With the continuous expansion of air-conditioning enterprises, some difficulty exists in the training of professional ability for enterprise staff and college students in vocational colleges. Such as inadequate teaching interaction, long training cycle and high cost. Virtual disassemble and assemble technology relies on virtual reality, multimedia, computer information processing and other technologies, which can play a unique role in equipment development, maintenance and later training & teaching. Based on the actual size of the equipment, a three-dimensional model is established. According ...