PARI ROBOTICS Quaity Control Engineer Interview Questions and Answers

Geometric Dimensioning and Tolerancing (GD&T) symbols are used to define the geometry of parts and assemblies in engineering drawings.

• GD&T symbols include position, concentricity, symmetry, perpendicularity, parallelism, flatness, circularity, cylindricity, profile of a line, profile of a surface, etc.

• Each symbol has a specific meaning and is used to communicate the required tolerances for manufacturing and inspection ...read more

Solid design involves creating 3D models with volume, while sheetmetal design focuses on creating 2D models that can be bent or formed into 3D shapes.

• Solid design is used for creating objects with volume and complex shapes.

• Sheetmetal design is used for creating objects that can be easily bent or formed, typically used in manufacturing processes like metal fabrication.

• Solid design often involves features like fillets, c...read more

Sheetmetal is a type of metal formed into thin and flat pieces, commonly used in manufacturing for various applications.

• Sheetmetal is typically made from materials like aluminum, steel, or copper.

• It is commonly used in industries such as automotive, aerospace, and construction.

• Sheetmetal can be cut, bent, and formed into various shapes and sizes using tools like shears, brakes, and presses.

Sheetmetal operation involves cutting, bending, and forming sheet metal to create various components.

• Cutting: Using tools like shears, lasers, or plasma cutters to cut sheet metal into desired shapes.

• Bending: Using press brakes to bend sheet metal at specific angles.

• Forming: Using techniques like deep drawing or roll forming to shape sheet metal into complex geometries.

Calculations for selecting components like pneumatic cylinders, bearings, gears, hydraulics, and lm guides involve considering load requirements, operating conditions, and safety factors.

• Determine the load requirements for each component based on the application

• Consider the operating conditions such as speed, temperature, and environment

• Calculate the safety factors to ensure the components can withstand unexpected load...read more

Materials selection is based on factors like mechanical properties, cost, availability, and environmental impact.

• Consider the mechanical properties required for the application (e.g. strength, stiffness, toughness)

• Evaluate the cost of materials and compare it to the budget for the project

• Assess the availability of materials in the required quantity and timeframe

• Take into account the environmental impact of the material

The current unit refers to the standard unit of measurement being used in a particular context.

• The current unit can vary depending on the field or industry, such as inches in construction or Celsius in weather forecasting.

• It is important to clarify the current unit to ensure accurate communication and data analysis.

• Examples of current units include meters for length, kilograms for weight, and seconds for time.

The resistance unit is the ohm (Ω), which measures the opposition to the flow of electric current.

• The resistance unit is measured in ohms (Ω)

• It represents the opposition to the flow of electric current

• Resistance can be calculated using Ohm's Law: R = V/I, where R is resistance, V is voltage, and I is current