Proxxon DS230/e Fretsaw

August 27, 2018 Nigel 0

A light small fretsaw that works very effectively and is easy to use at any level. Specification Machined worktable of die-cast aluminium, 160 x 160mm. ABS plastic body with side sliding panel for removal of [more…]

EN8

August 26, 2018 Nigel 0

I needed to make some long double ended bolts for a friend who’s restoring a motorbike. After some searching we decided on EN8: EN8 Engineering Steel is an unalloyed carbon steel with reasonable tensile strength. [more…]

Milling Cutters

August 12, 2018 Nigel 0

End Mill A milling cutter that is used mainly to machine on the side of the cutter and so used to profile a part. End mills do not tend to have a clearance cutting edge [more…]

Steel

August 11, 2018 Nigel 0

An iron-based alloy containing carbon, and other alloying elements eg manganese. Steel contains anywhere between 0.2% carbon for soft wire and sheet steel and 1.5% carbon for cutting tools. A work in progress as I [more…]

Picard Planishing Hammer

July 29, 2018 Nigel 0

Precisely ground and hardened, hand-forged, steel head with highly polished tips mounted on a hickory handle to provide the right weight and balance. Made in Germany. Round Faces Flat Face 25mm diameter Round Domed Face [more…]

Propagation of Sound

July 29, 2018 Nigel 0

At distances large compared to the size of the source, sound intensity diminishes according to the inverse square law. This is relatively simple to reliably calculate, provided the source is small and outdoors where no [more…]

Swann-Morton Scalpel

July 28, 2018 Nigel 0

We all have a selection of different knives from the robust Stanley that is great for cutting tough material such as carpet to the small model making knives with blades that have never been changed [more…]

Lathe Tools

July 22, 2018 Nigel 0

The tool that is held in a toolpost on the lathe cross-slide and which is feed into the rotating workpiece to machine it to size. Lathe tools are made from high speed steel (HSS), Tungsten [more…]

Belt Drives

July 15, 2018 Nigel 0

There are a number of ways to transmit power between two shafts, often to enable speed reduction and torque increase, but one of the easiest ways is to use a form of belt drive. They [more…]