Republic Lagun | Cylindrical Grinders GER CU 600

Cylindrical Grinder GER CU 600Multi-Function Cylindrical Grinders

The structure of the machine is based in a "T" shape bed. The longitudinal bedside supports the table on its longitudinal movement in "Z" axis. The cross bedside supports the Wheel head saddle on its transversal movement in "X" axis. At both sides of the table are located the two part clamping devices: Work head and Tailstock. These are made in perlitic iron, strongly ribbed for the highest rigidity. The guides on all the moving parts are scrapped and have a prismatic structure consisting of a "V and Flat" way.

The counter guides are coated with a "low friction" material (Turcite) that reduces to a minimum wear and "stick slip" that could appear at very low feeds. Therefore, the sliding of the saddles is absolutely uniform, resulting in optimal grinding results on the working part. The table is supported on the bed in all positions, even at the most extreme positions from the centre position of the table. This type of guide allows precise grinding surface finish on the work piece.

The table is provided with double dovetail guides allowing the positioning of the Work head and Tailstock in any desired position. It has an adjustable swivelling angle over the bed that allows more easy conical operations working preparations.

Cylindrical Grinder GER CU 600Multi-Function Cylindrical Grinders

SPECIFICATION	CU-600
Main Features
Distance between centres	23.62” (600 mm)
Centre height	7.08” (180 mm) (see extra access.)
Maximum grinding diameter	13.77 “(350 mm) (see extra access.)
Maximum work piece weight on centres	150 kg
Maximum work piece weight on chuck	60 kg
General dimensions	3 x 2.45 x 1.8 m
Machine weight	5,500 kg.
Positioning accuracy	According to VDI/DGQ-3441 standard
Longitudinal Axis–Z (Table)
Total Stroke	30.7” (780 mm)
Table plate	Index able
Table orientation	+/- 10 degrees
Minimum programmable feed	0.01 mm/min
Maximum programmable feed	10,000 mm/min
Resolution	0.001 mm
Guiding	“V” and flat with Turcite coating on the counter guides
Measurement System	Encoder: 0.001 mm resolution
Servomotor	Digital (C.A.)
Transversal Axis – X (Wheel Head Saddle)
Total stroke	350 mm
Minimum programmable feed	0.01 mm/min
Maximum programmable feed	10,000 mm/min
Resolution	0.001 mm
Guiding	“V” and flat with Turcite coating on the counter guides
Measurement System	Encoder: 0.001 mm resolution
Servomotor	Digital (C.A.)
Wheel head
Wheel dimensions	500 x 80 x 203 mm
Peripheral speed	45 m/sec
Speed	1,720 / 2,150 rpm
Head indexing	Manual
Motor power	7.5 kw
Work head
Spindle speed	10-800 rpm
Work head nose	55.026 size 5
Servomotor	10 nm digital (C.A.)
Head indexing	Manual +/- 45 degrees
Tailstock
Type	Manual
Taper centre	C.M. 4
Maximum centre travel	40 mm
Quill diameter	50 mm
Maximum taper correction	+/- 0.1 mm
Motor Drives
Wheel head	7.5 kw
Work head	10 nm
Longitudinal axis (table)	7.9 nm
Cross axis (wheel head saddle)	7.9 nm
Coolant system	1 kw
Lubrication	0.75 kw
Miscellaneous
CNC control	FAGOR 8055 TCO
Control board and machine panel
One dressing diamond of 1.25 k	Tailstock mounted
Grinding wheel guards according to	DIN, OSHA and UNE standards
Guides and spindles lubrication	Centralized
Electrical componentsTELEMECANIQUE	SIEMENS
Two sliding doors covers
Colour	Grey (Ral 7035 & Ral 7031)
Electric power	380 v., III, 50 hz
Coolant pressure	4 Bar

