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Profil Square Tube Aluminum Profile Kitchen Cabinet Aluminium Window Profiles

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Door and window safety design

⒈The wall thickness of aluminum profiles for doors and windows requires that the wall thickness of aluminum profiles for windows conform to the current national standard high-precision grade, and the minimum wall thickness of the stressed components is ≥1.4mm.
⒈ The force-bearing rods of doors and windows (such as the light hook of sliding window, the central column, the sliding with light, the sliding with light, the double front, etc.) must undergo strict compression calculation. Thickness should be selected by calculation according to usage conditions. The stress components of aluminum alloy doors and windows shall be determined by test or calculation.
⒉ Door and window glass safety design
(1) Selection of glass: The thickness of glass is determined by calculation and should not be less than 5mm. Safety glass (tempered glass or laminated glass) must be used for doors and windows in the following parts of the building:
(a) Opening windows outside buildings with 7 floors and above;
(b) Window glass with an area greater than 1.5 square meters;
(c) Floor-to-ceiling windows with the bottom edge of the glass less than 500mm from the final decoration surface;
(d) Sloping windows with an included angle of less than 75° from the horizontal and a sloped roof greater than 3m from the indoor floor;
(e) Framed glass doors with a glass area greater than 0.5 square meters;
(f) The frameless glass door shall be made of tempered glass with a thickness of not less than 10mm.
(2) The overlap between the glass and the notch and other matching dimensions shall comply with the provisions of Table 5 and Table 6 in "Aluminum Alloy Window" (GB/T 8479).
(3) The glass and aluminum alloy frame grooves should be in flexible contact with rubber gaskets.
⑷The glass should be subjected to mechanical edging treatment, and the mesh number of the grinding wheel should be more than 180 meshes.
⒊The selection and design of hardware accessories.
(1) When choosing hardware accessories, try to choose products with guaranteed quality. The quality grade of hardware accessories should be consistent with the quality grade of doors and windows. The structure and shape of hardware accessories should be consistent with the profiles. The color is harmonious and beautiful, the function is correct, and the operation is flexible. , Easy to install.
(2) The installation of hardware accessories should be complete, standardized, reliable and accurate. After installation, the doors and windows are beautiful in appearance, flexible and convenient to open, free from deformation, obstruction and collision.
(3) Exposed fasteners of hardware accessories should preferably use stainless steel products.
(4) Casement doors and windows and large sliding doors and windows should be closed with multiple lock points, otherwise the air tightness will be greatly reduced under the action of negative pressure difference. Considering the convenience of operation, it is best to use multi-lock point handles or actuators.
⑸ The length of the sliding brace of the casement window is generally 2/3 of the width of the window sash. If the window sash is lighter, it can be 1/2. The length of the sliding brace of the upper-hung window is generally 1/2 of the window sash.
⑹For typhoon areas and high-rise buildings to open windows, it is recommended to use sliding braces for window sash installation, and no or less hinges are used.
⒋The overlap between the sliding door and window sash and the upper and lower frame guide rails should not be less than 10mm, and safety measures such as anti-fall blocks and anti-collision blocks must be installed to prevent the sash from falling and colliding and hurting people when it is opened.
⒌The height of the lower frame of the glass window movable fan on the exterior wall of the building should not be less than 900mm from the indoor ground. Under special circumstances, if it is less than 900mm, other protective safety measures (such as adding protective railings, etc.) should be taken.
⒍The screws and bolts used for the connection and fixation of aluminum alloy doors and windows must be made of high-quality stainless steel to prevent the screws from loosening due to galvanic corrosion. Stainless steel screws should be made of machine-made threads as much as possible, and self-tapping screws should be avoided as much as possible.
⒎ Doors and windows should be reliably connected and fixed with the wall
The connection methods between doors and windows and walls mainly include steel frame connection, dovetail iron foot welding connection, dovetail iron foot connection with embedded parts, fixed steel sheet nailing connection, fixed steel sheet metal expansion bolt connection and so on. The thickness of dovetail iron feet should be ≥3mm. The thickness of the fixed steel sheet is ≥1.5mm, and the width is ≥15mm. All dovetail feet and fixed steel surfaces shall be hot-dip galvanized. The distance between the fixed points of doors and windows is generally between 300mm and 500mm, and cannot be greater than 500mm.
(1) Steel attached frame is suitable for the connection between doors and windows and various walls, with high installation accuracy and reliable connection, but the cost is high.
(2) The connection between the doors and windows and the steel structure can be welded by dovetail iron feet, and the connection between the dovetail iron feet and the steel structure can be adjusted by welding steel bars or steel angle codes.
(3) The connection between the doors and windows and the light wall should adopt the welding connection method between the dovetail iron feet and the embedded parts, and the dovetail iron feet and the embedded parts should be adjusted by welding with steel bars or steel angle codes.
⑷The connection between doors and windows and reinforced concrete walls can be connected with fixed steel sheets (or dovetail iron feet) or metal expansion bolts. When using fixed steel sheets to connect fixed doors and windows, the gap between the frame around the door and the wall and the wall should be plugged with cement mortar. Cement mortar plug joints can connect the outer frame of doors and windows to the wall firmly and reliably, and play an important role in strengthening the frame materials of doors and windows. When the gap is filled with polyurethane foam caulk or other flexible materials, the fixed steel sheet should be replaced with dovetail iron feet to ensure the reliability of the connection between doors and windows and walls.
⑸The connection between the doors and windows and the brick wall can be connected by metal expansion bolts with fixed steel sheets (or dovetail iron feet). It is strictly forbidden to use nails to fix doors and windows on brick walls. Like reinforced concrete walls, when using fixed steel sheets, the gaps should be plugged with cement mortar, and when the gaps are filled with polyurethane foam sealants or other flexible materials, they should be fixed with dovetail iron feet.

