What Torch For Silver Brazing? - Practical Machinist
2008年2月21日 · MAPP/air works fine, almost as well as air/acetylene. Both work well for silver brazing copper tubing as in refrigeration work. You can even silver braze water filled copper tubing. Oxy-Acetylene will work fine if you use a soft brushy reducing flame. (Center cone needs to be at least 3x normal length for a given tip.)
General | silver-soldering bandsaw blades - Practical Machinist
2007年3月22日 · 2) i use silver brazing rod that melts at a dull red heat about 1300 - 1400. i got a 1 ounce kit with flux from welding store that usually will braze a 100 or more blades 3) i made from wood and metal a blade clamping device to hold ends in alignment with a good 1" to 1.5" gap between clamps for propane torch brazing. typically done in about 5 ...
Silver Solder Versus Silver Braze - Practical Machinist
2006年5月4日 · Silver solder flux and silver brazing flux are two very different compounds. Silver solder flux is designed to become active at very low temperatures and to work at very low temperatures. Silver brazing flux becomes active around maybe 500°F or so and stays active up to maybe 1500°F.
General | Silver brazing cast iron - Practical Machinist
2005年7月20日 · I have a maybe 5 pound cast iron casting that has an "ear" broken off. New casting. Clean break. Will silver braze "suck" into the joint and join the parts. Very low stress part. I guess the question is will silver braze adhere to cast iron. A few ways to skin this cat but silver braze would be...
Silver soldering (actually brazing?) bandsaw blades - what do I need?
2018年3月7日 · yes, they are recommending silver brazing. I've always known silver solder to be the 45% + stuff, i.e. Easyflo, Silflo, etc that has a tensile strength up around 45,000 psi or more..vs those silver bearing solders of 3000-4000 (numbers may be off a bit, its an order of magnitude point).
General | Removing Braze - Practical Machinist
2005年1月24日 · Most welders know that silver brazing metal containing cadmium is very unhealthy (for the welder). Brass brazing metal is not as bad, but is still dangerous because of zinc fumes that can boil off if the joint is too hot. There are plenty of safe cadmium-free silver brazing alloys available, and they bond easily to steel, cast iron, stainless ...
silver brazing carbide?? what supplies?? - Practical Machinist
2005年11月16日 · Trimetal Brazing Strips For brazing carbide tool inserts and aluminum-bronze to steel. These trimetal strips contain a shock absorbing copper core with a nickel-bearing silver alloy on each side. Furnished in 5-oz. strips measuring 0.015" x 1" x 68". Due to the market price of silver, our prices may fluctuate.
General | Fixturing for silver brazing - Practical Machinist
2018年12月12日 · You might also consider brazing preforms or flat “silver shim sheet” which can be placed wherever you want prior to striking the torch. If you’re going to preheat seaprately, use powdered flux and not liquid, or else the water present in the liquid flux will vaporize upon contact to the pre-heated block and make the torch operation fairly ...
Silver solder, best brand/alloy for carbide to steel? - Practical …
2007年11月19日 · JMM's easy flo 2 has never let me down in over 45 years and is a doddle to use Easy-flo™ 2 Cadmium Bearing Silver Brazing Filler Metal Rod jmmjpt-10842101 - Nexus Modelling Supplies And yes I know it's got cadmium in it!
General | Silver soldering cast iron - Practical Machinist
2004年4月1日 · I broke the cast iron part with a rubber mallet by accident. After doing a lot of reading, I bought Superior #601 silver brazing paste flux and Harris Safety-Silv 45 45% silver brazing alloy, 1/16" dia. One of the pictures shows the part horizontally and it …