42CrMo Roller Shafts Tube Mill Machine ZY16 Φ8-18mm HF Welded Steel Pipe

Problem Roller shafts that bend under load or wear quickly change the roll gap and profile, so the mill drifts out of tolerance and produces inconsistent tube over time. Cause Ordinary carbon steel shafts deflect under forming load and wear at the bearing and roller seats, gradually altering roll alignment and tube geometry during long runs. Solution The ZY16 roller shafts are made from 42CrMo high-strength alloy steel, heat-treated for hardness and toughness, so they resist