Leak Proof Compression Resistance Automatic Multi Station Cold Upsetting Former

We eliminate internal casting stress before machining. The ZBF-86S utilizes a QT500 cast body with stress-relief annealing and a QT700 main slide that is normalized and annealed. This prevents the thermal and mechanical micro-deformations that lead to frame cracking under continuous heavy loads.

The main slide block is cast from tempered QT700, providing superior rigidity against operational stress. This maintains exact die alignment across all stations, eradicating the dimensional drift and tolerance cumulative errors that cause entire batches to be rejected by automotive or structural buyers.

Yes. The Zenrey ZBF-86S integrates a 25mm P.K.O (Punch Knock-Out) stroke and a 92mm K.O (Knock-Out) stroke. This mechanical positive ejection guarantees complete blank clearance at 140 pcs/min, preventing die-destroying jams and expensive tooling crashes on the shop floor.

Critical load-bearing accessories in the Zenrey ZBF-86S are manufactured from 40CrMo (Chromium-Molybdenum steel) and subjected to stress-relief annealing. This significantly increases fatigue resistance, extending the service life of internal mechanisms and reducing unexpected maintenance downtime.