The best counter-rotating stemware is available in two varieties, namely the two-stage rotator or tiller and the single stage rotator. A rotator is a rotating shaft which is attached to the agitator wheel and the agitator which work upon the rotor shaft to produce harvesting material. In the single stage machine, the rotator moves one phase at a time and the agitator moves only a portion of the time. The advantage of the single stage is that the operator need not rotate the rotor blade as often.
The two stage equipment can have variable speed control. The tiller can be manually or mechanically operated and it is designed in such a way that it can rotate at various speeds in relation to the requirements of the harvesting operation. The rotor blades of the tiller are available in different sizes. They can be circular or rectangular in shape.
The rotator belt or spool is an integral part of the rotator. It is fixed to the spool by a rotator strap. This spool or belt is typically made from steel, aluminium, fiberglass or plastic. The best ones are usually those which are made from heavy duty high tensile steel.
The front end of the tiller is called the pylons. These are available in different sizes depending on the requirements of the user. The front end has a handle or lever that can be lifted and rotated by hand or with the help of a manual pump or motor. When the tiller is manually operated, the spool or belt is manually adjusted to the correct distance from the ground.
There is an adjustable vane on the front end. This vane is fitted into a housing and is freed when the tiller is lifted. The height of this vane varies according to the type of tiller fitted. It is placed about 0.6 meters from the ground when the tiller is fixed on the ground and kept parallel to the ground.
The tiller is then rotated either clockwise or counterclockwise. The range of motion is determined by the fixed angle of the spool and the rotation speeds of the wheels. Rotating of the tiller happens continuously as long as there is someone to control the rotation speeds. This continuous rotation makes the digging of the trench easier. This in turn reduces labour cost, since it takes less time for the operator to complete the task.
The tiller is equipped with a clutch mechanism that engages and disengages the rotation gear. The tiller clutch is made up of a series of gears and levers. One such lever is called the worm drive. The other lever is called the screw drive.
The best rotors are those that have an adjustable angle of rotation. As the name suggests, the fixed pole moves with the rotation of the tiller while the turning screw is fixed. Thus, there is an obvious link between the two. This way the tiller can be turned either clockwise or counterclockwise to expose soil or rock, respectively.
These backrotating trolleys are very useful in digging ditches for agriculture. Their greatest advantage lies in their capability of performing multiple tasks. They can perform the job of splitting, scooping and grading soil. A common characteristic that most of these have is their ability to move with ease sideways. In other words, they can easily turn the rotator from side to side.
The key to the success behind the rotator is its design. In the backrotating type, the distance between the front end and the back end of the rotating arm is short. This allows the operator to easily control the speed of the rotator. The reason why it is able to easily turn is because of the fact that its contact area with the soil is limited. If there is anything in the path of the rotating arm, the rotator will not be able to turn.
On the other hand, the tiltable rotor has a longer distance between the front end and the back end of the tiller. Its contact area remains wide, making it easier to turn. The tilt rotor is popular in many agricultural operations like irrigation systems, sprinkler systems and other similar activities. A key characteristic of the tilting type rotator is that it has a system of gears that enable it to automatically reverse the rotational movement. This is why the operator needs not exert any effort in reversing the rotations. However, this gear arrangement can only be used in large operations.
So which is the best counter-rotating back tiller? The answer largely depends on the tasks that you plan to use the rotator for. If you are planning to use it in large agriculture operations, then you can consider purchasing a high-end model that has a lot of functions and is very easy to control. On the other hand, if your tilling activity deals with small soils and you just need to do simple rotations, you can consider buying an economical rotator like the one from the local hardware store. Whichever model you choose, it should be durable, reliable and flexible enough to meet your needs.