Duplicator 4/4x Hotend Upgrade Kit

thingiverse

This is everything you need to upgrade your duplicator 4/4x into a hotend printer. This lets you lift off weight from the printing head and makes it easier for you to print faster and reduce wear on your printer. Parts to buy: - 2 x 24-volt E3D or equivalent hotends. I used imported ones I bought online, but my old heaters and thermocouples didn't work with them. - Kit must include heat sinks, fans, fan mounts, a 2mm ID pipe, push fits, and the head end. - 2x M6 x 30mm nozzle throats. Don't get rid of your old ones because you'll need them for the stepper motors (you can see in the picture where there's a thread going right up to the gear and bearing). Get longer ones since the hotends need extra threading. - If you could adjust the bed further, you might not need them. - 2 x Aluminum extruder Mk8 upgrade kits (left and right type). This is a great upgrade anyway, but it helps when attaching the hotend pipe to the stepper motor extruders. - A gear upgrade - this is one of the best gears you can use as others might squeeze too much on the filament. - 2 x M6 couplers. Screw in your old nozzle throat up to the extruder gear and bearing then screw on the M6 coupler and add a push fit (you can see in the picture). - 2 x 30mm 24Volt fans - these are for the cooling duct. - An M3 to 25-30mm screw - this is for the head stop plate. Parts needed for printing: - A head stop. This stops the stepper motors from falling off (you can see in the picture). - A Remote extruder mount - This lets you move the motors to the back of your printer. - A Hotend Cable Mount - Holds cables in place at the head end. Your old cable mount is now redundant. - Fan guards (2-4). They help save money because the fans can break easily. The hotends do need a cooling duct, which you glue into place using some hot glue. You must change the head moving speed to 150mm/s on travel and retract about 3mm. Don't make more than this, as this won't help at all.