GNEE RAILWAY RAILWAY Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of skl series elastic clamp track fastening system in China, also supports customized service with low price. Please feel free to buy cheap skl series elastic clamp track fastening system made in China here from our factory.
Product Introduction
SKL series elastic clip rail fastening system is an important component used to connect rails and sleepers in railway tracks.
Component composition
SKL spring bar: It is the core component of the fastening system. It is usually made of spring steel and provides elastic buckling pressure. Common spring bars include SKL3, SKL12, SKL14 and other models. Different models vary in size, elastic range and buckling pressure.
Rail pad: It is located between the rail and the sleeper. It is used to disperse the pressure from the rail, provide certain elasticity and insulation performance, and protect the sleeper surface from wear.
Spiral spikes or bolts: It is used to fix rail pads, spring bars and other components on the sleeper to ensure the stability of the entire fastening system.
| SKL tension clip | Ss35 screw spike | Flat washer | Plastic dowel | Guide plate | Rail pad | |
| Pieces required | 2 | 2 | 2 | 2 | 2 | 1 |
| Material | 60Si2CrA, 60Si2CrA, 38Si7 | Grade 4.6: Q235; Grade 5.6: 35# Grade 8.8: 45# | Q235 | HDPE, Reinforced Nylon 66 (PA66) | Reinforced Nylon 66 (PA66) | EVA, or rubber |
| Size | skl1,skl3,skl12,skl14 | M24×150mm | Uls7 | For different sizes of screw spike | UIC54, UIC60, 50kg rail, 60kg rail, and other sizes as ordered | |
| NOTE | Hardness: 42-47HRC 5 millions cycles without breaking. Standard: DIN17221, GB/T1222 | Standard: ISO898-1, UIC864-1 and NF F500-50 | Standard: EN10025, EN10139 | To insert into concrete sleeper | Customized products available. | |
Flat washers and nuts: Flat washers are placed between nuts and connected parts to increase the contact area, evenly disperse the pressure, and prevent the nuts from loosening; nuts are used to tighten spiral spikes or bolts to make the spring bars produce buckling pressure.
Plastic sleeve: It is generally installed in the screw hole of the sleeper to protect the screw hole, provide insulation, and facilitate installation and removal.
Gauge block or guide plate: Gauge block is used to maintain the gauge of rails and ensure that the distance between rails meets the design requirements; guide plate guides and positions rails to prevent lateral movement of rails.
Working principle
SKL series elastic clip rail fastening system mainly relies on the elastic deformation of spring bars to achieve rail fastening and buffering. When the spring bar is installed between the rail and the sleeper, the spring bar is elastically deformed by tightening the bolts or spikes, thereby applying a downward buckling pressure to the rail and firmly fixing the rail on the sleeper. During the operation of the train, the vertical force, lateral force and longitudinal force generated by the wheel on the rail are transmitted to the spring bar and other components through the rail. The elastic deformation of the spring bar can absorb and buffer these forces, reduce the vibration and wear of the track components, and keep the position of the rail stable to ensure that the gauge remains unchanged.
Product Packaging & Delivery
Integration of compartmented plastic boxes + blister trays: small special-shaped fasteners are placed in compartmented plastic boxes with lids according to specifications, and anti-static flannel cloth is laid inside the boxes. Multiple compartmented boxes are arranged in a customized blister tray, and slots are designed at the bottom and sides of the tray to ensure that the compartmented boxes are fixed. The blister tray filled with compartmented boxes is placed in a carton, and the gaps in the box are filled with foam boards. After sealing the box, a product list label is affixed to facilitate customs inspection and customer inventory.
As a professional service provider in the field of international trade of railway fasteners, GNEE RAILWAY RAILWAY is committed to providing global customers with a high-quality purchasing experience. We have integrated high-quality manufacturing resources at home and abroad, and our products cover all kinds of standard parts and special parts required for railway construction. We have innovatively established a digital supply chain management system to achieve visualization of the entire process from order processing to logistics distribution. We are equipped with a professional product testing center to conduct strict sampling inspection on each batch of goods.
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