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Way Lube, last post
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Marty N
I mentioned that I would, before weeks end, obtain and try some Way Lube against the others I posted about.
John had several sooooo I tested several. ISO 68, 100 & 220 from two vendors, Mobil Vectra series and Viking Sliderite. Here's what I found out. The standard way oils have less tackifier than chain bar oil, allot less but it's still there. It's not stringy at all. The chain bar oil, NAPA brand, is about 50 SUS units heavier and while that seems small, in a 55 degree basement shop it's enough to notice. But the biggest difference is in stick-slip. I don't know what exactly is in this stuff but the stick part is definitely less, about 1/3 that of than any of the other lubricants I've tried, oil or grease. Dynamic values are about the same as a heavy 20W or light 30W. In descending order for ways I like Viking Sliderite 310, Mobil Vectra #2, Napa chain bar, Mineral non-detergent 20W heavy, Mobil 1 15W50, {White Lithium Grease (Not on ways)}. For Leads and Feeds, in descending order I like Chain Bar Oil, Mobil Vectra #4 (ISO 220), Super-Lube synthetic PTFE, White Lithium Grease. (Greases not on exposed threads though) For the thrust faces and bushings and poly gears I like Moly filled wheel bearing. For unpainted non contact iron parts. Gun oil. Opinion varies Marty |
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Michael Taglieri
Chain-bar oil is also available in Home Depot, etc. (for chain saws). I
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bought some for my motorcycle chain and may give it a try on the ways. Mike Taglieri miket--nyc@... Everyone has his reasons. - Jean Renoir "The Rules of the Game" On Fri, 2 Mar 2007 16:54:58 -0600 "Marty N" <martyn@...> writes: I mentioned that I would, before weeks end, obtain and try some Way
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Jim RabidWolf
I'm still using mobil 1 on the ways, however I have found an additive that
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makes them so slick, the tailstock will not lock in place <G> After a bit more testing, it may be offered for sale. Rabid ----- Original Message -----
From: "Michael Taglieri" <miket--nyc@...> To: <7x12minilathe@...> Sent: Saturday, March 03, 2007 4:08 AM Subject: Re: [7x12minilathe] Way Lube, last post Chain-bar oil is also available in Home Depot, etc. (for chain saws). Ilathes. Yahoo! Groups Links |
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Marty N
From: Jim RabidWolf
To: 7x12minilathe@... Sent: Sunday, March 04, 2007 2:59 PM Subject: Re: [7x12minilathe] Way Lube, last post I'm still using mobil 1 on the ways, however I have found an additive that makes them so slick, the tailstock will not lock in place <G> After a bit more testing, it may be offered for sale. Rabid Lubricity or as some call it "oiliness"! Of all the traits of a lubricant this is one that you rarely see a specification on. Usually from synthetic fluids suppliers but never from mineral oil suppliers. Unlike viscosity which is a function of the fluids internal interplay within itself, internal friction, lubricity defines how the lubricant interplays with the material it is applied to, external friction. From a tactile view point it is hard to distinguish. To quantify lubricity as a separate function, the additive must not interfere with the viscosity of the material it is added to. In other words the fluid, before and after addition, would need to display the same viscosity absolute (centipoises) as measured on something like a Brookfield Cone and Plate test rig, then show a lower sine of angle slip to proof a claim of greater lubricity. Years ago it was found that Wynn's friction proofing, which claimed greater lubricity, was not much more than kerosene which just reduced the viscosity of the base oil it was added too. Yes it provided a lower sine of slip but also reduced film strength significantly and greatly reduced viscosity and nobody at home knew the difference. The same effect could be simulated by going down one or two SAE grades or running the motor hotter by 20 to 30 degrees F. Another "trick" used by oil suppliers is to play with the molecular weight via catalyst cracking operations or reforming, more or less molecular branching, or selectively placing the distribution curve of the fluid via distillation , thus altering the specific gravity. As the SAE and ISO rating systems are apparent viscosity systems their relationship to the absolute systems hinges on this factor. Apparent viscosity in centistokes (cST) relating to centipoises (cP), that is centistokes X specific gravity = centipoises. Centistokes or Saybolt Seconds are used as industry standards to classify a lubricant and if pumped or dripped the delivery system cares about its apparent nature but the lubricated surfaces proper only cares about the absolute value. In a more simplistic layout, ways and slides use viscosity to dampen vibration "chatter" and provide dynamic braking to the system, along with mechanical considerations. An additive that provides lubricity at the expense of viscosity may improve the tactile "feel" while reducing the dampened features. Keep us posted Rabid, I'm very interested in your project! Marty |
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Thank you Clifford Clavin. :) Marty, I just barely got through your
post without hitting 'next'. I think I'll just wait for the last post on this subject that just says '________ is the best lube to use'. Hey, please don't take my comments as a knock, you bring up some very valid points. Thanks for your insight. And have a very slippery day. --- In 7x12minilathe@..., "Marty N" <martyn@...> wrote: Lubricity or as some call it "oiliness"! Of all the traits of alubricant this is one that you rarely see a specification on. Usually fromsynthetic fluids suppliers but never from mineral oil suppliers. Unlikeviscosity which is a function of the fluids internal interplay within itself,internal friction, lubricity defines how the lubricant interplays with thematerial it is applied to, external friction. From a tactile view point itis hard to distinguish. To quantify lubricity as a separate function, theadditive must not interfere with the viscosity of the material it is added to. Inother words the fluid, before and after addition, would need to displaythe same viscosity absolute (centipoises) as measured on something like aBrookfield Cone and Plate test rig, then show a lower sine of angle slip toproof a claim of greater lubricity. Years ago it was found that Wynn'sfriction proofing, which claimed greater lubricity, was not much more thankerosene which just reduced the viscosity of the base oil it was added too.Yes it provided a lower sine of slip but also reduced film strengthsignificantly and greatly reduced viscosity and nobody at home knew thedifference. The same effect could be simulated by going down one or two SAE gradesor running the motor hotter by 20 to 30 degrees F.weight via catalyst cracking operations or reforming, more or lessmolecular branching, or selectively placing the distribution curve of thefluid via distillation , thus altering the specific gravity. As the SAE andISO rating systems are apparent viscosity systems their relationship to theabsolute systems hinges on this factor. Apparent viscosity in centistokes(cST) relating to centipoises (cP), that is centistokes X specificgravity = centipoises. Centistokes or Saybolt Seconds are used as industrystandards to classify a lubricant and if pumped or dripped the deliverysystem cares about its apparent nature but the lubricated surfaces proper onlycares about the absolute value.dampen vibration "chatter" and provide dynamic braking to the system,along with mechanical considerations. An additive that provides lubricity atthe expense of viscosity may improve the tactile "feel" while reducingthe dampened features. |
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Marty N
Thank you Clifford Clavin. :) Marty, I just barely got through your post without hitting 'next'. I think I'll just wait for the last post on this subject that just says '________ is the best lube to use'. Hey, please don't take my comments as a knock, you bring up some very valid points. Thanks for your insight. And have a very slippery day.
From: rancerupp Uh, okay, your welcome, it think? I use motor oil in my motor. Transmission fluid in my transmission. Gear oil in the differential. So I think I'll use pancake syrup on my Ways. ;-) |
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