new Product Development Engineer

new Product Development Engineer Interview Questions and Answers for Freshers

Updated 14 Nov 2023

Q1. What is shrink and shrinkage, what is 2plate and 3plate mold

Ans.

Shrink is the reduction in size of a plastic part during cooling, while shrinkage refers to the percentage of size reduction. 2plate and 3plate molds are types of injection molds used in plastic part manufacturing.

  • Shrink is caused by the cooling and solidification of the plastic material.

  • Shrinkage is expressed as a percentage and is calculated by comparing the dimensions of the molded part to the dimensions of the mold.

  • 2plate molds consist of two plates that separate to eject...read more

Q2. What is shrinkage value of material

Ans.

Shrinkage value of a material refers to the amount by which the material contracts or shrinks during the cooling process after being molded or formed.

  • Shrinkage value is typically expressed as a percentage of the original size of the material.

  • It is an important factor to consider in manufacturing processes, especially in injection molding and casting.

  • Different materials have different shrinkage values, so it is crucial to account for this when designing molds or parts.

  • For exam...read more

Q3. What is the PPAP Submission level

Ans.

PPAP Submission level is a process of ensuring that the supplier's production process meets the customer's requirements.

  • PPAP stands for Production Part Approval Process

  • It is a standardized process used in the automotive industry

  • PPAP submission level is the level of documentation required for a supplier to demonstrate that their production process is capable of meeting the customer's requirements

  • There are five levels of PPAP submission, with level 1 being the least stringent a...read more

Q4. What is injectedmolding

Ans.

Injection molding is a manufacturing process used to produce parts by injecting molten material into a mold.

  • It is a widely used manufacturing process in various industries.

  • The molten material is typically a thermoplastic or thermosetting polymer.

  • The material is injected into a mold cavity under high pressure.

  • Once cooled and solidified, the mold is opened, and the part is ejected.

  • Injection molding allows for the production of complex and precise parts with high efficiency.

  • Exam...read more

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Q5. What is the phase of APQP

Ans.

APQP has five phases: Planning, Design and Development, Process Design and Development, Product and Process Validation, and Launch, Assessment and Feedback.

  • APQP stands for Advanced Product Quality Planning

  • The Planning phase involves defining the project scope, identifying customer needs, and creating a project plan

  • The Design and Development phase involves creating product and process designs, and conducting risk assessments

  • The Process Design and Development phase involves dev...read more

Q6. What is APQP and PPAP

Ans.

APQP and PPAP are quality management systems used in product development.

  • APQP stands for Advanced Product Quality Planning and is a framework used to develop new products with a focus on quality.

  • PPAP stands for Production Part Approval Process and is a set of guidelines used to ensure that suppliers provide parts that meet the required specifications.

  • APQP and PPAP are commonly used in the automotive industry, but can be applied to any industry that requires quality management...read more

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Q7. What is mold temp

Ans.

Mold temp refers to the temperature of the mold used in the injection molding process.

  • Mold temp is a critical factor in determining the quality and properties of the final product.

  • It affects the cooling rate of the molten material inside the mold.

  • Maintaining proper mold temp helps in achieving consistent part dimensions and minimizing defects.

  • Examples: High mold temp can lead to longer cooling times but better surface finish, while low mold temp can cause warping or sink mark...read more

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