Belleville Washer Torque

Flat loading a belleville disc spring helps to ensure that bolts do not loosen while machinery is in use.

Belleville washer torque.

The values assume the following in addition to the information listed in the chart. Torque is the rotational force applied to a bolt to tighten a belleville disc spring. All stainless steel hardware stainless steel hardware with bronze nut dia. So that the bolt and belleville washers work together make sure the torque for your belleville washers matches that of your bolts.

Clamp load is also known as preload or initial load in tension on bolt. And p bolt clamp load developed by tightening. Torque foot pounds torque newton meters temperature f temperature c. Little known uses of belleville washers may 3 2013.

A belleville washer is a type of spring shaped like a washer it is the frusto conical shape that gives the washer its characteristic spring. Again belleville washers are no exception. Calculation example multiple belleville washers may be stacked to modify the spring constant or amount of. A common question with new users of the belleville washer is how much torque do i need.

The belleville washer can then be added seamlessly and no modification to this torque value is needed. In lb ft lb n m in lb ft lb n m 1 2 540 45 61 660 55 75. Performance considerations a similar device is a wave washer. Belleville springs may 28 2013 belleville international is dedicated to providing quality belleville disc springs and was.

1 spring is considered to be 1 in parallel 1 in series. A belleville washer also known as a coned disc spring conical spring washer disc spring belleville spring or cupped spring washer is a conical shell which can be loaded along its axis either statically or dynamically. 5500 lbf belleville washer as supplied by sefcor. These washers have smaller outside diameters than standard spring lock washers to fit neatly under socket head cap screws.

This is the same with belleville washers. Flat load is the amount of axial force required to flatten a belleville disc spring. Should you have any additional questions our engineering team here at belleville international is available for your convenience and can be reached by calling 877 235 5384. If you exceed a locking washer s torque by more than a few percent during assembly you destroy the locking washer.

Clamp load lb is calculated by arbitrarily assuming. Tightening torque values are calculated from the formula t kdp where t tightening torque. This notation is needed for load calculations if n of springs in a stack then. D nominal bolt diameter.

Belleville spring lock washers also known as conical washers these have a slightly cupped shape that gives them spring like flexibility to grip tighter than split and tooth lock washers.