How to Polish Metal Blades and Plastic Handles on a Single Machine
Jun 17, 2026
Introduction
For blade manufacturers, polishing is rarely a one-size-fits-all job. A single product line may include sickles that need double-sided metal polishing, small knives that need single-sided blade finishing, utility knives that require sharp edge retention, and plastic handles that need a gentler low-speed buff. Buying a separate machine for each product type is expensive, wastes factory floor space, and creates headaches when product runs change.
So what does it look like when one machine handles both metal blades and plastic parts — with the flexibility to switch between single-sided and double-sided polishing on demand?
This case study walks through exactly that scenario, the equipment configuration that made it possible, and the practical takeaways for any manufacturer...