When machining tapered roller with through-feed centerless grinding method,guidance face inclination of guide wheel has great influence on working quality.

• 采用无心贯穿磨削方法加工圆锥滚子外圆,导轮制导面倾角对加工的影响很大,探讨了导轮制导面倾角的设计,给出了公式。