![]() The shaft is prevented from (easily) slipping by a spring mounted inside the laser which keeps some pressure on the shaft threads. The laser unit has a knurled adjustment knob at the bottom, this screws onto a threaded shaft which contains the focussing lenses. To locate the laser port, please see the circled red port below: While the the 3018 laser port location is different, the wiring diagram remains the same. Please note, that while the attached diagram used is for the MX3 board, the pin locations are identical to those on the PROVer board.įollow Connection Diagram B from the above PDF if you are using a 3018 Pro CNC. ![]() Follow Connection Diagram A from this PDF to connect to CNC if you are using a PROVer CNC. With the Cooling fan pointing up and away from your machine, fit it squarely into the grooves in the spindle mount and secure into place. It is also wise to take note of the location of the nearest fire extinguisher. Because of the above, only operate your laser in a well ventilated area, wearing a face mask to protect from fumes and the supplied goggles to protect your eyes. Hitting a resin pocket in a piece of pine can cause a fire. If cutting a material such as MDF from which the dust can be toxic, and when burnt the fumes are also toxic. ![]() If cutting a flammable material, for example paper, it is quite possible to set it on fire. If you use a different laser then you will need something suitable for the frequency of that laser. They are designed to limit the frequency of the light which can pass to prevent any damage and tend to be specific to particular lasers which use different wavelengths of light, the supplied goggles are designed for use with these lasers which use around 450nm as the wavelength. With weaker lasers, like a portable laser pointer, usually it needs to be projected directly into the eye to be damaging, but with laser engravers there is a risk of damage even from observing the laser indirectly (such as engraving a project) if everyone present is not wearing proper eyewear.įor this reason, a pair of safety goggles is included with the purchase of a 2.5W or 5.5W laser. Acceleration values set to 30mm/sec/secĮven the weakest of laser modules is strong enough to destroy your vision completely, and that of any pets, children, or spectators. Acceleration values set to 30mm/sec/secĪs above but with acceleration set to 1000mm/sec/secĪs above but with acceleration set to 5000mm/sec/secĭraws a more complex shape designed to determine the effect of increasing the $120-122 acceleration values when using a Spindle Motor. nc file.ĭraws a more complex shape designed to determine the effect of increasing the $120-122 acceleration values when using a laser. Settings are in comments at the start of the. ![]() If the laser focus is exact the centre line should be perfect, the ones to the sides, less perfect. A set of reference marks at a higher power are drawn first to show where each line should be. The Z axis is varied between each line with the centre line being at Z0. Laser Draws 11 vertical lines above a set of reference marks. Laser Draws/cuts/engraves 5 rows of 10 boxes, settings are in comments at the start of the. Laser Draws/cuts/engraves 10 vertical lines, settings are in comments at the start of the. If you don’t have Microsoft Excel sample GCode files are provided which of course can be edited using a text editor. Draws vertical lines, an array of boxes with varying speeds and feeds, a focusing test and a more complex shape to determine the effect of acceleration rates. It allows you to easily change the speed, feed with other parameters. Just import into LaserGRBL.Įxcel spreadsheet which generates simple GCode for some setup tests, mainly for a Laser. The files included are as follows:Ī custom button setup for easier use of LaserGRBL, including all the coding, icons and setup. Along with the guide itself, to utilize this resource successfully you will need the accompanying files, which you can download together as a. This guide is a part of the “Introduction to CNC for a Total Novice” series. ![]() The laser module for 3018PROVer and 3018PROVer Mach3 Introduction to CNC for a Total Novice: Setting up a Laser ![]()
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