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Welding Processes - Shop Floor Talk. Weldhouse. How to choose the right drill speed. Quick Summary: Some approximate starting advice is to set the spindle speed between 700-1000 rpms for steel, above 2000 for aluminum, and slow down from there if you get discolored chips or heavy drill bit wear.

How to choose the right drill speed

In most cases the drill press will not be able to supply enough power or speed to follow the below recommendations. A 3/8" drill bit drilling mild steel at the recommended speed and feed could require around 1 hp. Going slower usually doesn't hurt, and will prolong tool life. Drill press spindle speeds depend on lots of things: the type of material being drilled and its hardness, the hole size, the type / hardness of the drill bit and its sharpness, whether or not a cutting / cooling fluid is used, and the rigidity of the drill and clamp, among others.

Also, most speed recommendations are geared towards manufacturing environments where machining time is very expensive. Feed Rate: This is how fast the drill bit is pushed down. Rotation Speed (RPMs) = (3.82) * SFM / Dia. Welding and Metal Arts Career Guide. Joining and Cutting Processes Web sites that describe joining and cutting processes, basics of welding, and specific types of welding.

Welding and Metal Arts Career Guide

Welding Links and Resources Welding directories, welding standards, shipbuilding industry, organizations and history of welding links. Underwater Welding Sites related to underwater welding and diving. Welding and Metal Working Schools Occupational Health and Safety Welding and machining safety related web sites, as well as occupational related health and safety links including: emergency,disaster, fire, electrical, tool, equipment, chemical, MSDS, and personal protective equipment.

Tutorials and Open Courses A guide to free on-line tutorials, learning objects, open courses and self-paced learning modules on the Internet. Basic Brazing Information For Bicycle Builders. What is Brazing?

Basic Brazing Information For Bicycle Builders

Brazing, simply put, is joining metal to metal by filling the joint with a different, melted metal at temperatures over 840F. The melted metal filling the gap must be able to wet the pieces being joined so that it is drawn into the gap by capillary action. Below 840F, the equivalent process is called soldering. If the process is hot enough to melt the metals being joined, it becomes welding or braze-welding. The pieces being joined together are referred to as the base metal, while the melted metal that fills the gap between them is called the filler metal. The following discussion of brazing focuses on the techniques and materials used in brazing bicycle frames, but most of the information applies to any similar brazing of light-weight steel components. Safety All types of brazing generate toxic fumes, and most brazing torches burn unstable fuels.

Brass Brazing Silver Brazing Often, silver brazing alloys also include cadmium, a poisonous metal with deadly fumes. Fluxes. Welder Apprenticeship 1st 2nd 3rd Yr. Alberta, Red Seal (new). - Mississauga / Peel Region Tools & Hardware For Sale - Kijiji Mississauga / Peel Region Canada. Welcome to Capital Crestings - America's Leading Fabricator of Roof Crestings, Finials & Snowguards.

Welding Projects

How to Weld. Welding Equipment and Supply.™ One comment we hear often about TIG Torch packages “What do you mean a torch package only includes a torch body and a cable?”™

Those of us in the industry are used to this, but fabricators new to the industry can easily end up ordering a TIG torch that they can’t use—at least until they buy the front end accessories. A premium TIG torch package includes rubber cables and hoses, and a standard package includes vinyl, plastic cables and hoses. What you don’t get is the front end parts you’ll need to actually use you torch: gas nozzles, collets and collet bodies, a back cap, and tungsten electrodes. If you already have the TIG torch accessories you need, a standard or premium torch package is the way to go, but if you’re just starting out, or have a welding project that requires a different front-end setup for your torch, you’ll need to get the proper parts.

Keep in mind, what makes a quality TIG weld is how you accessorize the front end of your TIG torch. Our Pro™ TIG Torch Packages Include: Andys Place.