Cnc Rougher

Which is the best router blade to produce a rough cut surface?

I'm looking to use a CNC router table to flycut the top surface of some wood. Importantly, I need the surface to end up quite rough e.g the type of rough cut surface you would get from cutting some wood using a circular saw (but without any machining marks). Which router blade should I use to achieve this? Or is it more a case of reducing the router cutting speed. Whenever I have used a router to cut wood, the cut surfaces have been left quite smooth.
The cut top surface of the wood needs to have no machining marks. This is the main reason why I'm considering using a router. When I have cut wood using a circular saw, I really like the slightly rough texture and look but unfortunately you also get faint machining marks which I don't want.

I have tried planing but it leaves the wood too smooth.

I think you have set yourself an impossible task. Unless the CNC router is your own, I can't imagine any company willingly using inferior grade tooling in their machine to try and produce a surface finish akin to a circular saw without the saw marks. I can think of only two ways you might achieve such a finish.

Firstly try to buy the wood direct from a lumber yard. Wood that has been planed on both sides and then returned to storage would have a raised grain when sold. Alder would be a perfect example of this.

Secondly you might try re-sawing it on a bandsaw, with a wide blade and the correct feed speed you might achieve a rough finish with out the tool marks.

Having seen a number of your questions on this or related subjects I am intrigued to know just exactly what it is you are trying to make.

CNC TURNFIN $4.5 CNC TURNFIN

CNC 3-Blade Set(CNC Grips & Swash Plate) $85 CNC 3-Blade Set(CNC Grips & Swash Plate)

CNC 3-Blade Set(CNC Grips & Swash Plate) $85 CNC 3-Blade Set(CNC Grips & Swash Plate)

Rougher Than the Rest $6.21 Description not provided.

Rougher Than Rough $6.38 Description not provided.

CNC STRUT SET 6mm/7.5mm $16.5 CNC STRUT SET 6mm/7.5mm

CNC RUNDER-ASSEMBLY 75mm $16.5 CNC RUNDER-ASSEMBLY 75mm

CNC WATER COOLED T-MANIFOLD26CC $31.5 CNC WATER COOLED T-MANIFOLD26CC

CNC Metal Swashplate $13 CNC Metal Swashplate

CNC Metal Tail Unit $18 CNC Metal Tail Unit

CNC Metal Washout Base $12 CNC Metal Washout Base

CNC See-Saw Set $18 CNC See-Saw Set

CNC See-Saw Spindle $5 CNC See-Saw Spindle

CNC Stop Plate(for 3-Blade) $6 CNC Stop Plate(for 3-Blade)

Account limit of 3981 requests per hour exceeded.

Cutting 1" bar of 6061 Aluminum - Tormach CNC Application

custom car builders ?

i have a rough sketch of my dream car and i decided it's time to get it built, i have a few ideas of how it's going to happen one way is to get it 3d modeled then cnc cut, mold then build the chassis or design it to a donor the 2nd way is to do the whole thing by hand, mold then fit to chassis, my question is how much will this roughly cost and can you recommend someone or someplace that will help me with this ?

Right now one of the hot builders is Chip Foose. Down in the Los Angeles area. When I was last down at his shop I was surprised at what all he had going on for such a small shop, He is a very likable guy and would take the time to discuss this project with you.