CNC external cylindrical grinding machine is a grinding machine for processing cylindrical and conical workpieces ; it is the most widely used and can process various cylindrical and conical outer surfaces and shoulder end surface grinding machines. Among all grinding machines, external cylindrical grinding machine is the most widely used type of machine tool. It is generally composed of a cast iron bed as the basic part, a worktable, a headstock and tailstock that support and drive the workpiece to rotate, a grinding wheel frame (grinding head) for installing the grinding wheel, a lateral feed mechanism that controls the size of the grinding workpiece, and electrical and hydraulic devices that control the movement of the moving parts of the machine tool. CNC external cylindrical grinding machines are widely used in many industries due to their high efficiency and high precision in processing, as follows:
1.Military and aerospace fields
Processing of key parts: Suitable for processing high-precision parts such as aircraft engine rotors, bearing races, aircraft structural parts, etc., ensuring that their dimensional accuracy and surface finish meet the stringent standards of aerospace .
Military equipment manufacturing: used for grinding of precision weapon systems, missile guidance components and other military products to ensure their reliability and stability .
2.Auto industry
Core components of the engine: such as crankshafts, camshafts, gearbox gear shafts , etc. High-precision CNC cylindrical grinding machines can ensure the dimensional accuracy and surface quality of these key components and improve the quietness and durability of the engine .
New energy vehicle parts: With the popularization of new energy vehicles, this grinder can be used for efficient and precise processing of motor shafts, reducer gears, etc., meeting the silent requirements of high-precision gears .
3.Precision machinery and bearing manufacturing
High-precision bearing processing: suitable for precision grinding of bearing inner and outer rings, rollers, etc. to ensure the rotation accuracy and service life of the bearing .
Hydraulic component manufacturing: such as hydraulic pump core components, precision valve bodies, etc., require high surface finish and strict tolerance control .
4.Energy and Construction Machinery
Large shaft parts: such as wind turbine main shafts, ship propulsion shafts , etc. High-precision CNC cylindrical grinding machines can process longer workpieces to ensure their straightness and roundness .
Heavy machinery parts: such as rollers, construction machinery drive shafts, etc., can achieve efficient and stable batch processing through CNC systems .
5.Electronics and semiconductor equipment
Precision shaft parts: used for high-precision transmission shafts, optical lens barrel support shafts, etc. in semiconductor manufacturing equipment to ensure nanometer-level processing accuracy .
6.Mould and tool making
Precision mold mandrel: suitable for grinding high-precision parts such as injection molds and stamping molds to improve mold life and molding quality.
Recently, Shanghai ANTISHICNC Machinery Equipment received an inquiry from a customer for a CNC cylindrical grinder. The customer sent a workpiece drawing. The customer’s workpiece is 800mm long and has a small diameter. It has extremely high requirements for the machine’s roundness, cylindricity, and roughness. After our professional engineers looked at the workpiece drawings and customer requirements, they recommended our company’s high-precision CNC cylindrical grinder MKG1332x1000.
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| Customer’s workpiece drawing (blurred) |
MGK1332 high-precision CNC cylindrical grinder, the worktable guide adopts the initial unloading static pressure guide structure, the cross feed adopts the Swiss N/O type linear guide structure, and adopts high-precision ball screw transmission, low speed and no creep. The grinding wheel spindle adopts a large taper, four oil wedges, and automatic gap adjustment dynamic pressure bearings. The head frame adopts a static spindle top grinding structure, and the tail frame adopts a dense bead sleeve or linear bearing structure. The overall rigidity is strong and the precision is high. The bed adopts a double-layer structure (finite element analysis), and the special ratio cast iron is cast in one piece. The guide rail joint surface is manually scraped and ground precisely, and the thermal deformation is stable, and the precision remains stable for a long time.
Below are the specific technical parameters of this CNC cylindrical grinder.
| Model | Unit | MGK1332x1000/1500 |
| General Capacity | ||
| Max.length grinding(O.D) | mm | 1000/1500 |
| Center height | mm | 180 |
| Dia.grinding(O.D) | mm | 8-320 |
| Max. weight of work piece | kg | 100 |
| Work Head | ||
| Center taper | MT | 5 |
| Spindle speed(step less) | r/min | 35-350 |
| Wheel Head | ||
| Max. dimension of wheel(O.D*W*I.D) | mm | 500*80*203 |
| Wheel peripheral velocity | m/s | 45 |
| Min.set unit | mm | 0.0001 |
| Worktable | ||
| Max. swiveling angle of table | ° | 3 |
| 7（1000） 6（1500） |
||
| Tail Stock | ||
| Center taper | MT | 4 |
| Quill manually travel | mm | 30 |
| Electric system | ||
| CNC system | Standard :Siemens 828 | |
| Optional:FANUC 0I | ||
| Wheel head motor power | Kw | 7.5 |
| Work head motor power | Kw | 1.5 |
| Machining Accuracy | ||
| Roundness | μm | 0.5 |
| Cylindricity | μm | 3 |
| Roughness | μm | Ra 0.04 |
| Machine Package | ||
| Weight | kg | 6700(1000) |
| 7700(1500) | ||
| Package dimension(L*W*H) | cm | 460*250*228(1000) |
| 560*250*228(1500) | ||
If you also have a need for high-precision CNC cylindrical grinding machines , please feel free to contact Shanghai Ants. We have professional engineers who can provide you with professional technical support.
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