Table 2 Comparison of surface parameters between the original grind surface and the reconstructed grind surface.

From: Multiscale characterization and contact performance analysis of machining surfaces

The statistical parameters

Area 1

Mean value

The model of this article

The method of reference14

The method of reference16

Relative error of this article (%)

Relative error of reference14 (%)

Relative error of reference16 (%)

Sa (um)

0.16289

0.13572

0.13529

0.13530

0.13500

0.31365

0.30778

0.52939

Sq (um)

0.19539

0.16493

0.16433

0.16434

0.16410

0.36024

0.36969

0.50059

Ssk (–)

 − 0.07602

 − 0.09164

 − 0.08972

 − 0.08972

 − 0.08477

2.08908

2.45852

7.49015

Sku (–)

2.51196

2.26122

2.61332

2.61234

2.60601

0.30154

0.33913

0.57745

Sp (mm)

8.54103

8.54104

8.54103

8.54102

8.54103

1.19E-04

1.34E-04

1.19E-04

Sv (mm)

8.53979

8.53979

8.53976

8.53980

8.53977

4.46E-04

6.64E-05

3.38E-04

Sz (um)

1.23868

1.23868

1.26657

1.2216

1.25741

2.25178

1.38059

1.51181

Sdq (–)

72.94016

72.94007

72.94007

72.94007

72.94007

3.09E-09

6.95E-09

6.57E-06

Sdr (%)

0.00657

0.005880

0.005755

0.005753

0.005759

2.11054

2.14408

2.05139