Table 2 Grinding process parameters

Grinding mode

Plane grinding

Grinding wheel

54A80F15VPH904W

Grinder

K-P36 surface grinder

Wheel speed (m/s)

30

Feed speed (mm/min)

600

Grinding depth (μm)

10, 20, 30

Grinding conditions

Dry, Flood, MQL, NMQL

Grinding fluids

Flood: water-solute liquid, 5% concentration

MQL: [BMIM]BF_4, [HMIM]BF₄

NMQL: GN/BB, GN/HB nanofluids

Flood flow rate (L/h)

60

MQL/NMQL flow rate (mL/h)

50

MQL/NMQL gas pressure (MPa)

0.6

MQL/NMQL nozzle distance (mm)

17

MQL/NMQL nozzle angle (°)

15

Workpiece

GH4169, 40 mm × 30 mm × 30 mm

Dressing method

Single-point diamond dresser

Dressing depth (μm)

5

Dressing speed (mm/min)

600