Cylindrical Grinder GER CU 600Multi-Function Cylindrical Grinders

Cylindrical Grinder GER C 450Multi-Function Cylindrical Grinders

SPECIFICATION	RCG-ST-1620	RCG-ST-1640	RCG-ST-1660
Distance between centers	23.6” (600 mm)	39.4” (1000 mm)	59” (1500 mm)
Swivel over table	16.5” (420 mm)	16.5” (420 mm)	16.5” (420 mm)
Max. Load of Centers	440 lbs. (200 kg.)	440 lbs. (200 kg.)	440 lbs. (200 kg.)
Max. External Grinding Diameter	15” (380 mm)	15” (380 mm)	15” (380 mm)
Swivel angle	± 30°	± 30°	± 30°
Manual Distance	6.3” (160 mm)	6.3” (160 mm)	6.3” (160 mm)
Auto Rapid Advance	1.6” (40 mm)	1.6” (40 mm)	1.6” (40 mm)
Sliding Seat Supplementary Displacement	95 [total 10” (255 mm)]	95 [total 10” (255 mm)]	95 [total 10” (255 mm)]
Min. Setting Unit- graduation	0.0001”” (0.0025 mm)	0.0001”” (0.0025 mm)	0.0001”” (0.0025 mm)
One Turn of Handwheel feed (graduation)	.08” (0.0002 mm) [2 mm (0.005 mm)]	.08” (0.0002 mm) [2 mm (0.005 mm)]	.08” (0.0002 mm) [2 mm (0.005 mm)]
Micrometric feed	0.00004” (0.001 mm)	0.00004” (0.001 mm)	0.00004” (0.001 mm)
Handwheel Straight Infeed	0~0.01” (0~0.35 mm)	0~0.01” (0~0.35 mm)	0~0.01” (0~0.35 mm)
O.D. x Width x I.D.	14”x 2”x 5” (355 x 50 x 127 mm)	14”x 2”x 5” (355 x 50 x 127 mm)	14”x 2”x 5” (355 x 50 x 127 mm)
Speeds (belt type) r.p.m	1,783 rpm	1,940 rpm	1,940 rpm
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	16~450 rpm	16~450 rpm	16~450 rpm
Max. Load of Spindle (tool holder included)	77 lbs (Max length: 6”) [35 Kgs (Max. length: 150 mm)]	77 lbs (Max length: 6”) [35 Kgs (Max. length: 150 mm)]	77 lbs (Max length: 6”) [35 Kgs (Max. length: 150 mm)]
Taper Center	MT 4	MT 4	MT 4
Stroke	1” (25 mm)	1” (25 mm)	1” (25 mm)
Swivel Angle	10°	8°	8°
Traverse Speed	2”~157.5”/min (50~4000 mm/min)	2”~157.5”/min (50~4000 mm/min)	2”~157.5”/min (50~4000 mm/min)
Auto. Reciprocate Min. Stroke	0.12” (3 mm)	0.12” (3 mm)	0.12” (3 mm)
Feed of one turn of Handwheel (2 step)	0.8” (0.08”) [20 mm (2 mm)]	0.8” (0.08”) [20 mm (2 mm)]	0.8” (0.08”) [20 mm (2 mm)]
Wheel Spindle	5 HP (3.75 kW) (4 P)	5 HP (3.75 kW) (4 P)	5 HP (3.75 kW) (4 P)
Workhead Spindle	1.75 HP (1.3 kW) (Servomotor)	1.75 HP (1.3 kW) (Servomotor)	1.75 HP (1.3 kW) (Servomotor)
Hydraulic Pump	1 HP (0.75 Kw) (6 P)	1 HP (0.75 Kw) (6 P)	1 HP (0.75 Kw) (6 P)
Wheel Spindle Lubrication Pump	0.24 HP (0.18 Kw) (2 P)	0.24 HP (0.18 Kw) (2 P)	0.24 HP (0.18 Kw) (2 P)
Coolant Pump	0.24 HP (0.18 kW) (2 P)	0.24 HP (0.18 kW) (2 P)	0.24 HP (0.18 kW) (2 P)
Internal Grinding Spindle	1 HP (0.75 Kw) (2 P)	1 HP (0.75 Kw) (2 P)	1 HP (0.75 Kw) (2 P)

