[China Aluminum] In the production of aluminum products, measuring tools are essential instruments used by quality inspectors. If these tools are damaged or not properly maintained, they can lead to inaccurate measurements, which ultimately compromise the quality control process. Therefore, regular maintenance and proper care of measuring instruments are crucial. Below are detailed guidelines for maintaining commonly used aluminum mold inspection tools:
1. Avoid using whetstones or emery cloth on the measuring surfaces or markings of the gauge. Unauthorized personnel must never disassemble, adjust, or repair any measuring tool without proper training or authorization.
2. Store measuring instruments in a clean, dry area free from vibrations, corrosive gases, and extreme temperature fluctuations. Avoid placing them near magnetic fields. Ensure that gauges stored in their cases remain clean and are not mixed with other objects or debris.
3. Never touch the measuring surfaces directly with your hands, as sweat and dirt can cause contamination and corrosion. Keep measuring tools separate from other tools and metal parts to prevent damage.
4. After use, wipe off any dirt, chips, or residue from the measuring instrument and loosen the locking mechanism. If the tool is not going to be used for more than a month, apply a thin layer of anti-rust oil to the measuring surfaces. Always store the gauge in its protective case and ensure it is only handled by trained professionals. Maintain records of annual calibration by authorized testing agencies.
5. Do not use the tip of the caliper's jaws as a stylus or compass. Avoid twisting the jaws or using the gauge as a makeshift clamp.
6. Before measurement, always remove any burrs from the workpiece surface. Burrs can cause wear on the measuring tool and affect the accuracy of the readings.
Maintenance tips for common aluminum factory measuring tools include:
1. Dial Gauges and Dial Indicators for Aluminum Mills
1.1 Clean the dial gauge and rod before use.
1.2 Compress the probe slightly before use to ensure the pointer moves at least one-sixth of a full turn.
1.3 Check the stability of the indicator reading. Move the rod quickly or slowly while observing the pointer. If the reading changes by more than 0.3 divisions, check if the clamping mechanism is loose, the bracket is secure, or if the gauge itself requires calibration.
2. Aluminum Profile Micrometer
2.1 Always check the zero position before use. If it's not aligned, send it to the metrology room for adjustment.
2.2 Clean the object with gasoline or a soft cloth to avoid dust, oil, or debris that may cause measurement errors.
2.3 Gently place the measuring head against the object. Avoid applying excessive force, as this can affect accuracy.
3. Lever Dial Indicator
3.1 Keep the device clean and ensure the pivot points and shafts are free from oil.
3.2 When installing the lever dial indicator, toggle the measuring head to check for stable readings. Align the dial to the "zero" position before taking measurements.
3.3 Ensure the measuring head axis is perpendicular to the measured dimension. If this is not possible, multiply the reading by cos α (where α is the angle between the measuring head axis and the surface).
4. Aluminum Vernier Caliper
4.1 Wipe the measuring and guide surfaces before use.
4.2 Slide the frame to touch both surfaces and check if the zero lines align.
4.3 Apply light pressure when measuring—just enough to allow the caliper to slide smoothly. Excessive force can distort the measurement.
4.4 Read the scale with your eye directly aligned to avoid parallax errors.
5. Inner Diameter Dial Gauge for Aluminum Profiles
This precision tool is used to measure internal hole dimensions ranging from 6mm to 450mm, as well as roundness and cylindricity deviations. It plays a vital role in industrial quality control and is an essential part of the aluminum manufacturing process.
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