Main Features
- Completely electro-mechanically operated
- Possibility to program user defined procedures as free combination of load and displacement (or combined) controlled cycles
- Completely electro-mechanically operated
- Conforming to EN 12697-33, 5.2 method and ASTM D8079
- 21” All-in-one touchscreen PC controlled , PC and software included
- Includes the compaction procedure defined in the brand new EN 12697-33 method 7.3, providing at the beginning a controlled displacement compaction which can grant a flat surface followed by a load compaction phase , which can replicate the real compaction on the road surface
- Base and foot adjustable heating system available as option
- Mould dimensions: 500 x 400, 500 x 300, 400 x 300, 300 x 300 and 320 x 260 mm, 195 mm height
- Compaction direction in the longest (major) mould dimension to obtain specimens of the proper length conforming to Standard
- Vertical balanced of sliding cover for easy access and complete three side view
- Maximum compaction load 30 kN
- User defined controlled linear speed up to 300 mm/sec and adjustable pause at the mould inversion point
- Ideal for producing test beams for 4-Point bending (EN 12697-24, EN 12697-26, AASHTO T321) and slabs down to 38 mm
- Vibrating roller option, adjustable from 10 to 50 Hz
- PRO-COMPACT* closed loop control slabs
- Customization of compacting cycle which can be saved and recalled from the database
*PRO-COMPACT closed-loop is an innovative mechanical and electronic control that combines orthogonality of the load, pendulum motion of the head and sinusoidal non-friction forward-reverse carriage movement. This results in an optimally compacted sample that features Planarity Regularity and hOmogeneity (PRO). The combined load/displacement compaction procedure provides at the beginning of the test a controlled displacement compaction, which can grant a flat surface of the compacted slab, followed by a load compaction phase, which can replicate the real compaction on the road surface.
Description
Slabs can be used for:
- Wheel tracking test down to 38 mm thickness
- Cored to provide specimens for indirect tensile, static and dynamic creep tests
- Cut into beams for bending fatigue tests
The slab compactors come in two versions:
- Standard models
- Advanced models, which also satisfy the compaction procedure of the brand new EN 12697-33 method 7.3 and include other important features.
Electromechanical slab compactors feature a compacting system by roller segment head radius 535 mm.
How it works
- The roller segment freely moves by simple friction for better compaction uniformity. A brushless motor (standard models), or stepper motor (advanced models) moves vertically the roller segment under displacement control.
- The vertical load is applied orthogonally to the axis of the travel motion while the mold carriage moves back and forth by linear movement.
- The longitudinal (major) mold dimension correspond to the compaction direction so it is possible to obtain specimens of proper length conforming to Standards.
- The lifting machine cover permit an easy access to the mould area. In the “rest” position, the mold is close to the operator for easy positioning while the roller segment is lifted and positioned at the back of the machine.
The Electromechanical slab compactor can be used as part of your Superpave performance based testing program.
Technical Specifications
| Model | 77-PV41C05 |
| Machine control | – Vertical load and/or displacement control of the roller segment by stepper motor, measured directly by linear transducer to verify in real time the specimen thickness for more accuracy – Real time measurement and control with a closed loop logic of compaction load by two precision strain gauge load cells. This system permits to verify possible discrepancies of the compaction due to the wrong distribution of asphalt in the mould and to any other unexpected malfunctions, with warning to the operator – Machine fitted with sensors to confirm the mould in position and for the automatic set-up of the horizontal travel |
| Software | – 21” Touchscreen integrated PC – Fully programmable PC software operating in Windows® – Set up of customized compaction sequence as free combination of load/displacement controlled cycles – Selection, customization and storing of test parameters – Customization of the compacting sequence to be saved and recalled from the database – Graphic display of displacement / force vs. number of passes or load vs. displacement |
| Max. vertical force | 30 kN |
| Load measurement | By two precision load cell |
| Compacting device | Roller segment, radius 535 mm |
| Back and forth horizontal travel | Adjustable: 300/320 mm 400 mm 500 mm By software |
| Trolley speed | Adjustable up to 300 mm/s Adjustable pause at inversion point |
| Mould dimensions* | 320 x 260 x 195 mm 300 x 300 x 195 mm 400 x 300 x 195 mm 500 x 300 x 195 mm 500 x 400 x 195 mm |
| Roller vibration | Yes, adjustable frequency from 10 to 50 Hz (optional) |
| Heated foot | Yes (optional) |
| Heated base | Yes (optional) |
| Electrical supply | 380 V, 50 Hz, 3 ph |
| Power rating | 3000 W |
*To produce slabs down to 38 mm thickness. Maximum slab thickness varies with bitumen mixes composition.
Ordering Information
| 77-PV41C05 | Advanced multi-size electromechanical slab compactor. 380V/50Hz/3ph+N |
| 77-PV41C06 | Advanced multi-size electromechanical slab compactor. 220V/60Hz/3ph+N |
Accessories
Sector Heads
77-PV42001 Interchangeable sector head to produce slabs 320 mm long x 260 mm wide
77-PV42011 Interchangeable sector head to produce slabs 320 mm long x 260 mm wide. Complete with heating system
77-PV43001 Interchangeable sector head to produce slabs 300 mm long x 300 mm wide
77-PV43011 Interchangeable sector head to produce slabs 300 mm long x 300 mm wide. Complete with heating system
77-PV44001 Interchangeable sector head to produce slabs 400 mm long x 300 mm wide
77-PV44011 Interchangeable sector head to produce slabs 400 mm long x 300 mm wide. Complete with heating system
77-PV45001 Interchangeable sector head to produce slabs 500 mm long x 300 mm wide
77-PV45011 Interchangeable sector head to produce slabs 500 mm long x 300 mm wide. Complete with heating system
77-PV46001 Interchangeable sector head to produce slabs 500 mm long x 400 mm wide
77-PV46011 Interchangeable sector head to produce slabs 500 mm long x 400 mm wide. Complete with heating system
Steel Molds
77-PV4210 Steel mould 320×260 mm, 195 mm high, to be filled at 155 mm max
77-PV43102 Steel mould 300×300 mm, 195 mm high, to be filled at 155 mm max
77-PV44102 Steel mould 400×300 mm, 195 mm high, to be filled at 155 mm max
77-PV45102 Steel mould 500×300 mm, 195 mm high, to be filled at 155 mm max
77-PV46102 Steel mould 500×400 mm, 195 mm high, to be filled at 155 mm max
Heating System
77-PV43012 Compaction sector head heating system for 77-PV41C0x and 77-PV41A0x series
Upgrades
77-PV43042 Motor vibrator roller option. For 380V/50Hz/3ph, 220V/60Hz/3ph, 110-230V/50-60Hz/1ph models.
PV41C00/UP Upgrade of 77-PV41C0X with heating system inbuild in mould base support
