Pay attention to the suitability of choosing ppe

May 11 afternoon in the Shenzhen Convention and Exhibition Center on the fifth floor, by the China Textile Industry Association, China National Business Information Center, China International Culture underwear Week Organizing Committee, Shenzhen International Underwear Exhibition Organizing Committee jointly held China Underwear Brand Development Summit - ----- Business interaction win the future. Xi Sier underwear brand Li Zhanglong, general manager attended the forum. Let the entire underwear industry, department stores (shopping malls) a better understanding of Qian Shi Er underwear brand strengths and characteristics.

At the meeting, Li always said: "We are forced to go up the mountain by shopping malls, and now, there are nearly 1,000 stores across the country. Basically did not enter the department stores, and our sales are almost missed by the department stores, which should be an alternative to the underwear industry. Discount was forced on the self-built channels, Xi Shier chose from the outset to adjust a narrow door underwear, all stores are not privately discounted, not Qianxi Seoul's products are not on the counter, Thyssen has been a member for 13 years , Xi Shier's membership loyalty is high. "

Xi Shi Seoul eventually lead the industry mainstream, Qian Shi Er underwear brand will be connived with the Chinese culture, functional design, beauty and beauty of the woman's heart. Can be said that Simsil 13 years of innovation and development of the industrial path. Sisier Seoul has just gone through 12 years, has been the leader in the adjustment of underwear, Sissel constant innovation, continue to guide the fashion trend as a leader in the industry, occupy the commanding height of the underwear industry.

How do you think about "Brand" in General Li? It is mentioned that the economic development of China as a whole is at an initial stage. The two words about brand in China are still a little too far away. The entire economic development only took 30 years. As a brand operator, Brand "understanding of the word has a problem. A business brand creation requires history, planning, specification and soft stuff and hardware as a foundation, each brand of business is indispensable to the category, but the requirements of the category of the minimum requirements of moral starting point, and even the fundamental loss of life Do not talk to people about the brand. Brand is a threshold, not today, tomorrow say.

The change of marketing environment, the change of channel structure and the transformation of terminal mode. General Manager Lee about how to plan their own development and so on as a brand upgrade can not be ignored important content. Aiming at major issues such as how to develop an enterprise, how to expand the market, how to promote marketing, and Other issues related to enterprise, make breakthrough suggestions.

Xisierr course of 13 years, has been advocating a stable first, second speed, pay attention to the corporate ethics. Although there are several hundred million of sales each year. How large, how large or small, many people may not know, but for those who have long eaten in the three words "alsace," al-Cyr is responsible for them and their families.

Talk about shopping malls, Lee always think so: "brand and shopping malls there is no conflict of interest is common prosperity should learn together to discuss how to do better services, how to build the most consumers like platform. Appropriate channels to upload and make progress together. "

CATV Outdoor EDFA

Optical Amplifier,RF Booster,Optical Node

BRS Imp. & Exp. Co., Ltd. , http://www.gdopticaltools.com

At present, there are mainly two methods for measuring the DC resistance of wire and cable: bridge method and current method. The bridge method has a single-arm bridge method and a double-arm bridge method. The single-arm bridge method measures a resistance of 1 ohm or more, the double-arm bridge method measures a resistance of 1 ohm or less, and the current rule can be based on the measurement of resistance. Different use of different currents, the measurement range is relatively broad. Among them, when using two-arm bridges and current measuring resistors, four-terminal measuring fixtures are often used to eliminate the effect of test resistance and contact resistance on the measurement.

Insulation resistance test, that is, testing the insulation performance of wire and cable. The insulation resistance of wire and cable measures the leakage current of the wire and cable under normal conditions. The standard specifies that the measurement voltage of the insulation resistance of the low-voltage wire and cable is 100V, 250V, 500V and 1000V. The quality inspection institution uses mostly 100V and 500V. Mostly the minimum insulation value of the wire specified in the IOM standard, so the measured value is also converted into the insulation resistance value per kilometer.

