Varroc Group Manager new Product Development Interview Questions and Answers

APQP is a structured process for developing new products or processes.

• Plan and define the program scope

• Design and develop the product or process

• Validate the product or process

• Launch the product or process

• Monitor and improve the product or process

• Use tools like FMEA, PPAP, and Control Plans

• Collaborate with cross-functional teams

• Ensure compliance with industry standards and regulations

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...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 product...read more

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 ...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 ...read more

Disc brakes are a type of braking system that uses calipers to squeeze brake pads against a rotor to slow or stop a vehicle.

• Disc brakes offer better performance and heat dissipation compared to traditional drum brakes.

• They are commonly used in high-performance vehicles and motorcycles.

• Development of disc brakes has led to advancements such as anti-lock braking systems (ABS) and electronic brake-force distribution (EBD)

A good silencer can be made by using materials that absorb and dissipate sound waves effectively.

• Use materials with high sound absorption properties, such as fiberglass or foam

• Design the silencer with baffles or chambers to redirect and dissipate sound waves

• Ensure a tight fit and proper installation to prevent sound leakage

• Consider the shape and size of the silencer to optimize noise reduction

• Test the silencer in diffe