To have multi shot plastic parts, over molding & two color molding is the solution. Compared to the former, line for two color mold, two color machine invest cost will be higher.
But as you see manufacturing time takes much longer since over molding needs two molds injection, manual work after inner part colored and cooling. In additionally, defect rate of two colored parts much more higher because man hand directly influence the locating of inner to have second shot.
Time is money!
Also two color molding will be the trend rather than over molding. Now is the right time to familiar with it, open and occupy your market, before most factory can do that.
That’s why we suggest two color mold with rotational system, return on investment definitely will be much more greater.
If you have future plan of two color, please contact me. I’d like to quote you both over mold & 2 color mold, include cycle time, more clear for you to check.
Lucia
lucia@yueyimold.com