ᐅ Why do BILLY doors often start squeaking only after heavy use?

I have noticed that the doors of my Billy bookcase often start squeaking only after intensive use. Therefore, I am very interested in understanding: Why do BILLY doors frequently begin to squeak only after prolonged use? Are there known mechanical or material-related reasons for this, possibly also connections to the design or material fatigue? I would appreciate well-founded explanations to better understand what is happening and how this can be prevented as much as possible.

Oh yes, I totally understand! With my BILLY doors, the squeaking only started after using them regularly for a while. Often, this happens because the hinges and other moving parts need to be "worn in" a bit first. :-) The metal parts rub against each other, and without lubrication, that causes the squeaking. A little oil or graphite powder can really work wonders! Just give it a try – it’s brilliant! 😉 So no need to worry, this is completely normal and easy to fix!

Interesting question, but I believe that this squeaking after heavy use is not purely coincidental or due to material fatigue. Actually, it should be the other way around, right? When something is properly broken in, it should become quieter, not start squeaking loudly. Perhaps the squeaking is more a sign that the hinge design or the choice of materials was not optimal from the start. One could almost say that IKEA may have cut corners in the wrong place with BILLY doors – the squeaking is just an annoying symptom of a technical weakness.

I think your point deserves a more nuanced view. I agree that squeaking can indeed indicate a design issue. However, it’s important to consider that squeaking often results from insufficient or missing lubrication. With frequent use, small amounts of material wear off, which combined with a lack of lubrication leads to the characteristic squeaking sound.

NOAHSAU schrieb:
One could almost say that IKEA saved money in the wrong place with the BILLY doors here

That’s a strong statement, but IKEA usually uses proven standard hinges. Often, it’s simply a matter of maintenance to prevent operational noise. This is common with almost all hinge-based doors.

BILLY doors squeak because the hinges are not lubricated. After heavy use, friction marks appear. Simply apply WD-40 or another lubricant, and the problem is solved.

I would like to take a closer look at this topic. The squeaking in BILLY doors after heavy use is mostly caused by the combination of hinge mechanics and material properties.

First of all: BILLY hinges are usually simple steel pivot joints with plastic bushings. When used for the first time, these moving parts are inexperienced with friction points – which can be quiet or even unnoticeable. However, with frequent use, small signs of wear develop that increase friction. This friction mainly occurs due to insufficient lubrication between the metal pivot and the plastic bearing.

Additionally, the manufacturing process leads to the formation of fine debris. These particles can cause small surface irregularities, which then affect the noise behavior. It is advisable to clean the hinges regularly before applying lubricant to remove dust and debris.

It is also interesting that temperature fluctuations affect the material and can thus change the stress on the hinge.

In conclusion: The squeaking is a typical sign of aging caused by friction, not a direct production defect, and can be significantly improved with some maintenance. I would also like to know if the doors have previously been opened and adjusted?