Slider spring hength and strength calculation

Processing size:

1. ØD2=ØD+2

2. Ll = total spring length (L) - preload value of spring (N) - slider core pulling distance (L2)

Spring length calculation: (refer to picture 1 for length calculation)

★L≥H/(36%(compression percentage)-10%(pre-compression percentage)

Assuming the core pulling distance (L2)=15m, the total length of the spring L≥15/(36%-10%)=15/0.26=57.7

As we can see that the total length of the spring (L) should be taken as 60mm

Spring hole depth L1=L-L*10%-L2=60-60*10%-15=39mm

Strength requirements of the slider spring:

1. When the spring is applied to the core pulling of the slider, the load strength must be checked;

2. The weight of the slider on the top side must be kept within 2/3 of the maximum load of the spring; the weight of other sliders must be kept within the maximum load of the spring;

3. When the same slider uses multiple springs, the maximum spring load of the slider is the sum of the loads of all springs;

4. When calculating the maximum load of the slider spring, the compression amount should be in the pull-out state of the slider;

The spring load is calculated as follows:

Picture 2:

1. The slider is in the extracted state, so the length of the spring after being compressed is L1;

2. Assume that the free length of the spring is L;

Calculation way of spring load: load = spring constant X compression

                                     That is: load = spring constant X (L-L1)

The spring constant can be obtained from the standard parts data of the corresponding brand (such as MISUMI);