topking_ cnc cylindrical grinder OGC-1240

CNC series | OGC series

OGC-1240 | OGC-1640

Name: OGC-1240 | OGC-1640
SKU: 50

CYLINDRICAL GRINDER

INTRODUCTION

TOPKING CNC Cylindrical Grinder - OGC series is your best choice for high precision grinding work. The X-axis and Z-axis are both driven by precision ball screws and servo motors. They are equipped with a high-performance CNC control system and a built-in graphical (GUI) operation interface. The grinding is widely applied, making the operation and processing closer to the needs of users.

| CAPACITY

Swivel Over Table: Ø320 / Ø420 mm
Distance Between Center: 1000 mm
Max. Grinding Dia.: Ø300 / Ø400 mm
Grinding Wheel: Ø405 x 50 x Ø127 mm

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MACHINE FEATURE

USER FRIENDLY OPERATION SYSTEM

The built-in advanced CNC control system is equipped with GUI. The operator can divide the complex component into several grinding processes through the guidance of the graphic, and simplify the process editing of grinding, and dressing in a numerical way. No complicated programming (G code, M code) is required, and the most convenient operating environment is provided.

RIGID MACHINE BASE

■ The machine’s structure is different from the light weight design philosophy in the past; it substantially consolidates the rigidity of machine.

HYDROSTATIC LUBRICATION SYSTEM

■ The slideways of the table and the wheel head are lubricated by an advanced automatic hydrostatical lubrication system.
■ The lubrication performance of the worktable and the wheelhead has been significantly enhanced, showcasing exceptional grinding smoothness. Moreover, with the optimized operational fluidity, it becomes possible to achieve higher precision in the feed rate, ensuring the accuracy of the machining process.

WHEELHEAD CONSTRUCTION

■ The G.W. spindle is made of high-quality alloy steel SNCM-220, which has undergone multiple treatments such as normalization, quenching and tempering, carburizing heat treatment, and cryogenic treatment. Afterwards, precision grinding and mirror treatment are carried out, and the surface hardness reaches above HRC62°. Guarantee no deformation, wear resistance, high precision forever.

WORKHEAD AND TAILSTOCK

■ The work spindle utilizes precision-grade bearings, showcasing optimal stability.
■ The workhead is driven by a servo motor, enabling continuous and infinitely variable speed adjustments based on demand.
■The workhead features a fixed-type work spindle, enhancing accuracy and stability.
■ The tailstock lubrication adopts an oil-bath lubrication system, ensuring consistent high precision of the tailstock at all times.
■ The lubrication system is equipped with an oil gauge for convenient monitoring of oil quantity by operators.

DIAMOND TOOL HOLDER

(slider mounted type)

■ The dressing device is affixed to the Z-axis slide, minimizing errors caused by repeated dressing position calibrations due to adjustments in the worktable angle.
■ Diverse dressing device is available, adaptable to the requirements of the component.

GRINDING CYCLE

SPECIFICATION

Capacity	OGC-1240	OGC-1640
Swing Over Table	Ø320 mm	Ø420 mm
Distance Between Centers	1000 mm	1000 mm
Max. Grinding Diameter	Ø300 mm	Ø400 mm
Max. Grinding Length	1000 mm	1000 mm
Max. Load Held Between Centers	100 kg	150 kg
Center Height (from table to center tip)	160 mm	210 mm
Grinding Wheel
Size (O.D. x Width x I.D.)	Ø405 x 50 x Ø127 mm	Ø405 x 50 x Ø127 mm
Linear Velocity	45 m/sec	45 m/sec
Worktable
Swiveling Angle	-1° ~ +8°	-1° ~ +8°
Workhead
Swiveling Angle	-30° ~ +90°	-30° ~ +90°
Center Tapper	MT. No. 4	MT. No. 4
Spindle Speed	10 ~ 300 rpm	10 ~ 300 rpm
Max. Load of Spindle (tool holder included)	35 kg (max. length:150 mm)	35 kg (max. length:150 mm)
Tailstock
Center Tapper	MT. No. 4	MT. No. 4
Center Moving	Manual type	Manual Type
Tailstock Stroke	25 mm	25 mm
X-axis Travel
Max. Travel	250 mm	285 mm
Rapid Feedrate Speed	6000 mm/Min	6000 mm/Min
Auto. Feeding Speed	0.001 ~ 2000 mm/Min	0.001 ~ 2000 mm/Min
Min. Feeding Setting	0.001 mm	0.001 mm
Z-axis Travel
Max. Travel	1315 mm	1315 mm
Rapid Feedrate Speed	6000 mm/Min	6000 mm/Min
Auto. Feeding Speed	0.001 ~ 2000 mm/Min	0.001 ~ 2000 mm/Min
Min. Feeding Setting	0.001 mm	0.001 mm
Drive Motors
Grinding Wheel Spindle	3.75 kW (5.5 kW)	3.75 kW (5.5 kW)
Workhead Spindle Motor (servo motor)	1.3 kW (AC servo motor)	1.3 kW (AC servo motor)
Wheelhead Feed X-axis (servo motor)	1.5 kW (AC servo motor)	1.5 kW (AC servo motor)
Table Feed X-axis (servo motor)	1.5 kW (AC servo motor)	1.5 kW (AC servo motor)
Wheel Spindle Lubricant Pump	0.18 kW	0.18 kW
Hydraulic Pump	0.37 kW	0.37 kW
Coolant Pump	0.18 kW	0.18 kW
Tank Capacities
Hydraulic Pump	18 L	18 L
Coolant Tank	22 L	22 L
Machine
Machine	4333 x 2955 x2197 mm	3776 x 2449 x 2197 mm
Net Weight	4300 kg	4300 kg
Center Height (from floor to center tip)	1095 mm	1135 mm

* The mentioned specifications & dimensions are subject to change without notice.

ACCESSORIES

STANDARD ACCESSORIES

■ CNC Controller (Brand: Mitsubishi) x 1 set
■ Grinding Wheel and Flange x 1 set
■ Carbide Tipped Work Centers (2 pcs/set) x 1 set
■ Diamond Tool Holder (tailstock mounted type) x 1 set
■ Linear Scale for X-axis x 1 set
■ Grinding Wheel Inverter x 1 set
■ Electric System x 1 set
■ Fully Enclosed Splash Guard x 1 set
■ Hydraulic System x 1 set
■ Coolant System x 1 set
■ Work Lamp x 1 set
■ Tools (Leveling pad) and Tool Box x 1 set

OPTIONAL ACCESSORIES

■ Internal Grinding Attachment (incl. one spindle and G.W. inverter)
■ Hydraulic Tailstock
■ Cam-locked Driving Dogs
■ Work Holder 2 pcs/set
■ 2-point Steady Rest
■ Adjustable 3-point Steady Rest
■ Adjustable 3-jaw Scroll Chuck
■ Adjustable 4-jaw Scroll Chuck
■ Wheel Balancing Stand and Arbor
■ Auto. Grinding Wheel Balancer
■ Spare Grinding Wheel and Flange
■ Roller Dresser Device
■ Touch Probe Gauge
■ Auto. In-Process Gauge
■ Gap Control
■ Magnetic Coolant Separator
■ Paper Filter
■ Oil Mist Collector