P/N 92974, Rev. 1 Page 17
2.4 CONTROLS
Table 2-2 shows the power options available for the BB4500-BB5000. Please note
that only the BB5000 has the servo drive option.
For more information about using the BB4500-BB5000 controls, see Section 3.5
on page 43.
The RDU used with hydraulic, pneumatic, and electric drives has a 4:1 gear reduc-
tion. The servo drive uses 12:1 gear reduction.
TABLE 2-2. POWER OPTIONS
Power type RPM
1
range
1. Revolutions per minute (RPM)
Power Reference
Hydraulic
10 hp HPU
2
: 0 – 246 RPM at
60 Hz mains power
10 hp HPU: 0 – 200 RPM at
50 Hz mains power
2. Hydraulic power unit (HPU)
10 hp (7.4 kW)
Section 2.4.1 on
page 18
Electric 8 – 160 RPM 3.35 hp (2.5 kW)
Section 2.4.3 on
page 21
Pneumatic 0 – 120 RPM 3.0 hp (2.2 kW)
Section 2.4.4 on
page 24
Servo
(BB5000 only)
3 – 230 RPM 4.7 hp (3.5 kW)
Section 2.4.2 on
page 19
TABLE 2-3. TEST DATA
Material: A-36 (mild steel)
Bore diameter: 23" (584.2 mm)
Tool bit: High speed steel (HSS)
Bearing spacing: 22" (558.8 mm)
Bar speed: 30 – 40 RPM
Depth of cut: 100” (2,540 mm)
Feed rate: 0.003" (0.076 mm) per revolution
Length of cut: 2” (50.8 mm)
TABLE 2-4. SETUP CONES
Range
Standard 2.75–12” (70–305 mm)
Optional 1.375–5” (34.9–127 mm)