Crusher Blow bars are the central part of a crusher, mainly an impact crusher. They are the bars that are used for crushing the actual material.
Most of the time, these crusher blow bars break without any warning; it happens to most of the impact crushers, and the owners are left speechless and confused. If you are also confused about why your crusher blow bar breaks without a trace then don’t worry. We will tell you all the reasons for it.
A broken crusher blow bar will cost you a lot when it comes to downtime and repairing; these reasons will help you secure your bar.
The placement of your blow bar matters a lot here. Your blow bar should be appropriately aligned with your crusher. A foil-lined blow bar will break down because of the lack of support from the surroundings.
You can make sure that your blow bar is correctly aligned by looking at any kind of gap in between them, if there is a gap and you can’t figure out how it got here, then these could be the possible reasons.
A crooked or not the right rotor. If your rotor is not in place, then most definitely your blow bar will go out of its business and stop working.
All the machines have different specifications and needs, just like those different kinds of crushers require various types and specific blow bars. You need to make sure that your blow bar is perfectly aligned with your rotor, if it’s not, then this can be probably because of an issue with the specifications.
Don’t get too furious with your supplier for giving you the wrong piece. Maybe the blow bar is not correctly fitted. A loose blow bar can act the same way.
An issue with the rotor:
This is why manganese blow bars are given so much importance. This is because they are more sturdy, and they have no rotor issues. You would also want to get your rotor checked if you can’t find a problem with the blow bar alignment.
You could also get your rotor rebuilt or changed.
Not correctly fitted.
As we mentioned earlier that if your blow bar is not fitted correctly, it can also cause breakage sooner or later. When the hinges wedges of the blow bar are not adjusted correctly.
The blow bar moves up to the rotor and is crushed down.
You need a blow bar support.
If everything else is okay at this point and your blow bar is still breaking down, then you need to check the kind of support that is offered by your wedges to the blow bar. If they and the rotor are worn out, that means your blow bar is getting no help at all.
Replace and renovate your machine, the nuts, and the bolts whenever needed.
Breaking of the crusher blow bars can be annoying but not anymore because this read would help you stay away from any reason that might mess your machine up. You can consult with Qiming Machinery to have all the answers related to crusher blow bars.