1/22/2024 0 Comments Die grinder bits dremelThis will assist in removing swarf and reduce the chattering against the workpiece which will, in turn, improve the finish from the burr cut. In principle we recommend the highest effective speed for carbide burrs. The power output of the die grinder, flexible shaft or drill.The material you are cutting with your burr.The optimum speed for carbide burrs will depend on three main factors. We are so confident in the stability of our burrs that we offer a no quibble money back guarantee against all our burrs. Does the head fall off? Really? Sadly we hear all to often that some burrs supplied in the market place have a habit of losing their heads!! It can happen, but it shouldn't.Lots of swarf or chips in the surface of a new burr might indicate that the head was machined out using poor quality or worn cutting tools. Look for a good clean profile on the burr head with no micro-particles or chips being visible in the cut profile. Have you considered inspecting a burr under a microscope? That might seem a little odd but it is at the microscopic level that quality really begins to show.In normal use single cut burrs add no real benefit to the end user but they are cheaper to make and will not last as long as a diamond cut burr on steel. Although there are exceptions to the rule look for a premium cutting profile such as the diamond cut or fluted cut profile of the burr head.Here are three tips which might help you to separate the sheep from the goats (so to speak). Looking at a carbide burr in a box it is very difficult to tell one burr from another. How Can I tell if a Carbide Burr is Good Quality? Why not buy one of our carbide burr kits which should cover most of your application needs.Chamfering edges? Then a straight sided are angled burr may be the right choice.Cleaning out the inside of a bowl? Use a ball shaped burr.The Shape of burr is entirely down to your application: The open fluted structure allows the swarf to be removed quickly without clogging up the surface and generating more heat. The fine tooth structure will ensure a rapid cut and a finer finish.įor a softer surface - Choose the Fluted Cut burrs. If it is a hard surface (including hard plastics) - Choose a Diamond Cut burr. This is the most common question we get asked. What Type of Tungsten Carbide Burr Should I Buy? Fluted cut carbide burrs have long curved cutting profile which allows for efficient removal of the grinding swarf and also allows for more air to get near the cutting surface in order to keep the workpiece cool. For this reason we supply the fluted cut profile on all our carbide burrs designed for aluminium. The finer burr cut profile also improves the quality of finish from the burr.įluted Cut Burrs = Softer metals and soft plastics tend to heat up quickly when grinding into the material surface. Ideal for harder metals including steels, stainless steel and aerospace metals. We therefore have two cut profiles available as standard.ĭiamond Cut Burrs = This is a finer tooth head which has a knurled appearance on the surface which creates a large number of smaller cutting faces. There are many older styles of cut profile but at AFS we took the decision to focus on the best options for all applications. The machine profile of the carbide burr is important for it's application. Dependent on the size of the burr, premium quality carbide burrs are either fully machined from a solid piece of tungsten carbide or the cutting head of the burr is made from a 'blank' of tungsten carbide which is soldered onto a tool hardened steel shaft to create the burr head.
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