Hole Making Rough/Fine Boring
EFB External Fine Boring Tool Modular interchangeable design; Rotating the boring head enables the switching between inner hole boring and external sleeve boring. Dia. range： ∅ 25mm - ∅ 400mm。 For external sleeve boring, the spindle must rotate in reverse.
Components
Max. Sleeve Boring Depth
Interference Range BD(mm)
Tool Body Length LF (mm)
Dia range DC (mm)
Cartridge （Option）
Weight (kg)
Insert
Balance Block
Steel Bridge
Fine Boring Head
25-34 34-43 43-52 50-59 59-68 68-77 75-84 84-93
FCT-30C FCT-30B FCT-30A FCT-30C FCT-30B FCT-30A FCT-30C FCT-30B FCT-30A
EFB-025-052-AK6
118
1.94
EB- AK3
EFB-050-077-AK6
AFB-032-060-AK3
143
2.24
85
55
TP_ _ 0802
EFB-075-102-AK6
168
2.34
93-102
● Order Example: For bore diameters 25-34mm, order with tools: EFB-025-052-AK6 & AFB-032-060-AK3 & EB-AK3. For bore diameters 34-43mm, order with tools: EFB-025-052-AK6 & AFB-032-060-AK3-W & FCT-30B & EB-AK3. ● Complete sleeve boring tools do not come with internal coolant. The maximum sleeve boring depth can be adjusted by symmetrically adding extended bars.
Large Diameter --External Fine Boring
Components
Interference Range BD(mm)
Tool Body Length LF(mm)
Max. Sleeve Boring Depth
Dia range DC (mm)
Weight (kg)
Insert
Steel Bridge Fine Boring Head Balance Block Slider
41-96
BS-150-210 BS-210-290 BS-290-370 BS-370-450
4.86 6.06 7.36 9.16
150 210 290 370
80-160 160-240 240-320 320-400
AFB-041-074-AK4 EB-150-AK4 EB-AK4
126
72
TC_ _ 1102
BS-450-530 10.86 ● All components are freely configurable, and compared with smaller diameter sleeve boring tools, two additional sliders are required. ● For tools requiring weight reduction, the aluminum bridge option can be selected. For example, BS-150-210-LD. 450
531
531
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