Yes. Rectangular tapered interlocks have a unique benefit of allowing plate growth either the X axis or Y axis of the mold (depending on the interlock’s orientation in the mold). Normally rectangular tapered interlocks are placed directly on the X or Y axis of the mold parting line. If you run one half of the mold (for example, the “B” half) significantly cooler than the other half of the mold, using rectangular tapered interlocks can accommodate for thermal expansion differences between the plates and still provide precise alignment.
Note: Interlocks are used for very precise alignment of the parting line, to a greater extent than the mold’s leader pins. If you have to run the mold haves at significantly different temperatures, it is important to check the molded part dimensions to make sure that there is no adverse effect on the final molded part dimensional conformity, due to significant differences in mold half plate temperature.
Round tapered interlocks are recommended to be placed close to the center portion of the mold, to minimize on any potential impact of mold half plate temperatures. The round feature of round tapered interlocks means that there is less accommodation for thermal expansion differences between the two mold halves.