Evaluation of superabrasive grinding points for the machining of hardened steel

Richard Hood; Fernanda Medina Aguirre; Luis Soriano Gonzalez; Donka Novovic; Sein Leung Soo

doi:10.1016/j.cirp.2019.04.090

Evaluation of superabrasive grinding points for the machining of hardened steel

Richard Hood, Fernanda Medina Aguirre, Luis Soriano Gonzalez, Donka Novovic, Sein Leung Soo^*

^*Corresponding author for this work

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

170 Downloads (Pure)

Abstract

Small diameter grinding points offer greater flexibility for machining free-form contours compared to traditional grinding wheels, despite fewer effective cutting edges. The paper evaluates the influence of grit size (B32, B46, B76), feed rate (125, 250 mm/min) and depth of cut (20, 40 μm) when machining D2 tool steel using electroplated CBN grinding points. Highest G-ratios (∼2441) were obtained using B32 tools with corresponding workpiece surface roughness (Ra) of ∼0.8 μm after ∼6000 mm ³ material removed, due to the greater number of effective cutting edges. Attritious wear was the primary wear mechanism although material loading was observed with B76 tools.

Original language	English
Pages (from-to)	329-332
Number of pages	4
Journal	CIRP Annals
Volume	68
Issue number	1
Early online date	2 Jul 2019
DOIs	https://doi.org/10.1016/j.cirp.2019.04.090
Publication status	Published - 4 Jul 2019

Keywords

Cubic boron nitride (CBN)
Grinding
Wear

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering

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Richard_Hood_et_al_Evaluation_of_superabrasive_grinding_points_CIRP_Annals_2019
Checked for eligibility: 04/07/2019
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title = "Evaluation of superabrasive grinding points for the machining of hardened steel",

abstract = " Small diameter grinding points offer greater flexibility for machining free-form contours compared to traditional grinding wheels, despite fewer effective cutting edges. The paper evaluates the influence of grit size (B32, B46, B76), feed rate (125, 250 mm/min) and depth of cut (20, 40 μm) when machining D2 tool steel using electroplated CBN grinding points. Highest G-ratios (∼2441) were obtained using B32 tools with corresponding workpiece surface roughness (Ra) of ∼0.8 μm after ∼6000 mm 3 material removed, due to the greater number of effective cutting edges. Attritious wear was the primary wear mechanism although material loading was observed with B76 tools. ",

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AU - Medina Aguirre, Fernanda

AU - Soriano Gonzalez, Luis

AU - Novovic, Donka

AU - Soo, Sein Leung

PY - 2019/7/4

Y1 - 2019/7/4

N2 - Small diameter grinding points offer greater flexibility for machining free-form contours compared to traditional grinding wheels, despite fewer effective cutting edges. The paper evaluates the influence of grit size (B32, B46, B76), feed rate (125, 250 mm/min) and depth of cut (20, 40 μm) when machining D2 tool steel using electroplated CBN grinding points. Highest G-ratios (∼2441) were obtained using B32 tools with corresponding workpiece surface roughness (Ra) of ∼0.8 μm after ∼6000 mm 3 material removed, due to the greater number of effective cutting edges. Attritious wear was the primary wear mechanism although material loading was observed with B76 tools.

AB - Small diameter grinding points offer greater flexibility for machining free-form contours compared to traditional grinding wheels, despite fewer effective cutting edges. The paper evaluates the influence of grit size (B32, B46, B76), feed rate (125, 250 mm/min) and depth of cut (20, 40 μm) when machining D2 tool steel using electroplated CBN grinding points. Highest G-ratios (∼2441) were obtained using B32 tools with corresponding workpiece surface roughness (Ra) of ∼0.8 μm after ∼6000 mm 3 material removed, due to the greater number of effective cutting edges. Attritious wear was the primary wear mechanism although material loading was observed with B76 tools.

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Evaluation of superabrasive grinding points for the machining of hardened steel

Abstract

Keywords

ASJC Scopus subject areas

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