Springs may be classified as either helical springs or flat springs.

More Questions from Threads, Fasteners and Springs

• A machine pin is a mechanical device designed to store energy when deflected and to return the equivalent amount of energy when released.
• Tap drill depth does not include the cone point of the drill.
• Keys can be used to prevent movement between shafts and wheels.
• ANSI has established three classes of fit.
• A screw thread is a ridge of uniform section in the form of a helix on the external or internal surface of a cylinder.
• The axis of a screw is the longitudinal centerline through the screw.
• A Class 3 fit is exceptionally high quality and recommended only when high cost of precision is warranted.
• The root is the top surface joining the two sides of a thread.
• Thread length, finish, and proportions are some of the standard characteristics of bolts and nuts.
• Doubled threads are composed of two or more ridges running side by side.

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