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Aluminum Trolley Frame Surface baking paint Aluminum profile bending

The invention relates to an aluminum profile arc bending process, which is to cut an aluminum bar into sections of aluminum profiles after making aluminum profiles. The arc bending process comprises the following steps: (a) filling sand particles in the cavity of aluminum profiles and sealing at both ends; (b) Bend the arc in the arc bending machine to make the aluminum profile with the required radian; (c) Remove the seals at both ends and pour out the sand; (d) Put it into the frame for subsequent aging treatment and send it to the next heat treatment process to increase strength; It has the characteristics of simple process, good arc bending effect, high efficiency, low cost, good arc bending quality and high yield. Applicant: Deqing Yujin Aluminum Co., Ltd. address: No. 188, Xujia North Road, Xinshi Town, Deqing County, Huzhou City, Zhejiang Province 313200 Nationality: CN agent: Hangzhou Jiuzhou Patent Office Co., Ltd. agent: Weng Jiming. For more information, please download the full text and view it
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  • 6061

  • yurun

Equipment resources of Yurun aluminum products: 13 international advanced aluminum profile extruders, with an annual production capacity of more than 20000 tons; More complete aluminum profile precision processing equipment; More complete aluminum profile oxidation pretreatment equipment, including polishing, wire drawing, sand blasting and other equipment. Environmentally friendly anodizing production line. The total plant area is about 30000 square meters. It is a manufacturer integrating "aluminum profile extrusion, precision machining and surface treatment".

The company is located in the Yangtze River Delta with superior geographical location, leading science and technology and developed transportation in China.

Yurun aluminum products has served thousands of enterprises and is a long-term partner of many state-owned enterprises, multinational corporations and the world's top 500 companies.

Our fields include: automobile industry, aerospace, industrial automation, medical devices, home decoration, home appliance electronics and other industries.

Our advantages: we have focused on industrial aluminum profile processing for 16 years, providing customers with one-stop supporting services such as aluminum profile extrusion, processing and surface treatment, so as to save customers' worry, rest assured and inspire them to become the leading comprehensive aluminum product R & D manufacturer in the industry.

With the more and more extensive application of aluminum profile, the processing requirements of aluminum profile are higher and higher. In order to meet the requirements of people like arc modeling and arc decoration on doors and windows, it is necessary to bend the profile into arc shape according to the specified radius of curvature and direction.

In the prior art, the arc bending methods for aluminum profile are pull bending and roll bending

Both methods require that the ratio (R / L) of arc radius (R) to the thickness (L) of profile along the radius direction (R / L) - generally not less than 20. When R / L is less than 20, deformation will occur, resulting in failure to meet the requirements. Moreover, the two arc bending methods have the common problems of poor dimensional consistency and low qualification rate.

Recently, with the progress of technology, microcomputer control technology is also used in stretch bending and roll bending equipment. Although the dimensional accuracy and qualification rate have been improved to a certain extent, the dimensional consistency still remains above the centimeter level, and the processing cost is relatively high.

When the design must require that the arc R / L of the profile is less than 20, in order to bend the profile into an arc shape, foreign countries have invented a method of tensile bending or roll bending after reinforcing the profile into a solid mandrel, as shown in Fig. 1a, FIG. 1b and Fig. 1C. P is the workpiece to be bent, f is the square tube of appropriate size, s is the low melting point filler metal (such as tin), and D is the direction to be bent. In this method, the profile P is first placed in the square tube F, then filled with low melting point filler metal s, bent along the D direction, and then heated to melt the metal s, so as to bend the profile P into a shape with R / L less than 20. Obviously, this method is very complex and the processing cost is very high.


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