Republic Lagun | Cylindrical Grinders GER C 450

Cylindrical Grinder GER C 450Multi-Function Cylindrical Grinders

STANDARD ACCESSORIES

Standard coolant system
Electrical adaptation for auto calibrating
Longitudinal and cross guides covered with synthetic Turcite
Wheel balancing axe
Tailstock dressing device
Standard diamond
Grinding wheel flange
Standard wheel
Two hardened tool steel centers: Morse 3
Set of driving dogs
Color: Grey Ral 7035 + blue Ral 5012
Machine Instructions and Maintenance book

Cylindrical Grinder GER C 450Multi-Function Cylindrical Grinders

SPECIFICATION	C-450
Distance between centres	17.71” (450 mm.)
Max. Grinding diam. with Ø 400 mm	10.82” (275 mm.)
Max. Work piece weight on centres	130 kg.
Maximum work piece weight on chuck	60 Kg.
General dimensions	2,6 x 1,6 x 2 m
Machine weight	2,400 Kg.
Geometrical Verification	According to DIN 8630 standard
Total Stroke	13.77” (350 mm).
Rapid feed	40 m/min
Maximum work feed travel	2 mm / inversion.
Table reversal incremental feed	0,005 – 0,04 mm / inversion
Wheel dimensions	400 x 50 x 127 mm.
Peripheral speed	45 m/sec.
Grinding wheel speed	1500 / 1,900 r.p.m.
Type of Rotation	Manual
Type of clamping to the table	Rotary 360 degrees
Spindle speed	55 - 400 rpm.
Work head nose	S/DIN 55.021 Type 6B
Work head internal taper	Morse 5
Type of clamping of the quill	Manual
Internal taper	Morse 3
Taper center	5 C.M.
Maximum quill stroke	1.18” (30 mm.)
Quill diameter	1.57” (40 mm).
Wheel head	4 Kw.
Work head	1 Kw
Hydraulic pump	0,75Kw.
Coolant pump	0,75 Kw
Control board / Machine panel with	Indications lamps
Two (2) dressing points	Wheel head and Tailstock mounted
Grinding wheel guards according to	DIN, OSHA, and UNEstandards
Guides and spindles lubrication	Centralised
Electrical components	SIEMENS®TELEMECANIQUE
Sliding doors	Two
Colour	Grey Ral 7035&Blue Ral 5012
Electric power	380 v., III, 50 Hz.
Coolant pressure	4 Bar

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 C 450

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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

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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