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  1. K2gears

    Injection molding for plastic gears with undercut

    The problem you have is corrected with: 1.) Proper ejection. ie EJ pin/sleeve size, placement, speed, timing. 2.) DRAW polishing of the tool. 3.) Proper material compounding. ie PTFE + silicone + structural fillers. 4.) Pack pressures resulting in proper part density. Rarely do we need...

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