Material Specification
High-Grade Axle Beam:
Fabricated from S355JR structural steel, providing an optimal balance of strength, flexibility, and weight.
01
Grey Cast Iron Brake Drums:
Manufactured from high-quality, wear-resistant cast iron for consistent friction characteristics and effective heat dissipation.
02
Forged Steel Spindles:
Made from 40Cr or equivalent alloy steel, precision-machined and induction-hardened to ensure lasting bearing alignment and durability.
03
Hot-Forged Camshaft & Slack Adjusters:
Constructed from durable steel to reliably transfer braking force with minimal deflection.
04
Zinc-Plated Hardware:
Critical bolts and fasteners are zinc-plated for corrosion resistance, ensuring easier disassembly during service.
05
Technical Parameters
|
Parameter Item |
Specification |
Unit |
|
Single Axle Rated Load |
8-25 |
T |
|
Brake Drum Diameter |
320-420 |
mm |
|
Brake Drum Width |
180-220 |
mm |
|
Brake Shoe Quantity |
2 (per drum) |
Shoes |
|
Brake System Pressure |
7-10 (Pneumatic) / 8-12 (Hydraulic) |
MPa |
|
Axle Beam Diameter |
159-219 |
mm |
|
Working Temperature Range |
-30 to 250 |
℃ |
|
Friction Lining Service Life |
60,000-100,000 |
km |
Product Advantages
Lower Initial Investment: Offers a significant cost advantage compared to alternative braking systems, reducing upfront capital expenditure.
Long Service Life & Easy Maintenance: The enclosed design protects components from contaminants, and worn brake shoes are simple and inexpensive to replace.
Proven Reliability & Compatibility: A universally understood technology with parts available globally, minimizing downtime and simplifying fleet management.
Effective Engine Braking Support: Well-suited for use in conjunction with engine retarders, as the enclosed drums are less susceptible to performance loss from cooling.
Primary Application Scenarios
General Freight Dry Vans and Reefers on standard regional and national routes.
Flatbed and Container Transport operating under typical highway conditions.
Livestock and Bulk Carrier Trailers where operational cost predictability is key.
Medium-Duty Dump Trailers in construction and agricultural sectors.
Services
We provide complete axle specification sheets, braking torque calculations, and OEM integration support. Our services include access to a comprehensive parts catalog for all wear components, batch order programs for fleet operators, and responsive technical assistance for maintenance queries.
FAQ
Q: How often do brake drums need to be replaced compared to brake shoes?
A: Drums typically last through 2-3 sets of brake shoe replacements, depending on operating conditions. Regular inspection for cracks or wear limits is recommended.
Q: Are these axles ready for automatic slack adjuster (ASA) installation?
A: Yes, our axles are compatible with major brands of automatic slack adjusters, which can be specified at the time of order for reduced maintenance.
Q: What is the main maintenance advantage of the drum design?
A: The primary advantage is service simplicity. The standardized components allow for quick visual inspection and straightforward shoe replacement without specialized tools in most cases.
Q: Can I upgrade an existing drum axle to a disc brake system?
A: A direct, bolt-on upgrade is generally not possible due to fundamental differences in mounting. It requires replacing the entire axle assembly, hub, and wheel ends.
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