Comau Senior Engineer Mechanical Interview Questions and Answers

Q1. Geometry Dimensions & Tolerances
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Q1. Package discussion
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Q1. To find hardness materials in UTMBy applying loads
Ans. 
Hardness of materials can be found in UTM by applying loads.
• Universal Testing Machine (UTM) is used to measure the hardness of materials.

• The load is applied to the material and the depth of the indentation is measured.

• The hardness value is calculated using the load and the area of the indentation.

• Different types of tests can be performed to measure hardness, such as Brinell, Vickers, and Rockwell tests.
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Easy but took time questions were direct as well as indirect

Q1. Introduce your self
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Q2. Showcase your skills
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Q1. Asking about manufacturing process.
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Q2. Plastic mold sheet metal manufacturing
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Q3. Cost and estimation how to calculate
Ans. 
Cost and estimation are calculated by analyzing project requirements, materials, labor, and overhead costs.
• Determine project requirements and scope

• Identify necessary materials and their costs

• Estimate labor costs based on project timeline and required skillset

• Calculate overhead costs such as rent, utilities, and insurance

• Consider any potential risks or unforeseen expenses

• Use software tools such as Excel or specialized c...read more
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Q4. How to calculate cycle time for cnc machining
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Cycle time for CNC machining can be calculated using the formula: cycle time = (total cutting time + tool change time + setup time + inspection time) / total parts
• Total cutting time is the time taken to complete the machining process for one part

• Tool change time is the time taken to change the tool between different operations

• Setup time is the time taken to set up the machine for the machining process

• Inspection time is...read more
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Q1. What is sheet metal ?
Ans. 
Sheet metal is a thin and flat metal that can be easily bent and cut into various shapes.
• Sheet metal is commonly used in the manufacturing of various products such as automobile parts, household appliances, and HVAC systems.

• It is typically made of materials such as steel, aluminum, or copper.

• Sheet metal can be cut and shaped using various tools such as shears, punches, and lasers.

• It is often used in construction for ro...read more
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Q2. What is bend radius ?
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Bend radius is the minimum radius a pipe, cable, or wire can be bent without damaging it.
• It is important to consider bend radius when designing mechanical systems to prevent damage to components.

• Bend radius is typically specified by the manufacturer of the material being bent.

• If the bend radius is too small, it can cause the material to crack or break.

• Examples of materials that have bend radius specifications include p...read more
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