ZC28-40 three-axis thread rolling machine product characteristics: this machine is specially designed for pipe parts, to ensure the true roundness, concentricity and verticality of the workpiece when hobbing teeth with equal triangle support; fixed rolling dual-purpose, spindle using frequency converter control, speed adjustable, feed using oil-piezoelectric circuit control, feed stable, simple operation; transmission gear grinding after heat treatment, machine noise is small, durable It is suitable for machine, bicycle, auto parts and tubing joint industries.