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Metal foil CNC cutting and gluing direct molding additive manufacturing equipment and method

A technology of additive manufacturing and metal foil, which is applied in the field of metal foil CNC cutting and gluing direct molding additive manufacturing equipment, can solve the problems of inability to form complex shapes, limit the size of workpieces, and long printing time, so as to achieve low cost and avoid thermal cracks , The effect of short production cycle

Active Publication Date: 2021-12-14
SHENYANG AEROSPACE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first five methods are traditional methods for forming metal structural parts, and their disadvantage is that they cannot form complex shapes; while 3D printing can produce metal parts with complex shapes, but because of the high temperature melting process, pores, thermal cracks and balls will also occur. Defects such as
The printing time is very long and the efficiency is very low, for example, it takes several hours for a mug
Most metal materials have to consider oxidation and other issues, and need to be printed in a vacuum, which limits the size of the workpiece

Method used

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  • Metal foil CNC cutting and gluing direct molding additive manufacturing equipment and method
  • Metal foil CNC cutting and gluing direct molding additive manufacturing equipment and method
  • Metal foil CNC cutting and gluing direct molding additive manufacturing equipment and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0128] A metal foil CNC cutting and gluing direct molding additive manufacturing equipment, its overall structure schematic diagram is as follows figure 1 Therefore, a conveyor belt 12 is included, and the conveyor belt can control the transmission speed and circulation flow. A plurality of stainless steel plate processing tables 5 at equal distances are stuck on the conveyor belt. A laser cutting machine 2 is placed in the center of the conveyor belt. The laser cutting machine The experimental area can be passed by a conveyor belt. The laser cutting machine has a computer 1 that can be programmed or uploaded digitally. The laser cutting machine has a manipulator device 3, 6. The manipulator device includes an X axis 3 and a Y axis 6. , the X-axis and Y-axis are slidable axes, the X-axis of the manipulator has a rotatable laser beam 7, and a rotatable suction cup is placed on the side of the conveyor belt. The partial structure diagram of the device is as follows Figure 4 As ...

Embodiment 2

[0138] The device structure of the metal foil CNC cutting and gluing direct molding additive manufacturing technology in this embodiment is the same as that in Embodiment 1.

[0139] The additive manufacturing process of metal foil slices is the same as that of Example 1, the difference is that the GH4033 nickel-based superalloy metal foil is replaced with 316L stainless steel metal foil to carry out the additive manufacturing experiment of the thermos cup.

[0140] The experimental environment is the same as that of Example 1. A 316L stainless steel metal foil with a diameter of 100 mm and a thickness of 10 mm is placed in the center of the processing table, and is transported by a conveyor belt at a speed of 0.1 m / s, and is transmitted to the center of the laser cutting machine for 8 seconds. The processing route uploaded by the computer, the laser power is 10W, the scanning speed is 100mm / s, and the single-layer metal foil slice with a hollow layer is cut out for the thermos...

Embodiment 3

[0144] The device structure of the metal foil CNC cutting and gluing direct molding additive manufacturing technology in this embodiment is the same as that in Embodiment 1.

[0145] The additive manufacturing process of the metal foil slice is the same as that in Example 1, the difference is that the GH4033 nickel-based superalloy metal foil is replaced with the A356 aluminum alloy metal foil to carry out the additive manufacturing experiment of the wheel hub.

[0146] The experimental environment is the same as in Example 1. A356 aluminum alloy metal foil with a diameter of 550 mm and a thickness of 2 mm is placed in the center of the processing table, and is transported by a conveyor belt at a speed of 0.1 m / s, and is transmitted to the center of the laser cutting machine for 10 seconds. Program the processing route uploaded by the computer, the laser power is 10W, the scanning speed is 100mm / s, the hollow area of ​​the wheel hub is cut out, and the schematic diagram of the ...

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Abstract

The metal foil numerical control cutting and gluing direct forming additive manufacturing equipment and method of the present invention, the device includes a conveyor belt, the conveyor belt passes through a laser cutting machine, and a digital programming route is arranged inside, and a computer combines a manipulator to complete the cutting station. The final workpiece is sliced ​​and programmed in advance and then digitally cut to obtain special-shaped metal foil for additive manufacturing slicing. The suction cup completes the separation of waste and metal special-shaped foil, and glues to complete the lamination operation of the final metal structure. Cycle operation until the workpiece blank of the designed shape is obtained, and solidified to realize additive manufacturing. This method takes advantage of the ultra-soft characteristics of the metal foil, and under the cooperation of the mold, the metal structural parts with complex shapes are stacked layer by layer. Compared with traditional additive manufacturing, this method greatly shortens the processing process and greatly reduces costs by using lower-priced metal foils. In addition, all waste materials are recycled during the entire production process, without reaching the melting point temperature and long-term heating and molding, saving energy and reducing pollution.

Description

Technical field: [0001] The invention belongs to the technical field of additive manufacturing, and in particular relates to a metal foil numerical control cutting and gluing direct molding additive manufacturing equipment and method. Background technique: [0002] Metal foil, which has a strong deformation ability, is usually manufactured by hammer forging or rolling, and most of them are made of materials with good ductility, such as aluminum, copper, tin and gold. It is mostly used in daily life, but if it is hypothermia caused by heat radiation, metal foil can also be used to reduce heat radiation to improve symptoms. Due to its limited post-forming method, the application of metal foil in different fields is limited, such as "hand-sheared steel" made by asynchronous rolling, and its thickness can reach 20 microns. [0003] At present, the forming methods of metal structural parts are generally casting, forging, rolling, extrusion, drawing, and 3D printing. Among them,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/00B23K26/38B23K26/08B05D1/26B05C5/02B32B37/12B33Y30/00B33Y10/00B33Y40/00B33Y40/10B33Y40/20
CPCB23K26/0093B23K26/38B23K26/0884B05D1/26B05C5/0216B32B37/1284B33Y30/00B33Y10/00B33Y40/00B33Y40/10B33Y40/20Y02P70/10
Inventor 王悦王继杰王志伟农智升刘春忠马敔佟金玲杨家瑞刘兴民邓希光卢少微李壮
Owner SHENYANG AEROSPACE UNIVERSITY
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