One element that’s often overlooked is the filament spool; if it’s not rotating smoothly, the drag it puts on both the extruder and movement of the print head can cause difficult to diagnose issues. For his custom built printer, [Marius Taciuc] developed a very clever printable gadget that helps the filament roll spin using nothing but the properties of the PLA itself. While the design might need a bit of tweaking to work on your own printer, the files he’s shared should get you most of the way there.

Hackers have been trying to solve the spool friction issue for years, and as you might expect we’ve seen some very clever designs in the past. But we especially like how simple [Marius] has made this design, and the fact that you don’t need to source bearings to build it. If you’re thinking of giving this new design a shot, be sure to leave a comment so we know how it worked out for you.

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Fibre type : Greige,Optical white, Doped dyed Fibre Size & Length : Denier:0.5 to 15D & 6mm to 130mm End use/Application : For Textile Industry

The next part also sheds light on the gap between supply and consumption. Apart from the mentioned information, growth rate of Automotive Hub Bearing Industry in 2024 is also explained. Additionally, type wise and application wise consumption tables and figures of Automotive Hub Bearing Industry are also given.

Do you no longer work on Cura? That would be a shame, it’s great software even for non-ultimaker printers.

“I want us to work on ways we can manage addiction, I want people to not be addicted, period. But we can’t say we are going to fix addiction by hurting people who are not addicts and who are just patients trying to be treated by their doctors,” said Schulz, who is in remission.

Most design engineers will already be familiar with the technical advantages provided by a needle roller bearing – the ability to handle relatively high loads in a compact design envelope. This technical advantage has made the needle roller bearing the preferred choice of bearing in a wide variety of industrial and automotive power transmission applications over the years.

Bearings for all turbine components are selected to meet a 20-year design life, with a low likelihood of failure. Most manufacturers follow Germanischer Lloyd guidelines for gearbox bearings. GL requires analyzing gearbox bearings for Rolling Contact Fatigue (RCF) resulting in a calculated life of at least 130,000 hours with a likelihood of failure at less than 10%. However, the axial cracking failure mode differs from the classic RCF failure mode. RCF failures are caused by damage to the bearing material that accumulates over time at well-understood rates. Axial cracking failures are relatively recent phenomena and their failure modes are less well understood.

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Here is another coupling which is very interesting – the axes must be parallel, but can have a (fairly large) offset.

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