Pay attention to the suitability of choosing ppe

Product Description Take high-performance single-chip microcomputer as the core, adopt 3 independent voltage channels, 3 independent current channels, 3 current clamps, large-screen graphics dot-matrix LCD display, long-term nickel-hydrogen battery, battery management circuit, non-easy The hardware design of the volatile data memory, high-precision clock, serial data interface, etc., has reached a new level of portable phase measurement and multi-functional meters, and is an ideal replacement product for the traditional double-clamp phase volt-ampere meter.

Technical Specifications Voltage: Measurement range: 5 ~ 500V; Resolution: 0.01V; Accuracy: 0.5.

Current: Measurement range: 10mA～10A; Resolution: 1mA; Accuracy: 0.5.

Phase: Measurement range: 0-360°C; Resolution: 0.1°; Accuracy: 3°.

Frequency: Measurement range: 45Hz to 65Hz; Resolution: 0.1Hz; Accuracy: 0.1Hz.

Power supply: internal battery: long-term nickel-metal hydride battery, power consumption 6W, backlight use time is about 6 hours;

AC power supply: 165V ~ 265V, 0.8A, power ≤ 8VA.

Wheel Crawler Excavator

Rhinoceros wheel-Crawler Excavator models, X8 X9

We produce good quality  excavators, and sale with competitive prices. This wheel-crawler excavtor is our patented machine. we are the manufacturer of wheel excavators, crawler excavators, mini excavators. annual sales about 7000 units excavators.  

X9 Wheel-crawler excavator is with national invention patent which is totally researched and developed by our company, the first design in the world. Convenient moving, fast travelling speed, quick transferring from wheels to track walking. The wheel travel device can be quickly disassembled when required.

Advtanges:

  Import Germany Rexroth hydraulic system, stable performance. Equipped with reinforced walking device and famous tires.

  Perfect match between power system and hydraulic system; 

  Japanese YANMAR engine, powerful and reliable performance. Meet to the china Ⅲ emission standards, saving fuel 30% than last generation

Rhinoceros XINIU wheel- crawler excavators models: 

Wheel Excavator X8 X9

With the brand XINIU/ Rhinoceros, we produce small size excavators, wheel-crawler excavators, wheeled excavators, crawler excavators, and hot sale mini excavators.all products with CE certification. we can ship directly to almost all countries, please feel free to send inquiry to us.

We value our customers and take pride in delivering a fast and friendly service with the aim of seeking long term trading relationships.

Contact us at : 

Email: office@sdxiniu.com

Whatsapp/mobile: 86-15275671228

Crawler Wheel Excavator,Small Wheel Crawler Excavator,Micro Wheel Crawler Excavator,Mini Micro Digger

SHANDONG KEN STONE HEAVY MACHINERY CO.,LTD , https://www.chinaexcavator.com

In order to achieve new breakthroughs and new developments in the market, Hon Hai Group, under the leadership of President Terry Gou, spared no effort in promoting the commercialization of new technologies in addition to active expansion in the market. Among them, the 8K images that are considered to be the leading or even influential trends in the future application market are repeated one after another, and Terry Gou continues to hang on. At the recent Hon Hai shareholders’ meeting, the 8K related products on display at the show were impressive.

Shopping Mall Escalator

Smart Elevators,Shopping Escalator,Shopping Lift Elevator,Shopping Mall Escalator

XI'AN TYPICAL ELEVATOR CO., LTD , https://www.chinaxiantypical.com

China News Service reported on July 8 that according to foreign media, Aziz, the owner of a pizza restaurant in Pakistan, said that since the introduction of the robot waitress, the restaurant business has been booming.

According to reports, the engineer who designed the robot weighing 25 kilograms said that the robot waitress can welcome the guests and send pizzas to the guests' tables. It is like a short, slender woman in a long dress and apron.

Adding a scarf to the robot's neck to avoid offending conservative customers.

He said that the restaurant is located in the town of Multan and doubled its business after using a robotic waitress in February this year.

The father of this restaurant, Gabri’s father Aziz, said that there are three other robot waitresses and plans to open a branch.

He said: "I've only sold pizza. There are other restaurant owners who want to buy a robot for me."

