Name: China Customized Spring SKL Clip For Railway Manufacturers Suppliers Factory - Free Sample - GNEE RAIL
Brand: GNEE
SKU: 286038205

Spring SKL Clip For Railway

Railway Clip is used to fasten the rails to the underlying base plate together with the concrete sleeper. A variety of different types of heavy-duty clips are used to fasten the rails to the underlying baseplate or Sleeper, one common being the E Clip, which is shaped like a stubby paperclip. Another one is the SKL Tension Clamp, which is also the most widely used type all over the world. Others like KPO Clamp and Nabla Clip, also used in different situations.

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Description

Technical Parameters

Precision Manufacturing & Tolerance Control

SKL Clip Model	Dimensional Tolerance (mm)	Form Tolerance (mm/m)	Surface Roughness (Ra, μm)	Production Process	Key Tolerance Control Items	Inspection Equipment	Compliance Standards
SKL-12P	±0.05 (Wire Diameter)	≤0.2	≤0.8	Precision Cold Forming + CNC Trimming	Wire diameter uniformity; Clip curvature	Coordinate Measuring Machine (CMM)	DIN 17221, EN 13481-1
SKL-14H	±0.03 (Wire Diameter)	≤0.15	≤0.6	Forging + Precision Grinding	Limb parallelism; Bolt hole position	Optical Measuring Instrument	UIC 864, ISO 898-1
SKL-15HS	±0.04 (Wire Diameter)	≤0.18	≤0.7	Multi-stage Cold Forming + Stress Relieving	Clip opening width; End face flatness	Laser Scanner + Hardness Tester	AREMA, GB/T 24795
SKL-21U	±0.06 (Wire Diameter)	≤0.25	≤1.0	Cold Heading + Deburring	Clamping surface parallelism	Vernier Caliper + Profilometer	BS 970, NF F 500-50
SKL-3CR	±0.03 (Wire Diameter)	≤0.12	≤0.5	Precision Forging + Cryogenic Treatment	Fatigue crack resistance; Dimensional stability	Ultrasonic Flaw Detector + CMM	REACH, DIN 17221

Extreme Working Condition Adaptation & Performance Enhancement

SKL Clip Model	Adaptable Extreme Condition	Low-Temperature Performance (-40℃)	High-Temperature Performance (+80℃)	Corrosion Resistance (Neutral Salt Spray, h)	Impact Toughness (J)	Core Enhancement Technology	Applicable Railway Scenario
SKL-12AR	Arctic Cold Regions	Clamping Force Decay ≤3%	Clamping Force Decay ≤5%	≥1200	≥45	Alloy Element Optimization (Cr/Mo)	Trans-Siberian Railway; Polar Rail Lines
SKL-14DS	Desert Sandstorm Regions	Clamping Force Decay ≤4%	Clamping Force Decay ≤6%	≥1000	≥40	Anti-Sandwear Coating + Sealed Structure	Middle East Desert Railways
SKL-15TR	Tropical Humid Regions	Clamping Force Decay ≤2%	Clamping Force Decay ≤4%	≥1800	≥42	Dacromet Coating + Moisture-Proof Design	Southeast Asian Tropical Railways
SKL-21HH	Heavy-Haul + High-Vibration	Clamping Force Decay ≤5%	Clamping Force Decay ≤7%	≥1500	≥50	Thickened Limb + High-Elastic Material	Australian Heavy-Haul Coal Railways
SKL-3UR	Urban Rail + Electromagnetic Interference	Clamping Force Decay ≤3%	Clamping Force Decay ≤5%	≥800	≥38	Insulating Coating + Low-Magnetic Material	European Urban Electrified Railways

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Spring SKL Clip for Railway

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