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PU-based UV paint spraying

PU-based UV paint spraying feasibility report is well known, furniture, cabinets, wooden handicrafts manufacturers paint surface to spray painting technology mainly used in paints are usually NC, PU, PE. With the paint coating technology development and enhance consumer awareness, a new type of paint-UV paint resulting. UV paint to good environmental resistance, chemical resistance, physical injury, high sclerometer rapid drying characteristics of the broad masses of wood products were used in manufacturing enterprises. Name of solid content of paint drying time hardness NC 25% -40% 0.5 when 1H PU 40% -60% 4-6 when 2H PE 90% 2 when 3H UV 100% 3-5 seconds 4H-5H

 

 First, the application of the industry is mainly used in wooden doors, furniture, stairs, cabinets, crafts such as wood products manufacturing enterprises.

 

 Second, painting process and requirements: PU spraying white (2) → → spraying dry sanding color at the end of PU (2) → drying → spraying UV finish sanding → IR leveling → UV curing. The key factors: 1 . spraying two after the end of PU color must be thoroughly dry, otherwise, will affect the PU and the adhesion between the UV drying to be done after thorough and careful sanding, on the one hand in favor of attachment, on the other hand, the more beautiful face plate .2 . UV paint spray volume must be moderate, not too thick, or UV paint itself as a result of the reaction force will make paint layer cracking .3. leveling and UV curing time to master. infrared leveling role: ① to make paint in the work of leveling the surface of the full, so that film can achieve the best plump and fresh Ying degrees. ② make paint in the construction of non-activity when dilute agent will be issued to all in order to obtain the look and taste the paint film performance. infrared leveling After the drying process by UV, workpiece finish will be an instant-drying, which greatly by the paint drying time, so production efficiency greatly improved. a) spraying environmental requirements: It is recommended that customers武臣owned painting room, be guided by what configurations: the ground water Al-face, spray into the clean room after the wind-lim, each entrance to do together with the wind screens, in order to enter the painting room吹去people carrying dust. painting room positive pressure ventilation device, deputy press law adopted in order to effectively clean and filter. b ) finish this process can achieve the technical indicators: color brightness adhesion abrasion resistance hardness chemical transparent 5-95 degrees 5H 100% good excellent

 

 Third, the cost analysis of paint 1.UV cost: UV paint 80-100 yuan, spraying about 100-130 grams / m², UV topcoat of 8-13 million / m²; 2. Production forecast analysis: get rid of primer capacity Excluding contain, UV equipment, running at 5-10m/min, to the width of the plate-based 600mm per hour can produce about 150 m², the daily output of 1200 m². 3. Artificial Electrical unit cost analysis: According to conservative daily estimated 600 m², the monthly output of 18000 m², this technical operation of the individual, each person on the average wage of 1,000 yuan, artificial unit cost of about 0.44 yuan / m². 4. power unit cost analysis: the power consumption of 40kW machine / H, the eight-hour working day, output of 600 m², iodimetry unit cost of about 0.5 / m²; 5. machinery investment cost analysis: the machine involved: UV curing machine, one Taiwan, IR leveling machine, one Taiwan, according to customer's product specifications of different investments in machinery, about 7-11 million. 6. unit profitability analysis: UV coating decorative panel market for the 180-250 / m², the total cost of 100-130 million / m² (calculated PU paint and sheet cost), unit profit of 80-120 million / m².

 

 Fourth, analysis of market forecasts, according to related statistics, with the industry to improve the production process as well as the enhancement of environmental awareness among consumers, UV-curing coating application has its good environmental protection, curing fast, abrasion and chemical resistance , high hardness is 2 times higher than the annual pace. UV spray coating development, exacerbated by its application in more fields. UV emergence will be able to paint the application of the traditional earth-shaking changes.

author: Chenbro electronic      Published at: 2008-6-18 23:31:19