Industrial For Capacitive Touch Monitor

GreenTouch's industrial for capacitive Touch Monitor has good sealing performance, and has passed EMC anti-interference testing. It has excellent performance such as anti-interference, explosion-proof and anti-vibration, and can meet the requirements of IP65 and IK08 and has good optical stability and touch durability.

GreenTouch's  open frame touch monitor delivers an perfect solution that is غير مجاز مي باشدt-effective for worldwide customers requiring a reliable product .Designed with reliability from the start, deliver outstanding image clarity and light transmission with stable, drift-free operation for accurate touch responses.Precise small frame design will be completely sealed Touch Screen, so that it has dust-proof, dirt-proof and water-proof function, and make it easier for customers to install  in the cabinet. Designed and built by GreenTouch, the model has a long life cycle period and can supply long-term demands. Even if the future replacement of a new generation of LCD panels, you don't need to do external changes.This model has a global standard of agency certification with GreenTouch warranty and overall after-sale service. The industrial for capacitive touch monitor open frame touch monitor is a غير مجاز مي باشدt-effective touch solution for system integrators and value-added resellers .

Industrial Touch Monitor,Pcap Touchscreen Monitor,Industrial Touch Display,Industrial Touchscreen Monitors,Big Touchscreen Monitor

ShenZhen GreenTouch Technology Co.,Ltd , https://www.bbstouch.com

In recent years, China's hardware products industry has maintained a steady growth trend. As the world’s most populous country, it has also become the world’s largest steel producer. It has the advantage of cheap raw materials and labor غير مجاز مي باشدts for manufacturing hardware products. China has become a world hardware. One of the major exporters of the products is expected to maintain an annual growth of 10-15 in the future.

The hardware industry has been active in improving people’s living standards, improving the quality of life, continuously satisfying the people’s ever-increasing material and cultural life needs, expanding domestic and foreign market demands, and attracting labor force employment, and has played a positive role in accelerating the pace of industrialization and urbanization. enhancement.

During the “Twelfth Five-Year Plan” period, in fulfilling this grand goal of building a well-to-do society in an all-round way, we will shoulder an important historical mission. China will transform the development mode of the hardware industry to save resources, reduce consumption, protect the environment, and improve the quality of economic growth. Under the premise of benefit, we will continue to maintain orderly, healthy, and rapid growth of the industry, and strive to transform our country from a hardware manufacturing country to a hardware manufacturing powerhouse.

According to experts, the total industrial output value and industrial added value during the “12th Five-Year Plan” period will increase by approximately 10-12 years. In 2015, it will double the industry output value in previous years.

Internal Emergency Driver

Emergency LED battery pack allow the LED fixtures to meet code requirements for emergency illumination. When normal power fails, the LED emergency power supply which work in conjunction with the AC LED driver, immediately switch into emergency mode. When AC power is restored, the drivers automatically return to the charging mode including a battery. Products range to cover a variety of LED internal driver lights . 

Emergency Module With Battery Pack,Battery Backup Led Light,LED Light Emergency Kit

Jiangmen City Pengjiang District Qihui Lighting Electrical Appliances Co., Ltd , https://www.qihuilights.com

The protein of squid is not only high in content, but also of good quality. The squid has a delicious taste and has less meat and thick thorns. However, it should be noted that the squid's fish belly has white ribs on each side of the fish's abdomen. Remove it before cooking to remove odor.

Pharmacological effects

Carp is a freshwater fish and its resources are abundant. Now it is used as the main raw material for extracting eiغير مجاز مي باشدapentaenoic acid (EPA) and doغير مجاز مي باشدahexaenoic acid (DHA). The main pharmacological effects of EPA and DHA are Blood Pressure-lowering, antithrombotic, blood visغير مجاز مي باشدity reduction, and anti-ADP-induced platelet aggregation.

Indications

Spleen and stomach; Lee gas underwater; Tong milk; Main stomach pain; diarrhea; water swelling; urine unfavorable; athlete's foot; jaundice; cough reversal; fetal movement disturbed; pregnancy edema; postpartum breast milk scarce

Doغير مجاز مي باشدe

Oral: steamed soup or cooking, 100-240g. For external use: appropriate amount, burned ash, vinegar dressing.

Note: The wind and heat are careful.

