The quality consciousness of the company

The competition in the packaging and printing industry has become increasingly fierce. Many companies have realized that quality is the life of an enterprise and an important guarantee for the survival and development of an enterprise. Product quality has been valued by more and more companies and it occupies a very important position in corporate management. Because there is no correct quality consciousness, it is difficult to have conscious action in quality management, and it is even more difficult to have high quality of products. The life of a company will be short-lived.

Many companies have paid attention to strengthening quality work and have formed a strong atmosphere of concern for quality. However, it is undeniable that there are still quite a number of companies whose quality awareness is not in place. The quality of products does not increase over the long term, and unqualified products often appear, resulting in a certain amount of economic losses. Customers are declining and operations are difficult.

The purpose of corporate quality control

Enterprises value and improve product quality is to increase profits. The quality of products reflects both social benefits and economic benefits. Quality is the market is also effective. The packaging and printing enterprises in the southeast coastal areas of China rely on advanced management concepts and methods, advanced technology and equipment, and high-quality products to attract a large number of domestic and foreign customers and enterprises. The market scale is continuously expanding and the economic benefits are considerable. On the contrary, in some enterprises, the quality management work is lax. Because of the unqualified product quality, return events or quality accidents often cause returns or quality accidents, resulting in end-of-life losses of as much as a few thousand dollars, as much as a few tens of thousands of yuan. More. Some enterprises have difficulties in their operations or even face closures. They are caused by chaotic management, single products, and unscrupulous production.

How to protect the quality of products The inspection of quality inspection departments and the self-inspection of enterprises have positive and important significance in ensuring the quality of products and reduce the inflow of unqualified products into the society. However, the quality problems that have been detected have often caused problems for enterprises. Some economic and reputational losses. Only the focus of quality work is placed on the control of the production process, and prevention is the main factor in order to ensure maximum product quality and reduce losses. When unqualified products appear, it is important to pass inspections, analyze the causes of quality problems, propose solutions, improve the operating environment and process operating procedures for the process, and increase the degree of quality assurance.

How to control quality costs

Printing and packaging companies should treat the various quality indicators of products reasonably and correctly when improving product quality.

The quality index of a product varies depending on the use and the object. If the use of imported high-grade raw materials (paper or film) and advanced ink, the use of high-end printing equipment, printing of general printed matter with high process requirements and quality standards, the quality is undoubtedly on the level, but the sudden increase in cost will inevitably affect the efficiency of enterprises, therefore, enterprises To meet the quality standards required to control costs. When enterprises organize production, they should follow the value engineering theory and comprehensively consider the relationship between quality, cost, and efficiency, and coordinate and select between achieving customer-satisfied quality and the best quality cost to meet industry quality standards and social average quality costs over the same period. As a basis, it is possible to achieve a dynamic balance, so that the cost-effectiveness of an enterprise is finally reflected in the quality and cost of the product.

Quality Control Instrument Selection

Whether the quality control is accurate or not depends largely on the test equipment. How to select the tester accurately is the key to ensure the test data. The author thinks it can be considered from the following points:

1. Whether or not the test equipment complies with the standards is based on standards. Domestic sales must meet the national standards, manufacturers with import and export trade must consider international standards. At present, although China is also vigorously introducing international standards and advanced standards, because the international community is very different, there are multiple test methods for measuring the same indicator at the same time. For this reason, I think that we should consider whether the testing method is advanced and whether it can meet the mainstream needs. For example, gas permeability tests include differential pressure method, concentration method, gas chromatography method, and the like. The differential pressure test has become a testing method for Germany, the United Kingdom, China, Denmark and other instruments due to its wide range and high precision. Therefore, it is best to use a differential pressure tester.

2. The key components of the instrument are used as the testing equipment in the hardware requirements, such as whether the key components (such as sensors, pneumatic components, etc.) are reliable, which should be judged based on the information provided by the instrument provider.

3. The application of computer technology Today, with the development of computer technology, computer automatic two-way control and the use of computers for data processing are an important aspect of measuring testers. In this way, not only is it not technologically backward, but it can also be upgraded by the manufacturers.

4, the scope of application of a wide range of choice of quality control equipment also consider whether it adapts to the modern and future trends in packaging, printing, such as flexible packaging has not only appeared in a variety of modified atmosphere packaging, but also more areas (such as The expansion of chemicals, pesticides, etc. requires inspection equipment to be suitable for future trends in flexible packaging. The barrier test must not only consider oxygen, carbon dioxide, but also nitrogen, organic gases and other gases.

5, instrument calibration as a test instrument, to consider whether the calibration is convenient, accurate, can communicate within the industry. Such as Jinan Lan Guang breathability tester calibration using high-precision (5 ‰) pressure calibrator, intuitive, accurate and convenient. Although the use of standard substances is avoided, the preservation of the standard substances is extremely strict and difficult to trace.

6, after-sales service to understand the after-sales service is perfect, the warranty period, the rationality of maintenance fees (such as parts prices, etc.).

7, the manufacturer's brand can be understood from the manufacturer's customer base and other ways.

8. Whether related services can provide a series of technical services for packaging and printing, solving practical problems for customers, not only providing products but also providing comprehensive technical services.

9, the price than the high-performance price ratio is an important factor in selecting the instrument, as long as it is in line with the requirements of this enterprise, full-featured, precision can reach the instrument can be considered. The author believes that there is no need to buy the most expensive products or even imported products. With the development of China's industrial level and the improvement of processing technology, a considerable portion of domestically produced instruments can fully meet the international or even international standards.


