1.Appearance
2.Quantity check
3.Smell test
4.Function test
5.Internal check
6.Dry/wet rub test
7.Material check
8.Barcode scanning
9.Color abberation test
10.Max capacity of medicine cup check
11.Average nebulization rate check
12.Noise check
13.Aging test
Check
1. Appearance: Appearance inspection is performed on each sample taken.
2. Lead and cadmium: If the foreign trade contract or the government of the importing country has provisions on the amount of lead and cadmium dissolution, the inspection shall be conducted in accordance with the prescribed standards and methods; if there is no regulation, the inspection shall be conducted in accordance with China’s national standards.
3. Physical properties: Foreign trade contracts that have provisions on physical performance inspections shall be inspected in accordance with regulations; if there are no regulations, random inspections may be conducted in accordance with China’s national standards.
4. Packaging: At the same time as sampling, the internal and external packaging should be inspected. Packaging should meet the requirements of firmness, dryness, cleanness, integrity, and long-distance transportation.
Recheck
The export ceramics failed the first inspection, and the inspector was allowed to re-inspect and re-inspect to the origin inspection and quarantine institution after rework. After rework, the re-inspection shall be accompanied by a rework report, but rework is allowed only once.
The export ceramics for daily use is valid for one year.
Claim
1. Inspection of the bearing capacity of the handle and mouth
Hollow products, such as cups, pots, cans, etc., are mostly used to hold food, and these products have external parts such as handles and mouths that can be used to lift items to move. Personal injury may occur when heating food.
The handle and mouth endurance test can simulate the process of lifting and moving food, such as adding a certain amount of wet quartz sand or iron balls in a cup, pot, can, etc. to check the handle and mouth endurance.
2.Surface scratch inspection
During the use of ceramic products, the use of knives and forks (two meals) with each other can cause scratches on the surface and affect the appearance.
The occurrence of scratches has a lot to do with the surface hardness of the glaze. The data obtained by the Vickers hardness standard inspection method are different from the actual use. Therefore, some companies now use Mohs hardness, metal knife, fork scratch Check by rubbing or rubbing with sandpaper.
A. Mohs hardness: use standard Mohs rock hardness blocks (10, 15 or more) to scratch the surface of ceramic products, determine the level of rock that can leave scratches on the ceramic glaze, report Its rank.
B. Scratches on metal knives and forks: Use metal knives and forks to scratch on ceramic products, and check whether there are scratches on the surface of the products.
C. Sandpaper friction: When a certain fineness of sandpaper is used to apply a certain force on the surface of the ceramic product, it is rubbed back and forth a specified number of times. After washing, it is coated with a dye and checked for abrasion.
3.Dishwasher-resistant inspection
For the dishwasher resistance test, the ability to resist acidic, alkaline, and neutral detergents during the dishwasher washing process is mainly tested.
For ceramic products, a certain number of washing cycles (such as 750 cycles on the glaze and 1000 cycles in the glaze (bottom)) are specified for the on-glaze decorative product and the middle (lower) decorative product, respectively, in acidic and alkaline Under neutral washing condition, complete the test to check the effect on the decorative surface and glazed surface.
4, Microwave oven test
Microwave resistance test can be divided into three kinds of tests:
A. Microwave inspection of decorative surface.
Put the ceramic with decorative pattern into a microwave oven (typically microwave power is 1000W), and work at full load for 5 minutes to check whether the decorative surface is damaged.
B. Examination of the influence of microwave on the surface temperature of the product.
Place the ceramic product in a microwave oven and work at full load for 5 minutes. Use a surface thermometer to measure the surface temperature of the product.
Ceramic products can be left in water for a period of time, and then the surface moisture is dried for testing, especially for products with large water absorption, such treatment should be performed first.
C. Microwave inspection of product damage.
Microwave inspection of ceramic products can be divided into two types.
(1) Put a sponge saturated with water into the ceramic product, cover it with a cover or a film, keep it at 4 Celsius for 24 hours, put it in a microwave oven for 5 minutes at full load, cool to room temperature, and cycle it for a certain period The number of times, check the damage of the sample.
(2) Put the ceramic products in the frozen condition for 16 hours, put them in a microwave oven and work at full load for 10 minutes, and check the sample for damage.