Attached

1、Comprehensively swollen and full of body surface: The big carp has one head and three liters of alcohol and alcohol. Cook it, make it dry, eat it, do not use vinegar and salt, drums other things. ("When to fill the shortage")

2, governance water body swollen: squid, a great person. To head and tail and bones, only take meat, two buckets of water, one liter of red beans, and boiled fish, it is desirable to have more than two liters of juice. If you can't do it, divide it into two suits. After serving warm warmth, take advantage of the benefits, make the best. ("Wai Tai Mi Yao Fang")

3, contact edema fullness: red catfish a pound. Break open, without seeing water and salt, with five raw oysters, research not yet, people's abdomen, fire paper parcels, outside the loess mud package, put the stove within the cooked and removed, to the paper mud, for the porridge, one day exhaustion . ("Medical Summary")

4, rule on the gas cough, chest can be full of asthma: a carp. Cut it for painting, eat it with ginger vinegar and garlic. ("Dietoscope")

5, rule jaundice: a large squid (visceral, do not scale). Stir in fire and eat it in portions. ("Jilin Chinese Herbal Medicine")

6, cure carbuncle swollen: squid burned ash, vinegar and deposited. ("Thousand Gold Wings")

Each discussion

1. "Do not record": The main cough against the gas, jaundice, thirst quencher: the main edema foot full, under the gas.

2. "Theory of Pharmacy": burn ash, no, glutinous rice porridge (transfer service), cure cough.

3. "Herbal Supplements": Master fetal safety. Fetal movement, pregnant body swollen, soup food. Broken air helium gas block, horizontal cross-beam, give a thick garlic to eat it.

Antibacterial Raw C

It is a professional supplier of Antibiotic & Antibacterial Product Raw Material,Beta Cyclodextrin Powder and natural active ingredients. It has absolute advantage because of strong research strength, modern management system and high-quality marketing team.

Now we have 3 GMP standard workshop, Meanwhile, the factory is equipped with the researching and quality inspection centre, with strong technology research and development strength. We also have 3 salesdepartments over 30 people and sell our products all over the world.

For customer`s needs, OEM service is also acceptable. If you have a good idea in new product production but lack of laboratory device and human resource, we are glad to solve this problem for you. Sincerely hope to strengthen exchanges and cooperation with friends from both home and abroad.

Antibacterial Product , Antibiotic ,  API Raw Material , Beta Cyclodextrin Powder

Xi'an Henrikang Biotech Co.,Ltd , https://www.henrikangbio.com

Some time ago, the faction launched a "red envelope to steal the same as stealing red envelopes," the red envelope application, set off a climax in the circle of friends. Many people still vividly remember the old people who were in their 60s and 70s and went down to school. They all turned into "stealing the food party," and were busy eating vegetables and stealing food. However, another consequence of stealing food is that many “real” friends have “hidden themselves in rivers and lakes” since you stole his dish. It is inevitable that the factions will repeat this mistake.

After Xiao Bian tried hard, he finally found the best red envelope software. As we all know, YO8 social app is a social application that integrates social networking, online shopping, making money, and entertainment. YO8 social app is based on the topic of “net-engagement + social networking” and is committed to creating a social platform with Internet-based earning as a point of interest in the Internet environment.

In the early days, YO8 social app was using red envelopes as a hot spot to distribute various cash bonuses: registration of red envelopes, invitation of red envelopes, attention to red envelopes, gold currency red envelopes, whole-point red envelopes, music bonus red packets and other types of red envelopes, red envelopes and red envelopes. It is more meaningful and fun to play. The red envelope feature is on the line. It provides the general members with a relaxed and happy atmosphere.

At present, the YO8 social app is able to share emotions, share life, and search for new friends in the YO8 circle of friends while receiving social networking functions. Not only that, there are quite a few types of YO bars, you can choose interesting YO bars, participate in topic interaction, troubleshooting is more direct here!

On YO8, divided into 100 million in cash. YO8 integrates social networking and online banking to create a multi-functional platform that can both make money and socialize, and make money and make friends!

Weight Bridge Load Cell

GALOCE bridge type Load Cell also called Double Ended Shear Beam Load Cell with steel ball centre positioning design. 10Ton,30Ton,50Ton capacity are hot sales still. They have high accuracy and side load tolerance, stable performance, and are used for electronic truck scale, rail scale, ground scale and other weighing system.

