Sintex-bapl Design Engineer Interview Questions and Answers

A split core cavity is necessary for creating 3D designs.

• Split core cavity allows for easier removal of the final product from the mold.

• It also allows for more complex designs to be created.

• Examples include intricate jewelry designs and detailed automotive parts.

• Split core cavity can be achieved through various methods such as using sliders or lifters.

• It is important to consider the material being used and the desired

Shrinkage of plastics is a common issue in injection molding.

• Shrinkage occurs when the plastic cools and solidifies, causing it to contract.

• Factors affecting shrinkage include material type, mold design, and processing conditions.

• Compensating for shrinkage can be done by adjusting the mold or adding more material.

• Examples of plastics prone to shrinkage include ABS, polycarbonate, and nylon.

Common problems in injection molding machines include overheating, warping, and flash. These can be controlled through proper maintenance and monitoring.

• Overheating can be caused by a malfunctioning cooling system or excessive cycle times. Regular maintenance and monitoring of temperature settings can help control this issue.

• Warping occurs when the molded part cools unevenly, leading to distortion. Proper mold design, ...read more

Volve is a type of valve used to control the flow of fluids in a system.

• Volve functions by opening and closing to allow or restrict the flow of fluids.

• Major problems with volve include leakage, blockage, and malfunctioning due to wear and tear.

• Examples of volve include ball valves, gate valves, and butterfly valves.

Type moulds are used in casting processes to create cavities in the sand mold for pouring molten metal.

• Type moulds are used in foundries for creating complex shapes in metal casting.

• They are typically made of metal or other materials like ceramic.

• Type moulds are used in processes like investment casting and die casting.

• They are designed to be reusable for multiple casting cycles.

A fees system is a method of collecting payments for goods or services provided.

• A fees system can be used in various industries such as education, healthcare, and finance.

• It typically involves setting prices for products or services and collecting payments from customers.

• Fees systems can be structured in different ways, such as one-time payments, subscription fees, or usage-based fees.

• Examples of fees systems include t...read more