Precision casting production tray, basket, stents and other heat treatment equipment, can appear sometimes casting defects such as surface crack, some tiny crack can repair by welding repair defects:Cold cold welder welding machine is born at the beginning of the 21st century new repair technology, heat is generated due to the welding repair process, known as cold welding machine.After several years of development, welding technology direction and got great development, has been in the repair of a large market share.According to the repair product categories are: placement machine and electric spark surfacing welding repair machine.
-walled weld repairs, easy to produce thermal deformation.Operating higher technical requirements.