new Product Development Engineer Interview Questions and Answers for Freshers

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

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

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

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

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