Numachine / Insights

Know-how,
shared.

Practical guides from 35 years of machining the difficult. Material selection, design for machining, tolerances, the stuff that saves you money before you even send a drawing.

Practical CNC know-how from 35 years on the shop floor: choosing materials, designing for machining, holding tolerances, and moving from prototype to production. Read these before you send a drawing: the earliest decisions are the ones that decide what a part costs to make.

Material Guide5 min read

Choosing the Right Material for CNC Machining

Aluminium, titanium, stainless, Inconel, how material choice drives cost, cycle time and performance, and how to pick right.

Read →
Design6 min read

Design for Machining: The Biggest Lever on Cost

Small design changes that slash machining cost, wall thickness, internal radii, tolerances, and the features that fight you in production.

Read →
Technical5 min read

Understanding CNC Tolerances

What ±0.005mm actually means, when you need precision and when you're paying for it unnecessarily.

Read →
Process5 min read

From Prototype to Production

How to design a prototype that's actually a path to volume, and the mistakes that force a costly redesign at scale.

Read →

Got a question
we haven't answered?

Ask our engineers directly.

Request a quote →
Request a Quote