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00:13

Rock wool bracket and stacker: When the rock wool is run out on the stacker, each bracket will fold automatically to reduce the mechanical working intensity.

Times: 6

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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00:56

In July,2012, Weihua provided the whole set of flexible surface sandwich panel line to Nanjing Hongbaoli Co., Ltd., which has multiterm of top-level patent technology, such as side seal of sandwich panel, up & down surface material deviation correction centering and detecting, surface material connection and energy-saving of double-belt conveyor. The width of sandwich panel output from double belt conveyor is 1203mm (without side trimming), base on two shift daily output, every year can save the PU material of about 1.5 million, especially double belt conveyor whose heat preservation system can save 30% energy consumption for customer. The correction device of soft substrate decoiler is one of the core part of the whole production line. It can decoil smoothly for soft substrates such as kraft paper、asphalt fabric、cement mortar paper & fabric、aluminium foil and so on and then supply to double-belt conveyor to solidify.The keypoint of the correction device is to solve the problem of non-centring and correct the deflection.The precision can be controled within 2mm. This device lays the foundation for saving more material when side seal for double belt conveyor.

Times: 30

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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00:15

90 degree turning of the rock wool is used for changing the fiber direction and thus increase the adhesion strength of sandwich panel. The cross feed belt conveyor execute pulse feeding, and then enter into the shifting block system, which driven by chain and servo motor. For improving the stability of the shifting block, we adopt a set of active belt for synchronous auxiliary driving. This structure is stable when turning the rock wool, and avoids the instability phenomenon of rock wool free drop turning form that other companies adopt.

Times: 21

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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00:26

Cyclopentane storage system is mainly used for storing cyclopentane which is unloaded from tank truck and then feeding the material to foaming machine automatically. The design, operation and safety of the system strictly conforms to the TUV standard.

Times: 15

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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00:50

Roll forming machine is very important, it is used for forming outer panel, which will influence the surface quality of sandwich panel. This is one core part of the whole production line, which is one of important steps for guaranteeing the high-quality sandwich panel. The numbers of stations in roll forming machine is designed by adopting the German software COPRA in theory and then tested in practice. All the rollers after finish machining are coated by chrome which has a good adhesion by slow plating technology. The rollers are processed in numerical control machining centre in one step and grinded in the mirror grinder to improve the smooth finish. This kind of roller treatment can reduce the inner stress release and guarantee the flatness of panels during the forming period. The roll forming machine adopts the two-head type which have two sets of rollers in each side. One more profile will be formed by exchanging the former position. Roller adopts high-grade steel with thorough heat treatment and accurate processing by CNC machine tool, surface coated with chrome to increase degree of finish and hardness, so that can increase the using life. Small corrugated roller is very important, if up and down roller caity is misfit, the height of small corrugated panel on the surface is not the same, which will cause the phenomenon of refraction no uniform or even destroy the surface quality of steel panel. The roller adopts integral structure, a process in the large CNC machine with high rigidity, high intensity and high accuracy. If want to increase roof panel forming machine(optional), can adopt integral type machine frame, whose machine base and forming machine base is separate, so that can produce more profiles in future.

Times: 38

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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00:35

Auto stacker is a device used for finishing stacking single panels. Weihua has the auto stacker of manipulator turning-over type. It can avoid surface damage of panels from the conventional chuck type stackers. Auto stacker is one of the most important equipments for producing the high quality sandwich panels. The stacker is composed by high speed moving roller path; high speed conveying stopping device, roof panel turning over device, horizontal pushing stacker and conveying rollers. Roof panel turning over device can turn the panels over 180° to save the space, so that can improve the stacker efficiency. The panels after stacking will be conveyed to the packer. The characteristics of stacker: the equipment adopts pushing type and manipulator turning-over type. First, it can avoid damages from conventional chuck stacker onto the panel surface when making PU (mineral) sandwich panels with thickness of 100mm. Second, it avoids the corrugated panels flow down if the conventional chuck stacker is air leaking. The stacker of the production line adopts motor-driven disc rotated device, and is safe and reliable. The lifting roller path, clamping device and turn-over roller path can keep the state of the work piece and self-locking when the electricity and air source are cut off. This is easily to regain electricity and air or handle manually in a safe and reliable way. The stacker over-turning can change the speed smoothly through by adjusting the transducer. When moving to the preset position, it brake quickly and positioning correct. The turn-over roller path and the pushing device are smooth and reliable, and the panels are neatly stacked.

