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The Method of Using Graphite Powder Fire-throwing Water Drilling Bead Blank

A technology for rhinestone bead blanks and graphite, applied in glass production and other directions, can solve the problems of not much improvement in rounding efficiency and ball accuracy of bead blanks, high softening and deformation of rhinestone bead blanks, and debris adhering to bead blanks, etc. Achieve the effect of improving sphericity and fire-throwing furnace efficiency, avoiding bead sticking, and high temperature stability

Active Publication Date: 2018-01-30
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The fire throwing method is very sensitive to the heating temperature. If the fire throwing temperature is high, the softening and deformation of the rhinestone bead blank will be high, and even the problems of rhinestone bead blank sticking and debris adhering to the bead blank will appear; if the fire throwing temperature is lower than the rhinestone bead blank The softening temperature, throwing efficiency and bead blank ball accuracy are not much improved compared with the room temperature throwing method

Method used

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  • The Method of Using Graphite Powder Fire-throwing Water Drilling Bead Blank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Mix 200-mesh graphite powder and non-round rhinestone beads in a certain volume ratio, add 1 volume of graphite powder and 45 volumes of rhinestone beads into the rotating metal cylinder, and the heating element on the outside of the rotating metal cylinder Under the radiation of the radiation, the graphite powder and the rhinestone bead blank are radiated and heated to a temperature of 700°C; the softened rhinestone bead blank is repeatedly rolled and moved along with the rotation of the metal tube, and the Huff line and ellipse on its surface Defects such as sphericity or surface roughness are gradually eliminated, and the sphericity is rapidly improved. The sphericity rhinestone beads and graphite powder are rolled out from the metal cylinder together, and after screening, they are divided into qualified rhinestone beads and graphite powder; the graphite powder is matched with non-round rhinestone beads again and recycled for fire throwing Production.

Embodiment 2

[0018] Mix 600-mesh graphite powder and non-round rhinestone beads in a certain volume ratio, add 3 volumes of graphite powder and 30 volumes of rhinestone beads into the rotating metal cylinder, and the heating element on the outside of the rotating metal cylinder Under the radiation of the radiation, the graphite powder and the rhinestone bead blank are radiated and heated up to a temperature of 1000°C; the softened rhinestone bead blank is repeatedly rolled and moved along with the rotation of the metal tube, and the Huff line and ellipse on its surface Defects such as sphericity or surface roughness are gradually eliminated, and the sphericity is rapidly improved. The sphericity rhinestone beads and graphite powder are rolled out from the metal cylinder together, and after screening, they are divided into qualified rhinestone beads and graphite powder; the graphite powder is matched with non-round rhinestone beads again and recycled for fire throwing Production.

Embodiment 3

[0020] Mix 400-mesh graphite powder and non-round rhinestone beads in a certain volume ratio, add 2 volumes of graphite powder and 38 volumes of rhinestone beads into the rotating metal cylinder, and the heating element on the outside of the rotating metal cylinder Under the radiation of the radiation, the graphite powder and the rhinestone bead blank are radiated and heated to a temperature of 850°C; the softened rhinestone bead blank is repeatedly turned and moved with the rotation of the metal tube, and the Huff line and ellipse on its surface Defects such as sphericity or surface roughness are gradually eliminated, and the sphericity is rapidly improved. The sphericity rhinestone beads and graphite powder are rolled out from the metal cylinder together, and after screening, they are divided into qualified rhinestone beads and graphite powder; the graphite powder is matched with non-round rhinestone beads again and recycled for fire throwing Production.

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Abstract

The invention discloses a method for performing fire polishing on diamond bead blank by utilizing graphite powder, and belongs to the technical field of processing of diamond bead blanks. The method for performing fire polishing on the diamond bead blank by utilizing graphite powder comprises uniformly mixing graphite powder and the diamond bead blank, putting in a rotating metal cylinder, heating and performing fire polishing, wherein the volume ratio of graphite powder to the diamond bead blank is (1-3):(30-45), and the heating temperature is 600-1000 DEG C. According to the method for performing fire polishing on diamond bead blank by utilizing graphite powder, when the glass the diamond bead blank is produced through a rotary fire polishing furnace, graphite powder with a specific ratio is added into the diamond bead blank, and the rounding time of the diamond bead blank is shortened and is reduced by up to almost 2 / 3 compared with original rounding time. The sphericity and the fire polishing furnace work efficiency are improved, and the method helps to effectively prevent bead blank adhesion and effectively prevent chippings from adhering to the bead blank.

Description

technical field [0001] The invention belongs to the technical field of rhinestone bead blank processing, and in particular relates to a method for fire-throwing a water drill bead blank by using graphite powder. Background technique [0002] The glass rhinestone bead blank formed by mold pressing can be in the shape of sphere, facet, etc., and the surface has defects such as the Hough line of the mold, deformation caused by mold dislocation, and surface roughness caused by pitting on the mold surface. However, the subsequent mechanical shredding of the rhinestone bead blanks requires the highest possible roundness of the rhinestone bead blanks; and with the improvement of the mechanical chopping speed and the degree of automation, the requirements for the roundness of the bead blanks are even higher. For this reason, it is necessary to trim the shape and roundness of the rhinestone bead blanks formed by the mold, that is, rounding; by rounding the shape of the rhinestone bea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B29/00
CPCY02P40/57
Inventor 程俊华赵国祥蔡树元
Owner YANCHENG INST OF TECH