Ahresty India CNC Machinist Interview Questions, Process, and Tips

The first angle symbol is a triangle with one corner pointing upwards.

• The symbol is used in engineering drawings to indicate the orientation of a part or feature.

• It is also known as the 'European' or 'ISO' symbol.

• The symbol is drawn with a solid line for visible edges and a dashed line for hidden edges.

• Example: ▲

Types of fit refer to the degree of tightness or looseness between two mating parts.

• Clearance fit: parts are intended to have a gap between them

• Interference fit: parts are intended to be pressed or forced together

• Transition fit: parts have a combination of clearance and interference fit

• Examples include press fit, slip fit, and force fit

M6 drill size refers to the diameter of the drill bit used for making holes with a metric thread size of 6mm.

• M6 drill size is commonly used in manufacturing and engineering industries.

• The diameter of the drill bit for M6 size is approximately 5.2mm.

• M6 drill size is used for creating holes in materials such as metal, plastic, and wood.

• It is important to use the correct drill size to ensure the hole is the correct size a

There are many types of steel, including carbon steel, alloy steel, stainless steel, and tool steel.

• Carbon steel is the most common type and is used in construction and manufacturing.

• Alloy steel contains additional elements like nickel or chromium to improve strength and durability.

• Stainless steel is corrosion-resistant and often used in kitchen appliances and medical equipment.

• Tool steel is used for making tools and d...read more

Gravity die casting is a casting process where molten metal is poured into a permanent metal mould under the force of gravity.

• Also known as permanent mould casting

• Used for producing high-quality, consistent parts

• Moulds are typically made of steel or cast iron

• Commonly used for casting aluminum and copper alloys