Cylindrical Grinder GER C 450Multi-Function Cylindrical Grinders

SPECIFICATION	FS-1050-SD
Grinding Surface	39.37” x 23.62”(1000 x 600mm)
Grinding Area	39.37”x 19.69”x 16.73”(1000x 500 x 425mm)
Clamping Surface	39.37” x 19.69”(1000x500mm)
Table Slot	3 slots, middle 18 H7
Table Load Max	3,042 lbs (1,380 kg)
Table Longitudinal Movement	0.79” x 41.34”(20-1050mm)
Table Drive	Hydraulic
Table Speed	0.08-1.1 in/min (2-28 m/min)
Table Speed Control	Control valve
Table Set up	Push Button
Distance Table to Spindle Center	7.09” x 24.61”(180-625mm)
Vertical Drive	Electromechanical with Ball Screw
Vertical Speed	3.94-39.37 in/min (100-1000 mm/min)
Vertical Set up	Electrical Hand–wheel or Push Button
Minimum Infeed	0.00004” (0.001 mm)
Measuring System	Motor Measuring System
Cross Movement Max	19.69” (500 mm)
Drive Mode	Electromechanical with Ball Srew Drive
Cross Speed	3.94-39.37 in/min (100-1000 mm/min.)
Cross Set up	Electrical Hand-wheel or Push Button
Measuring System	Motor Measuring System
Spindle Motor	14.75 HP (11 kW)
Spindle Speed	1,400 RPM
Grinding Wheel Size, Standard	15.75” x 3.94” x 5”(400x100x127 mm)
Spindle Bearing	Precision Roller Bearing
Lubrication	Lifetime- Lubrication

Cylindrical Grinder GER C 450Multi-Function Cylindrical Grinders

SPECIFICATIONS	AT-2140-G-TW	AT-2160-G-TW
Swing over bed	21” (533 mm)	21” (533 mm)
Swing over cross slide	14” (356 mm)	14” (356 mm)
Distance between centers	40” (1000mm)	60” (2000mm)
Spindle nose	D1-8	D1-8
Spindle bore(max. bar diameter)	3 1/16” (78.5 mm)	3 1/16” (78.5 mm)
Spindle speed	16 steps	16 steps
Spindle speed range	20 – 1,600 rpm	20 – 1,600 rpm
Ranges:	20-25-35-50-65-85-115-150-210- 280-380-500-670-900-1200-1600	20-25-35-50-65-85-115-150-210- 280-380-500-670-900-1200-1600
Length on bed	21” (537 mm)	21” (537 mm)
Width of bridge	21 3/8” (542 mm)	21 3/8” (542 mm)
Cross slide travel	11” (280 mm)	11” (280 mm)
Top slide travel	5 3/8” (137 mm)	5 3/8” (137 mm)
Number of V ways	3 each “V” ways	3 each “V” ways
Bed width	13 ½” (345 mm)	13 ½” (345 mm)
Swing in gap	31” (790 mm)	31” (790 mm)
Gap bed length from faceplate	8” (200 mm)	8” (200 mm)
Quill diameter	4” (102 mm)	4” (102 mm)
Quill center	M.T. 5	M.T. 5
Quill travel	7” (178 mm)	7” (178 mm)
Range of whit worth threads& No. ( )	2-72 T.P.I (45)	2-72 T.P.I (45)
Range of metric threads No.	0.2/14 (39)	0.2/14 (39)
Range of D.P. & No.( )	8-44 (21)	8-44 (21)
Range of M.P. & No. ( )	0.3-3.5 (18)	0.3-3.5 (18)
Longitudinal feed	0.0015-0.04” (0.04-1.0 mm)	0.0015-0.04” (0.04-1.0 mm)
Cross feeds	0.00075-0.02” (0.02-0.5 mm)	0.00075-0.02” (0.02-0.5 mm)
Main motor	12 ½ hp (9 kW)	12 ½ hp (9 kW)
Coolant pump	1/8 hp (0.09 kW)	1/8 hp (0.09 kW)
Length packed	100” (2500 mm)	118” (3000 mm)
Width packed	>44” (1,120 mm)	>44” (1,120 mm)
Height packed	>66” (1,670 mm)	>66” (1,670 mm)
Gross Weight	5,830lbs (2650kg)	6,600lbs (3000kg)