Weight Bridge Load Cell,Load Cell Transmitter,Weighbridge Load Cell,Truck scale Load Cell

Xi'an Gavin Electronic Technology Co., Ltd , https://www.galoce-meas.com

Nowadays, smart phones are more and more convenient, and people’s demands for the Internet are getting stronger and stronger. Ever since, there have been more wireless coverage projects. When it comes to the choice of wireless AP, many people are confused. In fact, there are many side roads here. As a professional provider of wireless AP products and solutions, Feng Runda has the most say and listens to them all.

Fluidizing Bed Drying Granulator

Working Principles

The powdery materials is in fluidizing state in the container. It is first

heated and mixed by filtered hot air. Then the powder combines with atomizing

adhesive solution. After that, the prototype of granule is formed.

The moisture

in granules is evaporated, as hot air constantly heats the granules. The

adhesive is also solidified in the process of drying. The repeated drying

process finally contributes to the microporous spherical granules.

Applications

The fluidized drying granulator can be used to make tables, instant herbal

medicine and capsule in pharmaceutical industry, cocoa, coffee, milk powder,

fruit granules and flavoring in food industry, and agricultural pesticide,

feedstuff, fertilizers, pigments and dyestuff in other industries. It is also

suitable for drying of wet powder materials or wet particles.

Features

1. Granules made by our fluidized drying granulator have good dissolvability

and fluidity. So there is no dust pollution.

2. It has functions of mixing, drying and granulation.

3. Anti-static electricity filter cloth is adopted to make the fluidized drying

granulator safe to use.

4. Pressure bleeder hole is designed for security.

5. It features easy charging and discharging of materials, and it is also easy

to clean.

6. Our fluidized drying granulator conforms to the standards of GMP.

Boiling Granulation Machine,Fluidized Bed Granulation,Fluid Bed Granulator,Fluidized Drying Granulator

Jiangsu Yutong Drying Engineering Co.,Ltd , https://www.ytdryer.com

              ******The pricture and specifications are subject to change without prior notice.******

                              ******Any question, please confirm with our sales manager.******

Welcome to BOWAY

Saddle Flat Side Corner Stitcher Stapler Booklet Maker - BW-EB215

Uغير مجاز مي باشدe :
1. Booklet Saddle Stitching .
2. Booklet Flat Stitching .
3. Booklet Corner Stitching .

Specifications :

Feature :
♦ Fold and stitch in one pass,double efficiency;
♦ Easy shift between side stitch and saddle stitch and even loop stitch;
♦ Use normal 26/6 staple as consumable,low غير مجاز مي باشدt;
♦ Easy to disassemble staple plate design,easy for maintenance;
♦ Easy size adjustment,4 staple positions for diffenent paper size;
♦ Noiseless,compact,good for all kinds of users.

Trading Terms

About Shipment

After-sale Service
I. Agents Tranining

II. Warranty

We provide one-year limited warranty for all machines from the date of purchase

1. Our warranty covers only those defects which arise as a result of normal use of the product, and the bellows not apply to any:

♦       Improper or inadequate maintenance

♦       Misuغير مجاز مي باشدe and mishandling

♦       Damaged by a wrong voltage use

♦      Physical damage(for example, dropping the parts on the floor or into water, broken case, etc)

2. What is the repair, exchange & refund policy?

Exchange and refund only on big defective units (beyond repair).For buyers' used machines, we only can support repair service.

Repair: We provide free spare parts (just include the main board and motor) within the warranty period. Buyer should provide serial number and photos of defective machines, but buyer should pay the shipment charges and return us the broken parts.

Exchange: If you reported problem to us in one month on arrival of the machine, we accept the exchange. Buyer needs pay the ship back sea freight and the sea freight for new machine.

Refund: If you reported problem to us in one week on arrival of machines, we accept the refund, but we only refund you the payment after receiving the returned goods.

3. What about when one year warranty over time?

We still offer the repair service to you when the warranty time is over, even we can offer you the repair service in the whole life of machine.

4. How to support you when you purchase our machine in first time?

When you meet the problem of our machine under the situation that you are not familiar with our machines.

Do not worry, we can offer:

♦         User Manual in English

♦        Operation Video

♦         Support on-line

♦         You can send your technician to our factory to attend the skill training.

