CG270 CG300 CG360 Crankshaft grinding machine

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ENGINE REBUILDING - CRANKSHAFT

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Four indexing locations on the head stock with the air operated index pins make it faster to dial in the crankshaft properly.
Easily adjusted outboard counterweights never need to be supplemented by inboard weights.
These machines are built very heavily with widely spaced ways to assure positive alignment of the wheel head to the table. Moreover, the controls are easier to use. Precision Incremental In-Feed Lever is much easier to use than a hand wheel to achieve the precise desired journal size.

 

SPECIFICATIONS


 CG360-3300 CG300-2200 CG270-2000
WORKING CAPACITY
Height of centres on table 360 mm 300 mm 270 mm
Max distance between centers 3300 mm 2200 mm 2000 mm
Max. distance between self-centring chucks 3250 mm 2150 mm 1930 mm
Swing over table 720 mm 600 mm 540 mm
Max head offset (stroke/2) 170 mm 140 mm 120 mm
Max diameter admitted on std steady rests 180 mm 180 mm 130 mm
Max workpiece diameter-new wheel 270 mm 270 mm 270 mm
Max weight admitted between centers 600 kg 300 kg 300 kg
Max weight admitted with steady rests 1200 kg 600 kg 600 kg
MACHINE SPECIFICATIONS
Z AXIS
Max table speed 5000 mm/min 5000 mm/min 5000 mm/min
Table motor power 0,5 KW 0,5 KW 0,5 KW
X AXIS
Fast grindhead feed 210 mm 210 mm 210 mm
Micrometric grindhead feed 240 mm 240 mm 200 mm
Hyraulic unit motor power 1,2 KW 1,2 KW 0,75 KW
WHEEL UNIT
Diameter of grinding wheel 915 mm 815 mm 710 mm
Max grinding wheel thickness 60 mm 60 mm 50 mm
Standard grinding wheel thickness 25 mm 25 mm 25 mm
Min grinding wheel thickness 20 mm 20 mm 20 mm
Grinding wheel peripheral speed 33 m/s 33 m/s 33 m/s
Wheel rotation motor power 7,5 KW 7,5 KW 4 KW
WORKHEAD
Stepless rotation speed 0-80 RPM 0-90 RPM 0-90 RPM
Diameter of chucks 315 mm 200 mm 200 mm
Headstock rotation motor power 1,2 KW 1,2 KW 0,75 KW
LUBRIFICATION UNIT
Operating pressure Manuale Manuale Manuale
Tank capacity 1 l 1 l 1 l
Pump motor power Manuale Manuale Manual

PICTURES

CG270-2000

CG300-2200

CG360-3300

CG270


Standard equipment

Low voltage electric controls (24 V)
Electronical variable speed of the headstock
Hydraulic system and coolant system
Centralized lubricant system
Crankshaft centering fixture with dial indicator
Crankshaft journal checking square
Stroke setting measuring device with indicator
Wheel face, side and radius dresser (diamond excluded)
No. 2 precision self centering chucks 200 mm. dia.
No. 1 steady rest
No. 2 driving dogs capacity from 20 to 75 mm and 2 driving dogs capacity from 70 to 140 mm
No. 2 driving plates for drivers
No. 2 conic centers for workhead
No. 1 blunt center for workhead
Grinding wheel 710-203mm. dia.  25 mm. thickness
Wheel balancing arbor
Grindwheel hub puller

Recommended equipment
AZ410 Diamond and rest 1,5 kt
AZ390 Grinding coolant (5 liters)
AZ420 Pair of flanges
AZ770 Continuos journal sizing gauge (25-110mm diameter capacity)
AZ771 Measuring fork, range from 100 to 200 mm for AZ 770

Optional equipment
Version N: with pneumatic bolts
Machine with pneumatic bolts operated by pedal switch for head positioning and pneumatic movement of the tailstock
VERSIONE U: automatic movement of table and grinding wheel
Machine with automatic movement of table and grinding wheel for cylinder grinding
AZ239 Safety-guard kit conforming to CE standards
AZ780 Electronic in process grinding gauge 1 axe (for AZ 770)
AZ490 Magnetic coolant cleaner
AZ491 Paper roll coolant cleaner (171 litres)
AZ415 Wheel balancing stand (for static balancing)
AZ416 Portable belt superfinisher
AZ433 Wheel side dresser (without diamond)
AZ430 Hydraulic wheel tapering dresser (without diamond)
AZ456 Grinding wheel diameter 710/203 mm and 20 mm thickness
AZ457 Griding wheel 710-203 mm. 25 mm. thickness
AZ458 Grinding wheel 710-203 mm. 32 mm. thickness
AZ459 Grinding wheel 710-203 mm. 40 mm. thickness
AZ449 Grinding wheel 710-203 mm. 50 mm. thickness
AZ486 Narrow steady rest
AZ401 Auxiliary counter-weights for CG270


CG300

Hydraulic systemHydraulic systemCoolant systemLow voltage electric controls (24 V)Centralized automatic lubricant system

