A bore gage is an instrument that is frequently used to measure the internal of a hole. It is also known by many names such as bore mics, hole tests, holtests, internal micrometers or cylinder tests depending on your geographical region. It operates on the basis whereby parts known as the anvils expanding outward in order to determine its diameter when inserted into the hole. Read on to find out more about the characteristics and uses of bore gages.
Types Of Bore Gages
There are numerous types of bore gages in the market, with the more common types being bore gages with two or three anvils respectively. Bore gages with two anvils are cheaper and are calibrated with gauge blocks whereas those with three anvils are known as internal micrometers and are calibrated with setting rings. Both types can make use of either a digital or dial scale to display the measured diameter of the hole. Apart from the common bore gages, there are also more specific types specializing in various measurements, such as the dial bore gages, small hole gages and telescopic bore gages.
Sizes Of Bore Gages
Depending on the diameter of the hole that you are measuring, you would require different types of bore gauges that have various measurement sizes. If you are looking for a bore gage that can measure a wide range of sizes, an adjustable bore gage would be the equipment that is suited for your needs! However, this type of gage suffers from a lower tolerance in the measured diameter. If a high degree of accuracy is demanded in the final product, plug gages, which comes in fixed sizes would be the equipment that you have been looking for. Plug gages can be customized accordingly to your requirements, making them available in both small and large sizes.
Uses Of Bore Gages
With the high level of precision obtainable in a bore gage, there are many applications where it can be used such as the measurement of pipes, holes and cylinders, which are commonplace in the manufacturing, automotive and equipment calibration industries. Inspectors and maintenance staffs utilize bore gages to inspect the dimensions inside injection moldings to ensure that its quality are up to the desired standards, or in extruder barrels to monitor wear and tear over an extended period of time to find out when preventive maintenance can be carried out. Mechanics and machinists also make use of these equipment to detect the extent of wear and tear in cylinder heads and also to accurately measure holes in an engine block to ensure that the pistons fit tightly to prevent any gas leakages.
With the numerous potential applications of bore gages and its ease of customizability in terms of types and sizes, it serves as a handy tool that can greatly assist you in the measurement of a hole’s internal diameter.
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