Rico Jinfei Wheels Electrical Engineer Interview Questions, Process, and Tips

Z-axis in HMC refers to the vertical axis of the machine.

• Z-axis is perpendicular to the X and Y axes in a 3-axis machine

• It controls the up and down movement of the cutting tool

• In HMC (Horizontal Machining Center), the Z-axis is typically parallel to the workpiece

• Z-axis movement is crucial for achieving precision and accuracy in machining operations

A PLC ladder program for star delta connection

• Create a new ladder program in the PLC software

• Define the inputs and outputs for the program

• Write the ladder logic for the star delta connection

• Test the program to ensure proper functionality

A connection diagram for a hydraulic cylinder is a schematic representation of the hydraulic system.

• Identify the hydraulic cylinder and its components

• Determine the type of hydraulic system being used

• Draw the hydraulic circuit diagram

• Label the components and connections

• Include any necessary valves or pumps

• Ensure the diagram follows industry standards and regulations

A principal diagram for SMPS is a schematic representation of the components and connections in a Switched Mode Power Supply.

• The diagram should include the input and output connections, the transformer, the rectifier, the filter capacitor, the switching transistor, and the feedback circuit.

• The input voltage is rectified and filtered to provide a DC voltage that is switched on and off by the transistor to produce a high...read more