What is the difference between a Precision Corrective leveler, a Coil Straightener and a Precision Coil Straightener?
B&K Precision Corrective Roller Levelers utilize a series of relatively small closely spaced leveler rolls that incorporate roller back-ups to prevent deflection. This arrangement allows the material to be worked beyond the yield point to remove trapped material stresses. The result is material that is more stable so that flat sheets remain flat. Precision Corrective Roller Levelers also have flights of adjustable back-up rollers that are utilized to deliberately flex or bend the small diameter leveler work rolls to remove shape defects such as wavy edges or center buckles. Coil Straighteners work the material to approximately 20-30 percent of its permanent yield and are only capable of removing coil set. Precision Coil Straighteners work the material to approximately 80 percent of its permanent yield. Most Precision Coil Straighteners can remove coil set and crossbow.
