front wheel hub laying on box of matches

Front Wheel Hubs

June 2, 2020 Nigel 0

The front wheel hubs are quite small, 18mm in diameter, considering the features that are machined into them. This is my excuse then for having to machine 5 of these hubs before getting a pair [more…]

Warco HV4 rotary table

Rotary Tables

April 19, 2020 Nigel 0

Very soon after buying a milling machine I can guarantee you will be looking at rotary tables. A rotary table feels like a must have. Use it to machine: arcs flats on bolt heads and [more…]

traction engine rear hub

Rear Wheel Hubs

February 27, 2020 Nigel 0

The rear wheel hubs for the miniature traction engine that I’m making need to be indexed with eight spokes each side of a single wheel. The trick is that the spokes are out of “phase” and [more…]

final pair of rear wheel rims

Rear Wheel Tread Pair

January 26, 2020 Nigel 0

My first go at machining a rear wheel tread pair for my miniature traction engine was not that successful. That meant I needed another go. The rear wheel tread pair are handed and the tread [more…]

rear wheel treads machined

Rear Wheel Treads

January 14, 2020 Nigel 0

The rear wheel treads on these 97mm diameter wheels are just 0.75mm thick and so after some consideration were designed as a machined feature rather than a riveted tread. The rim itself is just 2.75mm [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…]

Centering and Aligning

December 24, 2018 Nigel 0

I thought I would write an article around Centering and Aligning workpieces on the milling machine. These tappet covers were rather damaged after a number of years of use and what looks like some rough [more…]

Milling Machine Stiffness

December 9, 2018 Nigel 0

So, here I am in the workshop with a dial gauge in the spindle and weights on the top of the milling machine, trying to measure the Milling Machine Stiffness. The head was locked in [more…]

aligning a rotary table

Aligning a Rotary Table

October 14, 2018 Nigel 2

Aligning a rotary table or more importantly aligning a part on the rotary table can be tricky and this is just a simple rough and ready approach to aligning a part. What I’m actually trying [more…]