ZF Steering Gear Senior Engineer Tool Room Interview Questions and Answers

Correct thinning and crack in online can be achieved through proper inspection and repair techniques.

• Thinning and cracks in online can be corrected by identifying the root cause of the issue.

• Thinning can be addressed by applying appropriate coatings or welding techniques to restore the thickness of the material.

• Cracks can be repaired by using techniques like welding, brazing, or applying epoxy resins.

• Regular inspection...read more

The clearance between punch and die button refers to the gap or space between the punch and the die button in a tooling setup.

• The clearance is necessary to ensure proper functioning of the tooling system.

• It allows for the material to flow smoothly and prevents binding or sticking.

• The clearance can vary depending on the material being worked with and the specific application.

• It is typically measured in terms of percenta...read more

Hardness in die steel is determined by its composition and heat treatment process.

• Hardness in die steel is primarily influenced by the amount and type of alloying elements present in the steel.

• Higher carbon content generally results in increased hardness.

• Heat treatment processes like quenching and tempering can further enhance the hardness of die steel.

• Different types of die steels have different hardness levels, such ...read more

Different types of arc welding rods used for die steel.

• E7018 electrode is commonly used for welding die steel.

• E312 electrode is used for welding stainless die steel.

• E309 electrode is used for welding high alloy die steel.

• E6010 electrode can be used for welding mild steel dies.