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Rotochopper grinding solutions convert a wide range of feedstocks into premium end products with “Perfect In One Pass” simplicity.

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Through our commitment to customer success, we lead the industry in innovation, developing several industry firsts, patented features, and unique machines.

Rotochopper grinders have a range of mechanisms to protect your machine from detrimental downtime including our StopWatch monitoring system and ferrous metal removal devices.

StopWatch Monitoring System

stopwatch tramp metal

How It Reduces Damage

The StopWatch system monitors rotor vibration to reduce damage from severe impacts with un-grindable objects, rotor imbalance, and other causes of damaging vibration. If an un-grindable object enters the grinding chamber, the StopWatch will sense the spike in vibration and instantly stop and reverse the infeed conveyor. By reversing the infeed conveyor, the StopWatch system lowers the chance of the rotor repeated striking the tramp object. Once the StopWatch is triggered, the infeed will remain stopped, allowing the operator to ensure the grinder is in proper condition before resuming operation.

Matched to Your Grinding Applications

To use the StopWatch, the operator sets an acceptable vibration level through the electronic controller. Since different feedstocks produce different vibration levels, the operator can quickly fine tune the vibration threshold to match the grinding application. Adjusting the vibration threshold can help avoid unnecessary stopping of the infeed from normal operating vibration.

bark

Ferrous Metal Removal

Rotochopper grinders and hammermills can be equipped with a variety of metal removal methods to help ensure you get end products that are free of ferrous metals.

 

Magnetic Head Pulley

magnetic head pulley working

Magnetic head pulleys are effective for removal of light ferrous metal, like pallet nails. The separated metal travels down the underside of the conveyor for collection in a dumpster.

Cross-belt Magnetic Conveyor

cross belt magnet wood grinder

A cross-belt conveyor is a self-cleaning plate magnet positioned above the discharge conveyor. Cross-belt conveyors offer greater levels of metal separation than magnetic head pulleys.

S-Chute Magnet

hammermill s chute

An S-chute magnet provides redundant metal removal for a hammermill to help ensure the material flowing into the hammermill is free of ferrous metal.

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