Engeeniring - Lockdown homework

Method on how I marked out my drill gage

1. Use the 300mm steel ruler to measure out how long you want your drill gage to become, then use a scriber to mark it out.

2. Once again, use the steel ruler to measure 10cm at the top of the drill gage. Make sure to mark a line with a scriber.

3. On the line, use the steel ruler to mark the centre of the line, to know where to hammer in the centre punch.

4. Centre punch the centre of the line.

5. Use a divider to round the top of the drill gage. 

6. Lastly use a Engineer’s square to measure

The purpose of each tool

1. Centre punch - The purpose of a centre punch was to make a hole so that you can hang the drill gage wherever you want.

2. Scriber - This is used to mark anything on my project.

3. 300mm steel ruler - The use of the steel ruler is to help me measure the measurements I was ordered to measure.

4. Dividers - The purpose of the divider is to help mark around the top of the drill gage.

After lockdown/covid we will then begin to use the last two tools that we havn't used yet which is a Vernier calipers, and a Micrometer. I will be explaining what they are used for and how they are used...

Vernier calipers: A vernier scale is a visual aid to take an accurate measurement reading between two graduation markings on a linear scale by using mechanical interpolation, thereby increasing resolution and reducing measurement uncertainty by using vernier acuity to reduce human estimation error. 

Micrometer: A micrometer is a device incorporating a calibrated screw widely used for accurate measurement of components in mechanical engineering and machining as well as most mechanical trades, along with other meteorological instruments such as dial, vernier, and digital calipers.