Author/(Zhang Hongpu)

Metal Zipper

Metal Zipper
Metal zipper zipper belongs to one of the microphones refers zipper teeth made of copper, aluminum or copper-nickel alloy material produced zipper, resin zipper and Nylon Zipper compared in terms of, more durable, and more for jeans, jackets and backpacks.

Features: Rugged, higher cost

Divided according to the size: # 3, # 4, # 5, # 7, # 8 and so on, depending on the size microphone size zipper teeth change. Because it is often used in the jeans, jackets and backpacks, so its dimensions are larger zipper.
zipper with 2 sliders
classification:
1. TYPE: closed zipper,
Opening zipper (detachable),
Double closed end zipper (X- zipper with double slider zipper with two opposite or O- double slider two opposite), double open end zipper (Inverse open detachable)

2. Mi tooth Material: Existing material type of aluminum, brass, copper-nickel alloy, zinc alloy. Color metal microphone teeth often as needed electroplated, such as aluminum plated microphone yellow teeth, tooth-plated brass microphone white, black nickel, bronze, red bronze, gold and other colors.

Metal zipper Composition:
And other similar zippers, metal zippers composition is formed by a cloth belt, microphone teeth, slider, limit codes.
Tape: Material generally fiber belt, cotton or polyester fibers with a belt, can choose different materials depending on the application.
Mi teeth: the market for the production of metal zipper and more aluminum, brass, copper-nickel alloy, zinc alloy and other materials made of, since the color on the metal zipper teeth are plated microphone up, if improperly stored, the teeth will turn black microphone clothing and would cause pollution. For microphone tooth copper alloy is prone to oxidation, so when you save to ensure a certain degree of ventilation, do not sealed, do not save in the moisture-laden environment, if necessary, have to use the moisture-proof paper or desiccant.
Slider: metal slider respectively bronze color, red bronze plating, white, yellow-plated, black nickel, black nickel, matte silver, under normal circumstances, the color of the metal slider requires a microphone with a metal zipper teeth the same color. According to regulations, common slider parameters are:
3 # metal slider opening height of 2.1-2.2mm, mouth wide as 4.55-4.65
5 # metal slider opening height of 2.7-2.8mm, mouth wide 6.0-6.05
Limit code: divided into upper stop (front yard) and bottom dead center (post code). The main role is to prevent the upper and lower retaining slider from microphone teeth.

Note:
In the garment washing or processing time, pay attention to:
A wool knitwear after being ironed, to ensure adequate cooling can after zipper packaging, otherwise,
After the metal zipper will react with steam generating, easy to change color. Second, in the clothing trade processing, it tends to remain certain chemical reagents, then it is easy to react and metal zippers. Therefore, prior to assembly of metal zippers, leather has been the need to ensure adequate for cleaning and neutralization.
remind
Since there are different zip adaptability in different environments, so in the selection and purchase of the zipper when you choose must inform the manufacturer of the zipper on the application in which products, and manufacturers have to inform you of the fastener component requirements, such as You can be a pin detection and so on. Further, generally prohibit the use of azo dyes in the composition, as the dyed fastener after contact with body induce certain diseases.

Maintenance tips:
First, the science of using a metal zipper:
1, when the metal zipper pull, it must be close to both sides of the tooth, must be aligned to the top, then head down the track holds metal zipper pull gently, not too much force to pull.
Metal zipper
Metal zipper (2)
2, when moving the metal zipper should be careful not to hem skirts or other debris caught in the metal zipper in order to avoid "crooked teeth", "belly", "off the teeth" and so on.
3, if the metal zipper astringent, not easy to pull, do not dead lift, put some wax or soap on top of a metal zipper, you can pull.
4, if the metal zipper teeth unilateral differences rope, wear loose hair, available in popular tiger clamp closed end of the metal zipper lateral gently clip, metal zipper immediately changed for the better, unilateral teeth together tight, no broken loose.
Second, to prevent metal zipper moisture, oxidation, rust and discoloration.
1, to avoid contact with the moist environment: because the metal zipper metal oxide due to the dip caused by tooth portion has a black phenomenon.
2, avoid contact with rubber band: Because rubber band itself contains sulfides, when bundled with rubber band metal zipper, metal chain teeth will have vulcanized phenomenon (black).
3, should be cleaned and dried after washing with water: because the fabric dye or residual chemicals and metal parts redox reaction, metal parts may cause discoloration.

Cause of Color Changes
a, copper alloy (copper-nickel alloy, copper, brass) made of metal zipper discoloration of reasons:
When used in the metal or hair products, metal zippers metal due to oxidation caused most of the teeth have a black phenomenon. This is because when the bleach manufacturing process of cooked skin leather woolen products agents on the process and remains in the product, the product gas can cause discoloration of the metal zipper.
Examples of chemical reactions: oxidizing bleach (H2O2) → black (CuO) or red (CuO2);
b, rubber bands bundle of metal zipper color reasons:
Rubber band itself contains sulfides, when the rubber band bundle metal zipper, metal chain teeth will have vulcanized phenomenon (black).
Chemical Reaction Example: excess gas sulfides or HS2 conditions → black [CuS]
c, contact with an acid or chromium compound causes discoloration.

Chemical Reaction Example: acidic compound and chromium compound [Cr2O3] → Black [CuO, red [CuO2] or blue [CuSO4].

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Shenzhen Yiyixing Zipper Manufacture Co.,Ltd , https://www.nicekeychain.com