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Working cylinder body with changeable table top range and table top change method

A technology for working cylinders and tabletops, which is applied in the direction of additive processing, improvement of process efficiency, and additive manufacturing. It can solve the problems of wasteful powder spreading, fixed size of worktable surface, and inability to print large parts, etc., so as to save powder and have a wide range of applications. Effect

Pending Publication Date: 2017-09-15
EAST CHINA UNIV OF SCI & TECH
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  • Abstract
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  • Application Information

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Problems solved by technology

At present, SLM technology can be used abroad to manufacture metal parts such as molds, tools, and biological implants. However, the existing SLM devices generally have the following problems: the size of the work surface is fixed, and if it is a small work surface, only small parts can be printed , it is impossible to print large parts; and if it is a large work surface, although small parts and large parts can be printed at the same time, when a large work surface is used to print small parts, a lot of powder will be wasted

Method used

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  • Working cylinder body with changeable table top range and table top change method
  • Working cylinder body with changeable table top range and table top change method
  • Working cylinder body with changeable table top range and table top change method

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Embodiment Construction

[0031] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] The present invention provides a working cylinder with a variable table range, such as Figure 1-5 As shown, it includes a cylinder body 1 , a large table top working unit 2 , a small table top working unit 3 and a fixed base 4 . The following is a detailed introduction to the large table top working unit 2 and the small table top working unit 3 respectively:

[0033] (1) Large table top work unit

[0034] refer to Figure 4 , the large platform working unit 2 includes: the first lifting mechanism 2.1, the first lifting mechanism substrate 2.2, the first liftin...

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Abstract

The invention provides a working cylinder body with the changeable table top range and a table top change method. The working cylinder body with the changeable table top range comprises a cylinder main body, a large table top working unit, a small table top working unit and a fixed bottom plate seat. The large table top working unit comprises a first lifting mechanism, a first lifting mechanism base plate, a first lifting mechanism interlayer plate, a first lifting mechanism upper mounting bottom plate and a first lifting mechanism lower mounting bottom plate. The small table top working unit comprises a second lifting mechanism, a second lifting mechanism base plate, a second lifting mechanism upper top mounting flat plate, a second lifting mechanism mounting side plate and a second lifting mechanism mounting seat. The working cylinder body with the changeable table top range has the advantages that the area of a working table top can be adjusted flexibly, the working cylinder body flexibly meets the requirement for efficient printing of a small part and a large part and is wide in application range, and especially when the small part is printed, powder can be saved effectively.

Description

technical field [0001] The invention belongs to the technical field of SLM 3D printing, and in particular relates to a working cylinder with a variable table range and a method for changing the table. Background technique [0002] In 1995, the German Fraunhofer Institute for Laser Technology (Fraunhofer Institute for Laser Technology, ILT) first proposed the selective laser melting technology (Selective Laser Melting, SLM). SLM is a technology that uses the metal powder to be completely melted under the heat of the laser beam, and then formed after cooling and solidification. SLM can directly form metal parts that are close to complete density. At present, SLM technology can be used abroad to manufacture metal parts such as molds, tools, and biological implants. However, the existing SLM devices generally have the following problems: the size of the work surface is fixed, and if it is a small work surface, only small parts can be printed , it is impossible to print large pa...

Claims

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Application Information

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IPC IPC(8): B22F3/105B33Y30/00B33Y10/00
CPCB22F3/003B33Y10/00B33Y30/00B22F10/00B22F12/30B22F12/33B22F12/222B22F10/28Y02P10/25
Inventor 钱波
Owner EAST CHINA UNIV OF SCI & TECH
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