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AC170
Cylinder boring machine
The AC170 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.

Images may show the product equipped with optional accessories
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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
  • Pair of parallel supports h=190 mm
  • Wrench set
  • Instruction manual
Specifications
Boring range
30÷170 mm
Max Vertical travel of the Head
670 mm
Max distance from head to table
940 mm
Distance from spindle center to column
290 mm
Spindle rotation speed (adjustable)
75÷700 rpm
Spindle feed
0÷175 mm/min.
Table surface
1040x370 mm
Max longitudinal table travel
1000 mm
Max transverse table travel
200 mm
Spindle motor power
1.5 kW
Rapid head feed motor power
0.37 kW
Dimensions (LxWxH)
1030x1020x2000 mm
Net weight
1150 Kg
Gross weight
1330 Kg
Accessories and spare parts
Comec B03560 boring spindle
B03560
Ø 35÷60 mm L = 330 mm boring kit with dial gauge adjustment
Comec B06085 boring spindle
B06085
Ø 60÷85 mm L = 320 mm boring kit with dial gauge adjustment
Comec C03560 boring spindle
C03560
Ø 35÷60 mm L = 330 mm boring kit with pre-setting system
Comec C06085 boring spindle
C06085
Ø 60÷85 mm L = 320 mm boring kit with pre-setting system
Comec C85170 boring spindle
C85170
Ø 85÷170 mm L= 360 mm boring kit with pre-setting system
Comec B85170 boring spindle
B85170
Ø 85÷170 mm L = 360 mm boring kit dial gauge adjustment