Inspection standards and inspection methods for vacuum cleaner products

Vacuum cleaner

inspect on the spot

1 Preparation before inspection

1) Determine the required test files and customer files
2) Determine the external equipment required for testing and the number of sets required (high voltage meter, grounding meter, power meter, tachometer, noise meter, frequency converter, etc.)
3) Determine the voltage and frequency used
4) Confirm whether the equipment is calibrated and whether the validity period is valid
5) Determine the test environment and equipment for burn-in

2Packaging inspection

1) Outer box and inner box, pay attention to the mark and packaging method and quantity
2) Check the color box
3) Check whether the sealing seals of the outer box, inner box and color box are firm and not damaged.
4) Check accessories
5) Whether the contents of packaging materials, including instructions, warranty cards, service cards, etc. are consistent with the product, please refer to the documents.

Whether the language on the instructions and other packaging materials matches the language of the country of sale
Pay special attention to whether any relevant accessories are missing, and check that the accessories are consistent with the descriptions on the instructions and color boxes.
Check for sharp edges and points
The instructions should provide necessary guidance for the correct use of the product (including installation, use, cleaning, user maintenance, etc.)

3 Safety checks and test checks

1) Does the product have sharp edges and corners?
2) Check whether the power cord has broken skin or exposed copper (pay special attention to the outlet of the power cord)

For safety testing standards, please refer to:

international standards IEC60335-1, IEC-60335-2-2)

Safety test

American standard (UL-1017)

American standard

4 Appearance inspection

1) Product confirmation inspection, check whether the product is consistent with the sample provided by the customer, product specifications, order information, color box pictures and contents, instructions, etc.
2) Appearance inspection, please refer to the documents
3) Pay attention to the product model, material, and color when inspecting
4) The appearance should not have any bad defects (such as dirt, scratches, burrs, deformation, mixed colors, etc.)
5) Check whether the packaging bag has suffocation warnings and ventilation holes
6) Pay special attention to check that the HEPA or dust bag is not damaged

The following signs must have a height of at least 15mm

Appearance inspection

5 Mechanical structure inspection

1) Check with the handheld camera and then shake to check whether there are any foreign objects or loose assembly (such as screws, nuts, mesons, solder) or loose assembly in the product.
2) Check whether there are obvious gaps and steps in the assembly of each part of the accessories, whether the wrong accessories are installed, whether the accessories are too loose or too tight, etc.
3) Use a plug gauge to check whether the base is flat. Place the product on the glass to see if it shakes. Use a plug gauge to measure the value and record it.
4) Whether the plug type of the power cord and the certification mark match the sales destination country
5) Pay special attention to check whether the dust collector, filter and water tank are easy to install and remove.

Internal structure inspection

1. Reliable protection for live parts
2. Adequate protection for hazardous moving parts
3. Parts inspection
4. Parts installation position and fixing method
5. Mechanical strength
6. Reliability of electrical connections
7. Standardization of product structure design


Internal patch cords must be able to withstand a pulling force of 5N
Aluminum wire cannot be used as internal wire

Internal structure inspection

6 Common Defects

1. Packaging: The outer carton and color box are dirty, damaged, poorly pasted, poorly printed, missing assembly parts, instructions, etc.

2. Security:
Power cord burns, misuse, damage, displacement, sharp edges, sharp angles, safety test, failure, burning, smoke, sparks, odor, etc.

3. Appearance:
Dirt, scratches, mixed colors, shrinkage, flow marks, bubbles, shrinkage, cracks, poor plating, rust, sand holes, dents, poor assembly, gaps, instability, poor silk screen printing, surface oxidation, screw slippage, knob deviation, etc.

4. Function:
The product cannot be assembled correctly, the switch is defective, the power exceeds the standard value, the indicator light does not light up, the rotation speed is low, the suction is weak, the gears, buttons and other functions are missing, vibration noise, noise, the roller, straw or nozzle cannot be connected, automatic winding The device does not work, etc.

Post time: Apr-01-2024

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