Datwyler Group Tool Room Engineer Interview Questions and Answers

Q1. Injection and blow molding process
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Q2. Injection mold knowledge
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Q3. Maintenance process and planning
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Q4. Mold making process
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Q5. What is packaging
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Packaging refers to the process of designing, creating, and producing containers or materials used to protect and transport products.
• Packaging can include boxes, bags, bottles, and other types of containers

• It can also involve labeling, branding, and marketing materials

• Packaging serves to protect products during transportation and storage

• It can also provide information about the product and its contents

• Sustainable packa...read more
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Q6. Spares consumption and maintenance
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Previous work experience

Basic logical question

Reasoning ability question

Q1. Machining questions related to GD&T
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Q2. What is positioning tolerance
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Positioning tolerance refers to the allowable deviation from the desired position of an object or component.
• Positioning tolerance is a measure of how much an object or component can deviate from its intended position without affecting its functionality.

• It is typically specified in terms of a maximum allowable distance or angle.

• For example, in manufacturing, positioning tolerance is used to ensure that parts fit togethe...read more
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Q1. Details on quality procedures and tools
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Q1. Instruments related
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Q2. List count of vernier
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The count of vernier refers to the number of vernier scales present in a measurement tool.
• Vernier calipers typically have one vernier scale for measuring length.

• Micrometers may have multiple vernier scales for different units of measurement.

• Counting the number of vernier scales can help determine the precision of the measurement tool.
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Q1. Draw Ball Screw Diagram
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A ball screw is a mechanical linear actuator that translates rotational motion to linear motion.
• Consists of a screw shaft with a ball nut that moves along the threads of the screw

• Ball bearings in the nut reduce friction and allow for smooth motion

• Used in various applications such as CNC machines, robotics, and aerospace industry
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Q2. Draw Spindle Cross Section
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A spindle cross section is a diagram showing the internal structure of a spindle used in machinery.
• Spindle cross section typically shows the arrangement of bearings, shaft, and other components inside the spindle.

• It helps in understanding the functionality and design of the spindle.

• Examples of components shown in a spindle cross section include ball bearings, housing, and lubrication system.
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Q3. Descriotion about project by drawing Machine layout of the same.
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Q1. Different type of bearings and its application.
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Different types of bearings include ball bearings, roller bearings, and plain bearings, each with specific applications.
• Ball bearings are used in applications requiring low friction and high speed, such as in wheels and conveyor belts.

• Roller bearings are suitable for heavy radial loads, like in automotive transmissions and industrial machinery.

• Plain bearings, also known as bushings, are used in applications where lubri...read more
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Q2. Difference between roller and spherical bearings
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Roller bearings have cylindrical rollers while spherical bearings have spherical rollers for increased load capacity and misalignment compensation.
• Roller bearings have cylindrical rollers that distribute load evenly across a larger surface area

• Spherical bearings have spherical rollers that allow for misalignment compensation

• Roller bearings are more suitable for high radial loads while spherical bearings are better for ...read more
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