Five detection methods when the sensor on the electronic floor scale problem occurs When the electronic scale sensor is damaged due to corrosion and moisture, it will seriously affect the weighing accuracy. How to detect it?

1. Appearance check: Check the appearance of the sensor to be inspected. If it is found that the appearance of the sensor is cracked, the sensor may be damaged.

2. Rough inspection of the line: The power supply line, signal line and shielded line of the sensor are coaxial cables, which can be tested with a multimeter (ie, power line - signal line, power line - shielded line, signal line - shielded line). If a short circuit, disconnection, or a drop in insulation performance indicates that the sensor may be damaged.

3. Measure internal resistance: When there is no dedicated detection device, the input impedance ZI and output impedance ZO of the sensor can be measured with the ohm file of the digital multimeter, and the measured value and the nominal value of the product certificate provided by the manufacturer For comparison, when the measured value exceeds the allowable range, it indicates that the sensor may be damaged (Note: The self-numerical value of the multimeter to be used should be accurate, and it is better to use after measurement verification/calibration).

4. No-load detection:

Remove all sensors and access measurement circuits one by one. Under no-load (no-load) conditions, a well-performing sensor will quickly return to zero and the displayed value will be more stable, while the damaged sensor may show a digital jump. Can not return to zero and other phenomena. After the manual clearing the above phenomenon will still be repeated. Connect all sensors, still carry out no-load measurement, remove a sensor and observe whether the displayed value can be stable, then the sensor After it is still connected, the other sensor is removed and measured. All sensors are measured in sequence. If it is found that the value returned to normal after a sensor is removed, the sensor may be damaged.

5. Load check: When the above method cannot be used to determine the damaged sensor, load calibration can be performed on all sensors using the standard calibration method. The load test is performed on the sensors one by one using the standard weight of 1t. The undamaged sensor shows the measured value as the superimposed value of the standard weight gradually loaded, and the measured value displayed by the damaged sensor will have a large deviation from the superimposed value of the standard weight gradually loaded. .

Low-Pressure Auto Parts

This classification mainly includes the aluminum low-pressure casting Machinery Parts using in auto area.
From the part, we can easily find that the parts have a lot of features of big cavities, so the part will have big potential risk of mold release problem, if so, the part may happen to be deform, sticking to the mold etc, especially when the part sticking to the mold, if no clear in time, while next shot, the mold may be destroyed while clamping.
Normal raw material: A356.ZL101A.ZL101.AlSi7Mg
Process Technology: Low-pressure casting,T6 Treatment,Shot Blasting,NC Machining,Spray Coating
Product Dimensions: Customized
Casting General Tolerance: Grade GBT6414-CT8
Flow Processes: Die casting, Degating to remove the residual of the gate, Polishing and Deburring to remove the burrs, Polishing to remove the parting line, flash,CNC Turning, Cleaning, Packaging, Storaging, Shipping
Control Measure: Incoming Material Test, First Article inspection, Routing inspection, Final item inspection, and Outgoing quality control
Inspection Equipment: CMM, Caliper, Plug Gage, Screw Gauge
Application: Machinery Parts
Certificate: IATF16949:2016,ISO14001:2015,ISO45001:2018
Lead Time: 30-35 days
Trade Term: FOB Ningbo

Low-Pressure Casting Auto Part,A356 Low-Pressure Casting Parts,ZL101A Low-Pressure Casting Parts

NINGBO ZHENHAI BOLANG METAL PRODUCTS FACTORY , https://www.bolangautoparts.com