Product Overview
Flight Bar is designed for longwall underground coal mining operations. It is manufactured for demanding working conditions involving heavy loads, abrasion, impact and continuous operation.
Manufactured by Henan Shuangzhi Machinery Equipment Co., Ltd., the Flight Bar can be supplied as a complete assembly, replacement component or customized solution according to the customer’s equipment model, drawings and operating conditions.

Key Benefits
- Heavy-duty construction for demanding underground mining environments
- Wear-resistant materials and components
- Compatible with major OEM equipment
- Custom dimensions and technical configurations available
- Quality inspection before delivery
- Technical support for product selection, installation and spare-parts identification
Applications
This product is suitable for:
- Longwall coal mining faces
- Armoured Face Conveyor (AFC) systems
- Underground conveying and material-handling systems
- High-load, high-impact and abrasive operating conditions
- Equipment maintenance, overhaul and replacement projects

Product Features
1. Reliable Structural Design
The Flight Bar is designed according to the operating load, installation space and interface requirements of the mining system. Key load-bearing components are manufactured to meet demanding underground service conditions.
2. Improved Wear Resistance
Wear-prone surfaces and components can be manufactured using suitable materials, heat treatment and wear-resistant processes according to application requirements.
3. Flexible Compatibility
We can manufacture Flight Bars according to the customer’s drawings, samples, part numbers or existing equipment model.
4. Quality Control
Each order is inspected according to the confirmed technical documentation and agreed quality requirements.
5. Custom Manufacturing Support
Customized options may include dimensions, material grade, connection type, surface treatment, branding, packaging and spare-part kits.

Flight Bar: Technical Specifications
| Parameter | Specification |
|---|---|
| Model / Part No. | SGZ630-1400+ | SZZ630-1400+ |
| Equipment Application | Longwall Mining Equipment |
| Material | 27SiMn, 40Cr, 40Mn2, 42CrMo, 45# |
| Manufacturing Process | Forging & Heat Treatment |
| Surface Treatment | Customized / As Required |
| Overall Length | 560–1335 mm |
| Net Weight | 10–93 kg |
| Chain Specification | 18×64–42×146 |
| Compatible Equipment Model | SGZ630-1400+ | SZZ630-1400+ |
| Packaging | Bundled Packaging / Customizable |
| Lead Time | To Be Confirmed per Order |
| Customization | Available |
Note
Final specifications are subject to the confirmed drawings, technical agreement and customer operating conditions.
Product Details
Optional Configurations
- Customized dimensions and interfaces
- Alternative material grades
- Wear-resistant or anti-corrosion treatment
- OEM part-number marking
- Assembly supply or individual spare-part supply
- Export-grade packaging
- Inspection reports and dimensional inspection records
Ordering Information
To recommend the correct product and prepare an accurate quotation, please provide:
- Flight Bar model, part number or product specifications
- Equipment brand and model
- Drawings, samples or clear product photos
- Required quantity
- Material and technical requirements
- Operating conditions
- Destination port or delivery address
