Tool Design Trainee Interview Questions and Answers

Bridge and Margin Size in Striplayout Calculation determine the spacing between pieces and the edge distance, while Pitch and Number of Pieces cut determine the length of sheet required.

• Bridge Size is the distance between two adjacent pieces on a sheet

• Margin Size is the distance between the edge of the sheet and the first piece

• Pitch is the distance between the same points on two consecutive pieces

• Number of Pieces cut determines how many pieces can be cut from a sheet

• Length of...read more

To calculate actual size folding and total length in part design, use formulas based on material thickness and bend angle.

• For calculating actual size folding, use the formula: Actual Size = Material Thickness x Tan(Bend Angle)

• For calculating total length, use the formula: Total Length = (2 x Bend Allowance) + (π x Inside Radius x Bend Angle/180)

• Ensure to convert the bend angle from degrees to radians when using trigonometric functions

• Consider the material properties and tooli...read more

Bending tool plates are typically made of materials like tool steel, aluminum, or composite materials.

• Common materials used for bending tool plates include tool steel, aluminum, and composite materials.

• Tool steel plates are preferred for their durability and resistance to wear during the bending process.

• Aluminum plates are lightweight and can be used for bending softer materials.

• Composite materials offer a balance of strength and weight, making them suitable for certain bendi...read more

Press tools are used to perform operations such as cutting, bending, punching, and forming on sheet metal.

• Cutting operations to cut the sheet metal into desired shapes

• Bending operations to bend the sheet metal at specific angles

• Punching operations to create holes or indentations in the sheet metal

• Forming operations to shape the sheet metal into complex geometries

• Examples: blanking, piercing, embossing, coining

Control frame box is a device used in tool design to hold and position workpieces during machining operations.

• It is a fixture used to secure and position workpieces during machining

• It helps to ensure accuracy and consistency in the machining process

• Control frame boxes can be customized to fit specific workpieces and machining operations

• They are commonly used in industries such as aerospace and automotive

• Examples include drilling jigs, milling fixtures, and assembly fixtures