Mechanical Measurement

Mechanical measuring instruments and accessories are tools designed to precisely measure physical dimensions, angles, and other parameters of objects. They are essential in various industries, including manufacturing, construction, and research, to ensure the quality and accuracy of products and structures.

Definition:
Mechanical measuring instruments are devices that use mechanical principles to determine the size, shape, or position of objects. They often involve physical contact with the object being measured and may include vernier calipers, micrometers, dial indicators, and protractors.

Functions:
1. Dimension Measurement: Instruments like calipers and micrometers measure the length, width, and depth of objects.
2. Angle Measurement: Protractors and angle gauges determine the angular relationships between surfaces.
3. Position Verification: Dial indicators and level instruments are used to check the alignment and positioning of components.
4. Surface Inspection: Tools like surface plates and straight edges help assess the flatness and straightness of surfaces.

Applications:
1. Manufacturing: To ensure parts meet design specifications and tolerances.
2. Quality Control: For inspecting products for conformity to standards.
3. Construction: To verify the accuracy of building elements and structures.
4. Research and Development: For precise measurements in scientific experiments and prototypes.

Selection Criteria:
1. Accuracy: The instrument's ability to provide precise measurements within specified tolerances.
2. Resolution: The smallest increment the instrument can detect, which affects its sensitivity.
3. Range: The span of measurements the instrument can handle.
4. Durability: The instrument's resistance to wear and tear, ensuring long-term reliability.
5. Ease of Use: The simplicity of operation and readability of the measurement.
6. Material Compatibility: The instrument's ability to measure different materials without damage.
7. Environmental Resistance: The instrument's ability to function in various temperature, humidity, and dust conditions.

When selecting mechanical measuring instruments and accessories, it is crucial to consider the specific requirements of the task at hand, including the type of measurement needed, the required accuracy, and the environmental conditions in which the instrument will be used.
Please refer to the product rule book for details.