Sourcing notes for custom parts

Drawings, tooling, quality and landed cost, from the team that runs the programmes.

All guides, page 36

Browse the full library.

All engineering tools →
Busbars10 min read

Busbar for renewable energy and storage

Solar, wind and battery systems run at DC, outdoors and for decades. The busbar has to manage continuous current, thermal cycling and a corrosive environment together.

Read
Stamping10 min read

Measuring burrs and edge quality

How to define a burr, choose a measurement method, set an acceptance limit that matches the function and keep records that show the die is still in control.

Read
Busbars10 min read

Busbar for busway and busduct

A busway is a continuous run of conductors, joints and supports. The design decisions sit at the joints and the expansion points, not in the middle of a straight section.

Read

Go from reading to checking

The guides are built around the same questions as the free tools. Size a busbar, check an ISO 2768 callout, build a first article report or compare landed cost.

The Qumek dispatch

One useful email a month

Drawing notes, supplier checks, tariff changes and the questions buyers keep asking. No newsletter filler, no daily drip.

One email a month. No spam, no list sharing.