Angle gauges are used to measure the angle of an object relative to a larger object. Foresters use them to inventory trees, while carpenters use them to determine saw blade angles. In engineering, they are used to maintain an even torque load. Different types of angle gauges are used in each field.
An angle gage measures the angle of a stationary or machined object relative to a larger object. The three most common types of angle indicators are used in forestry, woodworking and engineering. Each of these indicators does the same basic thing; they just do it in completely different ways. In each case, a single object, usually a tree, saw blade or fastener, has its angle controlled relative to the larger piece it is attached to, such as the ground or a worktop.
A forester’s angle indicator is used to inventory the trees in a parcel of land. These inventories show how many trees of a given size are found within a given area. This information is used to find areas suitable for harvesting. Buyers request different sizes and types of trees, depending on their businesses; thus, using tree inventories is a good way to track growth and diversity within a tract of land.
There are a wide variety of angle measurement styles used in forestry. The older style is still in use today; it looks like a flat piece of metal with a die-cut shape in the shape of a step pyramid. Foresters use this simple device by holding the tool a specified distance from their eyes and lining up a tree inside the hole. The forester can tell the approximate size of the tree and its angle to the ground. The new forms of forest indicators look like prisms, magnifying glasses or small telescopes.
Carpenters can use angle gauges to determine the exact angle at which a saw blade operates. In the past, these indicators were complicated and usually involved the use of plumb lines. Newer woodworking gauges are almost always digital and use magnets to sit directly on the saw blade. Once positioned, they can give you an accurate reading of the saw’s angle in seconds.
In the fields of engineering, assembly and technology, there is a third type of angle. These gauges are used to maintain an even torque load over an area by synchronizing fasteners on a workpiece. After a fastener, typically a bolt, has been screwed in tightly, it is then screwed in further at a specified angle. If the work piece has multiple fasteners on the same workpiece, they are all fastened at the same angle.
Originally, the angle gauges used for this process were similar to those used in woodworking. They used mechanical gauges and tension rods to determine the final angle of the fastener. The new angle indicators are built into the tool used to tighten the fastener. Even so, these angle torque wrenches are generally rare. For users who need a specific angle but don’t have an angle wrench, it’s easy to tighten a bolt and then use a simple plastic protractor to tighten it to the correct angle.
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