Palmary GU42x200NC Cylindrical Grinder (GU42x200NC)

Grinding wheel and flange x 1
Grinding wheel inverter x 1
Diamond tool holder (table mounted type) x 1
Carbide tipped work centers (2 pcs/set) x 1
Electric system x 1
Hydraulic tank with pump x 1
Coolant tank with pump x 1
Work lamp x 1
Tools (Leveling pad) and tool box x 1

 

Internal grinding attachment (included one spindle)
Diamond tool holder for internal and external grinding wheel dressing (upward open type)
Diamond tool holder (tailstock mounted type)
Diamond tool holder for internal and external grinding wheel dressing (sideward open type)
Angle trimming device
Radius trimming device
Cam locked driving dogs (6 pcs/set)
Work steady rest (2 pcs/set)
2-point steady rest
3-point steady rest
Adjustable 3-jaw scroll chuck
Adjustable 4-jaw scroll chuck
Magnetic coolant separator
Magnetic coolant separator with paper filter
Wheel forming device (Manual type, without auto. compensation)
Wheel forming device (For NC model, with auto. compensation)
Wheel balancing stand and arbor

 

Model	GU42x200NC
Capacity
Swivel over table	Ø420 mm
Distance between centers	2000 mm
Max. external grinding diameter	Ø400 mm
Max. load of centers	150 kgs
Grinding wheel
O.D. x width x I.D.	Ø405 x 50 x Ø127 mm
Linear velocity	45 M/s
Grinding wheel - X axis
Manual distance	160 mm
Auto. rapid advance	40 m/min
Max. stroke	250 mm
Min. setting unit	0.001 mm
One turn of handwheel (graduation)	2 (0.005) mm
Table - Z axis
Traverse speed	1.5 m/min
Max. stroke	2300 mm
Auto. reciprocate min. stroke	8 mm
Feed of one turn of handwheel (2-step)	20 mm (2 mm)
Swivel angle	-1°, +7°
Work spindle head
Swivel angle	-30° ~ +90°
Center taper	M.T. No. 4
Spindle speed (variable)	10~300 r.p.m.
Max. load of spindle (tool holder included)	35 kgs (max. length : 150 mm)
Tailstock
Center taper	M.T. No. 4
Stroke	25 mm
Fine adjustment range	±0.03 mm
Motor
Wheel spindle	3.7 kW (4P)
Workhead spindle (AC Servo Motor)	2.0 kW (4P) Frequency
Hydraulic pump	0.37 kW (4P)
Wheel spindle lubrication pump	0.18 kW (4P)
Coolant pump	0.18 kW (2P)
Internal grinding spindle (opt.)	0.75 kW (2P)
Power
Total voltage	11 KVA
Tank
Wheel spindle lubricant tank	9 L
Hydraulic tank	46 L
Coolant tank	110 L
Machine weight
New weight	6200 kgs