In order to study the failure of the axial cooling fan of the auxiliary converter in a maglev train, a failure analysis and optimization design method based on the field test, finite element …
The importance of active control of the drilling burr was emphasized by the views of lean production, and the connotation of three principles for less burr-free cutting was further …
The rotary part with wind blades is the core component of small axial flow fans, and its balance index is the key technology of the whole machine, so it must be guaranteed by …