In the bidding process of the door and window curtain wall, the selection of aluminum profiles has gradually been valued by the owners. Backtracking reasons: First, consumers have improved the quality requirements of the properties they purchase or use, and the development of the real estate industry has gradually improved the voice of consumers, and has the right to choose the quality of the products they purchase; The requirements for building energy conservation have been gradually improved, and the quality of doors and windows curtain wall has been passively improved. The international large-scale door and window curtain wall enterprises have entered the Chinese market, which has enabled many domestic profile enterprises to actively innovate, suitable for market demand and industry development.
Real estate procurement selection affects industry development
According to the survey statistics of the organization, the overall supply of aluminum profiles in the country is exceeding demand in 2012-2015 . Even in this context, the aluminum profile production base has changed from the largest Nanhai aluminum material town to the aluminum in Guangdong, Jiangsu, Jiangxi and Shandong. The situation of the profiles going hand in hand, of course, due to the production technology and industry support, the product quality is different.
Due to the homogenization of a single aluminum profile, the direct price competition is becoming more and more fierce, and the external system is facing the blindness of foreign system doors and windows. The cake is shrinking, and the number of foods is increasing. Many domestic profiles and even door and window enterprises are facing reform and transformation. The situation of survival.
As the upstream industry of the architectural aluminum profile industry, the choice of aluminum profiles by real estate developers directly affects the development direction of the aluminum profile industry. When the development of the real estate market tends to be rational, the increase in the overall volume slows down, and when the quality is improved, it is also the time when the aluminum profile enterprises really have the potential to develop products suitable for the consumers of the era. The aluminum profile industry is parasitic in the real estate industry and can help designers to create colorful products. Only by taking care of each other can the green ecological balance be maintained.
Aluminum profile product research and development innovation direction            Â
In recent years, the domestic aluminum profile enterprise product research and development innovation has two main directions: First, the process innovation of profile production and processing. There are two themes in production process innovation:
First, the production process is safe and environmentally friendly, such as the non-chromium treatment before the aluminum profile spraying, the fluorocarbon powder for the fluorocarbon paint, and the alkali sand in the electrophoretic oxidation profile instead of the acid sand. These treatment processes are based on the process of producing aluminum profiles for many years. Under the premise of technology, in order to respond to environmental protection policies, it is beneficial to improve production efficiency, reduce production costs, and achieve innovative scientific research results. It is understood that these new production processes have been transformed into mature productive forces in some of the high-profile profile enterprises in Guangzhou, and are used in large quantities in large-scale domestic construction projects;
Second, the profile approach innovation: In order to meet the growing consumer demand for rich spiritual and material needs, architectural aluminum profiles color has changed from silver in the 1990s and now transformed into green customized color that designers can be established based on in vitro construction The color and interior style requirements provide suppliers with any color swatches of the desired color, and suppliers can provide the same color profiles with the downstream paint suppliers.
Comprehensively, the main surface treatment methods of the main building profiles are divided into seven categories: materials (no surface treatment), oxidation, electrophoresis, powder coating, fluorocarbon baking, wood grain, composite profiles. These types of surface treatments are the most basic and most traditional surface treatment methods. In recent years, in addition to materials, almost every type of processing has its own innovations.
Under the premise of ensuring the surface treatment of weather resistance, the well-known porcelain swimming ball developed by a Japanese brand on the basis of traditional electrophoresis technology has a higher film thickness than conventional electrophoresis, and the film quality is higher than that of conventional electrophoretic paint film. The color is more full and the weather resistance is good.
In the field of powder coating, Italian wood grain spraying has also been introduced, which has better weather resistance and stronger stereoscopic effect than traditional wood grain transfer. The fluorocarbon surface is also gradually recovered from the traditional baking process, and there is no chemical gas release. The weathering fluorocarbon powder coating process is transformed. These new processes are the result of technological innovation and will be lower in cost than traditional processes.
Composite profiles are also a hundred schools of thought, a variety of insulation properties and good decorative materials combined with aluminum profiles, mainly to meet the traditional Chinese culture of wood doors and windows.
More common are solid wood and aluminum composite profiles, which are divided into aluminum-clad wood and wood-clad aluminum. The two main differences are the main force parts. The wood-clad aluminum is composited on the side of the traditional aluminum alloy profile by plastic parts or other means. The upper layer of wood or composite wood material, the hardware slot is the same as the aluminum alloy slot; and the aluminum wood is closer to the pure solid wood doors and windows, the main force and the hardware slot are located on the wooden structure.
The aluminum-clad wood profile usually seen is more expensive than the wood-clad aluminum profile. In addition, the wood of aluminum-clad wood profiles is mostly solid wood, while the wood of wood-clad aluminum profiles has both solid wood and various composite woods.
Design and development of profile structure
Another innovative direction is the design and development of profile structures. The design and development of the profile structure is based on the premise of hardware accessories, and the economical and practicality is the “ X- axis†to meet the physical properties of different airtight watertight insulation and the “ Y- axisâ€, according to different door and window opening methods. The curtain wall structure is a comprehensive consideration of the design process.
Profile structure design and development is an important aspect of the daily design work of profile enterprises. It is mainly to cope with market competition, meet the requirements of developers and door and window subcontracting units, and continuously improve and perfect existing product series to achieve higher five-sex. standard.
After nearly ten years of rapid development of the real estate market, the door and window series of profile enterprises have developed from ordinary 50 series swinging, 90 push-pull, single Mingyin frame curtain wall to various types of broken bridges, non-broken bridge doors and windows, and various types of Unitized curtain wall. Each profile company has at least 100,000 sets of molds and millions of molds. The continuous improvement of the series has improved the quality of doors and windows, and because of the lack of systematic management, it has brought a lot of waste of resources to the profile enterprises.
Profile selection can not sacrifice the performance of the entire window
Therefore, in the bidding process of the door and window curtain wall project, the selection of profiles, developer procurement managers and designers often only consider the specific requirements for the profile structure, and under the premise of meeting the various specifications of the building, the structure of the profile is considered. Economically, it is economical to decide which profile structure to choose.
From the design point of view, the door and window structure that pays too much attention to the economics of the profile is necessarily based on the premise of sacrificing the performance of the whole window. Therefore, in the series selection, the developer should choose a relatively mature system structure as the basis for bidding.
In the bidding process of the door and window curtain wall project, the selection of the aluminum profile mainly involves the above two aspects. The variety of profiles offers designers and purchasing managers more choices. It is recommended to encourage the selection of mature and stable new surface treatments, to focus on the evaluation of such surface treatment profile suppliers, to select companies with mature production experience, and Independent production technology research and development and inspection and testing capabilities of enterprises to establish long-term strategic cooperation. In the first place, it can provide feasibility for reflecting different architectural features. For aluminum profile enterprises, it is also an encouragement for innovation, which helps to curb low-price competition and contribute to the healthy development of the industry.
In the later stage of cooperation, in order to ensure the progress of the project and the delivery time of the profile, there should be clear and specific progress nodes between the developer, the subcontractor and the profile supplier to avoid the formation of a large backlog of stocks and finished products for the subcontracting units. Can effectively guarantee the profile delivery cycle.
Doors and windows are the eyes of the building, and its quality is directly related to the façade effect of the entire project and the owner's living experience. While aluminum profiles play a decisive role, while the architects have high standards for aluminum profiles, the aluminum industry will give back to the building with more ambiguous quality. Improve the quality of doors and windows.
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