Times: 10

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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00:13

Double belt conveyor machine is the core unit for the high quality Polyurethane Sandwich panel production line. It is the third gateway to produce the high-quality composite panel. It consists of several parts 1) belt plate, 2) driving system, 3) skeleton guide rail system, 4) up and down hydraulic lock system, 5) side seal modules system, 6)bottom moulds replace system。 Up and down belt conveyors are the core units for the complete belt conveyor line. It is very important to choose raw material, design, machining and heat treatment. Our working temperature is 45 ºC -80 ºC, the foaming pressure is 3kg/cm2, especially for production the PIR and phenolic, the temperature is up to 70 ºC, what means that these belts are easy to cause creep phenomena after long time working, which will bring several problems such as belt deformation, destroy the geometrical accuracy and belt surface quality. In view of the above situation, we adopt high quality special material, complicated welding heat treatment technology, and the special two stage driving transmission design which makes the width of belt plate up to 270mm. Besides, after the finite element mechanics analysis, we increase the rigidity of belt sharply by rib added special design structure. All the above conditions ensure the rigidity, strength, weather fastness and fatigue durability, and avoid metal deformation. We adopt fine machining centers to ensure the geometric dimensions.

Times: 48

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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00:45

Cooling system is one of the most important equipment of the sandwich panel production line. It is used for those panels which just come out from the double belt and the core parts of which are not completely solidified even still in a reaction. We do this is to avoid a series of problems caused by the non-uniform heat dissipating of the sandwich panel which stack immediately. The main beams of the cooling system are all processed by gantry, and connected by bolts positioning keys. Our company’s cooling bed has the characteristics of working smoothly and good rigidity, and can load the PU panels with thickness of 200mm. It adopts servo- control system to make three panels in and out at the same time to achieve the biggest utilization rate of the cooling bed. The panels move from transition roller path to the specified position of the up cooling bed roller table by rollers. The lift goes up, and the synchronous belt transfers panels to the bottom of fork, main shaft controls panel turning 90 degree. When panels move down, first the fork make the panels turn to the cooling roller path, then the moving mechanism transfer panels away from the fork, and convey them to next process through by transition roller path.

Times: 22

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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00:08

Our production line including up decoiler and down decoiler, each decoiler has coil car, hydraulic station, decoiler body, our company has two type decoilers ,one has assist support device, the other do not has the assist support device. 1)The decoiler has two type. One type with assist support, the other without. 2)Two control type, one is using light switch ,the other is 3)Support design: The structure is more reliable than the hinged type frame, and 5Ton hydraulic can not working stable for a long time without this support design. 4)Coil drum: four pcs nest, provide 508mm and 610mm two size, when the coil inner diameters want to change into 610, can assembling the four arc plate and insure the hydraulic expand lock to insure the expand force. 5)Assistant supporter:during the production of PU continuous line, it needs to reduce the connection of steel coils, so the loading requirement of uncoiler is high. Meanwhile, in order to avoid the drooping of main shaft and off tracking of steel coil, uncoiler adopts assistant supporter to guarantee the loading of 10T coil without the deformation of main shaft. The assistant supporter of uncoiler adopts quick hinge type, operation is very convenient, so that the production line will not stop during the connection of steel coils’ends. 6)The assistant supporter of uncoiler adopts quick hinge type, operation is very convenient, so that the production line will not stop during the connection of steel coils’ends. 7)Above mentioned measures can guarantee the changing time of steel coil within 45 seconds; 8)Drive system:positive and negative rotation carry out the uncoiling and recoiling, the main shaft of uncoiler is driven by motor and reduction box to carry out the active uncoiling,and also used for recycling of unfinished production steel panel. When active uncoiling,the speed can be synchronous with production line, there is ultrasonic wave detecting for tracking the speed of main line, whole process is frequency conversion controlled; 9)Uncoiler has material pressing unit, which is fixed above with the angle 30-40°, avoid collision with up machine machine frame; 10)Lifting table:oil hydraulic motor drives lifting table move along the guide rail, the guide rail is lengthened to avoid collision of steel coil and up machine machine frame.

