Table 6 Organisation of the unsynchronised and synchronised signals files.

ae

float64

Experiment definition

Radial depth of cut (a_e). Always has the value 58.5.

mm

AE_F

Array of float64

External signal

Filtered accoustic emision signal.

V

AE_F

Array of float64

External signal

RMS accoustic emision signal.

V

ap

float64

Experiment definition

Axial depth of cut (a_p). Always has the value 1.5.

mm

A(x-y-z)

Array of float64

External signal

Vibrations (gravitational acceleration) in three axes.

g

CV3_(S-X-Y-Z)

Array of float64

Internal signal

RMS current feedback of the spindle motor and table motors in three axes.

Arms

Date

string

Experiment definition

Date and time of the start of the experiment with format (yyyy-MM-dd hh:mm:ss).

N/A

fz

float64

Experiment definition

Feed rate (f) per tooth.

mm/rev

FREAL

Array of float64

Internal signal

Actual f.

mm/rev

F(x-y-z)

Array of float64

External signal

Cutting forces in three axes.

N

ID

string

Experiment definition

Experiment identifier.

N/A

Insert

int

Experiment definition

Cutting insert numbers.

N/A

Edge

int

Experiment definition

Edge number of Insert.

N/A

Lubrication

string

Experiment definition

Type of lubrication. Possible values are Dry or MQL.

N/A

Machine

string

Experiment definition

Machine make and model. Always has the value Lagun GVC 1000-HS.

N/A

POS_S

Array of float64

Internal signal

Spindle angular position within a 360^∘ rotation.

^∘

POS_(X-Y-Z)

Array of float64

Internal signal

Spindle position relative to the machine table in three axes.

μm

Repetition

string

Experiment definition

Number of repetition.

N/A

SREAL

Array of float64

Internal signal

Actual spindle speed.

RPM

ToolDiameter

float64

Experiment definition

Diameter of the tool holder. Always has the value 80.0.

mm

ToolID

string

Experiment definition

Tool holder identifier. Always has the value Plato D80 Z1.

N/A

ToolManufacturer

string

Experiment definition

Manufacturer of the cutting insert. Always has the value AYMA.

N/A

ToolMaterial

string

Experiment definition

Material of the cutting insert. Always has the value HM.

N/A

ToolReference

string

Experiment definition

Reference of the cutting insert. Always has the value SPKR 1203EDSRM55 AF720.

N/A

TV2_(S-X-Y-Z)

Array of float64

Internal signal

Motor torque feedback of the spindle motor and table motors in three axes.

Nm

TV50

Array of float64

Internal signal

Spindle motor power feedback.

kW

TV51

Array of float64

Internal signal

Spindle motor active power.

W

VB

float64

Experiment definition

Tool wear (VB) measured before the experiment beginning.

mm

Vc

float64

Experiment definition

Cutting speed (v_C).

m/min

WorkpieceMaterial

string

Experiment definition

Material of the workpiece.

N/A