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Home » News » Blog » Copper vapor laser engraving machine 50w 60w power laser tube manufacturing method

Copper vapor laser engraving machine 50w 60w power laser tube manufacturing method

Views:0     Author:Site Editor     Publish Time: 2019-01-05      Origin:Site

A copper vapor laser engraving machine 50w 60w power laser tube comprising a vacuum sealed glass envelope, a pair of electrodes, a ceramic discharge channel, a thermal insulator and a copper vapor source, the copper vapor source comprising a plurality of independent copper vapor generating units, each independently The copper vapor generating unit consists of two parts of the same structure, each part consisting of a copper ring sandwiched between an equal length inner molybdenum sleeve and an outer molybdenum sleeve, said inner molybdenum sleeve and outer molybdenum sleeve on the wall of the cylinder Having a row of opposite small holes, the outer diameter of the outer molybdenum cylinder is equal to the outer diameter of the ceramic discharge passage, the inner diameter of the inner molybdenum cylinder is equal to the inner diameter of the ceramic discharge passage, and the inner diameter and the outer molybdenum cylinder are A ceramic tube of equal outer diameter connects the two parts together, and a gap is also formed between the two molybdenum sleeves in the axial direction, and then a plurality of independent copper vapor generating units respectively pass through the respective ceramic tubes and discharge ceramic passages at both ends The seals are connected in series. The invention has the characteristics of high efficiency and long life.The core of the copper vapor laser engraving machine 50w 60w power laser tube is a copper vapor laser engraving machine 50w 60w power laser tube. The copper vapor in the laser engraving machine 50w 60w power laser tube generates a copper vapor laser under the excitation of high frequency and high voltage fast discharge, and a device for generating a laser activating medium copper vapor in the copper vapor laser engraving machine 50w 60w power laser tube. The copper vapor source is copper vapor. An important part of the laser engraving machine 50w 60w power laser tube.The copper vapor source of the existing copper vapor laser engraving machine 50w 60w power laser tube is formed by placing a copper block or a copper ring on the inner wall of the discharge channel, as shown in FIG. The utility model comprises a vacuum sealed glass casing 1, a pair of electrodes 2, a ceramic discharge channel, a ceramic tube 3, a thermal insulator 4 and a copper vapor source, a copper block 5. After the laser engraving machine 50w 60w power laser tube is working, the discharge in the buffer gas helium gas transfers the energy to the ceramic tube. As the temperature of the ceramic tube increases, the temperature of the copper block also rises until melting, gasification, and production. Copper vapor required. The copper vapor source has the disadvantages of short copper source life and easy diffusion of copper vapor to the cold end behind the electrode, which condenses on the laser output window and stains it, thereby reducing the laser output and making the effective life of the discharge tube only About 300 hours. A copper vapor laser engraving machine 50w 60w power laser tube that causes the generation and recovery of copper vapor in the laser engraving machine 50w 60w power laser tube to follow the rise and fall of the temperature of the discharge channel wall, and does not diffuse to the glass exit window at the two ends of the electrode, thereby greatly reducing contamination. The copper vapor laser engraving machine 50w 60w power laser tube is characterized by high efficiency and long life.

A copper vapor laser engraving machine 50w 60w power laser tube comprising a vacuum sealed glass envelope, a pair of electrodes, a ceramic discharge channel, a thermal insulator and a copper vapor source, characterized in that the copper vapor source is composed of a plurality of independent copper vapor generating units The structure of each copper steam generating unit is divided into two parts, each part consisting of a copper ring between the inner key sleeve of equal length and the outer key sleeve, and the inner key sleeve and the outer key sleeve are on the wall of the cylinder The cloth has a row of opposite small holes, the outer diameter of the outer key cylinder is equal to the outer diameter of the ceramic discharge channel, the inner diameter of the inner key cylinder is equal to the inner diameter of the ceramic discharge channel, and the inner diameter is equal to the outer diameter of the outer key cylinder. The ceramic tube connects the two parts together, and a gap is formed between the axial portions of the two parts of the key sleeve; then a plurality of copper vapor generating units are respectively sealed and connected to the ceramic discharge channel through the respective ceramic tubes to form a complete Discharge channel. The gap between the axial directions of the two portions of the single copper steam generating unit is greater than or equal to the wall thickness of the ceramic discharge channel.

