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Die Casting News

NADCA Video: Die Casting Mechanical Maintenance (including Slide Way Rail Lubricants)

Posted by Hill and Griffith Company on Feb 14, 2018 5:02:47 PM

Video News Update: Mechanical Maintenance & Evaluation of Die Cast Machines including die casting machine way rail surface construction and way lubrication


The material presented in this video are some highlights from NADCA’s online webinar - Mechanical Maintenance & Evaluation of Die Cast Machines: Primary Mechanical Structures. The first in the Mechanical Maintenance & Evaluation of Die Cast Machines series covers topics related to the major mechanical support structures of die casting machines; the machine base, rails, platen supports, wear pads, die carriers, tie bars and bushings.

For information on purchasing a downloadable copy of this webinar in its entirety, please visit: diecasting.org/store/detail.aspx?id=WEB239

Transcript of the short video snippet which includes the description of die casting machine ways. Hill and Griffith supplies a complete line of industrial lubricants including die casting machine slide way rail lubricants.


"Now, once conceptually you have this base in place on the shop floor, now we got to put stuff on it. The stuff, the first thing you're going to talk about are the rails. Rails are, I'm just going to go ahead and show you where they are. Here is the machine base, and right on the top of this steel which makes up the base of the machine are these things we call rails.

This is the front rail and this is the back rail, typically, because the back one's supporting the back plate or the rear platen or the back platen, and the front one is under the moving platen or the traveling platen, so it's called the front one just because it's in front of the back one, because the right of the machine is typically considered the front of the machine and the left of the machine as we're looking at it, this is called the operator's side of the machine. Typically, the left side of the machine is typically called the clamp side of the machine.


There are the rails, and what are they? They're hardened steel pieces of flat stock that are bolted to the die casting machine base. Their purpose is to carry the load or the weight of the platens, of the traveling platen and the back platen. Along with that, obviously the toggle mechanism, which as you can see is all hanging out here in between the rear back platen and the traveling platen.

There's a lot of weight there, and if we just let that ride on the relatively soft steel that is the machine base, it would very quickly wear out. We put these wear surfaces, I'm going to call them, on top of machine base, and those are the rails. They're typically made out of a relatively high carbon steel that's .6 carbon and SAE 1060 steel. They're flamed hardened. Basically, they take an oxy-acetylene torch and heat it up 'til it's hot and then crunch it, and a Rockwell C60 is very hard, very abrasion resistant, very strong to the depth of a 1/4, 3/16 of an inch in that area. Then what they do is they grind it to a very, very smooth surface, 15 microinches, 15 millionths of an inch, that's a very smooth surface.

To purchase access to this course, visit the NADCA marketplace at www.diecasting.org/store. Purchasing a course through the online education system grants you one year of access to the recording, presentation, support material, and test when applicable. 

About the North American Die Casting Association

Headquartered in Arlington Heights, IL, the North American Die Casting Association (NADCA) represents the voice of the die casting industry, representing more than 3,100 individual and some 300 corporate members in the United States, Canada and Mexico. NADCA is committed to promoting industry awareness, domestic growth in the global marketplace and member exposure.

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