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Process specialty

Mold transfer & re-engineering

Clients often come to us after years of unsuccessful attempts to produce a complicated part. Bring us the tool and the history that goes with it.

Transfers

An injection mold open on the press showing the cavity plates and cooling lines during re-engineering work
A transferred tool opened up for re-engineering. Archive photograph.

Mold Threads accepts transfers of existing molds and re-engineers them to meet modifications in application, tolerance or injection mold resin. Programs change - a resin gets discontinued, a tolerance tightens, a part gets designed into something new - and a tool that was correct five years ago may simply be the wrong tool now.

Our size gives us the flexibility to respond to component part changes and to catch design problems, which is generally the difference between a transfer that runs and a transfer that becomes somebody's ongoing headache.

Re-engineering a tool that failed

MTI can re-engineer tools that fail to perform to accuracy and function standards. Having worked with some of the most demanding technical companies, we meet the challenge of the zero rejection rate required for precision molded plastic component parts.

The most valuable thing you can send with a failed tool is the record of what has already been tried. A part that has been through three molders has three sets of eliminated hypotheses attached to it, and that history usually points at the answer faster than starting over would.

Send us the tool, the print, the resin, and an honest account of what it does wrong. We will tell you whether it is worth saving.

Sometimes the answer is that it is not, and that the honest path is new steel. We would rather say that at the quoting stage than bill you for a series of hopeful repairs.

Good candidates for transfer

  • Tool runs but yields are unacceptable
  • Resin change required
  • Tolerance tightened after design revision
  • Current molder is exiting the program
  • Flash, short shots or dimensional drift over a run

Discuss a transfer