Insights & Updates

Jack & Sons Blog

Technical insights, industry news, welding engineering expertise, and updates from the shop floor at Jack & Sons.

Featured
March 2025
CNC Machining
5-Axis vs 3-Axis Machining โ€” When Does 5-Axis Actually Matter?

Not every part needs 5-axis capability. But for defense and aerospace work, the ability to hit complex geometry in a single setup changes the game. We break down when to use it and when it's overkill.

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February 2025
Materials
Welding MIL-DTL-12560 Armor Plate โ€” What Most Shops Get Wrong

Armor plate isn't like structural steel. The heat input requirements, preheat, interpass temperature, and post-weld treatment are all different โ€” and getting them wrong means rejection. Here's what to know.

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January 2025
Fiber Laser
Fiber Laser vs. CO2 โ€” Why We Chose the Mitsubishi 6kW for Our Shop

When we spec'd out our laser cutting capability, the choice came down to cut quality on exotic materials, speed on thin gauge, and long-term cost of operation. Here's the breakdown.

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December 2024
Defense
CAGE Codes, ITAR, and SAM.gov โ€” What Defense Buyers Actually Need From Suppliers

If you're a defense prime or Tier 1 and you're vetting a new fabrication supplier, here's what actually matters and how Jack & Sons is set up to meet those requirements from day one.

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November 2024
Robotic Welding
When Robotic Welding Makes Sense โ€” and When It Doesn't

Robotic welding gets oversold. It's not the right answer for every job. Here's our honest take on when automation delivers real value versus when skilled manual welding is the better call.

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Welding Engineering 4 CNC Machining 3 Defense Programs 5 Materials 6 Laser Cutting 2 Shop Updates 3 Robotic Welding 2 Aerospace 3