Precision CNC machining insights from Dynamics Group

Engineering resources

Engineering Resources — Page 3

Technical guidance for engineers, sourcing teams and OEM buyers evaluating machining, tooling, fabrication and inspection suppliers.

August 13, 2026, 7:11:16 PM EDT

How to Choose a Toolmaking Partner for OEM Programs in 7 Steps (2026)

Quick Guide: How to Choose a Toolmaking Partner in 7 Easy Steps Define Your Program Requirements — Document critical features, tolerances, materials, and production volumes before ...

August 4, 2026, 3:36:00 PM EDT

Weld Fixture Design: 8 Fundamentals That Determine Repeatability

A weld fixture has one job: put the same parts in the same place, weld after weld, shift after shift. When welded assemblies drift out of tolerance, the root cause is rarely the welder — it ...

August 4, 2026, 3:36:00 PM EDT

3D Printing vs. CNC Machining for Prototypes: A Decision Framework

Every prototype request eventually hits the same fork: print it or machine it? Engineers often default to whichever process their last shop happened to offer. A better approach is to run ...

August 4, 2026, 3:36:00 PM EDT

A Practical DFM Checklist for CNC Machined Parts

Most machining cost overruns are designed in, not machined in. Design for manufacturability (DFM) is simply reviewing a part the way a machinist will — asking what tool reaches each ...

August 4, 2026, 3:36:00 PM EDT

Tolerance Selection: How Tight Is Tight Enough (and What It Costs You)

Every dimension on a drawing carries a tolerance, and every tolerance carries a cost. The engineering skill is not holding the tightest number a shop can achieve — it is knowing which band ...

August 4, 2026, 3:36:00 PM EDT

Finding Machining Suppliers on SAM.gov: A Buyer's Guide to Small-Business Sourcing

If you buy machined parts for government programs — or for primes with small-business subcontracting goals — SAM.gov is the sourcing database you already pay for and probably underuse. ...