Press fit force is the force necessary to put together cylindrical parts during manufacturing. Machinery must be programmed with the proper press fit force in order to ensure that the objects are properly shaped and formed, otherwise they will be unusable. Press fit force calculation is important in the manufacturing of cans, machine parts and numerous other cylindrical things. Calculating press fit force requires a pressure factor chart, which is available both online or at a local engineering facility, and some measurements and brief calculations that should cause no difficulty with the help of a calculator.
- Skill level:
- Moderately Easy
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Things you need
- Measuring tape
- Press factor chart
Measure the diameter of the cylinder, and use the pressure factor chart to obtain the proper pressure factor number for the diameter of the cylinder measured.
Divide the diameter by 2, and square this number on your calculator. Multiply the resulting number by pi (approximately 22/7) to come up with the area of the surface in contact with the hole and shaft.
Measure the pin diameter with the measuring tape.
Multiply the area, the pin diameter and the pressure factor together. Divide the resulting number by 2, and you will end up with the necessary press fit force for the cylindrical object.
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