The number of individual copper vapor generating units in the entire copper vapor laser engraving machine 50w 60w power laser tube depends on the length of the laser engraving machine 50w 60w power laser tube, and the spacing between individual copper vapor generating units is 120 mm to 140 mm.The technical effects of the present invention are as follows: the advantage of the copper vapor laser engraving machine 50w 60w power laser tube of the invention is that as the temperature of the discharge channel is adjusted, the opening rate of the corresponding hole of the inner and outer key cylinders of the copper vapor which is released or recondensed to the discharge channel is automatically adjusted, thereby not only enabling copper steam The source stably generates and releases copper vapor under normal working conditions, normal working temperature); and, during the startup or shutdown process, the opening of the molten copper is automatically adjusted by the small holes in the inner and outer key cylinders as the temperature of the discharge channel rises and falls. The rate, especially when the temperature drops after shutdown, can better condense the copper vapor to the wall of the ceramic tube 4 in the gap between the solid copper ring or the two-part key sleeve, so that the copper vapor does not run out of the discharge channel, The electrode and the light-emitting glass window greatly extend the service life of the copper vapor laser discharge tube. Experiments have shown that the life of the copper vapor laser discharge tube of the present invention is extended to more than 1500 hours.The discharge tube comprises a vacuum sealed glass envelope 1, a pair of electrodes 2, a ceramic discharge channel 3, a thermal insulator 7 and a copper vapor source composed of a plurality of independent copper vapor generating units, the copper vapor source comprising a plurality of Independent copper steam generating unit, each independent copper steam generating unit comprises two parts of the same structure, each part consisting of a copper ring 6 sandwiched between an inner key sleeve of equal length and an outer key sleeve 5, said inner key The sleeve wall of the sleeve and the outer key sleeve has a row of opposite small holes, the outer diameter of the outer key cylinder is equal to the outer diameter of the ceramic discharge passage 3, and the inner diameter of the inner key cylinder and the ceramic discharge The inner diameter of the passage 3 is equal, and the ceramic tube 4 having an inner diameter equal to the outer diameter of the outer key cylinder connects the two portions to the discharge ceramic passages 3 at the left and right ends, respectively. The gap, the size of the gap is slightly larger than the wall thickness of the paving ceramic passage, so that a plurality of independent copper vapor generating units of the same structure are respectively sealed with the ceramic discharge passage 3 through the respective ceramic tubes 4 to form an integral discharge. aisle.The gap between the axial directions of the two key cylinders is slightly larger than the wall thickness of the channel (for example, >3 mm), and the copper vapor generating unit is arranged along the axial direction of the discharge tube channel to form a copper vapor source of the laser engraving machine 50w 60w power laser tube, and the number is regarded as a laser engraving machine 50w 60w power laser tube discharge. The length of the channel is usually 3 to 6. This embodiment includes four independent copper vapor generating units. The distance between the two independent copper vapor generating units is 130_, and the ceramic discharge channel is filled with high-purity helium. The ceramic discharge channel heats the copper ring 6 by means of the heat generated by the glow discharge of the crucible to melt and evaporate it, thereby forming an activation medium, a copper vapor, necessary for generating the laser. The copper vapor generated by the molten copper ring 6 flows into the ceramic discharge channel 3 when it penetrates through the corresponding small holes in the inner and outer key cylinder walls. Under normal operating conditions, the temperature of the inner wall of the ceramic discharge channel 3 causes the molten copper to enter the ceramic discharge channel from the small hole of the inner key cylinder in the form of vapor through the opposite small holes in the inner and outer key cylinder walls, when the power is turned off or the input discharge is lowered. At the time of power, the temperature of the ceramic discharge channel is lowered, and the copper vapor is partially condensed on the inner wall of the ceramic tube 4 which is partially condensed in the gap between the two key cylinders, and partly through the capillary effect from the small hole of the outer key wall and the small hole of the inner key wall Directly flow back to the copper ring 6 to condense, so as not to flow out the copper vapor source and the discharge channel. Thus, during the startup, operation and shutdown of the laser, each independent copper vapor generating unit will be in the discharge channel as the temperature of the discharge channel fluctuates. The copper vapor required to operate the laser engraving machine 50w 60w power laser tube is automatically generated and condensed. The advantage of the copper vapor source of the present invention is that as the temperature of the discharge channel is adjusted, the opening rate of the inner and outer key cylinder apertures that release or recondense the copper vapor to the discharge channel is automatically adjusted, thereby enabling the copper vapor source to The copper vapor is stably generated and released in the normal working state (ie, the normal working temperature), and the opening of the molten copper is automatically adjusted by the small holes in the wall of the inner and outer key cylinders during the startup or shutdown process. The rate, especially when shutting down, can better re-condense the copper to the wall of the ceramic tube 4 in the gap between the solid copper ring or the double key sleeve, without causing the copper vapor to run toward the electrode at the two ends of the channel and the window of the light-emitting glass. Thus, the effective life of the copper vapor source and the discharge channel and the cleanliness of the light exit window are greatly extended.         Experiments in the examples of the present invention show that the life of a 10 watt air-cooled copper vapor laser engraving machine 50w 60w power laser tube is extended to more than 1500 hours.

A copper vapor laser engraving machine 50w 60w power laser tube comprising a vacuum sealed glass envelope, a pair of electrodes, a ceramic discharge channel, a thermal insulator and a copper vapor source, wherein the copper vapor source is comprised of a plurality of individual copper vapor generating units, a single The copper vapor generating unit is composed of two parts of the same structure, each part consisting of a copper ring sandwiched between the inner key sleeve of equal length and the outer key sleeve, and the inner wall of the inner key sleeve and the outer key sleeve There is a row of opposite small holes, the outer diameter of the outer key cylinder is equal to the outer diameter of the ceramic discharge channel, and the inner diameter of the inner key cylinder is equal to the inner diameter of the ceramic discharge channel, and is composed of an inner diameter and a foreign key. The ceramic tube having the same outer diameter of the barrel connects the two parts together, and the two parts of the key sleeve are further provided with a gap between the axial directions, and then the plurality of copper vapor generating units are respectively discharged to the ceramic through the respective ceramic tubes. The channel seals are connected in series.2. A copper vapor laser engraving machine 50w 60w power laser tube according to claim 1 wherein the gap between the axial portions of the two portions of the single independent copper vapor generating unit is greater than or equal to the wall thickness of the ceramic discharge channel.The copper vapor laser engraving machine 50w 60w power laser tube according to claim 1, wherein the number of the copper vapor generating units is determined by the length of the ceramic discharge channel, and the plurality of copper vapor generating units are arranged in a ceramic discharge between the two electrodes. Within the channel, the spacing between the two copper vapor generating units is 120 mm to 140 mm.


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