![]() ![]() All control boards currently used with voron expect one winding to be connected on pins 1&2, and the other on pins 3&4. If you are using the exact BOM motors, the colors shown in the wiring guides should work, however in any other case, you should verify your motor wiring. As a result, it is often necessary to re-order stepper motor wires even on motors sold specifically for use in Vorons. There is no standard either for the color of wire on stepper motors, nor for the order of wires in the connector. Optionally print cable covers for the rails. Keep in mind that the adhesive fails over time due to exposure to above room temperature. with adhesive) to organize your cables in the electronics compartment. However, these cables will be heated/cooled and moved around as much as your live cables and may be broken already when you need them! So may be better to keep extra wires as spares outside of the printer.īuy some cable holders (e.g. You may add additional wires to your cable chains as a replacement in case of wire breaks. Do not downsize the hot end heater wires, they are oversized for safety reasons. ![]() See the cable lengths and count section for specific counts. Automation cable such as IGUS can be used, but the minimum bend radius of the cable needs to be verified as the typical bend radius for Voron cable chains is very small. For printers with an umbilical cord cabling setup (V0 Toolhead, Legacy), they might be overkill. But these advantages are most useful in printers that use cable chains. PTFE or Heluflon wires are a premium option as they have a thinner insulation and a lower friction coefficient, which increases bending capabilities and decreases wear. Check your cable loom before installing the chains. It is less prone to snagging on other wires or the walls inside the cable chain. Silicone insulation withstands heat and is more flexible which is good in high movement applications. Silicone wiring has been specified because it has a high strand count which means it has higher fatigue life. When assembling Microfit connectors, the male pins are inserted into the female housings and the female pins are inserted into the male housings.įor larger wires, such as heater cartridge wiring, heatshrink tubing is helpful. The thermistor can use a 2pin Microfit connector. Use a 3pin MLX connector (see the official sourcing guide) to allow your bed to be removable without disconnecting from the SSR directly. Adding Molex connectors to all stepper motors is useful. JST connnectors are not available as mid-wire connectors so they must be mixed. The recommended MicroFit 3.0 connectors are specified for up to 5A and should be used for all connections to the stepper motors, hotend and limit switches The JST connectors are used for connections to the MCU board(s). ![]() If using an AC powered bed, be sure to ground the bed regardless of if the assembly manual specifies it or not.Dont run your bed above 110☌, this reduces the lifespan of the adhesive holding it onto the build plate.Add a 115-125☌ thermal fuse to your bed heater as an additional safety measure Buy a quality SSR (see the official sourcing guide), cheap clones may overheat and fail closed causing a heater thermal runaway.Use at least 18 AWG (0.75 mm²) for mains AC wiring, even better would be 16 AWG (1.25 mm²) AC wiring should be properly dimensioned.Bad crimps are a major source of problems later on and sometimes hard to identify! Tipsĭepending on your level of expertise it may be useful to practice crimping and soldering before wiring everything up. In particular the stepper drivers can be easily damaged by connecting or disconnecting stepper motors while powered. In addition to being a safety hazard, it is very easy to damage electronic components. Never plug or unplug any device while the printer is powered. The recommendations made in here are typically out of an abundance of caution to prevent fires. Always double check to make sure your printer is unplugged and the capacitors in the power supplies have discharged before touching any wire or terminal. When wiring your printer electronics, you will be working with line voltage wiring (120V / 220V AC). ![]()
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