Radiused Connecting Rods

February 28, 2019 Nigel 0

The formal way to radius the end of a connecting rod is to use a rotary table and an end mill. If you don’t have a rotary table you can make hardened filing buttons and [more…]

Accurately Drilling a Hole

February 28, 2019 Nigel 0

Even in a milling machine with all axes, apart from the quill movement, locked I start with a centre drill. Drill gently to ensure that the centre is perfectly aligned and drill into the material [more…]

Milling Machine Z-Axis Accuracy

February 28, 2019 Nigel 0

Someone asked me how accurate my Sieg SX2.7 milling machine was in Z-axis. There problem was the head moving when you lock the travel. My method for measuring this was to lightly clamp an engineers [more…]

Warco WM240b Carriage

February 17, 2019 Nigel 0

I’ve had a Warco WM240b for a number of years, but in the last few days the main carriage has been developing noticeable play. The obvious sign was that I would make a cut and [more…]