Pewter

May 28, 2017 Nigel 0

The image shows a pewter flywheel on a solenoid engine. The outer surface has a hammered finish. Traditionally pewter isĀ an alloy containing 80% tin and 20% lead. Modern pewter is 85 to 95% tin with [more…]

Wood and it’s Uses

May 23, 2017 Nigel 0

A hard substance which forms the branches and trunks of trees and which can be used as a building material, for making things, or as a fuel. Wood properties depend on moisture content. Wood is [more…]

Parting Aluminium on the Lathe

April 2, 2017 Nigel 0

Parting off aluminium in the lathe can be nerve racking and especially if you’ve got it wrong in the past and either the work piece has come out of the chuck or the tool has [more…]

Machining Cast Iron

March 18, 2017 Nigel 0

There are a number of different grades of cast iron and within these there are a number of different qualities depending a lot on the casting method. Sand castings that are found a lot in [more…]

Cast Iron

March 18, 2017 Nigel 0

Cast iron tends to be brittle, except for malleable cast irons. With its low melting point, good fluidity, castability, excellent machinability and wear resistance, cast irons have become an engineering material with a wide range [more…]

Silver Steel Cutting Speeds

February 5, 2017 Nigel 0

The recommended cutting speed for silver steel is 15 to 25m/min Using this speed I’ve created the following table of cutting speeds: Diameter of material [mm] Spindle speed [rpm] Roughing Spindle speed [rpm] Finishing 3 [more…]

Brass Gears

Brass Standards

December 28, 2016 Nigel 0

There are two basic classes of brass: Alpha alloys – less than 37% zinc – ductile and can be cold worked. alpha/beta or duplex alloys – 37-45% zinc – have limited cold ductility and are [more…]

Aluminium Grades

December 27, 2016 Nigel 0

I always find machining aluminium to be mostly ok, but now and again milling can just go badly wrong if the chips stick to the tool. The following list of alloys will give you an [more…]

Evo Stik Wood Glue

October 16, 2016 Nigel 0

This is a PVA wood glue. This is the glue that you can buy in most DIY shops. This is a good general purpose wood glue that is also great for craft and hobby work. [more…]

Titebond II

October 16, 2016 Nigel 0

This is the water-resistant version of the original Titebond glue that I reviewed some time ago. What is interesting is that it has been on the shelf and in use alongside the Titebond original and [more…]