spiral steel tape shield for screw

Description:

spiral steel tape shield for screw

this type of shield is made by using fine quality steel stripswith heat treatment and is kind of protection for screws , shaftsand accociated parts , the shield , mounted on a alignment flangeson both ends , has no contact with the parts to be protected , this shield is connected  to the alignment flanges accordingto compression force that can be estimated beforehand , so thisshield is working stably , freely expansion and contraction and has very low level noise , the surface color is black , whichis identical  with most of the flanges on the machine .