![]() ![]() We've moved to a smaller diameter heatsink that is also shorter in length. The first target for slashing size was the heatsink. Our first mission was to decrease bulk - the heatsink and the fan comprise much of the size of the hotend, with bowden fittings in the relevant versions also adding a fair bit of size up top. Looks matter! Our machined metal parts look awesome, but with them hidden behind a printed fan duct you can't admire all that wonderful engineering.We wanted to make it easy to differentiate between nozzles. Because all nozzles share the same shape they are hard to tell apart, particularly when there is plastic residue remaining on the nozzle.All v5 nozzles share the same shape of tip that lays down the track of filament, we wanted to make the shape of each nozzle more suited to their particular use case and application so people can get the best results from each nozzle size.Make different sized nozzles more suitable for their application and each size more identifiable.1.75mm Bowden users were experiencing a disproportionate amount of problems, which was traced back (with much help and hard work from Michael Hackney) to nozzle geometry in certain situations needing high extrusion pressures that resulted in starvation of filament flow.v5 has a great track record of reliability with less than one per cent of users experiencing issues due to manufacturing, however we really wanted to eliminate any chance of future defects.Thermistor placement in v5 is close to the surface of the block, which makes things easier when your thermistor has to be insulated with kapton but has some impact on the precision of the readings.v5 uses a set screw to secure the cartridge which works well, but because of the slight variances in heater cartridges the hole in which the cartridge sits has to have some clearance to allow it to easily slide into place, this affects heat up times and control.Shorten heat up times and increase accurate control of temperature.Flexible filaments are entering the market and have some exceptionally useful properties and we want to enable more people to use them with a better printing experience.v5 works as well as any other HotEnd on the market for flexible filaments, however this inevitably means printing very slowly, getting messy prints and having to constantly battle with buckling in the extruder. ![]()
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