Power frequency withstand voltage test, that is AC voltage test. According to the standard, the test voltage should be an approximate sine wave of 49-61 Hz. For wire and cable with a rated voltage of 450/750, the insulation thickness is 0.6 ram and the following is 1500 V. For insulation thickness of 0.6 mm or more, 200 V is used, and the pressurization time is 5 min. No breakdown or flashover occurs. The sample passes.

Aging test is the stability test that can maintain stable performance under stress (mechanical, electrical and thermal). The heat aging test is to test the aging characteristics of the sample under the effect of heat. The sample is placed in the environment above the rated working temperature. After a specified period of time, the change of some sensitive properties before and after the aging is measured to evaluate the aging characteristics. . Can also be used to increase the temperature to accelerate the aging test, coupled with moisture, vibration, electric field and other heat, machine, electricity and other stress to form an aging cycle, after each aging cycle, determine certain selected sensitive performance parameters. Until the performance drops to the value of the indicated lifetime. This results in a shorter lifetime L (time for sample heating) at higher temperatures.

The thermal stability test is that the cable is heated by the current while it is also subjected to a certain voltage. After a certain period of heating, some sensitive performance parameters are measured to evaluate the stability of the insulation. The insulation stability test is divided into long-term stability test or short-term accelerated aging test.

In addition to the above-mentioned performance tests, the appearance size and marking of wire and cable are also an aspect of the assessment. The size of wire and cable is mainly the insulation thickness and external dimensions of wire and cable. In the random inspection of wire and cable, it was found that wire and cable with unqualified marks accounted for 70% of unqualified wires and cables. The sign stipulates that the wire and cable signs shall have continuity and rub resistance, and have a certain degree of clarity; the product sign shall have model numbers, specifications, and standard numbers; the continuity of the marks shall be the end of a complete mark and the next standard. The distance between the starting end; the sheathing should not exceed 550 mm; the insulation should not exceed 200 mm; the digital markings should be repeated at equal intervals along the insulating core, the adjacent two sets of digital markings should be reversed to each other, and the adjacent two sets of digital markings The spacing should not be greater than 50 ram.

There are thousands of wire and cable manufacturers in China, and the quality is uneven. A large number of black manufacturers produce inferior wires and cables, and even counterfeiting well-known brands to defraud commercial interests. Fire and other safety accidents due to quality problems of electric wires and cables have occurred from time to time. Therefore, the inspection of wires and cables is extremely important.

In view of this, as early as in previous years, China has formulated detailed standards for wire and cable from production to application and testing. Currently, the quality agencies of all electrical testing projects in China have basically carried out wire and cable product testing projects. At present, the unqualified wire and cable on the market involves all aspects of the standard requirements, including the unqualified dimensions and signs, and has not passed the electrical performance test, especially the DC resistance and insulation resistance tests.

Quality Factor Analysis First of all, raw materials are the basis of product quality. Only when the raw materials (copper wire, aluminum wire, and rubber compound) are shut down to ensure that the quality of the used raw materials meets the requirements, can quality problems be prevented from occurring at the root. At this point, the production company may implement such methods as self-inspection, commissioned laboratory inspection, or verification report provided by the supplier by the factory.

Second, in the production process, the copper wire must be grounded and kept in line with the spark machine's grounding to ensure that the spark test is effective, and at the same time, to ensure the production personnel's protection against electric shock, the pay-off wire or take-up reel can be used to prevent the copper wire from being grounded. The problem occurred.

Again, extrusion is the key link, and the appropriate melting temperature should be chosen based on the different compounds. Usually, the temperature of the nozzle of the extruder is low, the temperature in the middle section is basically the same, and the head temperature is the highest. During the production process, the temperature of each section should be monitored and recorded regularly to prevent excessive or under-melting of the rubber material. Over-melting and under-firing can lead to a reduction in the insulation of wires and cables.

The last is the spark test. At present, after wire and cable extrusion, the factory uses water to cool the wire. Therefore, before the spark test, the moisture on the surface of the wire and cable must be removed to avoid flashover caused by moisture. For example, the air is removed by wind blowing. Moisture.

