Custom Forged E-Type Bolt for Scraper Chain Conveyor – Mine Scraper Conveyor

• Customization: Available
• After-sales Service: No
• Warranty: No
• Model NO.: E-Type Bolt
• Certification: ISO 9001:2015
• Standard: GB
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Cast Steel
• Material Strength: High-Grade Alloy Steel
• Processing Method: Precision Forging
• Fit Accuracy: Custom Engineered Fit
• Load Capacity: Heavy-Duty Performance
• Transport Package: Steel Frame
• Specification: Q345B / NM400 / High Manganese Steel / Wear-Resist
• Trademark: Farvista
• Origin: China
• HS Code: 8431390000
• Production Capacity: 50000pieces/Year

Product Description

E-Type Bolt for Fully Mechanized Scraper Conveyor

The E-Type Bolt is a specialized high-strength fastener designed for use in fully mechanized coal mining scraper conveyors. It is used in conjunction with scraper plates and round-link chains to form a scraper chain assembly, which loops around the sprockets in a seamless, continuous cycle to transport coal efficiently.

Specification

Applications

E-type bolts are primarily used to securely fasten scraper paddles to dual-strand round-link chains in a scraper conveyor system. These systems are commonly found in longwall mining operations and other fully mechanized coal mining setups.

Features:

Precision Forged or Machined: Ensures tight tolerances and high strength.
High Tensile Strength Steel: With excellent resistance to shear and bending forces under heavy loads.
Heat Treated: For improved hardness and fatigue resistance.
Corrosion Protection: Often treated with black oxide, galvanized, or zinc-coated finishes depending on operating conditions.
Customizable Dimensions: Available in various sizes to match different scraper conveyor models (e.g., SGB420/30, SGZ764/400, SGZ1000, etc.).

Working Principle:

The E-bolt secures the scraper to the chain by passing through pre-drilled holes in the scraper and locking into the chain link, forming a rigid and reliable scraper chain. This chain then engages with the sprockets to move the scrapers along the conveyor trough, pushing coal or other mined material along the path.

Product Name	E-Type Bolt for Fully Mechanized Scraper Conveyor
Model	Customizable (matched to scraper model)
Application Equipment	Fully Mechanized Scraper Conveyor
Usage Scenario	Coal mine fully mechanized working face conveying system
Main Function	Securely fastens the scraper to the chain, ensuring stable operation of the scraper conveyor
Material	High-strength alloy steel / 40Cr / 20CrMnTi (optional)
Surface Treatment	Blackening, galvanizing, heat treatment, or as per customer request
Manufacturing Process	Forging + Precision Machining + Heat Treatment
Hardness Rating	HRC 35-45 (depending on material and process)
Connection Method	Fixed with matching nut and washer
Available Sizes	M18 / M20 / M22 / M24 / M30 (or custom sizes based on drawing)
Standards	GB (Chinese National Standard), coal mining standard, or per customer requirements
OEM Service	Available (custom processing according to drawings)
Packing	Wooden case / Steel box / Woven bag with anti-rust protection
Minimum Order Quantity	100 pieces
Origin	China

Advantages:

Reliable fastening even in harsh underground environments
Easy to install and replace during routine maintenance
Critical to maintaining the integrity and safety of the conveyor system

After Sales Service

Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.

Company Profile

Luoyang Farvista Mining Equipment Co., Ltd.

Luoyang Farvista Mining Equipment Co., Ltd. is a leading Chinese manufacturer of coal mining equipment with over 20 years of expertise. Certified with ISO 9001, we have exported many countries, offering reliable machinery backed by R&D innovation and strict quality control.

Why Choose Us?

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FAQ

Q: .Are you a manufacture company?
A: Our company is a coal mine equipment manufacturing enterprise integrating production and sales.
 
Q:How long is your delivery time?
A: The delivery time will be based on your quantity and requirements.
 
Q: When was the company founded ?
A: 1996.
 
Q: How can I contact you?
A: Online message, mail, phone.