Non-sinusoidal of mold can be obtained by use of the bar linkage mechanism and different non-sinusoidal oscillation wave shape is obtained by different bar length ratio and original phase angle.

• 提出了用连杆式机械传动实现结晶器的非正弦振动，通过改变连杆机构的杆长比和初相角可以得到不同的非正弦振动波形。