1. Required equipmentA set of manual electric welding equipment, a handle angle grinder, an electric hammer, and a plane ruler.2. Preparation before welding1. Check and debug the equipment to ensure the normal operation of the equipment; 2. It is best to dry the φ4.0J402 electrode at 300℃-350℃ for o

What is the use of flanges?The flange is used for positioning. For example, there is an installation method of the oil cylinder called flange installation, that is, for example, four symmetrical holes are punched around a cuboid. There is a large hole in the middle and the outer diameter of the cyli