Belleville Washer Torque

Silicon bronze hardware is not lubricated.

Belleville washer torque.

If you exceed a locking washer s torque by more than a few percent during assembly you destroy the locking washer. This notation is needed for load calculations if n of springs in a stack then. Flat load is the amount of axial force required to flatten a belleville disc spring. 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.

Torque is the rotational force applied to a bolt to tighten a belleville disc spring. So that the bolt and belleville washers work together make sure the torque for your belleville washers matches that of your bolts. The belleville washer can then be added seamlessly and no modification to this torque value is needed. And p bolt clamp load developed by tightening.

Clamp load lb is calculated by arbitrarily assuming. 5500 lbf belleville washer as supplied by sefcor. Little known uses of belleville washers may 3 2013. 1 spring is considered to be 1 in parallel 1 in series.

Again belleville washers are no exception. This is the same with belleville washers. Flat loading a belleville disc spring helps to ensure that bolts do not loosen while machinery is in use. Performance considerations a similar device is a wave washer.

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. Din disc springs. A common question with new users of the belleville washer is how much torque do i need. In lb ft lb n m in lb ft lb n m 1 2 540 45 61 660 55 75.

Clamp load is also known as preload or initial load in tension on bolt. 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. All stainless steel hardware stainless steel hardware with bronze nut dia. These washers have smaller outside diameters than standard spring lock washers to fit neatly under socket head cap screws.

Tightening torque values are calculated from the formula t kdp where t tightening torque. The values assume the following in addition to the information listed in the chart. Belleville springs may 28 2013 belleville international is dedicated to providing quality belleville disc springs and was. Torque foot pounds torque newton meters temperature f temperature c.

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.