Colin rainsforth, manager of UK trader absolute advantage, said in an interview that the outbreak would not affect his company’s future business in China, xinhua reported.
‘China is a huge market of 1.4 billion people, with a rapidly growing middle class, and there is a huge demand for high-quality goods,’ Mr. Rainsforth said of the bullish case for China. Some world-renowned British brands of chocolate, ice cream and wine are favored by Chinese consumers. “I think there will be a lot more demand coming from China than from Europe and the us.”
Speaking about the potential impact of the current outbreak on the company’s business, rainsforth said: ‘the impact is not obvious at the moment. The impact in the future may depend on two things. One is China’s economic fundamentals and consumer confidence.’ The other is whether the export of some food raw materials such as condiments will be affected. “In the short term, the outbreak will affect China’s economic growth, but the impact will be temporary. “In the long run, the fundamentals of the Chinese economy remain positive.”
Rainsforth said the Chinese government has taken timely steps to mitigate the economic impact of the outbreak, “which is not only good for the Chinese economy, but also good for the world economy. This is a time when the world should unite, not isolate China, which would be bad for trade.”
“Staff in the Shanghai office will work from home until the 21st of this month. The current outbreak has not materially affected our work. Although the customer visit activity has stopped, we have no products in China, so the impact is not big.” “Said the head of a us asset management agency’s head of markets. Asked if the outbreak would affect the company’s licence application process, the marketing executive said: “it’s not a big deal, it’s still on track. I haven’t submitted my application yet. I will do my homework first.”
Nowadays, machining requires group cooperation to achieve the professional level of production technology. In this way, machining requires more outsourcing cooperation between manufacturers, but the quality of outsourced machining parts will directly affect the overall quality of the workpiece.Therefore, the management and control of outsourced processing is very important for mechanical processing. So how should the quality of outsourced processing be controlled?
1. Select outsourced manufacturers with better quality systems
At present, the quality management level of most mechanical processing manufacturers is still in the initial stage. There is no process and regular control. Such manufacturers will lack a comprehensive and systematic process of analysis, sorting, and resolution when there is a problem with an external work piece. Summarizing and solving related problems will cause many problems to recur and affect the quality of processing. Therefore, choosing a subcontracting manufacturer with a better quality system can avoid these problems to a certain extent.
2. The technical requirements of the workpiece must be accurately marked
When the workpiece is submitted to the subcontractor for processing, it is necessary to provide the clearly prepared drawings and related technical requirements documents to the subcontractor to inform them of the uncertain factors that may be encountered in the processing, so that the subcontractor can be informed in more detail. Technical requirements for workpiece processing, thereby reducing errors due to information transmission errors and improving the quality of the workpiece.
3. Choose a strong outsourcing vendor
When choosing a subcontractor, please do not choose a weak professional subcontractor in order to reduce costs. If you only choose the subcontractor to check the price without comparing the strength of the subcontractor, you do n’t know whether the subcontractor is clear. With relevant mechanical processing equipment and core technical personnel, this may cause the quality of outsourced machining parts cannot be guaranteed.
4. Establish effective information feedback
When abnormal quality is found during the machining process, if the information is not fed back in time, the abnormality is analyzed, sorted out, and related solutions are formulated, this may cause the workpieces to fail in large quantities and cause serious losses.
5.Speeding up network to provide solutions
At present, many of the mechanical processing on the market are still in the initial stage, the technical level and management level are not high, and there is no perfect quality management system. This will have a serious impact on the quality of outsourced machining parts. The quality of co-processed parts must first select a strong external contract manufacturer, Quick Add Network, and position it on the intelligent manufacturing cloud platform. The essence is to integrate the idle capacity of a large number of manufacturing factories and equipment distributed throughout the country. Comprehensive utilization of integrated capabilities, collaboration capabilities, and management capabilities; provide personalized, customized, and intelligent flexible processing solutions. From the processing feasibility analysis of drawings to automatic quotation by the system to intelligently matching the most suitable processing plants, the processing progress of each part is tracked in real time. Quality control mechanism of triple quality inspection (production inspection, factory quality inspection, quick-up quality inspection), customized packaging and postponed delivery mechanism, free after-sale mechanism for repair or reprocessing, thus ensuring the reliability of outsourcing.
