Valley Forge & Bolt, manufacturer of patented bolting products for critical applications, has a family of products that streamline the grinding mill refine process by telling a mine’s maintenance staff exactly when they should begin retorquing after new fastener installation.
Valley Forge & Bolt, manufacturer of patented bolting products for critical applications, has a family of products that streamline the grinding mill refine process by telling a mine’s maintenance staff exactly when they should begin retorquing after new fastener installation.
Jay Palmer, technical sales engineer for Valley Forge, says mines often have an eye-opening experience when using SPC4® for the first time to gauge retorque time. “As a matter of course, they may wait days or weeks to retorque, believing that is how long it takes for tension loss to occur. Instead, SPC4® often indicates that it usually happens within hours of putting the mill back into service after a reline.”
Jay Palmer, technical sales engineer for Valley Forge, says mines often have an eye-opening experience when using SPC4® for the first time to gauge retorque time. “As a matter of course, they may wait days or weeks to retorque, believing that is how long it takes for tension loss to occur. Instead, SPC4® often indicates that it usually happens within hours of putting the mill back into service after a reline.”
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