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OMIC R&D practicumSummer 2023

Custom Tongue-and-Groove Pliers

This OMIC/OSU practicum project centered on designing, toolpathing, machining, and assembling a custom pair of tongue-and-groove pliers. It gave me a chance to work through the full subtractive manufacturing process while learning Mastercam, feeds and speeds, fixturing, dry runs, and the practical decisions needed to get from concept to finished hardware.

CAD/CAMCNC MillingMachiningAssembly

Project visuals

Finished custom tongue-and-groove pliers from the OMIC practicum
Finished product

Finished custom tongue-and-groove pliers after machining and assembly.

CAD model view from the OMIC practicum presentation for the custom pliers project
CAD model

CAD model used to develop the pliers geometry as an assembly before moving into manufacturing.

CAM setup view from the OMIC practicum presentation for the custom pliers project
CAM setup

Mastercam setup used to prepare the machining operations for the final pliers components.

CNC milling visual from the OMIC practicum presentation
CNC milling

Shop-floor visual from the practicum presentation highlighting the milling work used to produce the final parts.

Practicum structure

Alongside the personal project, the practicum included training across welding, machining, and PLC fundamentals through the OMIC Training Center at PCC. I also completed pre-trades advanced manufacturing training along with OSHA 30 and forklift certification.

What I learned

A lot of the value came from the manufacturing fundamentals around the build: feeds and speeds, G-code exposure, conventional versus climb milling, chip control, dry runs, and the overall discipline of setting up a part so the machining process is repeatable and safe.

What I worked on

  • Designed the pliers as a multi-part assembly and iterated the concept with 3D-printed prototypes before machining the final parts.
  • Built CAM toolpaths in Mastercam 2024 and prepared the operations needed to mill the parts accurately.
  • Fixtured, dry-ran, and ran CNC milling operations before assembling the finished tool.

Supporting documents