Yanfeng Automotive Interiors Interview Questions and Answers

Parameters for material planning include demand forecasting, lead time, inventory levels, and production capacity.

• Demand forecasting helps determine the quantity and timing of materials needed.

• Lead time refers to the time it takes for materials to be delivered after placing an order.

• Inventory levels need to be monitored and managed to ensure sufficient stock without excessive holding costs.

• Production capacity determine...read more

Fade system is a method used in injection molding to gradually reduce the pressure and speed of the injection process. Core and cavity are the two halves of a mold used in injection molding. To plate mold is a type of mold where a metal plate is used to create the mold cavity. Pitch diameter of a bolt is the diameter of an imaginary cylinder that passes through the threads of the bolt.

• Fade system is used in injection m...read more

A single cavity mould is a type of mould that only produces one part per cycle.

• Single cavity moulds are used for low volume production.

• They are simpler and cheaper compared to multi-cavity moulds.

• Examples include prototype moulds and custom moulds for unique parts.

Jigs are used to guide cutting tools and fixtures hold the workpiece in place during machining operations.

• Jigs are used to guide cutting tools, while fixtures hold the workpiece in place

• Jigs are used for drilling, reaming, and tapping operations, while fixtures are used for milling, grinding, and turning operations

• Jigs are more complex and expensive than fixtures

• Jigs are often used for mass production, while fixtures a...read more

The nominal diameter of a bolt refers to the size of the bolt shaft, excluding the threads.

• Nominal diameter is the diameter of the bolt shaft, not including the threads

• It is typically measured in millimeters or inches

• For example, a bolt with a nominal diameter of 10mm has a shaft diameter of 10mm

Waste in production department refers to any activity that does not add value to the final product.

• Overproduction - producing more than needed

• Waiting - idle time between production steps

• Defects - errors that require rework

• Transportation - unnecessary movement of materials

• Inventory - excess raw materials or finished goods

• Motion - unnecessary movement of workers

• Overprocessing - using more resources than necessary