Rammer 2577E
The 1,410kg Rammer 2577E rockbreaker with an impact rate of 450 – 750 blows per minute features Rammer’s Fixed Blow Energy operating principle, which ensures optimum impact energy with every blow, regardless of hydraulic flow fluctuations.
The 2577E is suitable for carriers in the 21 to 32 tonne range and it comes with the remote monitoring hardware RD3 installed.
Key Specifications
Product Weight
1,410kg
Product Carrier Weight
21.0 – 32.0 t
Oil Flow Range
140 – 200 l/min
Features
- High pressure membrane accumulator
- Service access to high pressure membrane accumulator
- Indexable power cell (left or right handed)
- Vibration and sound suppressed
- Heavy Duty housing (round corners)
- Stone claws on housing
- Optimized hydraulic connection points towards carrier
- FBE (Fixed Blow Energy)
- RamValve
- Idle blow protector
- VIDAT tie rods
- Fast-change tool system
- Field replaceable lower tool bushing
- RAMLUBE I (optional)
- RAMLUBE II (optional)
- RD3 incl. as standard
- Air connection
- Ramair (optional)
Applications
- Primary breaking
- Secondary breaking
- Primary demolition
- Secondary demolition
- Boom mounted applications
- Underwater breaking
- Trenching
Compatible with Standard Chisel Tool, Long Chisel Tool, Hard Rock Chisel Tool, Limestone Chisel Tool, Moil Point Tool, Long Moil Point Tool, Pyramid Tool, Standard blunt Tool, Long blunt Tool, Super Blunt Tool.
Specifications
Minimum Working Weight, flange mounted *1 | 1670 kg |
Weight | 1410 kg |
Working length | 2299 mm |
Impact rate (frequency) | 450 - 750 bpm |
Operating pressure | 135 - 145 bar |
Oil flow range | 140 - 200 l/min |
Pressure relief setting *2 | 190 bar |
Pressure relief max | 220 bar |
Back pressure max | 10 bar |
Input power | 48 kW |
Tool diameter | 135 mm |
Pressure line connection (IN) | SAE 6000 psi 1 1/4" |
Return line connection (OUT) | SAE 6000 psi 1 1/4" |
Pressure line size, min. inner diameter | 26 mm |
Return line size, min. inner diameter | 32 mm |
Grease connection | BSPP-internal 3/8" |
Optimum oil temperature | 40 - 60°C |
Allowed oil temperature range | -20 - 80°C |
Optimum oil viscosity at operating temperature | 30 - 60 cSt |
Allowed viscosity range | 20 - 1000 cSt |
Carrier weight, optimum | 23 - 30t |
Carrier weight, range *3 | 21 - 32 t |
Noise level, measured (2000/14/EC) | 120 dB(A) |
Noise level, guaranteed (2000/14/EC) | 124 dB(A) |
Air Connection (A) | BSPP-internal 3/8" |
- *1 Includes average mounting bracket and standard wear parts
- *2 Minimum setting = actually measured operating pressure + 50 bar or 725 psi
- *3 Check carrier allowed attachment weight from carrier manufacturer. Check application requirements.
Specifications are subject to change without notice.