[ Chinese wardrobe net ] The charm of sliding door is sliding, the quality of sliding door hardware accessories directly affects the service life and comfort of sliding door. Sliding door hardware mainly includes pulleys, pulley tracks and stop gadgets. The high-quality mobile door hardware is mainly reflected in the design and manufacturing level of its pulley system and the matching track design. There are several types of sliding doors: office partitions, balcony sliding doors, kitchen sliding doors, study sliding doors, storage room sliding doors, wardrobe sliding doors, etc.
Three main parts of the sliding door: frame, pulley, track
1. Frame material. At present, the frame materials for sliding doors on the market mainly include: carbon steel, aluminum alloy, aluminum-magnesium alloy, titanium magnesium alloy and the like. Among them, carbon steel has the lowest price and titanium magnesium alloy has the highest price.
The thickness of the frame profile is generally 1.2mm - 1.5mm, so that the sliding door can be up to 2.8 meters, and it will not be shaken and is relatively stable. If the wall thickness is less than 1.2mm, if some are only 0.8mm or 1.0mm, the maximum can only be 2m. If it is too high, it will shake and it is very easy to have problems. The thickness determines the price of the profile and the cost is relatively high, which also determines the firm performance of the sliding door.
The composition of the profile is roughly divided into two types: one is aluminum alloy and the other is plastic steel (carbon steel). Because aluminum alloy has the characteristics of light weight and high strength, it is the main material of sliding door substrate, and has gradually replaced plastic steel products. The aluminum alloy itself is divided into ordinary aluminum-magnesium alloy and aluminum-magnesium titanium-silicon alloy. Aluminum-magnesium-titanium-silicon alloy is a special material for aviation industry. It has higher strength and smaller weight. It has the advantages of oxidation resistance and corrosion resistance. It is favored by consumers, but the cost is several times that of ordinary aluminum-magnesium alloy.
2. Pulley. The most important part of the sliding door is the pulley that carries the gravity of the whole door. It is necessary to pay attention to the selection of high-quality high-strength wear-resistant nylon bushings, and the nylon surface must be very smooth and cannot have prismatic protrusions; the inner ball bracket is also high-strength nylon. The structure reduces friction and enhances the lubrication performance of the bearing; the bearing structure of the bearing is steel structure, which can effectively reduce the noise during the sliding process of the pulley, and can make the pulley need no care, enjoy light lubrication at least a dozen year.
A roller is roughly divided into two parts, one for the bearing and the other for the outer cladding of the bearing. The quality of the bearing plays a key role in the durability of the sliding door. For example, Huitailong sliding door hanging wheel bearing adopts needle roller bearing, which can maintain precise guiding, high load and smoother, and adapt to the ambient temperature between -20 °C and 120 °C.
The twin pulleys have the function of wear resistance and noise reduction. Two pulleys slide in parallel to further ensure quiet, smooth and stable push and pull. In addition, good pulleys are often designed with two anti-jump devices to ensure reliable and safe sliding of the doors. Poor pulleys often have only one anti-jump device, and even no anti-jump device. It is easy to derail when used, and it is difficult to ensure safety. 3. Tracks. The pulley guide is the core technical part of the sliding door. It must withstand repeated friction, so the guide rail must have high strength and wear resistance. The track associated with the pulley is also critical to the use of the sliding door. The track for sliding doors generally has two types of cold rolled steel rails and aluminum alloy rails.
Consumers generally think that the rails are more durable than the aluminum alloy rails. The thicker the rails, the better. It is not entirely true. High-quality sliding door hardware is the perfect combination of track and pulley, not just a single part. The track must have a perfect curvature with the pulley, followed by a material problem.
Sliding door procurement points
1. Whether the wheels are smooth, pressure-resistant, wear-resistant, safe and reliable, is the most important place to choose the cabinet door.
2. The pulley is generally made of high-strength nylon composite material with inner ball and non-drying grease, so it can be easily pushed and pulled, smooth and flexible, and has large bearing capacity, pressure resistance and wear resistance.
3. The quality of the bearing plays a key role in the durability of the sliding door. The good sliding door is made of imported light steel ball bearing.
4. The thickness of the frame profile should generally reach 1.2mm - 1.5mm, so it will not shake.
5. In the surface treatment process of the frame profile, the electrophoresis process is the best, and the alkali sand and spray paint are more likely to fade and paint.
6. Good pulleys often have two anti-jump devices to ensure reliable and safe sliding of the doors.
7. Good sliding door pulls up smoothly, no noise, no impurities, calm but light and slippery; poor pull is relatively stiff, noisy, and has a sense of jumping.
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