Cylindrical Grinder GER C 450Multi-Function Cylindrical Grinders

SPECIFICATIONS	AT-2180-G-TW	AT-21120-G-TW
Swing over bed	21” (533 mm)	21” (533 mm)
Swing over cross slide	14” (356 mm)	14” (356 mm)
Distance between centers	80” (2000mm)	120” (3000mm)
Spindle nose	D1-8	D1-8
Spindle bore(max. bar diameter)	3 1/16” (78.5 mm)	3 1/16” (78.5 mm)
Spindle speed	16 steps	16 steps
Spindle speed range	20 – 1,600 rpm	20 – 1,600 rpm
Ranges:	20-25-35-50-65-85-115-150-210- 280-380-500-670-900-1200-1600	20-25-35-50-65-85-115-150-210- 280-380-500-670-900-1200-1600
Length on bed	21” (537 mm)	21” (537 mm)
Width of bridge	21 3/8” (542 mm)	21 3/8” (542 mm)
Cross slide travel	11” (280 mm)	11” (280 mm)
Top slide travel	5 3/8” (137 mm)	5 3/8” (137 mm)
Number of V ways	3 each “V” ways	3 each “V” ways
Bed width	13 ½” (345 mm)	13 ½” (345 mm)
Swing in gap	31” (790 mm)	31” (790 mm)
Gap bed length from faceplate	8” (200 mm)	8” (200 mm)
Quill diameter	4” (102 mm)	4” (102 mm)
Quill center	M.T. 5	M.T. 5
Quill travel	7” (178 mm)	7” (178 mm)
Range of whit worth threads& No. ( )	2-72 T.P.I (45)	2-72 T.P.I (45)
Range of metric threads No.	0.2/14 (39)	0.2/14 (39)
Range of D.P. & No.( )	8-44 (21)	8-44 (21)
Range of M.P. & No. ( )	0.3-3.5 (18)	0.3-3.5 (18)
Longitudinal feed	0.0015-0.04” (0.04-1.0 mm)	0.0015-0.04” (0.04-1.0 mm)
Cross feeds	0.00075-0.02” (0.02-0.5 mm)	0.00075-0.02” (0.02-0.5 mm)
Main motor	12 ½ hp (9 kW)	12 ½ hp (9 kW)
Coolant pump	1/8 hp (0.09 kW)	1/8 hp (0.09 kW)
Length packed	138” (3510 mm)	178” (4520 mm)
Width packed	>44” (1,120 mm)	>44” (1,120 mm)
Height packed	>66” (1,670 mm)	>66” (1,670 mm)
Gross Weight	7,480lbs (3400kg)	9,240lbs (4200kg)

Cylindrical Grinder GER CU 600

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Cylindrical Grinder GER CU 600Multi-Function Cylindrical Grinders

Cylindrical Grinder GER CU 600Multi-Function Cylindrical Grinders

Cylindrical Grinder GER CU 600Multi-Function Cylindrical Grinders

Cylindrical Grinder GER C 450Multi-Function Cylindrical Grinders

Cylindrical Grinder GER C 450Multi-Function Cylindrical Grinders

Cylindrical Grinder GER C 450Multi-Function Cylindrical Grinders

Cylindrical Grinder GER C 450Multi-Function Cylindrical Grinders

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