FAQ

1.What's the product range?

Post press machine,such as Perfect glue binder, paper cutter, Roll laminator, UV coator machine and

some small office equipment.

2.Are you a manufacture?

Yes, we are in Hangzhou which middle of shanghai and Ningbo

3.What is the minimum quantity for order?

5 pcs or 10000 USD for order.

4.Do you have stock product to sell?

Maybe , It's depend on which machine ,you like?

5.Do you inspect the finished products?

Yes, Each step of production products will be camed out inspection by QC department before shipping.

6.How do you ship the finished products?

By Sea

By Plane

By courier, TNT , DHL, Fedex, UPS Etc

7.What's the Payment term?

Payment term: T/T before shipment.

We accept payment via the Paypal /Western union/TT, you can choose as you like.

8.What's the delivery time?

Within 15 days after get the payment

Jar for Storage and Spice

Tall Glass Jar,Glass Jar with Glass Lid,Square Glass Jar

Jinyuanli Ceramics Manufacture Co., Ltd. , http://www.czjylceramics.com

• Model NO.: YX13.7-145.8-875

                                                                                                                                                                                                                                           

• Weight: 3000kgs

                                                                                                                                                                                                                                           

• Hydraulic Power: 1.5kw

                                                                                                                                                                                                                                           

• Effective Width: 875mm

                                                                                                                                                                                                                                           

• Material Thickness: 0.3-0.6mm

                                                                                                                                                                                                                                           

• Working Speed: 8-14m/Min

                                                                                                                                                                                                                                           

• Origin: Xiamen of China

                               

• Dimension: 5800mm*1600*1600

                                                                                                                                                                                                                                           

• Motor Power: 4kw

                                                                                                                                                                                                                                           

• Height of Roofing: 13.7mm

                                                                                                                                                                                                                                           

• Material Width: 1000mm

                                                                                                                                                                                                                                           

• Forming Steps: 12

                                                                                                                                                                                                                                           

• Trademark: XHH

                                                                                                                                                                                                                                           

• HS Code: 84552290

                                                                                                           

                                                                    Detail information of YX13.7-145.8-875 Roof Panel Machine, Metal Roofing Machine and Panel Forming Machine are as following:
Main Accessories:
(1) Main Forming Machine,
(2) 5 Tons Manual Uncoiler,
(3) PLC Computer Controlling System With Touching Screen,
(4) Hydraulic System,
(5) Hydraulic Forming Cutter,
(6) 3 Run Out Tables,
(7) Operation Instruction.

Other Gravity Casting

Private Casting Part,Cast Iron Parts,Water Pump Housing

Hoteng Machinery Co., Ltd. , http://www.nbdiecastings.com

A sliding window hardware fittings Aluminium alloy or plastic steel sliding window guides are formed directly on the window frame profile, and the pulley system is fixed at the bottom of the window frame. The sliding of the sliding window is not only dependent on the quality of the pulley system, but also related to the straightness and accuracy of the profile and the precision of the window frame installation. Dust on the track and pulley wear will also affect the sliding window switch function. The lock of the sliding window is generally a bolt type lock, and this kind of lock may fail due to a low installation accuracy, dust accumulation and the like. The handle of the sliding window is usually replaced by the switch part of the plug-type lock, but there are also high-grade sliding windows to make the sash profile an arc type and a pull-up handle.

Two hardware accessories for ordinary casement windows One of the basic accessories for casement windows is the hinge. Due to the one-way opening nature of the hinge, the hinge is always installed in the opening direction, ie, the hinge of the inner window is installed indoors, and the hinge of the outer window is installed outdoors. In order to prevent the hinge from affecting the sealing of the window, the hinge of the metal window is usually welded outside the window profile. The lock of the open window is a rotating card lock, and the handle is usually combined with the lock. Ordinary internal window locks can be simple bolts. The disadvantage of the latch is that there is no compression function of the rotary latch. The handles of the inner windows are independent and have no relation with other parts. The stopper is an essential part of the open window to prevent the wind from blowing the sash and causing a collision. However, the fixed plane formed by the two hinges and the stoppers at three points is limited in strength, and the stoppers of relatively good quality are made of copper for the purpose of preventing rust.

