Hillary Machinery supplies universal ID/OD cylindrical grinders for precision grinding of outside diameters, inside diameters, shafts, bores and other rotationally symmetrical components. Our cylindrical grinding solutions include Chevalier OD grinders and Hyundai WIA ID/OD grinding technology for applications requiring tight dimensional accuracy, roundness and surface finish.
Universal ID/OD cylindrical grinders are precision grinding machines designed to produce accurate external and internal cylindrical surfaces on shafts, bores and other rotationally symmetrical components.
Hillary Machinery offers cylindrical grinding solutions from Chevalier and Hyundai WIA for manufacturers requiring precise diameter control, roundness, concentricity and surface finish.
A cylindrical grinder removes controlled amounts of material from a rotating workpiece using an abrasive grinding wheel. The process is commonly used after turning or heat treatment when tighter dimensional tolerances or improved surface finish are required.
Cylindrical grinding can be applied to components including shafts, pins, journals, rollers, sleeves, spindles, tubes and other round workpieces.
OD grinding, or outside-diameter grinding, removes material from the external cylindrical surface of a workpiece.
OD grinding is commonly used to control outside diameter, roundness, cylindricity, taper and surface finish on precision rotating components.
ID grinding, or internal-diameter grinding, produces precision internal cylindrical surfaces such as bores.
ID grinding can be used when an internal diameter requires tighter dimensional, geometric or surface-finish control than can be achieved economically through boring, turning or other preceding machining operations.
A universal cylindrical grinder provides additional flexibility for grinding different cylindrical features and workpiece configurations. Depending on machine design and installed equipment, a universal grinder may support external grinding, internal grinding, straight cylindrical grinding, taper grinding and other precision grinding operations.
Actual ID and OD capabilities depend on the specific machine configuration, so the required grinding operations should be confirmed when selecting a machine.
Hillary Machinery offers a broad range of Chevalier CGP cylindrical grinders for precision OD grinding applications.
Current Chevalier CGP models include:
The CGP lineup provides different swing and distance-between-centers capacities for workpieces ranging from smaller precision components to substantially longer shafts.
Explore Chevalier Grinding Machines
Chevalier CGP cylindrical grinders incorporate features designed to support precision and repeatable grinding, including hydrostatic spindle-bearing technology, precision ball-screw positioning and automated grinding cycles on applicable configurations.
Automated cycles can combine rough grinding, fine grinding and spark-out, helping establish a repeatable process for precision production work.
Hillary Machinery also offers Hyundai WIA ID/OD grinding technology for applications requiring precision cylindrical grinding capability.
Hyundai WIA grinding solutions expand the available machine configurations beyond conventional cylindrical OD grinding and should be evaluated around the specific workpiece, internal and external grinding requirements and production objectives.
A cylindrical grinder is primarily designed to grind round workpieces and cylindrical features. A surface grinder is primarily designed to produce precision flat surfaces.
Manufacturers requiring flatness, parallelism and precision flat-surface finishing should consider a surface grinding machine.
CNC turning is generally used to establish the primary geometry and dimensions of a cylindrical component efficiently.
Cylindrical grinding is often performed after turning when the finished component requires tighter diameter control, improved roundness or a finer surface finish.
Grinding can also be particularly important after heat treatment when hardened components require final dimensional finishing.
Many cylindrical grinding applications support the workpiece between centers. This arrangement can be particularly effective for precision grinding of shafts and other components where concentricity between multiple cylindrical surfaces is important.
Maximum workpiece diameter, length and weight must be matched to the swing, distance-between-centers and workpiece capacity of the selected grinder.
ID and OD cylindrical grinders are used for precision components including:
Cylindrical grinding is commonly used as a finishing process for hardened components where conventional turning may no longer provide the required combination of dimensional accuracy and surface finish.
The appropriate grinding wheel, machine configuration, coolant and process parameters should be selected around the workpiece material, hardness, stock allowance and finished-part requirements.
Precision cylindrical grinding can be used to control more than simply the diameter of a workpiece. Depending on the application, important requirements can include roundness, cylindricity, straightness, concentricity, taper and surface finish.
Workholding, machine condition, wheel selection, wheel dressing, coolant and grinding parameters all contribute to the final grinding result.
Selecting the appropriate cylindrical grinder should begin with the workpiece and required finished condition. Hillary Machinery can help evaluate:
An OD grinder is a cylindrical grinding machine used to grind the outside diameter of a round workpiece such as a shaft, pin, journal or roller.
An ID grinder is used to precision grind internal cylindrical surfaces, particularly bores requiring accurate diameter, geometry and surface finish.
OD grinding removes material from an external cylindrical surface, while ID grinding removes material from an internal cylindrical surface or bore.
A universal cylindrical grinder provides flexibility for multiple cylindrical grinding operations and workpiece configurations. Available operations depend on the particular machine and installed grinding equipment.
Yes. Cylindrical grinding is commonly used for final finishing of hardened steel components when the correct grinding wheel, machine and process are selected for the application.
Many cylindrical grinding configurations can produce tapered surfaces. The required taper, part geometry and machine configuration should be evaluated before selecting a grinder.
Grinding is commonly used after turning when a shaft requires tighter dimensional tolerances, improved roundness, better surface finish or final machining after heat treatment.
Hillary Machinery can help evaluate your workpiece diameter, length, bore, material, hardness, tolerances, surface finish and production requirements to identify the appropriate cylindrical grinding solution.
View Available Universal ID/OD Cylindrical Grinders or contact Hillary Machinery to discuss your grinding application.
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