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Sand mold printing method of a rotary nozzle with different apertures

A rotary, nozzle technology, used in casting molding equipment, metal processing equipment, casting mold components, etc., can solve problems such as the inability to eliminate sawtooth effects, and achieve the effect of avoiding motion interference, improving printing efficiency, and improving printing accuracy.

Active Publication Date: 2021-10-29
HANGZHOU HIMALAYA INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the circular contour area existing in the current layer, even though the small-aperture nozzle is used for linear scanning printing, it can only reduce the printing error in the border area, and still cannot eliminate the jagged effect caused by the step error

Method used

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  • Sand mold printing method of a rotary nozzle with different apertures
  • Sand mold printing method of a rotary nozzle with different apertures
  • Sand mold printing method of a rotary nozzle with different apertures

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Experimental program
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Embodiment Construction

[0042] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0043] Embodiments of the present invention are as follows:

[0044] like figure 2 shown, 1 is N 1 The upper guide rail of the nozzle 11 in the X direction, 2 is the guide rail block of the upper guide rail 1, and 3 is N 1 The upper guide rail of the nozzle in the Y direction, 4 is the guide rail block of the guide rail 3, the lower end of the telescopic connecting rod 5 is connected to the connecting block 9, so that the connecting block 9 can move up and down in the Z direction, and the small-aperture nozzle 6 is installed on the N 1 On the nozzle 11, the connecting block 9 can move along the layering direction (Z direction), that is, the telescopic direction of the telescopic rod 5, so that the connecting block 9 can freely adjust the height to prevent contact with N during the movement. 2 The nozzle 14 interferes, the nozzle 11 is conn...

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Abstract

The present invention disclosed a sand mold printing method for rotating pores.There are two independent print heads installed in the device. One rotatable printing nozzle is equipped with several small aperture nozzles. The other straight scanned nozzle is equipped with a large pores.During the layer scanning and printing process, the outline in the area is identified. In the current printing area, the existing circular contour is printed with a rotating sprinkler to eliminate the error caused by the ladder effect.Straight scanning printing and reducing the ladder effect error, other areas use large -pores to rush straight lines to quickly print the printing efficiency.

Description

technical field [0001] The invention relates to a printing processing method in the technical field of sand mold 3D printing, in particular to a sand mold printing method for rotary nozzles with different apertures. Background technique [0002] Sand mold 3D printing technology is a new technology that is developing rapidly, and it is more and more widely used in sand mold modeling. The principle of this technology is developed from 3D printing technology, and currently mainly includes patternless casting manufacturing technology (PCM) and selective laser sintering coated sand technology (SLS). PCM moldless casting manufacturing technology is widely used. It is an array manufacturing comprehensive technology, which is mainly reflected in fast, accurate and flexible manufacturing without casting molds. It integrates CAD computer three-dimensional design, 3D printing technology and digital automation. Control technology is applied in the development and design of the organic ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C9/02B33Y10/00B33Y30/00B33Y50/02
CPCB22C9/02B33Y10/00B33Y30/00B33Y50/02
Inventor 范有赵庆洋
Owner HANGZHOU HIMALAYA INFORMATION TECH