Spark test is a key link in the production of wire and cable. Select the appropriate test voltage according to the insulation thickness of the wire. Because, too low voltage can not guarantee the quality of the wire meets the requirements, if it is too high, it will cause damage to the insulation performance of the wire. The spark test must ensure that the wire and cable stay in the high voltage test area for not less than 5 seconds, can be controlled by adjusting the take-up speed. During the test, static electricity is usually generated on the surface of the wire and cable. Therefore, static electricity on the surface of the wire and cable should be removed immediately after the spark test to avoid damage to the production personnel. At the same time, in order to ensure that the test results are valid, the spark test must be periodically calibrated and checked for effective operation.

In addition, linear adjustment is also essential. Adjust the production equipment to ensure that the wires and cables are in a straight line in the production process. In particular, the conductors on the head should be as concentric as possible to make the conductors be concentric with the inlet and outlet, so that the average insulation thickness of the wires is closer to the thinnest point, which is beneficial to Improve wire and cable insulation and save raw materials.

Test items and methods Wire and cable are national CCC compulsory certification products. The national standards have detailed descriptions of their inspection items, mainly including electrical properties, mechanical properties, and flame retardant properties. The quality inspection agency mainly tests the electrical properties of wires and cables.

The electrical performance test mainly includes conductor direct current resistance test, insulation resistance test, power frequency withstand voltage test, impulse voltage test, etc. At present, the electrical performance tests carried out by domestic quality inspection institutions include conductor direct current resistance, insulation resistance and power frequency withstand voltage test.

DC resistance test, that is, measuring the conductive properties of wire and cable. This test can reflect the conductor performance of the wire and cable and the size of the outer diameter of the wire. When the cross-sectional area is constant, the material of the conductor determines the direct current resistance of the conductor. The corresponding standard specifies the maximum value of the resistance of the conductor at different temperatures. That is to say, the standard is based on the conductor resistance per kilometer. . Taking 20% ​​of the maximum conductor resistance as an example, the DC resistance value of the wire and cable measured at room temperature must first be converted into a DC resistance value of 20 kilometers per kilometer. If R20 is less than the standard value, the wire and cable sample is qualified, otherwise it is unqualified.

Temperature Control

Carel Temperature Controller,Carel Electronic Controller,Temperature Controller

Compressors,Refrigerant Gas Co., Ltd. , http://www.cn-compressors.com

First, the safe return valve works:

1. Leakage Under normal working pressure of the equipment, leakage beyond the permissible level occurs between the disc and the sealing surface of the valve seat. The reasons are: There is dirt between the valve flap and the seat sealing surface. Use a lifting wrench to open the valve a few times to flush away the dirt; the sealing surface is damaged. Should be based on the degree of damage, grinding or grinding after grinding method to repair; valve stem bending, tilting or deflection of the lever and fulcrum, so that the spool and valve disc misalignment. Should be reassembled or replaced; spring elasticity reduced or lost elasticity. Replace the spring and readjust the opening pressure.

2. The frequency jump or vibration of the valve is mainly due to the too high spring stiffness. Should use a spring with appropriate stiffness; improper adjustment of the adjustment ring will make the pressure in the seat back too high. The position of the adjusting ring should be readjusted; the discharge pipe resistance is too large, resulting in excessive discharge back pressure. The discharge pipe resistance should be reduced.

3. The reason why this condition is not turned on when the pressure is set is that constant pressure is not allowed. The amount of spring compression or the position of the weight should be readjusted; the valve flap sticks to the valve seat. The safety valve shall be manually deflated or drained periodically; the leverage of the lever-type safety valve is jammed or the hammer is moved. The weight position should be readjusted and the lever should move freely.

4. The disc is not returned to the seat after discharge. This is mainly caused by the spring bending of the valve stem, the improper installation position of the valve disc, or being stuck. Should be re-assembled.

5. After the exhaust pressure continues to rise This is mainly because of the safety valve discharge capacity of small flat equipment safety, should be re-select the appropriate safety valve; stem centerline is not correct or spring rust, so that the valve flap can not be opened to due The height should be re-assembled valve stem or replace the spring; exhaust pipe cut enough, should be taken to meet the safety discharge area of ​​the exhaust pipe.

