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Importance of Proper Grinder Operation

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b2ap3_thumbnail_seattlemetalobject.jpgAs many of you may have seen in the news the past week, ( Metal Object Crashes Through Roof ) tub grinders do pose a risk when not operated and maintained properly.

We can see in the photo how damaged the tip is. Normal operation of a grinder with minimal contaminants ( Common Contaminants ) would not cause bolts to break free and eject the hammer tip in such a way.

It is critical to ensure hammer tip bolts are regularly checked and the proper size and grade bolts are used. The typical recommendation is a Grade 8 Bolt tightened per manufacturers recommendation.

One of the best ways to separate contaminants and save money is to utilize screening equipment ( Save Money with Screening Equipment ) in your operation.

Tub Grinders are especially known for their potential to throw material out; possibly large material at quite a distance as seen in the article. The best way to minimize this potential is the proper loading of your grinder. The key is to keep the tub as full as possible so there is a layer of material over the hammermill, preventing materials from being able to come out. When first beginning to grind, load the tub as full as possible on the side away from the hammermill, ideally with heavier material on top to help push material down into the mill. As you continue to grind try to keep the tub as full as possible.

For other operational tips check out some of the other articles in this guide or give us a call! 866.227.2244

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