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…]

Gorilla Glue

October 16, 2016 Nigel 0

This is not your ordinary glue. Warning labels on the bottle say to be careful and not to get it on skin or clothes. According to the information this will glue: stone, metal, ceramics, glass, [more…]

Carbide or Tungsten Carbide

June 25, 2016 Nigel 0

Nowadays tools are often referred to as being made from “carbide” – what they actually mean is Tungsten Carbide. The reason for using Tungsten Carbide is it has some great properties: melting point 2,785–2,830°C hardness of [more…]

Case Hardening Compound

June 7, 2016 Nigel 0

Just bought some case hardening compound from EKP Supplies. I want it for a cylinder that I have machined and would like to try and harden the inner surface. I bought 250g for around £14.00 [more…]

Deluxe Materials Roket Rapid

April 10, 2016 Nigel 0

A high quality instant glue. High quality, triple-distilled variety for the best adhesion to a wide variety of materials. Perfect for most applications this the medium thickness formula. Supplied in a Fluorocarbon treated bottle for [more…]

Swarfega Hand Wipes

April 4, 2016 Nigel 0

  The Swarfega hand wipes. I’m used to Swarfega being a thick green jelly that you rub all over your hands and work it in to remove the grease and dirt and then lots of [more…]