Mechanical & Industrial Engineering
Petro-Canada Lubricants Handbook - 2005.pdf
This Handbook outlines Petro-Canada’s many lubricants, specialty fluids and grease products along with applications, quality and performance features. It is intended to be used as a reference guide by Customers, Associates, Distributors, Sales and Technical Service Representatives.
Refrigeration and Air Conditioning.pdf
40 lessons on refrigeration and air conditioning subject, taken from IIT Kharagpur training program. Useful training material for mechanical engineering students/college, or as reference for engineer.
Miller - Welding And The World Of Metals.pdf
The articles were intended to bring some light to the welding industry concerning the massive heritage we have received from those who have gone before.
Miller - Guidelines For Gas Tungsten Arc Welding (GTAW).pdf
Gas Tungsten Arc Welding (GTAW), also known as tungsten inert gas (TIG) welding is a process that produces an electric arc maintained between a non consumable tungsten electrode and the part to be welded. The heat-affected zone, the molten metal and the tungsten electrode are all shielded from atmospheric contamination by a blanket of inert gas fed through the GTAW torch. Inert gas (usually Argon) is inactive or deficient in active chemical properties. The shielding gas serves to blanket the weld and exclude the active properties in the surrounding air. Inert gases such as Argon and Helium do not chemically react or combine with other gases. They pose no odor and are transparent, permitting the the welder maximum visibility of the arc. In some instances Hydrogen gas may be added to enhance travel speeds.
Metal Inert Gas (MIG) Welding Tips.pdf
This pdf file contains tips on successful welding with Metal Inert gas (MIG) welding. Here you can find various pictures describing MIG welding position, welding wire selection for various metal, examples of bad and good welding results.
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