Flycut or end mill to remove material9/10/2023 Rougher/ripper cutters like Mark says will remove metal at a faster rate without putting so much load on the machine so can be useful if making things from solid stock. For flycutting I have a set similar to the set of 3 with 12mm shanks that Arc sells which work fine, I also have a larger counterballanced one but don't use it much. I would say go with a flycutter first and then add a large indexable endmill or facemill if you find the need. However for iron castings I will use a 40mm 3 tipped cutter as it copes better with any hardspots that may be present which would take the edge straight off a flycutter. I tend to use a flycutter on my X3 for most metals as it gives a good finish, is easily sharpened and teh HSS blanks are cheap and last a long time. Of course, the suppliers will encourage you to buy both - won't they!Īs all things in life no one M/C will do everything & perhaps a vertical mill is more versatile than a horizontal, you can get conversion attachments for both.Īs always the question of what will you need will depend a lot on what you intend to do. The perfectionists who use a vertical mill will likely surface grind for a truly flat finish?! They are an acceptable solution for those with only a vertical mill. Your choice of more small ridges or fewer ridges and possibly more 'concavity'. You will always finish with a dished surface unless they are trammed in absolutely perfectly. I always think that flycutters and face mills are the cheap alternative to a horizontal mill. Nope! Easier to have an axe for cutting the tree down and a small chopper for the final splitting for kindling. Often the roughing and finishing route is more cost effective in terms of time and cutter replacement.Īsk yourself if you would use a felling axe to split kindling. So the cutter gets worn more quickly for a given volume of metal removed and it takes more passes, so longer time. Re the roughing and finishing end mills - think here that you can get a good finish with a standard end mill but the cuts will be much less. Carbide cutters cost a bit more but last a lot longer. I run a 12mm and 16mm roughing end mill in my SX3. Use a normal end mill for the final cuts. Roughing end mills are good for quickly removing metal when cutting on the side of the cutter. (You would not see the multiple cuts of a smaller diameter tool on a plate which is wider than the cutter) You could probably fly cut at 150mm diameter. The SX3 mill is rated to use a 50mm face cutter but I have used a 75mm dia cutter using light cuts. A fly cutter is inexpensive and could be home made. The face mill has a number of cutting teeth and is much faster than a fly cutter which only has one. Usage is similar, but you need to consider speeds 'n' feeds.Įither a face mill and a fly cutter can be used to machine the face of a plate. What is the difference between a face mill and a fly cutter?Įasy answer for starters : A fly cutter typically has one cutting edge, and a face mill has several.
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