Schindler Interview Questions, Process, and Tips

Low carbon steel has the lowest carbon content, medium carbon steel has a moderate carbon content, and high carbon steel has the highest carbon content.

• Low carbon steel contains less than 0.25% carbon.

• Medium carbon steel contains 0.25% to 0.60% carbon.

• High carbon steel contains more than 0.60% carbon.

• Low carbon steel is easily weldable and has good ductility.

• Medium carbon steel is stronger and harder than low carbon st...read more

T guide rails for elevators are typically manufactured using extrusion or roll forming methods.

• Extrusion involves pushing a heated metal billet through a die to create the desired shape.

• Roll forming involves passing a metal strip through a series of rollers to gradually form the shape.

• The manufacturing method used may depend on factors such as the desired material, tolerances, and production volume.

• Quality control meas...read more

Press Tool / Punch / Die is a tool used in manufacturing to cut, shape, or form materials.

• Press Tool / Punch / Die is used in metalworking, woodworking, and plastics manufacturing.

• The capacity of a Press Tool is calculated based on the tonnage of the press and the material being worked on.

• The tonnage required for a Press Tool can be calculated using the formula: Tonnage = (Material Thickness x Material Strength) / (Die

Welding gases are used to protect the weld area from atmospheric gases and to provide heat for welding.

• Common welding gases include argon, helium, carbon dioxide, and oxygen.

• Argon is used for TIG welding, while helium is used for welding aluminum.

• Carbon dioxide is used for MIG welding, and oxygen is used for cutting and welding.

• Gas mixtures like argon and carbon dioxide are also used for welding.

• The choice of welding g...read more

TIG welding is commonly used for SS material due to its precision and clean finish.

• TIG welding is a popular method for SS material due to its ability to produce high-quality welds with minimal distortion.

• It uses a tungsten electrode to create an arc that melts the metal and filler material, which is then cooled to form a strong bond.

• Other welding methods like MIG and Stick welding can also be used for SS material, but ...read more