20+ Roop Automotives Interview Questions and Answers

Micrometer and vernier caliper are both precision measuring instruments, but they differ in their design and usage.

• Micrometer is used for measuring small dimensions with high accuracy, typically in the range of 0.001mm to 25mm.

• Vernier caliper is used for measuring larger dimensions with good accuracy, typically in the range of 0.02mm to 1500mm.

• Micrometer has a spindle and anvil mechanism, where the spindle moves towards the anvil to measure the dimension.

• Vernier caliper has a...read more

The least count of a digital vernier caliper is the smallest measurement that can be accurately read.

• The least count is determined by the number of divisions on the main scale and the number of divisions on the vernier scale.

• It is usually expressed in millimeters or inches.

• For example, if the main scale has divisions of 1 mm and the vernier scale has 10 divisions, the least count would be 0.1 mm.

• The least count indicates the precision and accuracy of the caliper in measuring ...read more

To understand customer needs, we can use surveys, feedback, and data analysis. To reduce rejection and rework, we can implement quality control measures and continuous improvement processes.

• Conduct surveys and gather feedback from customers to understand their needs and expectations

• Analyze data on customer complaints and product defects to identify areas for improvement

• Implement quality control measures such as inspections and testing to catch defects before they reach the cu...read more

The principle of micrometre is to measure small distances or thicknesses with high precision.

• Micrometre is a measuring instrument used to measure dimensions in micrometers (µm).

• It consists of a stationary anvil and a movable spindle that can be adjusted to measure the distance between them.

• The micrometre scale is typically graduated in increments of 0.01 mm or 0.001 mm.

• To measure an object, the spindle is brought into contact with one surface while the anvil is in contact wit...read more

GD&T is a system for defining and communicating engineering tolerances on technical drawings.

• GD&T is a symbolic language used to specify the form, orientation, and location of features on a part.

• It allows engineers to clearly communicate design requirements to manufacturers.

• GD&T uses symbols such as concentricity, perpendicularity, flatness, and position to define tolerances.

• It helps ensure parts are manufactured accurately and consistently.

• GD&T can improve product quality, r...read more

The 7Q schedule is a quality management tool used to identify and address potential problems in a systematic manner.

• The 7Q schedule consists of seven steps that help in identifying and resolving quality issues.

• Each step focuses on a specific aspect of quality management, such as process analysis, root cause identification, and corrective actions.

• The schedule helps ensure that quality standards are met and maintained throughout the production or inspection process.

• Example: Ste...read more

Manpower can be effectively handled by proper planning, communication, training, and motivation.

• Develop a clear organizational structure and job roles

• Communicate effectively with the team to ensure understanding of goals and expectations

• Provide necessary training and resources for skill development

• Motivate and reward employees for their hard work and achievements

• Regularly evaluate performance and provide feedback for improvement

I manage and communicate with customers through regular meetings, emails, phone calls, and surveys.

• Regular meetings to discuss their needs and concerns

• Email communication for updates and information sharing

• Phone calls for immediate assistance or urgent matters

• Surveys to gather feedback and improve customer satisfaction

QA (Quality Assurance) and QC (Quality Control) are two processes that ensure the quality of a product or service.

• QA focuses on preventing defects and ensuring that the product meets the required standards.

• QC focuses on identifying defects and correcting them before the product is released.

• QA is a proactive process while QC is a reactive process.

• QA involves planning, designing, and implementing quality systems while QC involves testing and inspecting the product.

• Both QA and Q...read more

Lean manufacturing is a systematic approach to minimize waste and maximize value in production processes.

• Lean manufacturing aims to eliminate waste, such as overproduction, waiting time, and defects.

• It focuses on continuous improvement and involves all employees in identifying and solving problems.

• The 7QC tools are a set of quality control tools used in lean manufacturing, including Pareto charts, cause-and-effect diagrams, and control charts.

• Machine efficiency measures how w...read more

To enter offset 15micron in dia less, use the G10 command and specify the offset value.

• Use the G10 command to enter the offset value

• Specify the offset value as 15micron in dia less

• Make sure to save the offset value using the G54-G59 commands

• Verify the offset value using the G54.1-G59.3 commands

ACL stands for Access Control List, which is used to control access to resources by specifying which users or systems are allowed to access them.

• ACLs are commonly used in computer networking to control access to files, directories, and network resources.

• They can be configured to allow or deny specific types of traffic based on criteria such as source IP address, destination IP address, port number, etc.

• ACLs can be applied at various levels, such as on routers, switches, firew...read more

Office 365 is a cloud-based subscription service offered by Microsoft that includes access to various productivity tools and applications.

• Includes applications like Word, Excel, PowerPoint, Outlook, and OneNote

• Allows users to access their files and collaborate with others from anywhere with an internet connection

• Offers features like email hosting, file storage, and video conferencing

• Provides regular updates and security patches to ensure optimal performance

Shaping processes used in gear manufacturing

• Gear hobbing is a process of cutting teeth into a gear using a hobbing machine

• Gear shaping is a process of cutting teeth into a gear using a shaping machine

• Hobbing is faster but shaping produces more accurate gears

• Both processes are commonly used in gear manufacturing

Inserts are used in tooling to provide a cutting edge or shape to the tool.

• Inserts can be made of various materials such as carbide, ceramic, or diamond.

• They can be indexable or non-indexable depending on the tool design.

• Inserts can have different shapes such as square, triangular, or round.

• They can also have different coatings to improve wear resistance or reduce friction.

• Examples of insert tooling include milling cutters, drills, and turning tools.

I have worked with a variety of machines including CNC machines, conveyor systems, and robotic arms.

• CNC machines

• Conveyor systems

• Robotic arms

Planning is the process of setting goals, determining actions to achieve those goals, and allocating resources to accomplish the goals.

• Identify the objectives or goals to be achieved

• Develop a plan of action to reach those goals

• Allocate resources such as manpower, materials, and budget

• Establish timelines and milestones to track progress

• Monitor and adjust the plan as needed

There are typically three types of offset in CNC: tool length, cutter radius, and workpiece origin.

• Tool length offset compensates for the length of the tool.

• Cutter radius offset compensates for the radius of the cutting tool.

• Workpiece origin offset sets the origin point for the CNC machine to begin cutting.

• Other types of offset may include fixture offsets and wear offsets.

Loss time can be reduced by implementing efficient processes and minimizing downtime.

• Implementing preventive maintenance schedules

• Optimizing tooling and equipment setup

• Reducing setup and changeover times

• Minimizing machine breakdowns through regular inspections

• Providing training to operators to improve efficiency

• Using automation to reduce manual labor

• Improving communication and coordination between departments

• Implementing a continuous improvement program

• Encouraging a culture o...read more