PTR-Roller

PTR | Pneumatic Tyre Roller Manufacturer

Model UNTR-7

Uniter is a leading Manufacturer of PTR, Pneumatic Tyre Roller are specialized rollers perform on both asphalt and aggregates, which of course means the machines must be flexible.

Pneumatic rollers are widely used for compaction of sub grades, bases and bituminous mixes.this sdpecial purpose Pneumatic roller is capable of compacting flat to concave (parabolic) surface with slope up to 45 degree.

Specification

  • Transmission: Hydrostatic
  • Engine Power: 125hp @ 2300 rpm
  • Rolling Width: 1.70 m
  • Weight: 15 to 24 Tonne
  • Suitability: Capable of compacting flat to concave (parabolic) surface with slope up to 45 degree
  • Tyre Size: 11 x20
  • Tyres on Front: 4 no.
  • Tyres on Front 3 no.

Frequently Asked Questions

What is a Pneumatic Tyre Roller?

A pneumatic tyre roller is a type of compaction equipment that uses a set of rubber tires to compact and smooth various surfaces such as asphalt and soil. It is often used in road construction to achieve uniform compaction and surface finish.

How does a pneumatic tyre roller work?

A pneumatic tyre roller compacts surfaces through the pressure exerted by its multiple rubber tires. The tires are inflated to specific pressures, allowing them to adjust to the surface irregularities and provide even compaction across the width of the roller.

What are the advantages of using a pneumatic tyre roller?

  • Uniform Compaction: The flexible tires conform to surface irregularities, ensuring even pressure distribution.
  • Kneading Action: Provides a kneading effect that enhances the density and stability of the compacted material.
  • Versatility: Can be used on various materials, including asphalt, soil, and granular materials.
  • Improved Surface Finish: Helps in achieving a smoother and denser surface compared to steel drum rollers.

What are the key components of a pneumatic tyre roller?

  • Tires: Multiple rubber tires arranged in rows, providing compaction through their weight and flexibility.
  • Ballast: Adds weight to the roller to enhance compaction, often adjustable by adding or removing material.
  • Engine: Powers the roller and its components.
  • Operator Cabin/Controls: Houses the controls for steering, speed, and tire pressure adjustments.
  • Spray System: Optional system to keep tires clean and prevent material from sticking.

What safety features are included in pneumatic tyre rollers?

  • Roll-Over Protection Systems (ROPS): Protects the operator in case of a rollover.
  • Seat Belts: Ensures the operator remains secure during operation.
  • Emergency Stop Controls: Allows for quick shutdown in emergencies.
  • Visibility: Designed for maximum visibility to enhance safety during operation.

What maintenance is required for a pneumatic tyre roller?

Regular maintenance includes checking tire pressure and condition, inspecting the engine and hydraulic systems, ensuring the ballast is properly secured, and keeping the spray system operational. Proper maintenance ensures optimal performance and longevity of the roller.

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