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Company Profile

Jiangyin Longkang Metal Products Co., Ltd. is located in Zhouzhuang Town, Jiangyin City - the largest aluminum extrusion profile production base. Covering an area of more than 35,000 square meters with more than 350 employees. We focus on metal customization, special-shaped aluminum profiles, aluminum profiles, aluminum tubes, rail transit series, doors and windows aluminum profiles, heat sinks, CNC processed aluminum profiles, interior decoration series, bending series, etc. We also have precision anodizing and various surface treatments, such as PVC film, wood grain, electrophoresis, powder coating, anodizing, etc. After more than 20 years of development, The company has become a modern aluminum production enterprise with perfect quality management system.

The company has the ability to develop and design molds independently, we can produce any extruded aluminum profiles according to your mechanical drawing or sample. Longkang has 10 extrusion production lines (600-3500 tons), one automatic oxidation electrophoresis production line, vertical and horizontal spraying production line per each, and a variety of advanced supporting production, processing and testing equipments. There are also CNT digital control drilling and milling machine(CNC), double head saw, hydraulic saw and punching machine in our processing workshop. The complete technological process can benefit to reduce the production turnover times for semi-finished products, to avoid the damage during transportation, improve the production efficiency, reduce the cost of production,and to ensure the quality and delivery time.

Efficiently treating our customers as partners with sincerity, specialization and satisfaction is our managerial principle. Attributed to the backup of a dedicated technical team, filled with wide and profound knowledge and practice in aluminum profile and world trade for 20 years, the company owns rich experience in product quality control and profile physical properties such as Hardness, Stretchability, Flatness, Straightness, and Tolerance etc. In line with the principle of sharing the preferential cost and joint development, the company has formed an interest community for years with its customers at home and abroad. Sincerely to build up a pleasant mutual trust, cooperative, win-win and value-added sustainable partnership is what we are achieving to grow together with you!

FAQ

Q: Can you send me the product catalog and price?
A: Leave your e-mail or other contact information, the product catalog will be provided here
The real-time price needs to confirm the specific product specifications and quantity, so the price can be calculated for you only when you provide drawings or plans, etc.

Q: Do you provide samples?
A: Yes (special customized samples need to provide drawings).

Q: What is the thickness of the anodizing? Can you do 12um?
A: Our normal thickness is about 10 um. Yes, we can do 15 microns and above.

Jiangyin Longkang Metal Products Co., Ltd. is the holding company of Wuxi High Mountain Hi-Tech Development Co., Ltd. It is located in Zhouzhuang Town, Jiangyin City - the largest aluminum extrusion profile production base. Covering an area of more than 35,000 square meters with more than 350 employees. We focus on metal customization, special-shaped aluminum profiles, aluminum profiles, aluminum tubes, rail transit series, doors and windows aluminum profiles, heat sinks, CNC processed aluminum profiles, interior decoration series, bending series, etc. We also have precision anodizing and various surface treatments, such as PVC film, wood grain, electrophoresis, powder coating, anodizing, etc. After more than 20 years of development, The company has become a modern aluminum production enterprise with perfect quality management system.

The company has the ability to develop and design molds independently, we can produce any extruded aluminum profiles according to your mechanical drawing or sample. Longkang has 10 extrusion production lines (600-3500 tons), one automatic oxidation electrophoresis production line, vertical and horizontal spraying production line per each, and a variety of advanced supporting production, processing and testing equipments. There are also CNT digital control drilling and milling machine(CNC), double head saw, hydraulic saw and punching machine in our processing workshop. The complete technological process can benefit to reduce the production turnover times for semi-finished products, to avoid the damage during transportation, improve the production efficiency, reduce the cost of production,and to ensure the quality and delivery time.

Efficiently treating our customers as partners with sincerity, specialization and satisfaction is our managerial principle. Attributed to the backup of a dedicated technical team, filled with wide and profound knowledge and practice in aluminum profile and world trade for 20 years, the company owns rich experience in product quality control and profile physical properties such as Hardness, Stretchability, Flatness, Straightness, and Tolerance etc. In line with the principle of sharing the preferential cost and joint development, the company has formed an interest community for years with its customers at home and abroad. Sincerely to build up a pleasant mutual trust, cooperative, win-win and value-added sustainable partnership is what we are achieving to grow together with you!