Times: 101

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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00:11

The tank car outside can supply the raw material which can deduce the cost. The chemical storage system has many advantages such as high precision by continuous injecting, material mixing uniform, stable performance, convenient operation, high production efficiency, etc. The tank car outside can supply the raw material which can deduce the cost. Material storage tank, cycling supply, heat exchange, temperature control unit, pipeline system, electronic control system

Times: 15

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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00:50

Feeding and filming unit has the function of conveying steel panel, the plastic film can protect the surface of steel panel to avoid scratch. Filming device adopts air expanding roller to fix the film coil (inner diameter is ∮75mm); press roller and support roller are drum type with power, which is convenient and reliable. It has the adjusting at both left and right side for the film coil, which can guarantee the position accord with steel panel, so that the filming can be flat and without bubble & gauffer. The shaft for fixing film coiling block can rotate; left and right operation is convenient.The expanding roller pull out the production line via guide railway,clamping and replacement,and ensure the operation safe when continuous producing.

Times: 22

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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00:17

WH-PU-6-40 six-components continuous high pressure foaming machine adopts online mixing model , low pressure pre-mixing and high pressure collision . With the feature of low pressure high speed cutting mixing and high pressure collision , it is the best pentane foaming machine .These six components are :1) Poly 2) ISO 3) Fire retardant : TCPP 4) Catalyst :KatA 5) Catalyst katB 6) pentane foaming agent . Every component is individually metered. Driven by magnetic coupling and variable frequency motor , the high precision pump realize close-loop flow with accurate volume and quality flowmeter (catalyst and foaming agent). It can change output flow and mixing proportion automatically . This foaming machine work on line . Pentane is harder to dissolve in Poly than 141B, so we adopt pre-mixing of low pressure high speed cutting .Materials, including Poly .fire retardant. catalyst .foaming agent , are transported to separate moving mixer by separate meterting pump . In order to improve foaming effect and make the mixed polyether fully integrated to nuclear air, we adopt one set of high-precision gas metering device, which can make mix the air and integrated Poly fully after emulsifying and high speed shearing. The output mixed polyether and ISO will go through high precision and pressure metering unit. When they reach to150 bar, they will spray together and finish complete mixing. The total set of unit adopts human-computer interface, which can display working process, various technological parameter including component flow、mixing ratio、mixed model. All the data can be sated and amended on the operating panel. There are some signal communication interfaces between electrical controlling system and production line. Once the speed of double belt changes, various material flow of foaming machine also changes as same ratio simultaneously to keep the final panel quality and realize the double belt work automatically.

Times: 28

Wuxi Weihua Machinery Co., Ltd. is a professional manufacturer which is engaged in researching and developing, manufacturing and providing service for energy saving enclosure equipment for construction. Established in 1990s, Weihua has more than 20 years’ history of development. Company covers an area of 38 thousand square meters, the construction area of workshop and office area is 28 thousand square meters. Our products cover three areas: cold forming sectional steel equipment such as color steel purlin deck floor in the construction system; sandwich panel production line; coil slitting machine, leveling machine and cut to length machine. Among them, the whole sandwich panel production line technology and pentane foaming technology have been taking the leading position in the industry. It is also the only one manufacturer which has the whole technology of sandwich panel production line. The company is committed to developing, researching and innovating new products. And its scientific and technological content and technical level have been in the leading position in the industry. Among these years, it has provided equipment for several famous projects in the world, such as the United Nations protecting atmospheric ozone layer and eliminating HCFC project, Moscow International Airport, Guangzhou Baiyun Airport, Shanghai Pudong Hongqiao Airport, Beijing Olympic Games, Shanghai World Expo and so on. Our company has passed ISO international quality management system certification and CE certification, and now we have obtained dozens of patents. It has been classified as Wuxi municipal science and technology research and development unit. All products are exported all over the world.The enterprise tenet of Weihua is to make a positive contribution to the construction of energy-saving projects continuously .

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