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Cylinder boring machine
Comec AC200 cylinder blocks reconditioner
The AC200 boring machine has been manufactured to recondition cylinder blocks of motor cars and trucks with a diameter of 30÷170 mm. The excellent qualities of finishing and precision are ensured by the combination of a tested mechanic structure with new innovative technical solutions, which enhance the performance and versatility of the machine. All machine parts supplied with the standard equipment, such as the fast cylinder centering device with scanning level on the boring bar and the centesimal dial indicator, the clear and straightforward control panel, as well as the depth of boring control dial gauge, can ease and speed up the work. Moreover, the adjustable boring bar's rotation speed provide for the best finishing.

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Standard equipment
  • Adjustable spindle speed with digital indicator
  • Adjustable boring bar feed
  • Adjustable table feed (only model ACF)
  • Tool setting dial indicator with magnetic base
  • Depth of boring device with dial indicator
  • Precision centering device with dial gauge
  • Adjustable control stop
  • PV0160 Pair of parallel supports
  • Wrench set
  • Instruction manual
Boring range
30÷170 mm
Max head vertical travel
670 mm
Min-Max distance head-table
370÷1020 mm
Distance spindle C/L-column
290 mm
Table surface
1340x370 mm
Max table longitudinal travel
1200 mm
Max table transverse travel
200 mm
Adjustable spindle rotation speed
50÷700 rpm
Adjustable boring bar feed
0÷175 mm/min.
Adjustable table feed
0÷460 mm/min.
Spindle motor power
1.5 kW
Rapid feed motor power
0.37 kW
Table feed motor power
0.55 kW
Dimensions (LxWxH)
1860x1150x2170 mm
1380 Kg
Accessories and spare parts
PV1516 60° - 90° V-block blueprinting mounting fixture
PV0025 Pair of fast clamping column 
PV0007 Pair of parallel supports  H=49mm
PV0160 Pair of parallel supports
Comec B03560 boring spindle
Ø 35÷60 mm L = 330 mm boring kit with dial gauge adjustment
Comec B06085 boring spindle
Ø 60÷85 mm L = 320 mm boring kit with dial gauge adjustment
Comec C03560 boring spindle
Ø 35÷60 mm L = 330 mm boring kit with pre-setting system
Comec C06085 boring spindle
Ø 60÷85 mm L = 320 mm boring kit with pre-setting system
Comec C85170 boring spindle
Ø 85÷170 mm L= 360 mm boring kit with pre-setting system
Comec B85170 boring spindle
Ø 85÷170 mm L = 360 mm boring kit dial gauge adjustment
1/2” CBN or PCD milling plate dia. 350 mm (available only for ACF)
Spindle storage rack
V-block adjustable universal fixture

CAT40 taper spindle for drilling


Tool sharpening assembly with support with diamond wheel ACF550