G2 Superpave Gyratory Compactor

G2 Superpave Gyratory Compactor

Gyratory compactors are widely used in construction and mining to compact materials such as asphalt, concrete, and soil. Using a controlled gyratory motion with low static pressure and high shear action, they produce dense, uniform, and high-quality specimens. This efficient compaction method requires less energy and delivers consistent results, making gyratory compactors essential for modern material testing and processing.

The G2 Superpave Gyratory Compactor features a robust design with a main shaft and vertical actuator that generate precise gyratory motion. Key components like the load cell, spider assembly, and eccentric assembly ensure accurate force control and uniform compaction. Adjustable speed and gyratory angle allow the G2 to adapt to different materials and applications, delivering reliable and repeatable compaction for laboratory and field testing.

Features

Specimen Size

This flexibility means the compactor can compact both 150-mm and 100-mm specimens and is high productivity in laboratory.For asphalt mixes with rubber that expands when cooling, Pine offers an optional Cooling Door Kit. This kit has a built-in fan to cool the directly in the gyratory and reduce expansion and downtime.

Multiple Compaction Modes

The G2 has three compaction modes:

• Number of Gyrations: Stops after a defined number of gyrations.

• Compact to Height: Ends when a target height is reached.

• Locking Points: Stops when the height change between gyrations reaches a user defined limit.

Optional Gyratory Shear Measurement

Add to your G2 the optional gyratory shear measurement feature which records shear data during compaction.

Maintenance and Repair

To keep a gyratory compactor in peak condition and extend its life regular maintenance and timely repairs are necessary. Main shaft, actuator and load cell should be inspected and serviced regularly to prevent wear and ensure accurate operation. Sensors and data should be calibrated to maintain precise control of the compaction. The G2 is designed to be durable and resistant to harsh working conditions but like any high performance it needs proactive maintenance. The requirements are similar to primary gyratory crushers used in ore where regular maintenance is necessary to sustain maximum performance and reliability. By following the recommended maintenance schedule can ensure their gyratory compactor operates efficiently and compacts consistently.

Why Customers Love the G2

The Pine G2 Superpave Gyratory Compactor is a customer favorite for its reliability, ease of use, consistent performance and strong customer support. Whether you are working with asphalt, soil or concrete the G2 delivers great results with minimal effort.

Power:

115 VAC(±10%), 12 Amp, 50/60 Hz, 1 ph

Dimensions:

875 mm wide x 900 mm deep x 1375 mm high

(~34.5 inch x ~35.5 inch x ~54 inch)

Weight:

Approximately 400 kg (880 lb)

Note: There are three eye-bolts on top of the machine to lift it.

Applied Pressure:

200 kPa – 1,000 kPa

±60 kPa gyration 0-5; ±10 kPa gyrations >6

Note: User sets the pressure through the control panel. For precise measurement, consider using a digital pressure meter.

Angle of Gyration:

0.00° – 1.50° (0.00 – 26.18 mrad)

Internal or external angle

Note: User sets the angle of gyration through the control panel.

Speed of Gyration:

30 gyrations per minute

Note: Speed of gyration is fixed.

System:

Electromechanical

Number of Gyrations:

0 – 999 gyrations

Minimum Specimen Height:

0.0 mm

External Mold Dimensions:

215.9 mm OD x 279.4 mm tall

Internal Mold Dimensions (Space Available for Loose Asphalt):

150.0 mm +0.0/-0.1 mm ID x 252 mm tall

100.0 mm +0.0/-0.1 mm ID x 252 mm tall

101.6 mm +0.0/-0.1 mm (4”) ID x 252 mm tall

Note: Molds meet AASHTO T312 and ASTM D6925.

Mold Weight (empty):

13.1 kg (29.0 lbs.)

Modes of Operation:

Compact to number of gyrations, specified height or locking point.

Compact at specified internal or external angle.

Note: User sets the mode of operation.

Data Acquisition:

Gyration number

Specimen height (mm)Angle of gyration (°)

Consolidation pressure (kPa)

Optional – Gyratory tilting moment (N-m)

Data Output:

2 USB data ports

Network compatible

Printer (optional)

The Pine G2 Superpave Gyratory Compactor is designed for laboratory compaction of asphalt and other materials, not industrial crushing like gyratory and jaw crushers. Gyratory crushers are often installed vertically and use a circular motion of the crushing head and concave liners and a receiving opening to process large rocks and ore. Jaw crushers are primary crushers while gyratory crushers are primary and secondary crushers. The main shaft rotation and vertical adjustment are critical for efficient operation to process large volumes of material and reduce rocks to smaller sizes including sand for further use.