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Milling cutters

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Chris Farbrace01/12/2009 22:32:13
17 forum posts
Hello,can anyone help?I want to try milling on my Sieg lathe i have a vertical slide and ER collets and chuck but am bewildered by the vast array of cutters available.Would it be better to buy HSS and possibily 8% cobalt ones or carbide? as i wouldnt have the means of full resharpening would the throwaway types be better?I presume the more flutes the better to reduce chatter,Cutwell tools in UK sell HSS 8% cutters that they say will plunge,mill and slot as they have centre cutting are coated and will cut ordinary steel dry(they seem to do the lot for not too much money)anyone know if this is so.What will offer the best grip in collets,flatted or screw shank, plain shank seem quite hard to find and does anyone have any experience of the  mill and slot drill sets sold by Chronos,RDG etc.you seem to get a lot (10 slot drills & 10 mills) for around £60 obviously imported but are they any good?apologies for so many questions but obviously you can see i am new to this.Any advice much appreciated,regards Chris Farbrace
JasonB02/12/2009 07:28:12
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HSS with or without cobalt will be fine, The solid carbide are really only of use on difficult materials like chilled cast iron, they are also easily damaged, just drop one and you could chip it.
 
Your ER collet will work fine holding screwed, plain of the FC-3 disposables with the flat on the shank.
 
The disposable FC-3 type work out quite economic but being a bit shorter can give clearance problems when you need to mill close to hold down bolts as the chuck can hit the bolts.
 
You would be better off buying the cutters as you need them and get ones of a reasonable quality, some of the sets can be a bit rough.
 
Have a read of this recent thread as it covers some of what you are asking 
Jason

Edited By JasonB on 02/12/2009 07:29:39

Chris Farbrace03/12/2009 22:00:57
17 forum posts
Thanks for the reply Jason,HSS it will be ca'nt say i like the thought of carbides being so easily damaged and will also bear in mind about the quality,regards Chris farbrace

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