DAR MICRO ROLLER
The DAR Roller Vibrator offers an extremely high force to weight ratio.
It is designed as a robust vibrator suitable for use under the most difficult conditions.
Housing is machined from an extruded aluminum section. Inside a precision iron roller rotates on high tensile steel races. It is retained by two high impact special bronze end plates. A filter-regulator-lubricator is to be used at all times with this vibrator.
| PERFORMANCE | |||||||||
| MODEL | FREQUENCY | FORCE OUTPUT | AIR CONSUMPTION | ||||||
| 30 PSI | 60 PSI | 90 PSI | 30 PSI | 60 PSI | 90 PSI | 30 PSI | 60 PSI | 90 PSI | |
| vpm | vpm | vpm | lbs | lbs | lbs | cfm | cfm | cfm | |
|
DAR-2
|
36000
|
38000
|
38000
|
500
|
760
|
920
|
2.5
|
5
|
7
|
|
DAR-3
|
27000
|
32000
|
32000
|
612
|
920
|
1360
|
3.5
|
7
|
10
|
|
DAR-4
|
18000
|
22000
|
25000
|
530
|
1030
|
1500
|
4.2
|
9
|
13
|
|
DAR-5
|
9500
|
15000
|
16000
|
480
|
1120
|
1620
|
4.6
|
9.5
|
14
|
|
DAR-6
|
7800
|
10000
|
12000
|
980
|
1500
|
2300
|
6
|
11
|
16
|
|
DAR-7
|
8000
|
9800
|
11000
|
1300
|
2100
|
2700
|
6.4
|
12
|
17
|
|
TECHNICAL DATA
|
|
| Unbalance Weight: | 2 Ground Steel Rollers (5500-6500) |
| Lubrication: | Recommended (if the environment is clean). |
| Air Supply: | 30 to 90 PSI (2 to 6 bar) |
| Air Type: | Clean; usage of filter (40µm) will extend life |
| Body: | Cast Iron |
| End Cap : | Ground Steel Plates |
| Ambient Temperature: | 400°F (200°C) |
| Noise Level Range: | 100 dBA |
| Air nipple hose size | 5/8" |
| Air nipple thread size | M-30 |
| 1. Extruded aluminum alloy body |
| DIMENSIONS | ||||||||
| MODEL |
A
|
B
|
C
|
D
|
E
|
F
|
G/H
|
WEIGHT
|
|
inches
|
inches
|
inches
|
inches
|
inches
|
inches
|
inches
|
Lbs
|
|
|
DAR-2
|
1.97
|
1.18
|
3.38
|
2.68
|
0.47
|
0.27
|
1/8
|
0.82
|
|
DAR-3
|
2.56
|
1.42
|
4.45
|
3.54
|
0.63
|
0.35
|
1/4
|
1.68
|
|
DAR-4
|
3.15
|
1.57
|
5.04
|
4
|
0.63
|
0.43
|
1/4
|
2.8
|
|
DAR-5
|
3.94
|
2.05
|
6.3
|
5.12
|
0.79
|
0.51
|
3/8
|
5.4
|
|
DAR-6
|
4.72
|
2.44
|
7.64
|
6
|
0.94
|
0.67
|
3/8
|
10.35
|
|
DAR-7
|
4.72
|
3.03
|
7.64
|
6
|
0.94
|
0.67
|
3/8
|
12.55
|
|
TECHNICAL DATA
|
|
| Unbalance Weight: | Cast iron roller |
| Lubrication: | Necessary (Oil ISO VG5 = 5cSt/40°C) |
| Air Supply: | 30 to 90 PSI (2 to 6 bar) |
| Air Type: | Clean, use of filter (40µm) recommended |
| Body: | Aluminum, stove-enamelled orange |
| End Cap : | Bronze, threaded (Left and right hand) |
| Ambient Temperature: | 400°F(200°C) |
| Noise Level Range: | 75 to 100 dBA with muffler |
Additional technical information
The vibrator housing is machined from an aluminum alloy profile.
The housing has two mounting holes.
The air inlet port and the exhaust port are tapped with standard pipe thread.
The pipe thread is BSP (British Standard Pipe) but will accept US NPT( National Pipe Thread) .
For optimal performance, mufflers of sintered bronze should be used to improve exhausting.
The DAR indicates the heavy roller series and the number (2 to 7) is a running number.
The maximum ambient operating temperature is 200°C (400°F).
The noise level range is 75 to 100 dBA with silencers.
Installation / Operation
The vibrator should be placed so that its rotative axle is horizontal in order to avoid frictionbetween roller and end plates that would prematurely wear out the end plates.
The DAR-vibrator can be operated intermittently without losing efficiency or causing other difficulties since the vibration stops immediately after air pressure is cut.
Therefore, it is very useful in the concrete industry to calculate accurate compaction times.
Lubrication is required. One drop per five minutes is sufficient. In addition, only filtered, clean air (40 µm filter is sufficient) should be used.
Dirt will cause the roller to jump and dents or cracks in the steel races will result.
Please make sure that hydraulic oil ISO VG5 with 5 cSt/40°C is used. Any other viscosity may cause the unit to clog or reduce the vibrating frequency and power.