1. Responsible for the post to carefully check and confirm the standards for all kinds of plastics, record the inspection results and quantity on the QC inspection report, calculate the number of qualified, number of rejected and defective rate of the day.
2. Responsible for notifying relevant management personnel of the detected defective products to take countermeasures immediately, and QC tracking and confirming the improvement effect.
3, Every time the product transfer, be sure to refer to the sample to confirm the appearance of oil injection/silk screen color, structure (insert) fitting is qualified.
4, Check the plastic products, must be light to handle light, bad products into the pull bottom, pay attention not to touch.
5. When the defective screen printing is detected, it shall be neatly placed on the defective product frame, and the name, reason, quantity, date and person in charge shall inform the shift leader to solve the problem immediately, and QC shall confirm the improvement effect.
6, when the injection QC inspection to beer plastic bad, immediately inform the group leader feedback injection QA review, when printing QC inspection to the injection non-conforming, immediately inform the injection QC review, when QA sampling to bad product, immediately inform the silk-screen QC review, when customer return bad product, QC inspection record against bad project, and analyzing the defective product causes, countermeasures and inform the related department and track the improvement effect.
7. During the shift handover, the QC shall explain the daily complaints on the production line, quality problems on the shift, handling methods, mold modification, newly issued technical documents and sample information, and make clear the handover, and both parties shall sign.
8. Always adhere to the concept of “7S” : ensure the cleanliness of the environment and the arrangement of materials within the work scope.
Matters needing attention for QC :
1. Do a good job in the statistics of basic data;
2. Analyze the direction and focus of improvement;
3. Further collect data for the target to be improved, and analyze the specific reasons for the improvement process;
4. Make specific plans for quality improvement;
5. Improve step by step.
6. Conclusion.
Below are some common checking list for infrared thermometer quality control inspection service:
1.Appearance
2.Quantity check
3.Measurement: Product specification
4.Smell test
5.Marking & labels check
6.Logo 3M Tape Test
7.Internal check
8.Barcode scanning
9.Function test
10.Carton dropping test
How to choose an infrared thermometer
The choice of infrared thermometer can be divided into 3 aspects:
(1) In terms of performance indicators, such as temperature range, spot size, working wavelength, measurement accuracy, window, display and output, response time, protection accessories, etc .;
(2) Environmental and working conditions, such as ambient temperature, window, display and output, protection accessories, etc .;
(3) Other options, such as ease of use, maintenance and calibration performance, and price, also have a certain impact on the choice of thermometer.
With the technology and continuous development, the best design and new development of infrared thermometers provide users with various functions and multi-purpose instruments, expanding the choice. Other options, such as ease of use, maintenance and calibration performance, and price. When selecting the thermometer model, you should first determine the measurement requirements, such as the measured target temperature, the measured target size, the measured distance, the measured target material, the target environment, the response speed, the measurement accuracy, whether it is portable or online, etc. ; In the comparison of various existing thermometers, choose the instrument model that can meet the above requirements; choose the best combination of performance, function and price among the many models that can meet the above requirements.
Some common factors for Bedspread quality control:
GSM weight check
Dry and wet Rub test
Color contrast
Pull test
Color Fastness Test
Stitch check
Barcode scan
Metal Detection
Smell check
Zipper test
1 packaging inspection
(1) outer carton/inner carton inspection
(2) inspection of color box/blister packaging
(3) inspection of accessories
(4) whether the contents of the packaging materials including the instruction, warranty card and service card are consistent with the products.
2 safety inspection
Whether there are sharp corners, whether there are sharp edges and points.
3 appearance inspection
(1) product confirmation and inspection: check whether the products are consistent with the samples, samples, specifications, orders, color box pictures and contents, instructions and so on provided by the customer.
(2) appearance inspection: observe whether there is obvious damage, scratch and paint off.
4 mechanical inspection
(1) check with the hand clapper
Tap the product to make it vibrate slightly and check for any foreign matter or loose assembly in the product.
(2) assembly inspection
The assembly of each part of the accessories whether the gap is too large, wrong accessories, accessories with too loose or tight.
