Correction: Dinh et al. Initial Research on Ultrasonic Vibration-Assisted EDM for Processing Cylindrical Surfaces. Coatings 2025, 15, 463

In the original publication [1], there were mistakes in a couple of tables.

In Table 8, incorrect regression coefficients for MRR were mistakenly inserted. The corrected

Table 8. Regression coefficients for MRR.

Parameter		A	Ton	Toff	IP	SV	A2	Ton2	Toff2	IP2	SV2
Coefficient	−4.04941	−4.6725	1.102	−0.10519	0.70976	0.59481	1.69344	−0.05842	0.00428	−0.10200	−0.02954
Parameter	A.Ton	A.Toff	A.IP	A.SV	Ton.Toff	Ton.IP	Ton.SV	Toff.IP	Toff.SV	IP.SV
Coefficient	−0.06428	0.01221	−0.13049	−0.20757	−0.00192	0.10959	0.01569	−0.00738	0.00458	−0.05246

appears below:

In Table 9, incorrect regression coefficients for Ra were mistakenly inserted. The corrected

Table 9. Regression coefficients for Ra.

Parameter		A	Ton	Toff	IP	SV	A2	Ton2	Toff2	IP2	SV2
Coefficient	−5.18712	1.95848	1.16798	−0.07686	0.06536	−0.21602	0.85744	−0.02866	0.01097	0.03169	−0.02110
Parameter	A.Ton	A.Toff	A.IP	A.SV	Ton.Toff	Ton.IP	Ton.SV	Toff.IP	Toff.SV	IP.SV
Coefficient	−0.19535	0.11295	−0.68780	−0.05837	−0.03884	0.08245	0.00220	−0.01182	0.03860	0.00406

appears below:

The authors state that the scientific conclusions are unaffected. This correction was approved by the Academic Editor. The original publication has also been updated.