SKH Metals Production Engineer Interview Questions and Answers for Experienced

TIG welding uses a tungsten electrode to create a precise and clean weld, while MIG welding uses a consumable wire electrode and shielding gas.

• TIG welding is slower but produces higher quality welds with less spatter and distortion.

• MIG welding is faster and better suited for thicker materials and high-volume production.

• TIG welding requires more skill and experience, while MIG welding is easier to learn and use.

• TIG weld...read more

Five major losses in industrial work are downtime, defects, inefficiency, waiting, and overproduction.

• Downtime: Refers to the time when production is halted due to equipment breakdown, maintenance, or other issues.

• Defects: Occur when products do not meet quality standards and need to be reworked or discarded.

• Inefficiency: Waste of resources, such as excessive energy consumption or poor utilization of manpower.

• Waiting: ...read more

A CNC machine is a computer-controlled machine tool used for precision machining.

• CNC stands for Computer Numerical Control.

• It uses pre-programmed instructions to control the movement of the machine.

• CNC machines are widely used in manufacturing industries for tasks like cutting, drilling, milling, and turning.

• They offer high precision, repeatability, and automation.

• Examples of CNC machines include CNC mills, lathes, rou

The electrode used in MIG welding is a consumable wire electrode.

• MIG welding stands for Metal Inert Gas welding.

• The electrode is continuously fed through a welding gun and melts to form the weld.

• The wire electrode is made of the same material as the base metal being welded.

• The shielding gas used in MIG welding protects the weld from atmospheric contamination.

• Common types of wire electrodes include ER70S-6 for mild stee

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Manual welding is done by a human operator while robotics welding is done by a machine.

• Manual welding requires a skilled operator to control the welding process while robotics welding is automated.

• Robotics welding is faster and more precise than manual welding.

• Manual welding is more flexible and can be used in a wider range of applications while robotics welding is best suited for high-volume production.

• Robotics weldin...read more

OEE stands for Overall Equipment Effectiveness. It is a measure of how effectively a manufacturing operation is utilized.

• OEE is calculated by multiplying Availability, Performance, and Quality.

• Availability measures the percentage of time the equipment is available for production.

• Performance measures the speed at which the equipment runs compared to its maximum speed.

• Quality measures the percentage of good quality produ...read more

Just in time line refers to a production strategy where materials are delivered just in time for production.

• It is a lean manufacturing approach

• It aims to reduce inventory costs and waste

• It requires close coordination between suppliers and manufacturers

• Examples include Toyota's production system and Dell's supply chain management