Standard Equipment

Crankshaft centering fixture with dial indicator
Crankshaft journal checking square
Head offset measuring device with indicator
Wheel face, side and radius dresser (diamond excluded)
No. 2 precision self centering chucks 200 mm. dia.
No. 2 steady rests
No. 2 driving dogs capacity from 20 to 75 mm.
No. 1 driving dog  capacity from 70 to 140 mm.
No. 2 driving plates for drivers
No. 2 conic centers for workhead
No. 1 blunt center for workhead
Grinding wheel 815-203mm. dia.  25 mm. thickness
Wheel balancing arbor tools
Grindwheel hub puller
Service tools and Operating Manual

    Coolant system
    Low voltage electric controls (24 V)
    Centralized automatic lubricant system
    Crankshaft centering fixture with dial indicator
    Crankshaft journal checking square
    Head offset measuring device with indicator
    Wheel face, side and radius dresser (diamond excluded)
    No. 2 precision self centering chucks 200 mm. dia.
    No. 2 steady rests
    No. 2 driving dogs capacity from 20 to 75 mm.
    No. 1 driving dog  capacity from 70 to 140 mm.
    No. 2 driving plates for drivers
    No. 2 conic centers for workhead
    No. 1 blunt center for workhead
    Grinding wheel 815-203mm. dia.  25 mm. thickness
    Wheel balancing arbor tools
    Grindwheel hub puller
    Service tools and Operating ManualRecommended equipment

Recommended equipment

Diamond and rest 1,5 kt
AZ390 Grinding coolant (5 liters)
AZ420 Pair of flanges
AZ770 Continuos journal sizing gauge (25-110mm diameter capacity)
AZ771 Measuring fork, range from 100 to 200 mm for AZ 770

Optional equipment
Version N: with pneumatic bolts
Machine with pneumatic bolts operated by pedal switch for head positioning and pneumatic movement of the tailstock
VERSIONE U: automatic movement of table and grinding wheel
Machine with automatic movement of table and grinding wheel for cylinder grinding
AZ239 Safety-guard kit conforming to CE standards
AZ780 Electronic in process grinding gauge 1 axe (for AZ 770)
AZ490 Magnetic coolant cleaner
AZ491 Paper roll coolant cleaner (171 litres)
AZ415 Wheel balancing stand (for static balancing)
AZ416 Portable belt superfinisher
AZ422 Wheel side tapering dresser (without diamond)
AZ426 Hydraulic wheel dresser (without diamond)
AZ450 Grinding wheel 815/203 mm and thickness 20 mm
AZ451 Grinding wheel 815/203mm thickness 25 mm
AZ452 Grindingwheel 815/203mm thickness 32 mm
AZ453 Grinding wheel 815/203mm and thickness 40 mm
AZ454 Grinding wheel 815/203mm thickness 50 mm
AZ455 Grinding wheel 815/203mm thickness 60 mm
AZ481 Narrow steady rest with splash guard
AZ402 Set of auxiliary counter weights

 

CG360

Standard equipment

Electronic variable speed of the headstock
Low voltage electric controls (24 V)
Rotary and cross slide heads
Hydraulic system
Coolant system
Centralized automatic lubricant system
Crankshaft centering fixture with dial indicator
Crankshaft journal checking square
Head offset measuring device with indicator
Wheel face, side and radius dresser (diamond excluded)
No. 2  precision self centering chucks 225 mm. dia.
No. 2 steadyrests
No. 2 driving dogs capacity from 70 to 140 mm.
No. 1 driving dog  capacity  from 140 to 200 mm.
No. 2 driving plates for drivers
No. 2 conic centers for workhead
No. 1 blunt center for workhead
Grinding wheel 915-305mm. dia.  32 mm. thickness
Wheel balancing arbor and grindwheel hub puller
Service tools and Operating manual

Recommended equipment
AZ410 Diamond and rest 1,5 kt
AZ431 Pair of flanges
AZ390 Grinding coolant (5 liters)
AZ770 Continuos journal sizing gauge (25-110mm diameter capacity)
AZ771 Measuring fork, range from 100 to 200 mm for AZ 770

Optional equipment
Version N: with pneumatic bolts
Machine with pneumatic bolts operated by pedal switch for head positioning and pneumatic movement of the tailstock
VERSIONE U: automatic movement of table and grinding wheel
Machine with automatic movement of table and grinding wheel for cylinder grinding
AZ240 Safety guards kit conforming to CE standard
AZ780 Electronic in process grinding gauge 1 axe (for AZ 770)
AZ490 Magnetic coolant cleaner
AZ491 Paper roll coolant cleaner (171 litres)
AZ415 Wheel balancing stand (for static balancing)
AZ416 Portable belt superfinisher
AZ422 Wheel side tapering dresser (without diamond)
AZ427 Hydraulic wheel dresser (without diamond)
AZ440 Grinding wheel 915-305 mm. dia. 25 mm. thickness
AZ441 Grinding wheel 915-305 mm. dia. 32 mm. thickness
AZ442 Grinding wheel  915-305 mm. dia. 40 mm. thickness
AZ443 Grinding wheel 915-305 mm. dia. 50 mm. thickness
AZ444 Grinding wheel 915-305 mm. dia. 60 mm.
AZ445 Grinding wheel 915-305 mm. dia. 70 mm. thickness
AZ488 Narrow steady rest
AZ403 Set of auxiliary counter weights CG360-3300


 

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