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Using Automatic Ultrasonic Welding Machine HVAC jobs as a Repair Method

On HVAC jobs, the big payday is when you get to replace an entire system. There are lots of simple fixes –some temporary and some permanent –that can be used to save customers a whole lot of money. One of these is the use of Automatic Welding Machine.
HVAC techs learn a lot about soldering; one of the first things is that copper pipe cannot be soldered with water still in the pipe. The pipe needs to be drained, closed and dried before any repairs can start. Sometimes this causes problems because if there are multiple leaks in a water cooling system, water may continue to flow down as you attempt to repair the pipe.
Fortunately, there are some ways you can solve this situation. One of them is called the bread trick. Stuff some white bread without the crust into the pipe just above the area you need to solder. This will only work for very slow leaks. It is effective because the bread will swell as it absorbs water, and will dissolve once water pressure is restored. However, You may need to take out the strainers along the system.
The use of pipe freezing machines is a more technical method which HVAC workers use. This method freezes the pipe and its contents so that it can be cut. This is a much more expensive method and it requires the use of highly specific equipment. However, It works perfectly, unlike the bread method. Be careful that you only freeze the area you need to work on. Freezing the entire pipe may cause it to burst.
Denver air conditioning technicians utilize a different technology known as brazing when working on pipes that contain coolant. Brazing makes use of oxyacetylene for refrigeration. Use silver soldering instead of lead. Copper binds chemically with Silver to produce a leak free joint. Oxyacetylene torches are used for heating the entire pipe up to temperatures above 5000 degrees Fahrenheit. Of course, This means you need to make use of the proper safety equipment required for these sorts of torches such as a welding mask to save your eyesight.
You need to clean the pipe to properly braze. It should be solid once it sets. The outer and inner joints need flux to be applied before heat. The torch should not be used to heat the solder. Rather, heat the pipe evenly so that the solder makes a uniform fit. For a tight fit, use just enough solder. Too much solder could break up and foul up equipment. As a final step, perform a pressure test. Apply soap to the exterior of the pipe and observe for bubbles which indicate an improper seal. Any drop indicates a leak once pressure is applied.
An alternative to welding is the use of screws by means of automatic screw locking machine with automatic screw feeder.
Without a doubt, a Weller soldering station is one of the machines most favored for soldering the joins which exist in between electronic components of an electrical piece of equipment or for the welding of two wire cables in your electronic handiwork.
For more info about the automatic screw locking machine and automatic welding machine,please kindly contact us as below:
Contact:
Person: James Yuan
Company: Huizhou Shengyang Industrial Co., Ltd
Add:  5th Floor,D Building,Jintaiyang Industrial Zone,Xingye Road,Zhongkai District,Huizhou,Guangdong,China
Tel: 86-752-6682869
Mobile:+86-13352636504
Email: info@automaticchina.com
Site: https://www.automaticchina.com/product-category/automatic-welding-machine/

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