Y3 Rail Clip for Crane Rail Fastening Systems

The Y3 Rail Clip is a flexible crane rail fastening assembly designed for A75 and A100 rails used in STS cranes, RTG cranes, and other heavy-duty crane track systems.

Its structure combines a Q235 welded base with a bolted upper clamping assembly and a vulcanized rubber component. The base is welded to the supporting structure, while the upper clip is secured by bolts to provide controlled rail clamping.

Glory Track supplies Y3 Rail Clips for ZPMC replacement projects and customized crane rail fastening applications. We support technical drawing review, component manufacturing, rubber vulcanization, assembly, inspection, and project-specific requirements.

Technical Specifications

Parameter	Specification
Model	Y3 Flexible rail clip
Weight	Assembly: 1.9 kg
Base Plate Material	Forged Q235 Steel
Clamping Pad Material	Weldable rail clip with vulcanized rubber pad
Bolt Tightening Force	Preload: 66 kN
Tightening Torque	200 Nm (k=0.2)
Rubber Tensile Strength	> 1.5 MPa (Post-vulcanization)
Rubber Hardness	Shore A 75
Weather Resistance	Salt fog / UV / Oil resistant
Compatible Rail	A75 / A100 / QU80

For non-standard flexible rail clips, Glory Track offers custom manufacturing tailored to rail bottom width F and special fastening requirements.

Y3 Flexible Rail Clip for A75 and A100 Rails

The Y3 Rail Clip is a flexible crane rail fastening assembly designed for A75 and A100 rails used in STS cranes, RTG cranes, and other heavy-duty crane track systems.

Key Features of the Y3 Rail Clip

The Y3 rail clip is systematically optimized in structure, material, and weather resistance for port crane operating conditions.

Vulcanized Rubber Integration

Rubber pad integrally bonded to upper cover via vulcanization; post-vulcanization tensile strength >1.5 MPa. Eliminates rubber detachment risk as a vulcanized rubber pad rail clip.

Q235 Forged Base Plate

Base plate formed by Q235 forging process as a single piece. Mechanical properties superior to ordinary castings; withstands large lateral forces from container cranes.

10-Year Weather Resistance

Rubber components resist salt spray, UV, and oil. Designed service life ≥10 years in marine port environments.

Elastic Vibration Damping

As a rubber-nosed rail clip, absorbs operational dynamic loads and allows slight thermal expansion, preventing foundation cracking caused by rigid clamping.

Dimensional Interchangeability

Installation dimensions fully compatible with ZPMC Y3 flexible rail clip. Bolt hole positions, base plate dimensions, and rubber layer thickness are identical — direct replacement without girder modification.

Full Rail Compatibility

Adapts to rail bottom width F. Compatible with A75 and A100 crane rails (DIN 536 standard), covering mainstream port crane tracks.

Manufacturing Capabilities & Technical Support

As a specialized rail fastening manufacturer, Glory Track maintains complete in-house capabilities from forging and vulcanization to precision machining — providing stable delivery and full-process technical support for the Y3 rail clip, not merely trading supply.

FORGING
In-house Forging Production Line
Q235 base plate forged as a single piece. Surface free of folds, cracks, or other defects; sharp edges rounded; mechanical properties and dimensional tolerances meet drawing requirements.

CNC
Precision Machining & Tolerance Control
Machined strictly to ZPMC standard Y3 flexible rail clip drawing tolerances. Bolt hole positions, base plate dimensions, and rubber layer thickness match original components.

CUSTOM
Customization Capability
Adapt to different rails by bottom width F; marking position on clip cover replaceable with customer or Glory Track branding; custom special specifications supported.

SUPPORT
Technical Support
Drawing review, installation guidance, torque specifications (66 kN / 200 N·m), and post-tightening nut painting anti-loosening instructions provided. Traceable procedures.

Y3 flexible rail clip Applications

STS / RTG Container Cranes

Elastic fixing for ship-to-shore and rubber-tired gantry crane travel rails, absorbing lateral operational forces.

Trolley Rail Systems

Various crane trolley rail system accessories; restrains creep and accommodates thermal expansion.

Port Gantry Cranes / Loaders

Port portal cranes, loading bridges, and other rail fixing scenarios; salt spray and oil resistant.

Frequently Asked Questions

Q1.What Is a Flexible Rail Clip, and How Does It Differ from a Rigid Rail Clamp?

A flexible rail clip (e.g., Y3) features vulcanized rubber components that absorb vibration and allow slight thermal expansion of the rail. A rigid clamp completely locks the rail, which can cause foundation cracking. The Y3, as a rubber-nosed rail clip, restrains creep while providing elastic buffering.

Q2.What Bolts and Tightening Torque Are Recommended for Installing the Y3 Rail Clip?

Recommended bolt: GB5783-86 M16×40 (Grade 8.8). Recommended nut: ZN6177.1-SLFT M16 (Grade 8, No.2). Target preload: 66 kN. Recommended torque: 200 N·m (k=0.2). Paint nut after tightening (no gap) for anti-loosening.

Q3. Can the Marking on the Rail Clip Cover Be Customized?

Yes. Glory Track can customize this marking position with customer or proprietary branding while maintaining the same frame and groove process.

Q4. Does Glory Track Support Custom or Non-Standard Specifications?

Yes. Glory Track has complete forging, vulcanization, and precision machining capabilities. We can adapt to different rails by bottom width F and support custom manufacturing of special-specification flexible rail clips. Submit your technical requirements for a customized solution and quote.