This study investigates the dry-grinding potential of Al–SiCP composites at high-infeed values using a novel, brazed diamond grinding tool with uniformly distributed abrasive grits in a single-layer configuration. A high-speed machining center was utilized for the vertical dry-grinding experiments with increasing order of infeed ranging from 20 to 100 μm in combination with a grinding velocity of 70 m/s. Grinding forces, specific grinding energy, and grinding chips were investigated to analyze the dry-grindability of aluminum composite, which is, as such, known to be a difficult-to-grind material for its soft and sticky nature. Favorably, no wheel loading was observed during the experiment. However, chip adhesion on the grit tips became evident at higher infeed rates, leading to a rise in cutting forces.

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High-Infeed Grinding of Aluminum Composite by Patterned Diamond Tool

  • Trilochan Prasad Nanda,
  • Amitava Ghosh

摘要

This study investigates the dry-grinding potential of Al–SiCP composites at high-infeed values using a novel, brazed diamond grinding tool with uniformly distributed abrasive grits in a single-layer configuration. A high-speed machining center was utilized for the vertical dry-grinding experiments with increasing order of infeed ranging from 20 to 100 μm in combination with a grinding velocity of 70 m/s. Grinding forces, specific grinding energy, and grinding chips were investigated to analyze the dry-grindability of aluminum composite, which is, as such, known to be a difficult-to-grind material for its soft and sticky nature. Favorably, no wheel loading was observed during the experiment. However, chip adhesion on the grit tips became evident at higher infeed rates, leading to a rise in cutting forces.