Journal

Metal Fabrication for Prototypes and Production

How fabricated metal parts move from prototype to production: cutting, bending and welding methods, typical tolerances, and the fixtures and dies added as volumes grow.

Metal Fabrication for Prototypes and Production

How fabricated metal parts move from prototype to production: cutting, bending and welding methods, typical tolerances, and the fixtures and dies added as volumes grow.

Composites in Aerospace Structures

Where carbon fiber composites are used in aircraft and spacecraft, why they are used, and the qualification, inspection and cost issues that come with them.

Composites in Aerospace Structures

Where carbon fiber composites are used in aircraft and spacecraft, why they are used, and the qualification, inspection and cost issues that come with them.

Advantages and Limits of CNC Machining

What CNC machining does well compared with manual machining, casting, molding and 3D printing, and where another process is the better choice.

Advantages and Limits of CNC Machining

What CNC machining does well compared with manual machining, casting, molding and 3D printing, and where another process is the better choice.

CNC Machining for Automotive Parts

Which automotive parts are machined, typical tolerances, how machining works alongside casting and forging, and what to define before asking for a quote.

CNC Machining for Automotive Parts

Which automotive parts are machined, typical tolerances, how machining works alongside casting and forging, and what to define before asking for a quote.

Vertical CNC machining center

Buying Manufacturing Equipment: What to Check

Start with the parts, do the capacity math, price the whole installation and sort out approvals before an imported machine ships. A checklist for buyers in Ontario.

Buying Manufacturing Equipment: What to Check

Start with the parts, do the capacity math, price the whole installation and sort out approvals before an imported machine ships. A checklist for buyers in Ontario.

Deep groove ball, cylindrical roller and tapered roller bearings

How to Choose a Bearing

Bearing type, rated life, speed, seals, fits and misalignment, with a worked L10 example. Double the load on a ball bearing and its life drops to an eighth.

How to Choose a Bearing

Bearing type, rated life, speed, seals, fits and misalignment, with a worked L10 example. Double the load on a ball bearing and its life drops to an eighth.