Types, Process & Working Principle of Cylindrical Grinding Machines

A cylindrical grinder is a type of grinding machine used to shape the outside of an object. The grinder can work on a variety of shapes; however, the object must have a central axis of rotation. This includes but is not limited to cylinders, ellipses, and crankshafts. Cylindrical grinders are commonly used for precision grinding of shafts, rods, and other cylindrical components.

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Technical parameter of cylindrical grinder

Machine tool model	MW1320-520	M1320-750
swing	220mm
Center distance	550mm	780mm
center height	125mm
maximum grinding diameter	￠200mm
Maximum weight between top tier rooms	60kg
Grinding wheel size	￠400×40×203
Grinding wheel linear velocity	38m/min-45m/min
Full stroke of grinding wheel holder	150mm
The amount of movement in one rotation of the handwheel	0.01mm (coarse) 0.005mm (fine)
The amount of movement of one square of the handwheel	0.01mm (coarse) 0.0025mm (fine)
Workbench feed rate	0.1～4m/min
Workbench rotation angle	-5°～+7°	-3°～+7°
Maximum travel of workbench	550mm	780mm
Head frame spindle taper hole Mohs number	4#or3#
Head frame speed	60, 85, 230, 120, 170, 460r/min
Head frame rotation angle	-30°～90°
Tail frame sleeve taper hole Morse number	4#or3#
Tail rack top travel	25mm
Grinding wheel motor power	4kw
Headframe motor power	0.75kw
Oil pump motor power	0.75kw
Cooling pump motor power	0.125kw
Total power of machine tool	About 7kw
roundness	0.002mm
roughness	0.32Ra
Machine weight	2100kg	2300kg
Machine size (m)	2.2×1.6×1.6	2.6×1.6×1.6

Types of Cylindrical Grinders

NC Cylindrical Grinders: These machines are equipped with a numerical control system that enhances precision and automation in grinding operations. The NC series, like the Palmary GU32x60NC, offers unmatched structural rigidity and grinding accuracy.
CNC Cylindrical Grinders: With advanced computer numerical control, these machines offer high precision and are ideal for complex shapes and high-volume production. The STANDARD EGE-500x3000 CNC model is an example, providing a maximum grinding length of up to 4000 mm with exceptional precision.
Manual Cylindrical Grinders: These are traditional machines that require manual operation, suitable for smaller jobs and projects where automation is not necessary.
Centreless Grinding Machines: Unlike traditional cylindrical grinders, these machines do not require the workpiece to be clamped between centers. They are ideal for high-volume production and offer high precision and efficiency.

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