The concept of a three-inside-inside casement window hardware intro-inner casement window is a window that can be suspended from the inside or the inside while being opened in terms of form. But this is far more than a special way of opening windows. In fact, it is a combination of various window control functions. First of all, when the window is introverted, the purpose is to change the air. The top scissor connector acts as a stopper. When the inner plane is open, the top scissor connection is again a hinge. The bottom hinge is also an axis for inward tilting. The purpose of the inner peace is to clearly observe the scenery outside the window, and more importantly, it is easy to clean the glass. The design of windows does not consider cleaning glass as the reason why there are few clean bright windows in low-rise residential buildings in China. It can be said that the introversion casement window is a comprehensive satisfaction for people. The hardware of the inward tilt casement window includes the top shear connector, the upper corner connector, the lock, the handle, the connecting rod, the multi-point lock, the lower corner connector and the bottom axis of the inclining window, and the bottom hinge and the inner bottom shaft. This kind of hardware is suitable for wood, aluminum alloy and plastic steel windows. How to fix the connecting rod on the sash? There are two solutions. The first is to design two sets of connecting rods, one set for fixing and the other set for interlocking lock points. The second is to pre-design the sliding groove on the window frame profile. The second scheme is superior to the first scheme in terms of service life and maintenance-free performance.

Four glass curtain wall window hardware accessories Glass curtain wall and window combination is a more difficult problem. The internationally advanced curtain wall system can create a glass-like curtain wall unit with inward-inside-opening windows to achieve the airtightness, watertightness, and wind pressure rating of the entire curtain wall. The technical level and غير مجاز مي باشدt of doing so are high. At present, few companies in the country can reach this level.

Since the load-bearing structure of the glass curtain wall is generally internal, opening the window is the easiest window opening solution. However, if the hinge is used, the exposed hinge will destroy the integrity of the glass curtain wall, so there are four-bar accessories. The four-bar linkage is a substitute for the hinge, which is to use the principle of variable area under the condition that the quadrilateral side length is constant to achieve the goal of opening the window. The fixing of the four-bar linkage is on the side of the sash and the window frame. When the window is closed, the four-bar linkage is completely hidden in the window frame, which fundamentally solves the problem of hinge exposure. The only feature is the phenomenon determined by the working principle of the four-bar linkage, that is, when the window sash is opened, there will be a clear settlement of the sash center of gravity. This settlement can well prevent the wind from closing the sash, but it brings inconvenience to the installation and use of the window opener. If the form is large, the four-bar linkage will bear the weight of the sash for a long period of time, resulting in a certain decrease, which in turn causes the sash to close.

The use of multi-point locks is to increase the wind pressure resistance of the window. A plurality of cylindrical lock points are connected by a connecting rod on the sash. Under the operation of rotating the handle, the lock point slides into the lock body fixed on the window frame. Through the corner connector, all four sides of the window can be locked with one, two or more locking points. Multipoint locks have completely changed the traditional system of locking windows. This link locking solution is also used to increase the door's security rating.

Five flip window hardware fittings Ordinary flip windows Since half of the window sashes are open and the other half of the sashes are open, it is difficult to achieve the seal of the window. To achieve the same sealing effect as purely open or open windows, the غير مجاز مي باشدt of flipping the windows is relatively high. The hardware components of ordinary flip windows are mainly two rotary shafts, and are equipped with corresponding locks and handles. Internationally, there is a comprehensive hardware accessory that can be flipped 360 degrees in order to achieve a good sealing effect while also facilitating window cleaning.

6. Window Opener 1. Manual Window Opener The purpose of the manual window opener is to open a higher ventilation window through certain devices. According to the principle of the thermal effect of air, hot air and light harmful gases that should be excluded can be effectively eliminated only through high-position windows. The manual window opener generally includes five parts: an open window execution member (such as a scissor-type window opener), a corner connector, an operating member, a connecting rod, and a decorative cover plate. The window-opening actuator determines the width of the window, the weight of the window lifter, and the locking function. The corner connector is a transmission component whose deformation determines the ability of the window regulator to adapt to different window types and different installation conditions. The operating part can be in the form of a handle or a rocker. Move-in operation components are simple and غير مجاز مي باشدt-effective. The power output of the joystick-type operating parts is even and not easily damaged, and the machining accuracy is high and the غير مجاز مي باشدt is high. The manual window opener is suitable for the lower hanging inner window and the upper hanging outer window. Suspended windows must be equipped with special external accessories. From the analysis of the force of the window opener, the hinge is located at the lower part of the lower suspension and the internal window is more labor-saving. The hinge is located on the top of the upper hanging window is more difficult, in particular, we must pay attention to the use of four-bar linkage must be cautious, because the four-bar linkage in the window opening will make the center of gravity of the form a larger settlement, if the form To a certain degree of weight, the power of the window opener may not be enough to enhance the form to close the window.

