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Horizontal Grinders for Reducing Wooden Construction & Demolition Materials, Land Clearing Debris
A horizontal grinder is designed to reduce wooden construction and demolition materials as well as land clearing materials (such as logs, bark and leaves) into reusable products like mulch, boiler fuel and compost. Horizontal grinders are named after their horizontal feeding system, which essentially is a conveyor belt that carries the material into a central chamber for grinding, at which point the final product is placed on a second conveyor belt and expelled from the machine into a pile. This feeding system, though slower than a tub grinder, is less likely to eject materials, and is therefore safer to operate around people, neighborhoods, and other populated areas.
When to Choose a Horizontal Grinder
First, consider what type of wood waste you are grinding. Horizontal grinders operate at a consistent speed that makes them especially excellent at handling longer materials such as pallets; they are also less susceptible to contaminants than other grinders. Grinding clean wood is always the best option, but a little dirt is less likely to cause damage to a horizontal grinder.
On the other hand, if time is critical to your operation, then horizontal grinders may not be fast enough to meet your needs. Horizontal grinders have a small opening that can process 15,000 pounds or less per hour, so be sure to factor the production rate into your purchase.
The complex feed system of horizontal grinders means they require a fair amount of maintenance, but they are also the best grinders for particle size control. If you need to produce high-quality mulch, animal bedding, or uniform wood chips on the first pass, then horizontal grinders are the way to go.
What to Check for With a Used Horizontal Grinder
- Check the exterior for excessive dents or welds
- Try to match the maintenance logs to the manufacturer’s handbook to ensure routine maintenance was achieved
- Check the hydraulic fluid level and pressure
- Find out what kind of material the horizontal grinder has been fed (logs, for example, will cause more wear-and-tear than agricultural feedstocks
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