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Tub Grinders for Reducing Logs, Brush, and Wooden Construction & Demolition Materials
A tub grinder is a uses large industrial hammers to pulverize wood waste material like stumps, brush, bark into usable products such as mulch, boiler fuel and compost. Tub grinders are fed from a large opening in the top, usually with the help of an excavator (though there’s self loading tub grinders with a grapple), where they are reduced into a final product with hammers, put on a conveyor belt and expelled into a neatened pile. Smaller tub grinders are sometimes used around the farm to grind agricultural feedstocks into animal food and bedding.
As heavy promoters of recyclable solutions, the My Little Salesman marketplace has a wide range of tub grinders that can reduce your wooden waste materials into something new. Whether you are on a farm or working deep in the forest, you’ll be able to save overhead and minimize your carbon footprint with a tub grinder.
How to Choose the Right Tub Grinder
Horsepower is one of the most important specs in the world of tub grinders. A tub grinder with a strong engine will let you grind larger material faster – especially logs and stumps. However, the faster speeds also increases the likelihood of debris coming out of the revolving tub, so be careful.
Next, there are two types of hammers:
- Fixed Hammer – Better at pulverizing hard material like logs, but does not create even components.
- Swing Hammer – A softer swing, but better at grinding small material such as soft bark and wood chips into uniform components.
Finally, there is the tub size:
- Make sure that the size of your tub is the same size as the loading bucket or larger. Otherwise, overfilling the tub grinder becomes far too easy.
What to Check When Buying a Used Tub Grinder
- Check for any external dents or welds (a sign of accidents or abuse)
- Check the maintenance log to make sure the tub grinder has been inspected every 250 hours
- Check the moving parts for lubrication and wear-and-tear, paying special attention to the screen for any nonorganic material
- Check all fluid levels
- Find out what kind of material the tub grinder has been using (green waste, for example, has a high level of contaminants, and can cause wear-and-tear very quickly)
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