2. Electric window opener The simplest electric window opener is the mechanical window opening actuator with a drive motor and a switch. There are also rack and pinion window openers and chain openers. However, from the perspective of product stability and service life, the window openers need to be dust-proof, moisture-proof and even waterproof. Dust accumulates will cause the window opener to wear out, moisture will cause the window opener to rust, and the water will short circuit the window opener. Condensation caused by changes in indoor relative humidity is often a result of poor thermal insulation of the window or changes in the indoor environment, especially in greenhouse construction. A thorough and thorough analysis and understanding of the environmental conditions used by the window opener is crucial to the choice of window drive. The internationally closed dust-proof, moisture-proof and waterproof window opener has an internal screw type window opener. The thrust of this window opener can reach 1000 Newtons, noise floor, and low power consumption. The selection of the window opener must also pay attention to its ease of installation, because the installation conditions on the construction site may be very limited.

There are currently two types of automatic window opener control systems. Greenhouse control system is based on the measured temperature, humidity, sunlight, the intensity of the wind, the value of the degree of rain, and compared with the preset value, so as to open the window and close the window control system.

The automatic smoke exhaust and heat removal system is a newly developed concept of fire protection in the world. That is, when smoke and heat are generated in a fire, the windows used for exhaust heat are automatically opened. Due to the increasingly comprehensive fire protection requirements for modern building materials, the fire resistance of the material is precisely defined in terms of flame retardancy. Therefore, in the event of a fire, smoke and harmful substances contained in it will cause more direct injury to people. Or that harmful smoke hinders active life-saving behavior and passive escape behavior. From the study of the development process of fire, it can be seen that, at the beginning of a fire, a large amount of smoke and heat energy are generated first. Smoke rises due to heat and accumulates on the upper floors of buildings. If smoke and heat cannot be expelled quickly, the temperature inside the building will rise quickly and the fire will increase. In addition, when a fire breaks out, a large amount of oxygen is consumed inside the building, causing a strong negative pressure in the building and causing the building to collapse. The fact is that a fire destroyed a building. In addition to the explosive materials in the building, it usually starts from the top and collapses inwards. The design, construction, and use of automatic smoke and heat rejection systems are linked to curtain wall companies or window production companies, weak electricity, and fire control systems. The complexity of the project is high, and the national authorities should provide qualifications, experience, and after-sales services to the manufacturers who provide the systems. Such as comprehensive evaluation and supervision to ensure the quality of the project. At present, some high-end buildings in China have used such systems.

The use of window hardware may be the use of aluminum alloys for the manufacture of windows. People have developed sliding windows. The sliding window has no problem with the stopper at all because the fixed state of the sash of the sliding window when opening and closing is substantially the same. One drawback of the sliding window is that it must have at least one fixed fan, which greatly reduces the window area: Another fatal weakness is the inability to meet hermetic and watertight requirements. Sliding window sash fixed point is the upper and lower two guides, so its wind pressure strength is also very limited. Modern buildings are increasingly demanding for energy-saving and other functions. They have strict requirements for the sealing and heat insulation of windows, airtightness and watertightness, sound insulation and wind resistance, and even the level of theft protection. In order to achieve a variety of integrated requirements, the inward-turning window, or European window, was created.

The window type on the modern glass curtain wall building is related to the fixing method of the window frame on the curtain wall. Due to the high requirements for airtightness, watertightness and wind resistance of glass curtain walls, accessories for curtain wall windows have been developed relatively independently as required.

The windows of modern buildings are not limited to human-accessible levels. Starting from the requirements of ventilation and heat removal, the height of the windows is an important factor in determining the efficiency of ventilation and heat exhaustion, and people have invented various types of window-openers.

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