Tel I was mainly thinking of surface grinding cast iron cylinder heads and blocks, crankshafts etc. Lee ----- Original Message ----- From: "Terry Lane" <tel@xxxxxxxxxxx> To: <modeleng@xxxxxxxxxxxxx> Sent: Wednesday, October 26, 2005 10:03 PM Subject: [modeleng] Re: Cast Iron Coolant > > Hmmmm ......... at tech we were always told never to grind cast iron - cold > chisel or file only. Actually, there is a reason, but I'd have to go back > thru' the old books to find it > > > > Hi All > > I have all ways been told to never to use coolant or cutting oil. when > turning or milling cast iron and never have. Has anybody got any ideas on > why this is.I think I was told that it would cause hard spots in the iron.. > You always use coolant when grinding cast iron or you will end up with burn > marks. > > Lee > > > > -- Attached file included as plaintext by Ecartis -- > > -- Desc: "AVG certification" > > > > No virus found in this outgoing message. > > Checked by AVG Free Edition. > > Version: 7.1.361 / Virus Database: 267.12.5/149 - Release Date: 25/10/05 > > > > MODEL ENGINEERING DISCUSSION LIST. > > > > To UNSUBSCRIBE from this list, send a blank email to, > > modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject > line. > > > > MODEL ENGINEERING DISCUSSION LIST. > > To UNSUBSCRIBE from this list, send a blank email to, > modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line. > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.1.361 / Virus Database: 267.12.5/149 - Release Date: 25/10/05 > > -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.361 / Virus Database: 267.12.5/149 - Release Date: 25/10/05 MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.