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Low-temperature ultraviolet curing equipment

A curing equipment, UV technology, applied in printing, printing machine, surface pretreatment, etc., can solve problems such as deformation of heat-labile substrates, affecting product quality, safety accidents, etc., to eliminate substrate deformation and improve performance consistency , eliminate the effects of cyclical changes and fluctuations

Inactive Publication Date: 2010-07-14
杭州博纳特光电科技有限公司
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, plastics, paper, etc. are all heat-resistant materials, and domestic high-pressure mercury lamps with high calorific value are basically used in the field of ultraviolet curing. Material deformation, thus affecting product quality, and even lead to safety accidents

Method used

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  • Low-temperature ultraviolet curing equipment
  • Low-temperature ultraviolet curing equipment
  • Low-temperature ultraviolet curing equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0015] The low-temperature UV curing equipment uses a 15kw transformer (input voltage 380V, output voltage 2kV), a 12μF (microfarad) capacitor, and a 15kw UV lamp.

[0016] Among them, the capacitor is divided into four sub-capacity terminals of 1μF, 2μF, 3μF, and 6μF ( figure 2 A, B, C, D four terminals, 0 terminal is the common terminal), realize the use capacity of 1 ~ 12μF through different wiring methods, and realize the terminal current of the ultraviolet lamp to be adjusted within the range of 0.75 ~ 9A, so that the cured product The UV energy on the surface is 75-900mj / cm 2 The adjustment, connection and corresponding relationship between them are as follows:

[0017]

[0018] The UV curing equipment in this example can keep the ambient temperature of the object to be cured below 45°C, realize low-temperature UV curing, and ensure that the properties of the substrate and the cured layer are not affected.

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PUM

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Abstract

The invention discloses low-temperature ultraviolet curing equipment which comprises a transformer, a capacitor and a frame, wherein the frame is coiled by a mirror finished stainless steel plate and sequentially provided with a downwards opened lampshade, a light reflecting plate, an ultraviolet lamp and a stand from top to bottom; an air inlet pipe and an air outlet pipe are installed on the lampshade; fans are respectively arranged on the air inlet pipe and the air outlet pipe; and one end of the ultraviolet lamp is connected with one end of the secondary side of the transformer by the capacitor, and the other end of the ultraviolet lamp is connected with the other end of the secondary side of the transformer. The curing equipment is particularly suitable for the surface ultraviolet coating and printing of thin base materials without heat resistance, such as plastics, paper, and the like; when in use, the surface temperature of a cured material can be reduced below 45 DEG C, and the problem of deformation of the base materials at high temperature is effectively prevented.

Description

technical field [0001] The invention relates to an ultraviolet curing device, in particular to a low-temperature ultraviolet curing device used for surface ultraviolet coating and printing on non-heat-resistant substrates such as plastics and paper. Background technique [0002] In various industries such as electronics, electrical appliances, digital, advertising, and automobiles, more and more substrates such as plastics and papers are used, and the surface is coated with UV varnish or printed with UV ink, which is realized in an environmentally friendly and fast way. Surface modification and aesthetics. However, plastics, paper, etc. are all heat-resistant materials, and domestic high-pressure mercury lamps with high calorific value are basically used in the field of ultraviolet curing. Material deformation, thereby affecting product quality, and even lead to safety accidents. Contents of the invention [0003] The object of the present invention is to overcome the de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D3/06B41F23/04
Inventor 高基伟
Owner 杭州博纳特光电科技有限公司
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