Use the host cooling fan to modify the welding smoke exhaust fan for 80 yuan

------->>Make a video<<-------
       I have been using my workbench for more than two years, and everything else is satisfactory. However, I have never found a suitable solution to the problem of fume exhaust during welding. , the 220 volt fan I used before has a good smoking effect, but I really can’t stand the noise when the 220 volt fan is turned on. It is too moody when welding. I have always wanted to make another one by myself. The requirements for early planning are 1. Silent, 2. Easy to switch on and off, 3. Universally adjustable, 4. Add a filter or exhaust the smoke to the outside.
       After the renovation, the above requirements have basically been met. The exhaust of smoke to the outside has not been done. If necessary, it is necessary to make a hole in the wall and open the window to pull a pipe out. It is still too troublesome to use even if it is lightweight. There can only be a balance between silence and wind power. The fan of the main unit is 12 volts and its wind power is definitely not comparable to that of 220V. However, after adding a universal adjustment, it can be easily pulled to the appropriate position to exhaust smoke, which can be regarded as compensating for the wind power. shortcomings. There are many types of filters, but they also need to be balanced. If they are effective, they must have high wind resistance. I use the filter cotton used in fish tanks. The effect is average but the wind resistance is small. It is enough for my lightweight use.
What I am most satisfied with about this fan is the universally adjustable bracket. It completely elevates the fan and does not take up any space on the table. When it is put up, it can exhaust the smoke just above the smoke, which is much better than placing it on the table.
The fan is from Patriot. It costs 19.9 yuan https://item.jd.com/100004445117.html.
The 3D printed part is 42 yuan with free shipping. It is in the project attachment below.
Twist switch 2.7 yuan https://item.taobao.com/item.htm?spm=a1z09.2.0.0.79102e8d55uZS8&id=12752159483&_u=28idch6e7b3
Universal bracket 18 yuan https://yipaijiangpin.taobao.com/shop/view_shop. htm?spm=a1z09.2.0.0.79102e8d55uZS8&user_number_id=63944997
spent a total of 82.6 yuan