Understanding Anti-Spatter
Today’s topic is Anti-Spatter Spray. Most spatter issues can be resolved by having a correct set up of your MIG welder. There are two procedures that anti-spatter is commonly used for. 1. Coating on work piece or on fixture 2. Coating nozzles Most times when you hear...
Flap Discs
Today we look at the differences between Type 27 and Type 29 Flap Discs and Type 1 and Type 27 Cut Off Wheels What is the difference between a Type 27 and a Type 29 Flap Disc? A Type 27 flap disc is referred to as a flat disc. It is best used at a 0-15 degree angle....
What is the cause of rusting on Stainless Steel?
Stainless steel is naturally able to resist rusting because of a passivated chromium oxide layer that forms on the surface. The formation of this layer is called passivation. When anything is done to the stainless such as sanding, wire brushing or welding the...
What Do You Need To Know About Cylinder Tracking?
Do you know how many cylinders you have out? Do you know how long you have had them? Are you concerned with the accuracy of your cylinder rental statement? Are you certain that if a cylinder on your account is returned, no matter by whom, that you will get credit?...
Scotch Brite hand pads and Surface Conditioning Discs
Today we look at Scotch Brite hand pads and Surface Conditioning Discs. This information is based on using a good quality product. Some lesser quality products do not follow the same protocol as good quality providers would. When using surface conditioning discs,...
Abrasives and Finishing
Today we start to look into finishing. The number one rule is to start at the desired finish. If the customer wants 4B finish, which is 120-150 grit, why not start by cutting the weld with a 120 flap wheel. Is it going to be slower, yes, but if you can do it in only...
Understanding the ABCs of a Grinding Wheel
What do the letters A-60-SBF mean? A= Aluminum Oxide C= Silicon Carbide Z= Zirconia Alumina The Middle Number is Grit Size 16- 100 The next letter is Hardness grade: N,O,P Soft Q.R.S Medium T,U,V Hard The last two letters are the Bond: B= Resin BF = Resin with...
Abrasive Grit and Materials. What Does it All Mean?
Abrasive Grit Size Abrasive grit size is determined by dropping the grit through a 1 inch by 1 inch screen with the same number of holes that match the grit, so 24 holes equals 24 grit. If the grit gets stopped in that screen then it is 24 grit. Some of the finer...
