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Gantry type 3D printing device based on high-precision arc rack

A curved rack and 3D printing technology, applied in the field of 3D printing, can solve the problems of low precision, backlash, lag, etc.

Inactive Publication Date: 2016-01-27
WUHAN GUOMAO LIANDONG SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the three-way motion mechanism of mainstream 3D printers is mainly based on synchronous belts and involute racks. These parts are easy to purchase, but the precision is not high during the transmission process, and there is a return gap, which is prone to hysteresis.

Method used

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  • Gantry type 3D printing device based on high-precision arc rack
  • Gantry type 3D printing device based on high-precision arc rack
  • Gantry type 3D printing device based on high-precision arc rack

Examples

Experimental program
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Embodiment Construction

[0023] Such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, a gantry-type 3D printing device based on a high-precision arc-shaped rack mainly includes a housing, a vertical lifting mechanism, a gantry-type walking mechanism, and a wire-feeding printing mechanism. The vertical lifting mechanism and the gantry-type walking mechanism are connected to the On the shell, the wire feeding printing mechanism is connected to the gantry type traveling mechanism.

[0024] Described vertical lifting mechanism is made up of first motor 6, screw mandrel 4, screw mandrel cover 5, column 2, bearing 3, platform 7, and first motor 6 is fixed on the bottom of shell 1, and first motor 6 and screw mandrel 4 connection, the column 2 is fixedly connected with the upper and lower surfaces of the casing 1, the platform 7 is connected to the column 2 through the bearing 3, and the screw sleeve 5 is fixedly connected with the platform 7.

[0025] Descr...

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Abstract

The invention discloses a gantry type 3D printing device based on a high-precision arc rack. The gantry type 3D printing device mainly comprises a shell, a vertical lifting mechanism, a gantry type walking mechanism and a wire feed printing mechanism. The vertical lifting mechanism and the gantry type walking mechanism are connected to the shell. The wire feed printing mechanism is connected to the gantry type walking mechanism. During work, a screw rod is driven by a first motor to rotate, the screw rod is matched with a screw rod sleeve so that a platform can move vertically under supporting of stand columns; a second motor drives a second sliding block and a first sliding block to move through the high-precision arc rack; a third motor drives a third sliding block to move on a third linear guide rail through the high-precision arc rack; and therefore the wire feed printing mechanism moves in the horizontal plane and completes printing under the coordination of a wire feed motor and a printing head.

Description

technical field [0001] The invention relates to the field of 3D printing, in particular to a gantry-type 3D printing device based on a high-precision curved rack. Background technique [0002] 3D printing is an emerging development trend in the manufacturing industry. The current industrialization of 3D printing equipment is low. The fundamental reason is that it is affected by the printing accuracy and printing speed. There are many factors that affect the accuracy, mainly including: forming principle, material, nozzle diameter, Control program, transmission accuracy, etc. In terms of transmission, the 3D printing process needs to use a three-way movement (X, Y, Z three movement directions) mechanism, and the transmission accuracy has a great influence on the overall accuracy. At present, the three-way motion mechanism of mainstream 3D printers is mainly based on timing belts and involute racks. These parts are easy to purchase, but the precision is not high during the tra...

Claims

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Application Information

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IPC IPC(8): B29C67/00B33Y30/00
Inventor 吴林罗嗣铭杨婷婷
Owner WUHAN GUOMAO LIANDONG SCI & TECH CO LTD
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