HS-B4 is a type of precision metal coil straightener with air cylinder roll pressure. The machine structure is similar to the leveler part of the compact line. It has a wide application range, can level metal strip thickness up to 6.0mm.

Applicable Material

  • Thickness: 0.5-4.5 mm/ 1.0-6.0 mm
  • Coil width: 20 mm – 600 mm
  • Type: Carbon steel, Galvanized steel, Stainless steel, Copper, Aluminum…


  • Operation Speed: 15m/min
  • Leveling Accuracy: ±1.5mm/m²

Coil Straightener HS-B4: Features

The precision coil straightener equips 9pcs of leveling rollers and 2pcs of pinch rollers. The high-quality leveling rollers are made by Gcr15 material, with multiple treatment processes, the hardness will reach HRC60±2. The worm gears guarantee a high precision straightening value adjustment. The working speed is about 15m/min, with a stand-alone contact sensor for loop control.

Coil Straightener HS-B4: Specification

If you need customized specifications, please get in touch with our sales team.

Coil Width200 mm300 mm400 mm500 mm600 mm
Material Thickness1.0-6.0 mm1.0-6.0 mm1.0-6.0 mm1.0-6.0 mm1.0-6.0 mm
Straightening RollersØ90mm * 9pcsØ90mm * 9pcsØ90mm * 9pcsØ90mm * 9pcsØ90mm * 9pcs
Pinch RollersØ120mm * 2pcsØ120mm * 2pcsØ120mm * 2pcsØ120mm * 2pcsØ120mm * 2pcs
Roller PressurePneumatic typePneumatic typePneumatic typePneumatic typePneumatic type
Roller AdjustWorm gearWorm gearWorm gearWorm gearWorm gear
Roller TransmissionBottom gear driveBottom gear driveBottom gear driveBottom gear driveBottom gear drive
Variable Speed ControlFrequency inverterFrequency inverterFrequency inverterFrequency inverterFrequency inverter

Coil Straightener HS-B4: Customer Cases