6. Less than the specified pressure opening is mainly constant pressure is not allowed; spring aging elasticity decreased. Tighten the adjusting screw or replace the spring properly.

Second, safety return valve parts and materials:

NO

Part Name

material

1

Seat

2Cr13

2

Body

WCB

3

Adjustment ring

2Cr13

4

Recoil plate

2Cr13

5

Flap

2Cr13+PTFE

6

Guide sleeve

2Cr13

7

cap

ZG230-450

8

spring

50CrVA

9

Stem

2Cr13

10

Adjust the screw

45

11

Bonnet

ZG200-400

top sale products 12/05

Standard Injection Molding Machine Co., Ltd. , http://www.jsinjectionmachine.com

Smart electromagnetic flowmeters convert the volumetric flow of conductive liquid flowing through a pipeline into a linear electrical signal. Its conversion principle is the famous Faraday's law of electromagnetic induction, that is, the conductor passes through a magnetic field, cuts the electromagnetic wire, and generates an electromotive force. The magnetic field of the flow sensor is realized by excitation, which is divided into DC excitation, AC excitation and low frequency square wave excitation.

Intelligent electromagnetic flowmeter (1) DC excitation DC magnetic excitation EMF used to measure the liquid metal flow is, such as room temperature mercury and high temperature liquid sodium, strontium, potassium and so on. In the primary circuit of a fast breeder nuclear reactor, it is used to measure the molten sodium flow rate of more than 500 degrees Celsius. The DN300mm pipe instrument report also describes the exploration of the dry check flow value, compared with the wet method (real flow) check. Accuracy can reach 3%. In addition to the magnetic field generated by the electromagnet DC excitation, it also uses a smaller diameter sensor with a permanent magnet magnetic field. The domestic Shanghai Guanghua Instrument Factory has developed such products.

The application of this type of instrument in the general process industry in China is still an exploratory stage. It was successfully applied to the measurement of the mercury flow at room temperature in the electrolytic cell in the 20th century to the 1970s. The non-ferrous metallurgy industry has also tried to measure the flow rate of molten zinc because of the zinc liquid. In the measuring tube wall fouling and zinc oxide and other reasons, not used successfully.

(2) AC Excitation Early EMF was excited with 50Hz industrial frequency to generate a sine wave alternating magnetic field; the reason for using AC excitation was to avoid polarization on the surface of the electrode when using DC excitation, but it was susceptible to the mains power. The superposition of various inductive noises in the same phase as the flow signal, forming zero drift, etc., has now been replaced by low-frequency rectangular wave excitation. These induced noises are caused by the following reasons.

1) The eddy current generated in the liquid and the phase signal noise of the flow signal, the noise formed by the electrode contamination and the zero point drift;

2) The magnetic loss in the magnetic circuit deviates from the phase between the exciting current and the magnetic field, so that the quadrature (900) noise formed by the transformer effect originally in the signal loop is phase-shifted to generate the in-phase noise;

3) Electrostatically induced noise between the excitation coil and the signal line and between the excitation coil and the fluid.

However, the magnetic flux density of the AC Excitation Flow Sensor is usually designed to be higher, with the advantages of larger signal electromotive force (about 1 mV per 1 m/s, rectangular wave excitation only 0.2-0.3 mV) and higher signal-to-noise ratio. In addition, in the case of fluids such as solid-liquid two-phase slurries, low-frequency square-wave excitation generates a sharp slurry noise on the surface of the solid wiper electrode, which causes output signals to fluctuate, and power frequency AC-excited EMF does not have such a disadvantage. . Therefore, there are still some instrument manufacturers at home and abroad that continue to provide EMF with AC or other frequency AC excitation.

