At the Novocherkassk Electric Locomotive Plant (NEVZ) a new grinding machine model SMG630HF2 manufactured by STANEXIM was put into operation. NEVZ is the largest Russian manufacturer of main-line freight and passenger industrial electric locomotives. In 2020, it became necessary to replenish the sharpening equipment fleet. The customer made a decision to purchase a new end milling machine. STANEXIM was chosen as a supplier because already had a positive experience and the proposed equipment fully complied with the requirements of the customer. Sharpening machine SMG630HF2 is designed for sharpening end mills with a diameter of Ø 80-650 mm. Sharpening is carried out with the end of the cup abrasive wheel along the rear surfaces of the cutter teeth. During acceptance, end mills with a diameter of Ø 130 and Ø 160 mm were sharpened along the flanks of the teeth.