Engineering Prepress Guide

Magnetic Abrasive Finishing (MAF) & Precision Deburring: CAM Vector Prepress Guide

Learn how Magnetic Abrasive Finishing (MAF) utilizes magnetic field gradients to form flexible abrasive brushes for internal bore polishing, aerospace waveguide finishing, and sub-nanometer surface smoothing.

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1. Physics of Magnetic Abrasive Finishing (MAF)

Magnetic Abrasive Finishing (MAF) is an advanced non-traditional super-finishing and micro-deburring process. By applying an external static or alternating magnetic field across a machining gap, ferromagnetic particles blended with hard micro-abrasives self-assemble along magnetic field lines into a compliant magnetic abrasive brush (FMAB).

2. Magnetic Normal Force & Preston Material Removal Equation

Magnetic Normal Pressure:
  Pn = (B^2 / (2 * mu0)) * (1 - 1/mu_r)   [Pa]

Material Removal Rate:
  MRR = k_p * Pn * v_c   [mg/min]

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