ELECTROSTATIC COATING MACHINE AND METHOD OF CLEANING THE SAME

摘要

An electrostatic coating machine (20) has a removable canister (24), and when a coating material bag (2) included in the canister (24) is empty, the bag is replaced with a new canister (24). A coating material in the coating material bag (2) is taken out by a mono pump (35) provided in a pump section (23) of the electrostatic coating machine (20). The mono pump (35) has a helical shaft (36) provided in a coating material feed tube (31). The mono pump (35) is driven by a servomotor through an insulative drive shaft (38). The coating material in the coating material bag (2) is sucked by the rotation of the helical shaft (36), and the sucked coating material is fed to a bell cup (21) through a feed tube (31). Controlling and stopping spraying of the coating material atomized by the bell cup (21) is performed by controlling the rotation of the mono pump (35).