Large dimension workpiece wants to obtain surface polishing well as the small dimension that is difficult, because large dimension workpiece has many uncertain factors, such as material density, flatness & parallel, hardness at each part. But today, RBT burnishing expert solves the difficulty, let us together to talk how to use RBT flat surface burnishing tool to achieve roughness less than Ra0.1 on large dimension workpiece.

How to polish large dimension steel workpiece with flat surface burnishing tool?
RBT makes an instance in following:
Workpiece Material: Steel/SA387/Gr5 Cl2
Workpiece Dimension: 2184.4*1016*55.88mm (86*40*2.2inch)
Material Hardness: 25 HRC
Existing Finish of Workpiece: Ra0.2μm – Ra8μm
Flatness & Parallel of Workpiece: 0.2mm
Processing Requirements: Polishing on each surface of steel workpiece, get the roughness within Ra0.1
As the processing requirements above, RBT recommend the Flat Surface Burnishing Tool to be qualified the job, which the diameter of tool is made up to 100mm, and the center to center of roller is made up to 60mm. For reference, please view the image as below:

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