#USB PORT CNC CONTROL PANEL SERIAL#
We created this specific board since – in order to manage the CNC machine via USB – it is not sufficient to use a traditional USB/parallel adapter in fact, as the data would be sent on a virtual LPT and in serial form (since the USB is a serial) and then recomposed in parallel form with a certain delay or, worse, with unequal delays among the bits: this would bring to a situation with movements on the three axes that are not perfectly synchronized, and therefore to mistakes when manufacturing the workpiece. Since many desktop PCs and all the notebooks no longer have a parallel port, we thought to a solution that will be described in these pages, and that enables to directly drive it via USB, and therefore by means of all the modern computers.
#USB PORT CNC CONTROL PANEL HOW TO#
In this article we will show you how to use it, for the purpose of engraving printed circuit boards by means of an open source software and a refined hardware solution that enables the management via USB, from the PCs that do not have a parallel port.Īs with most CNC machines, even ours is supplied with a 3-axes control board that is interfaced to the parallel board, so that it is possible to drive it by means of software of the Mach 3 kind, that converts the G-code into pulses that are directly produced on the parallel port. It is then surely possible to work with wood and, without overdoing it, it is possible to engrave (but at a low depth) aluminium plates. This machine, that stands out for the excellent value for money (which is suitable for an amateur CNC machine) has been thought mainly for engraving plaques (such as those for the mailbox, the intercom, the door) and plastic elements (even in POMs, Delrin included). In this post you had the chance to learn about and to evaluate our new CNC milling machine, equipped with a 9,000 rpm electro-spindle and with a compact PVC chassis, and available in assembly kit. Let’s print the PCBs by means of our CNC machine, that this time has been fitted with a controller that connects to a PC via USB, that draws the control signals and that regenerates timed pulses, simulating the parallel port.
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