Intelligent electromagnetic flowmeter

Wire Mesh Fence

Ecurity Fence,Stainless Steel Pipe Co., Ltd. , http://www.zjsteeltube.com

" Iraq's beauty " underwear, Shenzhen Industrial Development Co., Ltd. is floating Ya brand, established in 1996, has been 15 years of history, before 2006 has been doing self-support chain and trade sales, after 2007, the country started a nationwide investment to join , And hired well-known domestic brand planning company, design, planning out the most visual beauty of the Iraqi beauty underwear brand stores and science underwear chain to join, self-employed in one mode of operation, professional shopping guide, consultative sales to customers Professional and thoughtful intimate service, mainly to ensure the quality of products produced products.

Now it has 688 self-operated chain stores and franchised chain stores in most parts of China, including South China, East China, North China and Southwest China. It has become the most popular in Zhejiang, Jiangsu and Hunan in 2010 Influential underwear brand, covering the sales area has a strong brand awareness and reputation. "Iraq's beauty underwear" and strive to achieve thousands of stores in 2011 chain.

Ice Hochey Wear

Hockey Jersey,Hockey Jerseys,Ice Hockey Jersey,Sublimation Ice Hockey Jersey

Ice Hochey Wear,Basketball Uniform Co., Ltd , http://www.szsportswear.com

The development of the wooden door industry will inevitably lead to the development of the wooden door hardware industry together, so as to achieve more rapid success. In recent years, the size, influence and technological content of the wooden door hardware industry have been continuously improving. However, with more and more manufacturers, brands are blooming everywhere, the entire industry is in an imbalanced state where the production supply is far greater than the market demand, and the competition is fierce. .

What is even more worrying is that many manufacturers do not have innovative R&D capabilities and sustainable development strategies. They just blindly copy and copy. Their product processes and styles are almost identical. The homogenization of the entire market is very serious. The business model is very simple and traditional. Caused the hardware industry to enter the Red Sea market, entering the vicious competition of prices.

At present, the model of the hardware manufacturer operating the brand in the market is mainly divided into professional brand and system brand.

Professional brands generally refer to the production of more specialized factories to market their own core single products. The advantages of this brand are more professional production, high غير مجاز مي باشدt performance, rapid delivery, and strong research and innovation capabilities. However, the disadvantage is that the product line is relatively simple. The advantage product is easily weakened by copying and copying by peers. Moreover, in the dealer store, it can only occupy one wall to display, and the brand image is difficult to increase. Therefore, the overall competitiveness is not strong, and it is easy. Inundated in the market.

System brand generally refers to multi-category product portfolio brand, product line in addition to wooden door accessories, also covers the door lock, supporting engineering hardware, large handle, door control hardware and bathroom hardware accessories and other products. Such brands usually use specialty stores or store-in-shops as terminal sales forms, with prominent brand image, complete product mix, and mutual promotion of products, basically fulfilling customers' one-stop shopping needs, and can also solve the problem of multi-category products for engineering companies. The problem of the same brand purchasing has reduced the multiple procurement links of the dealers and maximized the benefits of the stores. At the same time, due to the huge product system plus the personality and connotation of the brand, it is difficult to be replicated by peers.

In the current stage of intense competition, wooden door hardware manufacturers can only make substantial progress in the industry by constantly enriching their product lines, upgrading their product processes and added value.

V Ring

V Ring,Water Proof V Ring,Silicon V Ring

Rubber oring Co., Ltd. , http://www.cnrubberoring.com

A recent Worldpay survey of more than 16,000 consumers worldwide shows that only 24% of people use VR technology, and 37% believe that they will become mainstream and become part of our daily lives.

There is exciting news for businesses: 65% of consumers believe that VR technology can change their shopping methods. Although consumers are interested in seeing VR headlines at retail stores, they are excited when they actually experience it. The more interactive form of online shopping allows analysts to predict that the future immersive shopping experience will become the next battleground.

This means that when VR and AR are fully integrated into a consumer-grade technology, it will shake the entire retail industry in a very real way. In the VR environment, businesses will be able to directly interact with consumers, which is beyond the scope of our current mobile spending. This will surely be the best vision for the next stage.

There is no doubt that this is undoubtedly the cleanest idea for the Millennials. When merchants adopt VR and AR technologies, Millennials are the ones most affected. Millennials in the AR and VR environments have the potential to purchase impulses.

