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Casting deformation adjusting method

An adjustment method and casting technology, applied in the field of pressure processing, can solve problems such as waste, unfavorable cost control, and slow flow rate at the opening end of profiles, and achieve the effects of convenient operation, mechanization and automation, and high production efficiency

Inactive Publication Date: 2014-11-05
WUXI WEIHAIDA MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in production, as the extrusion process progresses, the aluminum rod in the extrusion barrel changes from long to short, and the friction force decreases continuously, which will cause the flow velocity at the open end of the profile to be faster or slower: when it is faster, the profile will open, and when it is slower At this time, the profile will be closed, resulting in a piece of material that is opened and closed at the same time or closed and opened at the same time, and this kind of material that is opened and closed at the same time cannot be shaped, so once the opening exceeds the tolerance, it can only be scrapped, which is a serious waste. Very unfavorable for cost control of production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Heat the mold in the mold furnace to a temperature of 520-580°C;

[0018] (2) Evenly heat the aluminum rod in the rod furnace to a temperature of 475-485°C;

[0019] (3) Install the online shaping device matching the profile to be shaped at the discharge port, and make rough adjustments to its center line;

[0020] (4) Put the uniformly heated mold into the electromagnetic forming machine, and apply lubricating powder on the mold hole;

[0021] (5) Put the heated aluminum rod into the inner cavity of the electromagnetic forming machine, and carry out electrification forming;

[0022] (6) Finely adjust the center position of the online shaping device so that the profile can pass through the online shaping device smoothly;

[0023] (7) After the profile passes through the online shaping device for 1.1-1.3m, when the profile is also formed, start the switch, close the online shaping device, and adjust the pressing force;

[0024] (8) After the profile extrusion is f...

Embodiment 2

[0026] (1) Heat the mold in a mold furnace to a temperature of 530-570°C;

[0027] (2) Heat the aluminum rod evenly in the rod furnace to a temperature of 470-480°C;

[0028] (3) Install the online shaping device matching the profile to be shaped at the discharge port, and make rough adjustments to its center line;

[0029] (4) Put the uniformly heated mold into the electromagnetic forming machine, and apply lubricating powder on the mold hole;

[0030] (5) Put the heated aluminum rod into the inner cavity of the electromagnetic forming machine, and carry out electrification forming;

[0031] (6) Finely adjust the center position of the online shaping device so that the profile can pass through the online shaping device smoothly;

[0032] (7) After the profile passes through the online shaping device for 1.1-1.2m, when the profile is also formed, start the switch, close the online shaping device, and adjust the pressing force;

[0033] (8) After the profile extrusion is fin...

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PUM

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Abstract

The invention provides a casting deformation adjusting method. The method includes 1, heating a die in a die furnace until the temperature ranges from 500 to 600 DEG C; 2, heating an aluminum rod evenly in a rod furnace until the temperature ranges from 470 to 490 DEG C; 3, mounting an online shaping device matching with the profile to be shaped at the discharging port, and roughly adjusting the central line; 4, mounting the evenly-heated die into an electromagnetic forming machine, and arranging lubrication powder on die holes; 5, arranging the heated aluminum rod into the inner cavity of the electromagnetic forming machine, and powering on the electromagnetic forming machine for forming. The method has the advantages that process steps are simple, operation is facilitated, cost investment is reduced, shaping is performed on two directions and two faces, the opened and closed opening profile is adjusted till being normal, and the method is adaptive to opening profiles with large sections, profiles with complex sections and thin profiles prone to deformation.

Description

technical field [0001] The invention relates to a casting deformation adjustment method, which belongs to the technical field of pressure processing. Background technique [0002] In the face of difficult openings, cantilevers and other similar sections, many aluminum profile manufacturers are hesitant. The main reason is that the cantilever is difficult, the opening is often on the outer ring of the mold center, and the unilateral pressure at the end of the profile opening is small. , it is necessary to reduce the friction force and shorten the length of the working belt, so that when the profile is just out of the die hole, the mold will not be blocked due to local too fast or too slow, and the material cannot be discharged normally. However, in production, as the extrusion process progresses, the aluminum rod in the extrusion barrel changes from long to short, and the friction force decreases continuously, which will cause the flow velocity at the open end of the profile ...

Claims

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Application Information

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IPC IPC(8): B21D26/14
Inventor 黄铁军
Owner WUXI WEIHAIDA MACHINERY MFG