Re: [Emc-users] Cutting fluid

2020-10-27 Thread Stuart Stevenson
Many moons ago - I was advised PH is very important to the process of minimizing allergic reactions to soluble coolant in machine tools. We started a program to maintain the coolant PH between 8.0 and 8.5. This eliminated machine rust problems and operator rash problems but not necessarily odor

Re: [Emc-users] Cutting fluid

2020-10-26 Thread Sven Wesley
Many moons ago, but sure we did experience some bad allergy reactions from cutting fluid. Some fluids are prone bacteria growth and if the system isn't cleaned regularly you may end up with a biohazard de luxe. Don't ask me how I know, but the sanitation of 25 machines sized workshop took a

Re: [Emc-users] Cutting fluid

2020-10-22 Thread Nicklas SB Karlsson
In some oils there are PAHs polyaromatic hydrocarbons and these have been linked to some forms of cancer https://en.wikipedia.org/wiki/Polycyclic_aromatic_hydrocarbon Then reading about Creosot https://en.wikipedia.org/wiki/Creosote I found there is difference in chemical properties between

[Emc-users] Cutting fluid

2020-10-21 Thread Roland Jollivet
The smell of many coolants make me feel nauseous, and that stuff surely gets to the liver if on your skin Have a look at this stuff. I haven't used it myself but intend to. https://www.mmsonline.com/products/clear-metalworking-fluid-engineered-for-easier-part-cleaning On Wed, 21 Oct 2020 at

Re: [Emc-users] Cutting fluid

2020-10-21 Thread Scott Harwell via Emc-users
@nksb.online] Sent: Wednesday, October 21, 2020 12:10 PM To: emc-users@lists.sourceforge.net Subject: [Emc-users] Cutting fluid CAUTION: This email originated from outside the Walla Walla University email system. I learned cutting fluid could be unhealthy. Anyone here have any experience? First thing

Re: [Emc-users] Cutting fluid

2020-10-21 Thread Ralph Stirling
From: Nicklas SB Karlsson [nk@nksb.online] Sent: Wednesday, October 21, 2020 12:10 PM To: emc-users@lists.sourceforge.net Subject: [Emc-users] Cutting fluid CAUTION: This email originated from outside the Walla Walla University email system. I learned cutting fluid could be unhealthy

Re: [Emc-users] Cutting fluid

2020-10-21 Thread marcus . bowman
On 2020-10-21 20:10, Nicklas SB Karlsson wrote: I learned cutting fluid could be unhealthy. Anyone here have any experience? I understand the problem has been that soluble cutting oil tends to drench the operator at waist level (on older machines which do not have total enclosures). That led

[Emc-users] Cutting fluid

2020-10-21 Thread Nicklas SB Karlsson
I learned cutting fluid could be unhealthy. Anyone here have any experience? First thing I think about is ordinary cooking oil. It might not have the best performance but as it is more or less just a little bit of hobby machining unless to bad this is not very important, it is more important