However, there are many obstacles to this, and immersing consumer spending is currently the main problem. Some platforms have already implemented payment methods in the VR environment, and some platforms have not yet integrated this function. Therefore, some users must take off their heads to pay. In addition, the payment information stored in these devices can be guaranteed to be foolproof? At least consumers do not think so.

At the VB Live event, Stewart Rogers, marketing technology director, will announce the latest in-depth consumer survey results. At the conference, visitors will learn about the global development trend of VR and AR, understand the reasons that hinder consumers from using these technologies, introduce advanced AR and VR innovations for your team, and learn how payment technologies can promote the experience of VR and AR.

SMC (9A~85A)

SMC (9A~85A),High Quality SMC (9A~85A),SMC (9A~85A) Details, CN

Connector Terminal Co., Ltd. , http://www.electricalmcb.com

In 2016, known as VR in the first year, various VR devices emerged in an endless stream, but they were limited by price and there was still some distance from popularization. Cheap is cheap enough, but the experience is also difficult. Your non-general players can accept that it is still a high-playing pet. The good news is that more and more malls, Internet cafes and other places have opened VR experience halls so that ordinary people can feel the immersive experience brought by VR.

According to foreign media reports, the Japanese game maker Koei Tecmo recently released the new VR arcade, VR SENSE. In addition to VR's immersive experience, the arcade's biggest feature is the "five sensations" that include: seat simulation, taste, wind, heat, touch and spray.

The VR Sense device inside the VR SENSE is based on the PS VR and has undergone some custom modifications.

Glory stated that VR SENSE sells for 3.2 million yen (approximately RMB 194,000), which is suitable for VR experience shopping. Each VR SENSE can install up to 5 games. Each experience takes 7-10 minutes. Suggested fees 700 yen (approximately RMB 42).

The built-in games include Dead or Alive: Beach Volleyball 3, True Three Kingdoms Warriors, Super Warring States Roller Coaster, Professional Horse Racing, Horror Sense and more.

Warning light

Solar Energy System Co., Ltd. , http://www.nbsolarenergy.com

In some occasions that need special monitoring, in order to prevent the monitor from being damaged, the pickups need to be treated with waterproof or explosion-proof, then how do the pickups be waterproof and explosion-proof? Here are some technical explanations to explain how the lower pickups are implemented. Waterproof and explosion proof.

Waterproof:

After watering, flooding, rain, and damp air erosion, the pick-up function of the pickups will not be damaged. Generally, they will be dealt with in two aspects.

First, the use of waterproof microphone to protect the microphone function, because the microphone is open to the outside world to collect sound sources.

Secondly, the design of the pickup is sealed. In addition to the internal structure of the pickup, the internal structure of the pickup, especially the circuit, is completely sealed.

In view of the general situation, the monitoring pickup will be installed at a height and equipped with a rain cover, so the possibility of flooding is not great, and the requirements for moisture protection are more prominent.

Explosion-proof:

To avoid the destruction of the pickup by malicious violence, so that the pickup function fails. Generally deal with the closed design on the material shape. Take a metal material and make a non-openable design.

Truck Parts For Scania

Truck Cover,Truck Body Covers,Truck Parts of Cover

Mingzhi Auto Parts Co., Ltd. , http://www.cz-autoparts.com

1, check the submersible pump bearings: check the motor part of the upper and lower bearings, if it is found that the wear or clearance is too large, it is necessary to replace the new bearings in time, is strictly prohibited "sick" make do with. The inspection method is as follows: If the motor is running, a “click” sound is generated, and the cycle is proportional to the rotation speed, and it is laborious to turn the rotor by hand, which is a bit astringent or avulsed on the bearing raceway; if the bearing is intermittent The "click" sound, there is an indeterminate dead point when turning the rotor by hand, generally the ball frame is damaged, the inner ring is broken or the ball is broken. In the above situation, the bearing must be replaced to avoid further damage.

seamless pipe

Yason Packaging Co., Ltd. , http://www.zjغير مجاز مي باشدmetictube.com