CNC Machining

Welder in a protective mask welding steel as sparks fly

Mild Steel vs. Stainless Steel: Choosing Metal for Fabricated Parts

1018 and A36 mild steel vs. 304 and 316 stainless. How strength, corrosion, welding, finishing,...

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Black engineering plastic part with spokes on a white surface

Delrin for Machined Parts: Acetal Homopolymer vs. Copolymer vs. Nylon

Delrin is acetal homopolymer: stiff, stable, and easy to machine. How it compares to acetal...

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CNC milling machine cutting an aluminum part

CNC Machining Processes: Milling, Turning, EDM, and When to Use Each

A buyer's guide to CNC machining. How milling, turning, 5-axis, Swiss, and wire EDM compare...

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CNC machine cutting a metal part for a prototype

Prototype Machining: How to Get CNC Prototypes in Days, Not Weeks

When CNC beats other prototype methods, what drives turnaround, and how to quote prototype machining...

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Close-up of a precision machine working on a metal part

Wire EDM Design Guide: Inside Corners, Start Holes, and Tolerances

Wire EDM holds tight tolerances in hardened steel. Design rules for inside corners, start holes,...

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CNC machine cutting a metal workpiece

Aluminum vs. Titanium: How to Choose the Right Metal for Machined Parts

Weight, strength, heat, corrosion, and machining cost. When titanium earns its price over aluminum for...

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Row of 3D printers producing prototype parts

Prototype Manufacturing: Choosing the Right Process for 1, 10, or 100 Parts

CNC, urethane casting, soft tooling, or printing. How quantity, material, and timeline decide the right...

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Metal lathe turning a steel rod

CNC Turned Parts: Design Rules for Lathe and Swiss Work

Length-to-diameter ratios, thread relief, grooves, and concentricity. Design rules that keep CNC turned parts accurate...

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Close-up of a CNC machine making custom machined parts

Custom Machined Parts: 7 Drawing Callouts That Raise Your Quote

Blanket tolerances, sharp inside corners, and tight finishes add cost fast. Seven callouts to rethink...

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