Hole machining
MLR Series Large Diameter Rough Boring Tools
Diameter range ∅ 150mm - ∅ 850mm. Modular design, flexible on tool combination. Easy to handle. To reduce the tool weight, lightweight rough boring tool is available
125
90
Dimension without Coupling
Boring tool denomination
“1” Series name “2” Minimum boring diameter “3” Maximum boring diameter “4” LD means light weight, without LD means standard
Dimension with Coupling
Standard (With Steel Boring Bridge)
Weight （ Kg ）
Dia range D
Product code
Coupling Steel bridge
Slider
Cartridge Insert (Option)
150-210 210-290 290-370 370-450 450-530 530-610 610-690 690-770 770-850
MLR-150-210 MLR-210-290 MLR-290-370 MLR-370-450 MLR-450-530 MLR-530-610 MLR-610-690 MLR-690-770 MLR-770-850
5.5 6.7 8.1 9.8
BS-150-210 BS-210-290 BS-290-370 BS-370-450 BS-450-530 BS-530-610 BS-610-690 BS-690-770 BS-770-850
/
RB-150
RC-150
CC_ _1204
11.4 17.2 18.7 20.4 22.7
LP40-200
Lightweight (With Aluminium Boring Bridge)
Weight （ Kg ）
Aluminium bridge
Dia range D
Product code
Coupling
Slider
Cartridge Insert (Option)
150-210 210-290 290-370 370-450 450-530 530-610 610-690 690-770
MLR-150-210-LD MLR-210-290-LD MLR-290-370-LD MLR-370-450-LD MLR-450-530-LD MLR-530-610-LD MLR-610-690-LD MLR-690-770-LD
3.9 4.3 5.0 5.5 6.0
BS-150-210-LD BS-210-290-LD BS-290-370-LD BS-370-450-LD BS-450-530-LD BS-530-610-LD BS-610-690-LD BS-690-770-LD
/
RB-150
RC-150
CC_ _1204
11.2 12.0 13.2 13.9
LP40-200
770-850 BS-770-850-LD ● Rough boring tool assembled with cartridges as standard package, include bridge, slider, cartridge, some models include coupling, the inserts not are included. ● For the ideal axial runout, the inserts need to be indexed at the same time. MLR-770-850-LD
373
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