| Customization: | Available |
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| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
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Main Technical Data of MDF production line
| MDF Production Line | |
| Voltage | 380v/ 415v |
| Capacity | 30,000~60,000 cbm |
| Board Size | 4*8 (1220*2400) |
| Raw Material | Wood Branch, log, waste wood, sawdust and left overs |
| Control Method | PLC, CNC |
The line consists of material preparation section, fiber preparation section, glue mixing andapplying section, forming and hot-pressing section, cooling and trimming section, sanding section.
1. Material preparation section
The raw material is reduced into sized wood chip by chipper. Then the wood chip is conveyed by belt conveyer into a chip silo for temporary storing. Wood chip feed out from the chip silo, passing through swinging screen to remove small particles, mud and sand, then transported into pre-heat silo of refiner by a bucket conveyor.
2. Fiber preparation section
Wood chip in pre-heat silo is pre-heated by saturate steam, then evenly entering digester via screw feeder to cook and soften the chips, so fiber is easy to be separated. The cooked wood chip is reduced into fiber by the function of heat and mechanical movement. Then the reduced fiber is transported to dryer or cyclone by blow valve via fiber-spray-tube. Glue jetting device is set on the fiber-spray-tube. Paraffin wax adding hole is set on the defiberator-housing, it can feedback glue applying volume according to the chip volume in the refiner.
Fiber mixed with hot drying medium, is suspended in such a high-pressure and high-speed air-flow that water staying in the fiber is evaporated by the drying medium in the dryer. Then through the lower discharging-opening of cyclone, the fiber falls onto the forward-reverse belt conveyer and transported to dried-fiber-silo for temporary storage.
Spark detector is set on the drying pipe for fire extinguishing system.
3. Glue regulating and applying section
Our technique is glue applying before drying. Melt paraffin wax and other waterproof-agent are sent to the refiner, mixed evenly with the fiber by grinding and squeezing of grinding plates. Glue jets into the fiber-spray-tube under a certain pressure via pipes. The glue mist adheres to the surface of fiber by the high-speed air-flow in the pipe.
4. Forming and hot-pressing section
This section including forming, pre-pressing, mat conveying, mat cutting, hot-pressing, cooling and trimming, to produce quality board.
Dried fiber is transported at a certain speed to the upper part of forming machine (the spreader/former), then spread evenly onto annular screen-belt conveyer by spike-rolls. There is vacuum box under the screen-belt, air is sucked through the screen-belt and fiber is adhered on the screen-belt, thus forming a loose mat. Pressed by the pre-press, the loose mat is reduced into a relatively density mat, then cut into sized mat by mat-transversal-and-longitudinal saw. Transported by synchronous conveyer, acceleration belt conveyer, and fast-speed belt conveyer, the mat is carried to board loader. The cauless belt-trolley of the loader transports the mats into hot press, meanwhile, the pressed rough board is pushed out. When the cauless belt-trolley of the loader reaching its terminal point, the pressed rough board enters unloader completely, at the same time, mat reaches its position in hot-press. The mat stays on the press-platen of a hot press, then it is pressed into a certain thickness by the hot press. Meanwhile, the inner adhesive is hardened, thus a piece of fiberboard (rough board) with certain strength is produced. After pressing, the fiberboard is transported to the next section.
5. Cooling and trimming section
The board after hot pressing, passing a board-turning-cooling machine, inclined roller-conveyer, then entering transversal-longitudinal saw, is cut into size medium density fiberboard, stacking for short storing.
6. Sanding Section
The rough board is transported by forklift truck, and placed on h ydraulic lift. Pusher pushes board into feed-roller, sanding by wide-belt sander. Hardened surface is removed, and obtain required thickness and roughness. After checking, rating, stacking, packing, finally, the board is sent into ware-house for storage.
If you want to know more detail, please contact with us by email, The equipment of various specifications can be customized according to your actual special need.
Detail machine pictures, all photoes are for 100% real shooting !
3, Details of the production line
4,Finished products
5,Other similar production line and Sample show
Company Information
Qingdao Xinlihui Machinery Co., Ltd is one of the large-scale woodworking machinery manufacturer in China. The company is located in Wangtai town.
Our company is a comprehensive enterprise which is specialized in research and development, design, manufacturing, sale and service. With advanced production equipment and professional technical staff of research and development, and management. Which is formed a unique management model and the standardization of production process.
The leading products of woodworking products are CNC router, panel saw series, sanding machine series, woodworking drill machine, Pur wrapping machine, paper sticking machine, vacuum laminating machine, edge banding machine, computer engraving machine and the other series and over sixty standards. With the scientific management, unique technology, and innovative products to meet customer demands. Our products get a very high reputation from our customers at home and abroad. Our products are sold across the country and to Russia, Ukraine, Middle-East, South Africa, Southeast Asia, Central Europe and the other countries and areas. We have earned the trust of customers and our product process is in the leading level among the same industry of domestic. It creates a famous brand called "XINLIHUI" and our products sell well both at home and abroad. It is the most trusted brand to our customers.
We would like to work a new win-win development with the insight colleagues and we welcome all the new and old friends to visit our company and crest a brilliant tomorrow together.
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