National Fertilizers Interview Questions and Answers

The layout of a machining part involves determining the optimal arrangement of features and dimensions for efficient and accurate production.

• Consider the size and shape of the part

• Determine the necessary features and dimensions

• Arrange features and dimensions in a logical and efficient manner

• Consider the capabilities of the machining equipment

• Ensure proper tolerances and clearances

• Test and refine the layout as needed

Tapping and drill depth can be checked using depth gauges or depth micrometers.

• Use a depth gauge to measure the depth of a hole or tap by placing the gauge on the surface and lowering the probe into the hole until it touches the bottom.

• For drill depth, use a depth micrometer to measure the distance from the tip of the drill bit to the end of the flutes.

• Ensure the gauge or micrometer is calibrated and zeroed before use.

• Check the specifications for the tapping or drilling opera...read more

Perpendicularity can be checked using various tools and methods.

• Use a square or a right angle to check if the surface is perpendicular to the reference plane.

• Use a dial gauge or a height gauge to measure the deviation from perpendicularity.

• Use a laser alignment tool to check the perpendicularity of a surface or a machine axis.

• Check the perpendicularity of a hole using a cylindrical square or a bore gauge.

• Ensure that the measuring instrument is calibrated and the reference pla...read more

Flatness can be checked using various methods depending on the surface and equipment available.

• Use a straight edge or surface plate to check for gaps between the surface and the straight edge

• Use a feeler gauge to measure the gap between the surface and the straight edge

• Use a laser or optical flat to measure the flatness of a surface

• Check for any visible warping or distortion in the surface

• Compare the surface to a known flat surface using a comparator

• Use a coordinate measuring...read more

Parallelism can be checked using various methods.

• Using a dial indicator to measure the distance between two points on the surface being checked

• Using a straight edge or surface plate to check for gaps between the surface being checked and the straight edge

• Using a laser alignment tool to check for parallelism between two surfaces

• Using a coordinate measuring machine (CMM) to measure the surface and compare it to the CAD model

• Using a profilometer to measure the surface roughness ...read more

Straightness can be checked using various methods such as visual inspection, straight edges, laser alignment tools, and coordinate measuring machines.

• Visual inspection can be done by looking at the object from different angles and checking for any visible bends or curves.

• Straight edges can be used to check the straightness of a surface or edge by placing it against the object and checking for any gaps or light passing through.

• Laser alignment tools can be used to measure the s...read more

The question is about productivity increase methods including machin setting plan, rejection reduction, OEE monitoring, and Kaizen activities.

• Develop a machin setting plan for HMC/VMC to optimize production efficiency.

• Implement CTR activities to reduce cycle time and increase productivity.

• Identify rejection causes and develop an action plan to reduce rejection rate.

• Monitor OEE on a daily basis to identify areas for improvement.

• Implement line balancing methods to optimize prod...read more

Daily monitoring of packing and action plan for production losses.

• Implement a daily checklist for packing monitoring to ensure quality control.

• Analyze production data to identify areas of losses and develop an action plan to address them.

• Train staff on proper packing techniques and provide feedback on performance.

• Regularly review and update the action plan to ensure effectiveness.

• Collaborate with other departments to address systemic issues affecting production losses.