A bale knotter is a mechanism that ties twine around hay bales, producing single or double knots. The bale wrapper creates rectangular bales and requires careful maintenance to avoid issues with hay getting stuck or twine tension. Round bales and wet pellets have replaced the bale wrapper in large industries.
A bale knotter is a mechanism that wraps twine around a bale of hay and ties it together so it stays together. It is part of a mechanical press. The bale tyer consists of a needle for pulling the twine, a long arm that pushes it around the hay, and a mechanism that ties the knot. A bale knotter can produce single or double knots.
The first action of a bale knotter is for the needle to move the twine onto a support. This holds it in place so one arm of the knife can cut the correct length. Then the twine is moved around the bale and towards a piece called a peck hook which causes it to knot. Often several spools of twine are stored within the baler so that the binder has sufficient supply to continuously tie the bales over long periods of time.
A bale wrapper is intended to create rectangular bales. It is used for both large industrial bales and small bales for independent farms. One of the most significant benefits of the knotter is that it produces bales in a form that is easier to transport.
While a bale wrapper is sturdy equipment, it needs careful maintenance to function properly. One of the biggest challenges with a knotter is that pieces of hay get stuck in the mechanism, preventing it from functioning properly. This can cause everything from badly knotted knots to misshapen bales. A common method of dealing with this problem is to have multiple fans aimed at the knotter while it is running, so it stays clean and runs efficiently during work hours.
Twine tension is another issue to consider with a bale knotter. If it is not tight enough, the bale will be tied loosely. When there is too much tension, it slows down the mechanism and puts too much strain on the machinery. This can result in slower production times and faster wear of the knotter.
While still in use, the bale wrapper has become less popular, particularly in large industries. For the most part, it has been replaced by round bales. These are much larger than even the most substantial rectangular bales and are mainly used on large industrial farms. Another method where the hay is baled into wet pellets and wrapped with plastic has also displaced the bailer binder.
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