next week keep an eye out!

Project R3D Team


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RailCore 300ZL Kit Update 9.25.18

Lets get down to brass tacks, the final price of the kit has been set and we are happy to say we have stayed between our target price points. The price of the kits will be $1550.00 +shipping. With that price we are offering some awesome addition to the standard BOM if self sourced. We currently offer three options for hotend, Mosquito, V6 and a BYOH option, as we hinted at last week, the V6 will be the Gold Edition by E3D. This upgrade give you a hardened steel nozzle, plated copper-alloy heater block and Capricorn PTFE tubing. Another upgrade is from the Titan extruder to the Bondtech BMG, we felt these kits needed the best extruder. Now to the wiring, each kit will come with a wiring harness already cut and crimped for you so you don't have to spend your time hassling with it. With the way we have our kits set, if you self sourced it, you would be paying $1500 +shipping from several different suppliers.

Image from E3D https://e3d-online.com/v6-gold-hotend

Image from E3D https://e3d-online.com/v6-gold-hotend


So are we doing anything different than standard BOM? Yes, there will be two major differences. First will be the Z stepper motors, in the BOM it states to get 0.9 degree steppers but we are going with 1.8 degree. Don't fret we are also switching from 4mm pitch to 2mm pitch lead screws, this will keep the ratio of .01mm/1 step! This will also assist in limiting “Z walk” when powered off. We will also be using delrin anti backlash nuts rather than the brass.  The next big difference is the panels, we will be milling the RailCore II name into every set.


As most of you are aware Mandala Rose Works and 713 Maker offer Aluminum components for the RailCore. As we stated before we will be working with them, currently we will be using the X Carriages from Mandala along with the Idler Pulley Mount and Motor Mounts from 713. We will be milling the beds in house due to the logistics of having them done by 713 just didn't add up. We have a bed from 713 for reference to ensure we are providing the same awesome quality they have always provided. We will not be selling the beds, x carriages, idler pulley mounts or motor mounts separately from the kit, if you would like them please go to http://www.mandalaroseworks.com/product/railcore or https://713maker.com/railcore-ii-300zl. Mandala also offers aluminum Z Yokes if you would like them.


Now to the timeline, we are on schedule at this time. We began receiving the Duets and extruders this week along with the aluminum components from 713. We are expecting the aluminum extrusion to be delivered on Wednesday and the hardware to be delivered today. Our goal is to begin shipping no later than October 31st once we have the shipping nailed down we will be sending you an invoice for the final payment.


Now that we have announced the final price of the kit, we will be allowing all pre-orders made prior to this announcement to request a refund for 48 hours for whatever reason. Please email us at info@projectr3d.com and we will take care of it.  Moving forward the $50 pre-order will be nonrefundable.


We are working on some additional “goodies” to be added into the kits, we will let you know in the coming weeks. We will keep up with the in depth updates every week to let you know how everything is progressing. If you have any questions or suggestions please let us know at info@projectr3d.com.

Project R3D Team

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