Tube bending angle finder1/3/2023 If it drops in the fixture, the overall profile along with the bend angles are considered good see below. However, unlike sheetmetal, a typical round bent tube can be a little more difficult to hold tangent to a protractor together while at the same time trying to hold the pair up to the light to make an accurate angular read.įor low and high volume jobs, a simple check fixture usually does the trick. They are good for measuring a bent piece of sheetmetal day in and day out. You will also find a vernier type protractor around a brake. Low tech and most often accurate to about ± 0.5°, these devices don’t require a whole lot of calibration. By far the vernier style has been around for many decades and continues to be used to measure bent tubular angles world wide see below. Traditional protractors come in a digital or vernier style. However, a review of some of the various measuring techniques may shed a new light on an important subject. Bend angle quality often translates into a tolerance surrounding a target angle. Regardless of the bending process used to bend a tube, the vast majority of tube fabricators are interested in the quality of the bend angle produced. How to Accurately Measure Bend Angles in Tube Fabrication
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