Large-Part Machining

Large-Part Machining is here defined as the challenge of machining any part that is too heavy or bulky for a single human being to move the part to another location quickly, or too large to fit within the work zone of the most commonly available CNC machine tools. Parts such as these could apply to almost any industry, though aircraft, construction, power generation, and oil drilling are ready examples of industries that commonly have a need for very large machined parts. In large-part machining, much of the challenge has to do with performing as much of the work as possible in a single setup. Five-axis or 3+2 machining is often required to let a machining center reach many of the features of the part in a single setup.

A close-up of a tool on a five-axis spindle machining a medium-density fiberboard vacuum workholding fixture.

Composites Specialist Makes CNC Chops Count

Machining capability drives evolution from race car builder to aerospace and defense contractor.

For Large-Part Machining, Five-Axis Capabilities Prove Essential to Staying Competitive

Metalcraft of Mayville’s old milling machine for large parts failed just when the company began seeing increased pressure to take on projects requiring more flexibility and capabilities. Two five-axis HMCs from Toyoda helped the company stay in step with the trend. 
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What’s Behind Door Number Three?

While most shops are producing shorter aerospace parts on five-axis machines or larger parts on gantry-type equipment, this shop found its niche somewhere in the middle thanks to an advanced profiling machining system from Mazak.



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