CPX-140-A Automated Crankshaft Polisher
The Winona Van Norman CPX-140-A Automated Crankshaft Polisher is engineered to deliver fast, precise, and consistent polishing of crankshaft journals in high-performance engine rebuilding environments. Designed for automation and repeatability, the CPX-140-A removes minor imperfections, improves surface finish, and prepares crankshafts for optimal bearing performance with minimal operator intervention.
Equipped with an automated polishing system, the CPX-140-A ensures uniform material removal across all journals, reducing the risk of human error and improving overall consistency. Its controlled polishing process enhances surface finish quality, helping achieve proper oil retention and reducing friction during engine operation. Built with a rigid, heavy-duty frame, the machine maintains stability and accuracy even during continuous use.
Ideal for automotive, diesel, and performance applications, the CPX-140-A increases productivity while maintaining the precision required for critical engine components. The result is smoother journal finishes, improved bearing life, and more reliable engine performance—making it an essential solution for modern engine machine shops.
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Product Information
Operations
Winona Van Norman’s Automated Crankshaft Polisher (such as the CPX series) is designed to streamline and standardize the crankshaft finishing process through a fully controlled, repeatable cycle. The operation begins with the crankshaft being securely mounted between the headstock and tailstock, where it is carefully aligned to ensure accurate rotation and consistent positioning. Once secured, the operator uses the PLC-based control system to input the desired polishing parameters, such as journal specifications, cycle settings, and pressure or feed rates.
After setup, the machine automatically indexes the crankshaft so each journal is positioned correctly under the polishing head. The system then engages the polishing unit, where controlled pressure is applied while the crankshaft rotates. This simultaneous motion allows the abrasive system to evenly refine the journal surface, removing minor imperfections left from previous machining processes and producing a smooth, uniform finish.
Throughout the cycle, the automated controls maintain consistent speed, pressure, and alignment to ensure repeatable results across all journals. Once one journal is completed, the system retracts the polishing head and indexes to the next position, repeating the process until all journals are finished. When the cycle is complete, the machine stops, the tooling retracts, and the finished crankshaft is ready for inspection or removal, delivering a high-quality surface finish with minimal operator variation.