Copper Tubing Experiment

o Bending Copper Tubing

I used many tools and instruments to bent the copper tubing. However, I frequently used a tool called lever type tube bender a to avoid flattening and wrinkling. The following picture illustrates the lever type tube bender that I used to bend the copper tubing: How did I perform this activity?

First I was given a long picie of AC&R tubing and I had to make a 90 degree bend. Firstly, I raised the form handle to give a chance for the tubing to get in and then engage the tube clamp. Later, I pulled the handle steadily and slowly untill the “zero mark” is opposite to the 90 degrees mark that it placed on the form wheel. I repeated this activity many times, sometimes I bent ½” AC&R tubing and sometimes I bent other

It consists of an oxygen cylinder , and a an acetylene cylinder, and pressure regulators, hoses, torch, and a welding tip. I attended a three-day course in my training period just to identify the oxyacetylene station parts, names, and functions and of course a safety course. After finishing the course and before using the oxyacetylene station, I was the responsible trainee to bring some pressure regulators from the warehouse, with the help of an experienced employee. We also brought a new welding torch.

Now I’m going to tell you how I set the oxyacetylene station in our department. After I was given the proper instructions , I starting setting the oxyacetylene station. I aimed the nozzle of the cylinder toward the wall so in case it blows , it doesn’t blow toward any human. I attached the regulators. And attached the hose to it. Went to the end of the hose and attached the torch. I backed off the regulator screws until the screws turn in a free manner. I made sure that the torch valves are turned off. After that, I opened half of the acetylene cylinder valve and opened all of the oxygen valve. Afterwards, I fully opened the torch valve . I than purged the oxygen line and turned the adjustment screw on the regulator clockwise. I also adjusted the regulator screw until there is a gap between the tip and the flame. Next, I opened the oxygen valve a full turn and turned the adjustment screw until the flame looks like is mixed between the oxygen and the acetylene. I continued to change the screw until the acetylene disappears to the end of the cone. After this, I opened the torch valve of the oxygen more and more to make the cone