The rolling machine is a multifunctional cold extrusion forming machine tool. It can perform cold rolling treatments such as threading, straight, and helical rolling within its rolling pressure range. It also rolls straight, helical, and斜花keyway gears; straightens, reduces diameter, smooths, and shapes various workpieces through rolling. The machine features a safe and reliable electro-hydraulic actuating and control system, allowing each work cycle to be selected between manual, semi-automatic, and automatic modes.

The cold rolling thread rolling process is a non-cutting method that effectively enhances the inherent and surface quality of workpieces. The radial compressive stress generated during processing improves the fatigue and torsional strength of the workpieces, making it an ideal process for energy saving and low consumption.

The principle of cold rolling processing small module involute spline on a rolling spline machine. L and R are a pair of involute rolling wheels with the same parameters, respectively installed on the two main shafts of the rolling spline machine and capable of rotating synchronously in the same direction under the drive of the transmission mechanism. The R wheel can be driven by a hydraulic cylinder for radial feed motion, while the L wheel can align with the indentation on the workpiece P surface by adjusting the adjusting mechanism. The workpiece P is clamped with two center holes for positioning, and the fixture adjustment allows the workpiece to move axially. Under force, the workpiece can swing an angle Φ around the axis parallel to the machine tool spindle passing through point O on the fixture, ensuring the workpiece remains in a free rolling state with both rolling wheels during the cold rolling process, while facilitating workpiece clamping.