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Ice Cream Machine Component Prototyping: How We Solved Testing and Assembly Challenges

A Japanese food equipment company needed freezer doors, structural components, and food-contact parts produced. The challenge was not just machining individual parts — it also involved whether the freezer door could withstand repeated operation, whether parts from different manufacturers could assemble correctly, and how to verify food-contact material documentation.

Conceptual exploded assembly of resin parts, rubber seal, tube and container

Conceptual illustration (AI-generated)

Project Challenges

Multiple parts were produced using different materials and processes, yet they all needed to work together on the equipment after individual completion. The repeated operation of the freezer door, assembly tolerances between parts, and food-contact material documentation review all required step-by-step attention during prototyping.

Prototype
Test
Modify
Re-verify
Conceptual illustration of freezer door repeated open/close with seal detail

Conceptual illustration (AI-generated)

What We Did

We coordinated multiple processing steps and built a freezer door test fixture to perform repeated operation checks before sample delivery. For assembly deviations found during fitting, we confirmed issue locations with the relevant processing companies, discussed modification plans, and then verified the adjustments through sample assembly. For food-contact parts, we selected materials based on usage conditions and reviewed the corresponding material documentation.

Conceptual illustration of multi-part assembly process and documentation review

Conceptual illustration (AI-generated)

Project Results

Through repeated prototyping, door operation tests, assembly checks, and revisions, we completed the components needed for the equipment. We worked with the relevant manufacturers to identify and address issues found during assembly.

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