(3) check the unevenness of the foot cushion with a stopper
Place the product on the glass to see if it wobbles, measure its value with a feeler and record it.
If the factory cannot provide the plug, other methods can be used for reference. For example, several layers of white paper can be put on the skew of the product foot pad, and then the thickness of white paper can be measured
(4) battery box inspection
After loading the battery, then cover the battery door and pat the machine with your hand. The product should not break down.
If the battery is installed in the product, if the customer requires electrical insulation protection film, check whether the film can play an electrical insulation protection role
5. Routine function test
(1)On/Off switch 3 times the product should have the original function.
(2) double power function check (for those with solar panels)
To check whether the original charging function is available, the following methods can be used:
A. The simple test method can remove the battery or disconnect the battery power. The solar panels are under strong light and in the dark;
B. Solar panels can be detected to charge rechargeable batteries under strong light.
(3) test according to instructions or common methods.
The general manual has introduced the use of the product, can refer to the manual test, to test all the buttons, if there is automatic shutdown function to record the shutdown time, but a lot of products together at the same time test
(4) after switching on and off the machine, the memory can be checked.
12345679×7.2= can be measured whether the LCD is missing, LCD number should be consistent with the data
Buttons can not be jammed, all buttons can be tested according to the instructions or common way.
Special data and measurement items
(1) safety: none
(2) performance test
A. Battery voltage measurement
For AA/AAA batteries: check with a multimeter that the battery voltage should exceed 1.50v.
B. Working/standby current test
Check the working/standby current with a multimeter and record the parameters.
The multimeter is connected in series to the power supply circuit of the product. The working current is the current when the product is started up and operated. Standby current is the current when the device is turned on and the product is not being operated
C. Internal process and main components inspection.
(3) dimension inspection
A. Bar code scanning
Scan the barcode 3 times with the scanner
The bar code must be readable and the scanner display should match the number printed on the bar code.
B. Check the size and weight of the shipped cartons
Measure product length x width x height or according to product specification
Compare with product specification. If no product specification is provided, record the data in the report.
C. Measurement of external dimensions of products
This test is not suitable if the product or package size is not mentioned in the customer’s specification.
(4) transportation test
Drop test of shipped carton (not applicable if not required by customer)
1. PU, PVC appearance quality inspection: under 40W fluorescent lamp illumination, the distance from the tested material 40 ~ 50cm, the color and pattern must be consistent with the standard sample. There should be no obvious scratches, breakages, exposed bottoms, impurities or delaminations.
2. Dimensional inspection of PU and PVC: Use a thickness gauge with an accuracy of 0.05MM to measure. For materials with a nominal thickness of 0.5 ~ 1.0MM, the deviation cannot exceed ± 0.10MM; for materials with a nominal thickness of 1.0 ~ 1.5MM, The deviation cannot exceed ± 0.15MM; for materials with a nominal thickness of 1.5 ~ 2.0MM, the deviation cannot exceed ± 0.20MM. Measure the width with a steel tape with an accuracy of 1MM, and the deviation of the width dimension should be ± 3.0MM.
Performance inspection of PU and PVC:
1. Elasticity: Bend the material sample to 90 degrees, and its rebound degree should be consistent with the standard sample.
2.Stretchability: A 10Kg tensile force is applied to the material sample and the standard sample at the same time. After the external force is removed, the expansion and contraction of the two materials must be the same. .
3. Anti-aging property: Take PU, PVC material samples and standard material samples frozen at -10 ± 3 degrees Celsius for 2 hours, and bake at 45 ± 3 degrees Celsius for 2 hours. determination.
1. Preparation before inspection
1) Confirm the computer and auxiliary equipment used for testing (the USB interface is plugged in normally, and the extended HUB works normally)
2) Confirm computer test software (antivirus, read / write speed, chip check software, etc.)
3) Determine the reliability test tools for screen printing and label printing
2.On-site inspection
1) The outer box should be neat and undamaged
2) Product color box or blister packaging
3) Connectivity test with computer
4) Check the actual capacity of the USB flash drive.
5) File check in U disk.
6) Check the data transmission after the computer and the U disk are successfully connected
7) Use your computer’s antivirus software to check for viruses.
3. Special inspection items:
