Cast Iron Brake Drum

Cast Iron Brake Drum Specification

Sealing
No inherent seal, relies on hub assembly

Head Code
Round

Torque
Up to 1800 Nm depending on size and use

Max. Speed
Up to 3000 RPM depending on application

Bore
Machined central bore (customizable as per requirement)

Connection
Fitted to wheel hub via bolts

Material
Cast Iron, Grade FG-250 or as specified

Structure
Single piece solid drum

Standard
As per SAE or ISO automotive standards

Inner Diameter
Customizable (typically 100-350 mm depending on use)

Outer Diameter
Customizable (typically 150-400 mm depending on use)

Application
Automotive and industrial braking systems

Surface Treatment
Rough cast/Unpainted, can be machined or painted upon request

Technique
Sand casting

Shape
Round/Drum

Heat Resistance
Service temperature up to 550C

Mounting Holes
Provision for multiple bolt patterns as per customer drawings

Compatibility
Suitable for commercial vehicles, trucks, buses, and industrial equipment

Noise Dampening
Good vibration absorption owing to cast iron structure

Life Cycle
Typically 40,000-80,000 brake cycles depending on operation conditions

Color
Gray metal (may show natural oxidation if uncoated)

Finish Options
Machined, painted or phosphate coated upon request

Manufacturing Tolerance
+/- 0.01 mm on machined surfaces

Weight
Ranges from 5 kg to 40 kg depending on size

Hardness
180-220 HB (Brinell Hardness)

Cast Iron Brake Drum About

We, Shruti Engineering, are an appreciated manufacturer, exporter and supplier of high quality Disc Brakes and Industrial Hoists. Offered range of products includes Foot Mounted Brake Motor, Disc Brake and Liner Brake.

Designed for Durability and Precision

Our cast iron brake drums deliver robust performance across commercial and industrial applications. Manufactured to stringent tolerances, they ensure a reliable fit and superior braking consistency. Their solid drum construction and exceptional heat resistance make them ideal for demanding, high-torque environments such as trucks, buses, and machinery.

Versatility in Application and Customization

Available in various weights, diameters, and finishes, these brake drums accommodate specific customer requirements. Choose from machined, painted, or phosphate-coated surfaces to suit your operational or aesthetic needs. The provision for multiple bolt patterns and bore customizations provides seamless integration across assorted vehicle types.

FAQ's of Cast Iron Brake Drum:

Q: How are cast iron brake drums installed on vehicles?

A: Cast iron brake drums are typically mounted to the wheel hub using bolts that align with pre-machined holes. The central bore is customized for an accurate fit and ensures proper alignment, relying on the hub assembly rather than an inherent seal.

Q: What benefits do these brake drums offer over other materials?

A: Due to their cast iron structure, these drums provide excellent vibration absorption and noise dampening. They are also highly resistant to wear and heat, supporting service temperatures up to 550C and prolonged braking cycles, which enhances operational reliability.

Q: When should cast iron brake drums be replaced?

A: Brake drums generally last between 40,000 and 80,000 cycles, depending on usage conditions. Visual inspection for cracks, scoring, or significant wear, alongside regular maintenance, will help determine when replacement is required to ensure best performance and safety.

Q: Where can these brake drums be used?

A: These drums are designed for commercial vehicles such as buses and trucks, as well as industrial equipment. Their customizable dimensions and mounting provisions make them suitable for a range of automotive and industrial braking systems.

Q: What is the manufacturing process for these brake drums?

A: Our brake drums are produced through sand casting using high-grade FG-250 cast iron. After casting, the surfaces are machined to precise tolerances, and finishing options like painting or phosphate coating can be applied based on customer requests.

Q: How can the drum be customized for specific applications?

A: Customers can specify inner and outer diameters, bolt patterns, bore size, and surface finish according to their operational requirements. This ensures compatibility with various wheel hubs and braking systems.

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