Glanze TCT Tools

August 5, 2017 Nigel 0

Having bought a Warco WM240b lathe I needed some larger tools as everything up until now had been based around my HobbyMat and Unimat 3 that are both very happy with 6mm tooling. At 6mm [more…]

British Association Threads

August 5, 2017 Nigel 0

A British system of threads with 47.5° included angle with rounded roots and crest. Even numbers are the preferred sizes. Favoured by model engineers, Stuart Turner models are traditionally supplied with odd numbered BA nuts [more…]

Metric Threads

July 30, 2017 Nigel 0

The most commonly used type of general-purpose screw thread, one of the first international standards agreed when the International Organization for Standardization was set up in 1947. Metric threads are becoming more common in model [more…]

Picaxe Robot

July 15, 2017 Nigel 0

My first play with a PicAxe controller and a servo based robot. The first place to start is here: PicAxe.com Well, actually this wasn′t the first place I started. Firstly I spoke to a friend [more…]

Slitting Saw Mandrel

July 15, 2017 Nigel 0

Here shown assembled with a 60mm diameter, 0.8mm thick hss slitting saw. This article does not include all of the dimensions, more just pointers and approach. This particular mandrel was made for 16mm bore slitting [more…]

Gear Noise

July 15, 2017 Nigel 0

Gear whine – Generated by meshing gears due to the vibration caused by failure of the rolling action between the mating teeth due to: Minute imperfections in manufacture of Tooth pitch circle (radius and centre) [more…]

Gear Design

July 2, 2017 Nigel 0

Fundamentally we there are a few different gears: Bevel Gear – Conical shaped gears, the angle between the input and output shaft is anything except 0 or 180°. Double Helical Gear – The double helical [more…]

Centre Drill Profile

June 30, 2017 Nigel 0

I use centre drills all of the time, usually as a pilot drill in the lathe to give me a good starter for a larger drill. However, whey are they the profile they are? A [more…]

Steam Indicator Diagram

June 23, 2017 Nigel 0

The pressure in the cylinder is plotted versus the cylinder volume. This was developed by James Watt and John Southern to improve the efficiency of the steam engine. The work done is the area within [more…]

Mini Mill Belt Drive

June 18, 2017 Nigel 5

These mini milling machines (eg Amadeal XJ12-300) with the back gears suffer from gearbox failures and mine did some time ago – read about the experience of changing the gears for metal ones. Even after [more…]