Projection Machine refers to that machine which is designed and manufactured by making use of premium grade raw materials and upgraded technology. This machine is a variation of spot welding, the original resistance welding technique. While it may be used to fuse thinner metal parts together, spot welding is more commonly utilized for this. Projection Machine is very easy to install and simple to operate. This machine is very cost-effective and can be easily purchased at nominal pricing. A multi-spot welding procedure is projection welding.