E SERIES CHESTER VERTICAL BORING MACHINES

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FEATURES

• Centralised operation button panel

• Table with manual 4 jaw chuck with chuck jaws

• High precision bearings in table speed change gearbox

• Centralised lubrication system

• Work lamps

• Hydrostatic working table with constant flow hydraulic power supply

• Hydraulic balancing mechanism on rams for high precision cutting

Model

VB800-E

VB1250-E

VB1600-E

VB2300-E

Table Diameter

720mm

1000mm

1400mm

2000mm

Max.Turning Diameter

800mm

1250mm

1600mm

2300mm

Max.Working Height

800mm

1000/1200/1400mm

1000/1200/1400/1600mm

1300/1600mm

Max.Weight of Workpiece

1200kg

3200kg

5000kg

8000kg

Speed Range of Table

10-315r/min

6.3-200r/min

5-160r/min

3.2-80r/min

Speed-step of Table

16

16

16

16

Feed Range

0.8-86r/min

0.8-86r/min

0.8-86r/min

0.8-86r/min

Feed Steps

12

12

12

12

Horizontal Travel of Rail Head 

570mm

700mm

915mm

1210mm

Vertical Travel of Rail Head 

650mm

650mm

800mm

800mm

Horizontal Travel of Side Head

500mm

500mm

650mm

630mm

Vertical Travel of Side Head

810mm

900mm

1000mm

1150mm

Travel of Cross Beam

580mm

650/850/1050mm

850/1050/1250/1450mm

890/1240mm

Moving Degree Limit of Rail Head

±30°

±30°

±30°

±30°

Size of Tool Bar (L×W)

30×40mm

30×40mm

30×40mm

30×40mm

Power of Main Motor

22kw(29.5hp)

22kw(29.5hp)

30kw(40.2hp)

30kw(40.2hp)

Power of Feed Motor 

1.3/1.8kw(1.7/2.4hp)

1.3/1.8kw(1.7/2.4hp)

1.3/1.8kw(1.7/2.4hp)

1.3/1.8kw(1.7/2.4hp)

Net Weight of Machine 

7200kg

9500kg

12700kg

19500kg

Overall Dimensions (L×W×H)

2080×2621×3405mm

2277×2540×3405mm

2662×2800×3550mm

3235×3240×3910mm

 

Model

VB2500-E

VB4000-E

VB4000-E

Table Diameter

2250mm

2830/3150mm

3200/3600mm

Max.Turning Diameter

2500mm

4000mm

4000mm

Max.Working Height

1600/2000mm

1600/2000/2500mm

2000/2500/3150mm

Max.Weight of Workpiece

10,000/20,000kg

10,000/20,000kg

32,000/50,000kg

Speed Range of Table

2-63r/min

2-63r/min

0.4-40r/min

Speed-step of Table

16(II Gears Stepless)

16(II Gears Stepless)

II Gears Stepless

Max.Torque of Table

1400mm

63Kn.m

80/100Kn.m

Horizontal Travel of Left and Right Rail Head 

63Kn.m

2150mm

2150mm

Vertical Travel of Left and Right Rail Head

1000mm

1000/1250mm

1250/1600mm

Travel of Cross Beam

1250/1650mm

1250/1650/2150mm

1650/2150/2800mm

Moving Degree Limit of Rail Head

±30°

±30°

±30°

Power of Main Motor

55kw(73.7hp)

55kw(73.7hp)

75kw(100.5hp)

Net Weight of Machine 

33,000/35,000kg

43,000/45,000/48,000kg

55,000/60,000/65,000kg

Overall Dimensions (L×W×H)

5180×5200×4870mm

5180×5200x5270mm

7680×6500×4870mm

7680×6500x5270mm

7680×6500x5770mm

7680×6500×5975mm

7680×6500x6475mm

7680×6500x7125mm

 

STANDARDACCESSORIES

• Tool post

• 2 Axis DRO

OPTIONAL ACCESSORIES

• Side Turret

• DRO for Side Turret

• 4 Step Gearbox

 

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