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Palmary GU 32/42 x 100N/150NC/200NC Cylindrical Grinders

Item #: GU 32/42 x 100N/150NC/200NC Cylindrical Grinders

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Palmary GU 32/42 x 100N/150NC/200NC Cylindrical Grinders

  • 1 Stable and Rigid Spindle Head
  • (1) The spindle runs on precision bearings, assuring maximum spindle stability. It guarantees outstanding accuracy for external and internal diameter grinding and face grinding.
  • (2)The spindle head swivels +90°~-30°.
  • (3)The spindle head on the 20 series machines provides variable speed changed by frequency inverter.
  • (4)The spindle head on the 32 and 42 series is driven by servomotor, providing variable speed.
  • 2 Precision Wheel Head
  • (1) The grinding wheel spindle is precision machined from high quality alloy steel SNCM-220, normalized, tempered, carburized and sub-zero treated, precision ground and mirror-effect treated. Hardness reaches to over HRC 62°. No deformation, maximum wear resistance and lifetime accuracy are assured.
  • 3. Special Hydrostatic Bearing
  • (1) The wheel spindle runs by using a special hydrostatic bearing and is especially ideal for precision grinding work. It features high speed, no friction between metals, no heat generation, deformation-free, extra high accuracy and continual use.
  • 4. Advanced Hydrostatic Lubrication System
  • (1) The slideways of the table and the wheel head are lubricated by an advanced automatic hydrostatical lubrication system. This provides various features, such as extremely smooth movement, added feed accuracy and superior grinding accuracy.

Control: Mitsubishi

 

SPECIFICATIONS

GU 32/42 x 100NC

GU 32/42 x 150NC

GU 32/42 x 200NC

Capacity

     

Distance Between Centers

1000 mm

1500 mm

2000 mm

Swivel Over Table

320 mm / 420 mm

320 mm / 420 mm

320 mm / 420 mm

Max. Load of Centers

100 kgs / 150 kgs

100 kgs / 150 kgs

100 kgs / 150 kgs

Max. External Grinding Diameter

300 mm / 400 mm

300 mm / 400 mm

300 mm / 400 mm

Wheel Hand

     

Swivel Angle

±30°

±30°

±30°

Manual Distance

160 mm

160 mm

160 mm

Auto Rapid Advance

40 mm

40 mm

40 mm

Sliding Seat Supplementary Displacement

95 (total 295 mm)

95 (total 295 mm)

95 (total 295 mm)

Min. Setting Unit

0.001 mm

0.001 mm

0.001 mm

One Turn of Handwheel (graduation)

2 (0.005) mm

2 (0.005) mm

2 (0.005) mm

Grinding Wheel

     

O.D. x Width x I.D.

355 x 50 x 127 mm

355 x 50 x 127 mm

355 x 50 x 127 mm

Speeds (belt-type) r.p.m.

1783 / 1940

1783 / 1940

1783 / 1940

Work Spindle Head

     

Swivel Angle

120° (+90°, -30°)

120° (+90°, -30°)

120° (+90°, -30°)

Center Taper

MT : 4

MT : 4

MT : 4

Spindle Speeds (Variable) r.p.m.

10 ~ 300

10 ~ 300

10 ~ 300

Max. Load of Spindle (tool holder included)

35kgs (Max Length : 150 mm)

35kgs (Max Length : 150 mm)

35kgs (Max Length : 150 mm)

Tailstock

     

Center Taper

MT : 4

MT : 4

MT : 4

Stroke

25 mm

25 mm

25 mm

Table

     

Swivel Angle

-3°, +8°(for 100 Type)

-3°, +7° (for 150 Type)

-1°, +7° (for 200 Type)

Traverse Speed

50 / 4000 mm/min

50 / 4000 mm/min

50 / 4000 mm/min

Auto. Reciprocate Min. Stroke

8 mm

8 mm

8 mm

Feed of One Turn of Handwheel (2-step)

20 mm (2mm)

20 mm (2mm)

20 mm (2mm)

Motor

     

Wheel Spindle

3.75 kw (4P)

3.75 kw (4P)

3.75 kw (4P)

Workhead Spindle

1.3 kw

1.3 kw

1.3 kw

Hydraulic Pump

0.37 kw (4P)

0.37 kw (4P)

0.37 kw (4P)

Wheel Spindle Lubrication Pump

0.37 kw (4P)

0.37 kw (4P)

0.37 kw (4P)

Coolant Pump

0.18 kw(2P)

0.18 kw(2P)

0.18 kw(2P)

Internal Grinding Spindle

0.75 kw(2P)

0.75 kw(2P)

0.75 kw(2P)

Tank Capacity

     

Wheel Spindle Lubrication Tank

12 L

12 L

12 L

Hydraulic Fluid Tank

65 L

65 L

65 L

Coolant Tank

100 L

100 L

100 L

Machine Weight

     

Kgs

3200 kgs / 3400 kgs

4100 kgs / 4300 kgs

6000 kgs / 6200 kgs

Standard Accessories:

1. Grinding Wheel and Flange (1 set)
2. Diamond Tool Holder (Table mounted type) (1 pc)
3. Tool and Kits (1 set)
4. Carbide Tipped Work Centers (2 pcs)
5. Coolant Equipment (1 set)
6. Hydraulic Pump with Tank (1 set)
7. Work Lamp (1 pc)

Optional Accessories:

1. Internal grinding attachment (including 3-jaw chuck and one spindle)
2. Diamond tool holder for internal and external grinding wheel dressing (upward open type)
3. Diamond tool holder (Tailstock mounted type)
4. Diamond tool holder for internal and external grinding wheel dressing (sideward open type)
5. Angle trimming device
6. Radius trimming device
7. Cam locked driving dogs (6 pcs/set)
8. Work steady rest (2 pcs/set)
9. 2-point steady rest
10. 3-point steady rest
11. Adjustable 3-jaw scroll chuck
12. Adjustable 4-jaw scroll chuck
13. Magnetic coolant separator
14. Magnetic with paper filter
15. Wheel forming device for NC model (Manual No auto. compensation)
16. Wheel forming device for NC model (Auto. Compensation)
17. Wheel balancing stand and arbor