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Thank you hydromarine “you will as mikehalloran says cut into the radius at the base thus weakining the cast“ sorry but I don't understand what you say here, may please explain better (this is because of my very bad english)... “you must have a final size for the vertical face and surface...

Thank you so much Mike “the machining sequences for your workpiece,” we rough out the block side faces first and then with a 125mm facemill we face the cap faying surfaces “the tolerances you are trying to achieve” We are taliking about roughing-out so there are no tolerances “or the...

I hope they will fix it soon however I've just tried and from my pc it works I opened the file with Paint thank you so much Mike for your availability

Thank you very much Mike you may see here attached a view of the work piece exactly how it gets off from the machine in question: you can see the surface of the cap faces is finished instead the profile is still rough, and this roughing out has been done by the method mentioned above and you...

Thank you so much Zinov however I've just seen on Amazon and "ISO 8688-2:1989 (Tool life testing in milling -- Part 2: End milling" is out of stock Thank you very much indeed for letting me know the MQL system, I've found several videos on youtube about it and they are very interesting thank...

Thank you so much Mike, “That's not a center-cutting tool, so you can't use it for plunge cutting. Maybe you could orbit it and plunge. May you please tell me what does plunge cutting mean? What do you mean by “orbit it and plunge” “So, I don't understand what you are doing now” I'm...

Thank you for entering in my post I'm using this 80mm mill on the picture below to do an unusual roughing out on an internal profile on cast iron, along Z axis, machining from the top to the bottom leaving an undulate surface. The reason why we are using this method is because the machine is...

Thank you so much Zinov “Curled and black, in my opinion this means high vibrations (I expect there will be strips on the back of the chips).” this is a very very interesting... yes there are strips on the back of the chips I've never heard about MQL before What is it? Is refrigeration by...

Thank you so much Zinov “The tooth passing frequency is 'INDEPENDANT OF m', it depends only on the number of inserts and the operating rpm.” so by saying so I think the tooth passing frequency should be independent also of the radial engagement, is my reasoning right? “the maximum number of...

Thank you so much Bill “The cutter you are using could be changed to one with reduced cutting forces” I used to use many inserts with low cutting forces on steel, but now I'm machining cast-iron and I know that this kind of inserts have a cutter with a reduced angle, and I don't know if it is...

Dear Zinov What is the chips form (curled, straight black blue…)? You asked this very interesting question a few posts ago I took a sample of chips I have here I could show it to you but unfortunately I can't show pictures on this website it doesn't work, it will there be a technical problem...

Thank you so much again Zinov “The good thing about the face mill ,in the link, that it has an odd teeth number! In my opinion this will help to reduce vibrations.” in fact following your 1st suggestion I've already calculated that I could reduce the inserts passing frequence of 30%...

thank you very indeed Zinov wonderful lesson “low radial engagement is the equivalent of reducing the number of teeth cutting simultaneously” so following your example if the radial engagement is half mill the number of inserts will 6 (12/2), Is it right? If my reasoning above is right I've...

Thank you so much Zinov the unit is in millimetres I'm sure we are not going too high about velocity, however thank you so much for your lesson about displacement very interesting and I will try to find out anyway even though I think only maintenance can give such a answer we are using a...

Thank you very much indeed Zinov I will find out what is the maximum allowed displacement of the spindle head at your operating speed (generally it is curve or tabulated data, it can be found in the maintenance document). I have no idea what you are talking about, may you explain better...

Hello thank you for entering in my post I'd like to reduce the strain of a 125 face-mill (250mm long) on cast-iron the pass is 5mm x 70mm, this tool is mounted on a CNC milling which is already working in its maximum capacity and it causes a lot of vibrations, I could make this tool 50mm...

Thank you so much Bill for your reply may you please also have a look at my new thread it's about a jig very interesting topic too thank you so much again http://www.eng-tips.com/viewthread.cfm?qid=326435

I put this link from a different engineering forum because I can't upload my picture, so please to see my picture clik on this link http://www.mycncuk.com/forums/showthread.php/4846-Jig-angle-head-expert-look-at-my-PICTURE-please%21?p=33013#post33013

Hello thank you for entering in my post I'm running this cnc milling for a company of 500 employees As you can see on my picture we have this raised jig, I asked to my manager and also to an engineering of my shift about this 245mm platform to raise this jig and nobody could give me a good...

Thank you Boottmills and Walterke for your help The 8.5 drill needs to make a M10 tapping hole and the 31.5 couter bore tool makes just a recess on a 20mm pre-hole made by a previous step, that's why we could get into this 20mm pre-hole with the couter bore tool mouted with 8.5 drill, because...