ANTISHICNC has specialized in metalworking machine tools for 28 years, offering a commitment to quality and service. Our equipment utilizes high-strength alloy castings and imported precision spindles. After 72 hours of continuous load testing, our machines boast a machining accuracy of 0.001mm. ISO9001 and CE certifications guarantee a ten-year maintenance-free lifespan.Our multi-disciplinary team is expert in equipment manufacturing and all-metal machining processes, enabling us to provide comprehensive process solutions. We offer customized services and ODM/OEM collaboration, tailoring parameters and modules to meet customer needs. Orders start at one unit, and we serve over 20 industry segments.We offer one-stop services including equipment selection, installation and commissioning, training, and lifetime maintenance. We have established a four-step quality inspection system and have supplied over 12,000 machines to over 3,000 companies, covering a wide range of applications and metalworking applications. If you are interested in our equipment, please contact us!
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External Cylindrical GrinderThe FX27-60 High Precision Direct Feed External cylindrical grinder is a state-of-the-art machine designed specifically for high-accuracy cylindrical grinding applications. It is ideally suited for -
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Cylindrical MachineThe FX27P-60CNC High Precision Direct Feed CNC Cylindrical machine is a high-end grinding solution that integrates a rigid machine structure with an advanced automation control system. It is -
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CNC Od GrinderThe FX Series High Precision CNC CNC od grinder Machine is a premium solution designed for high-accuracy and high-efficiency cylindrical grinding. With a rigid machine structure, intelligent -
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CNC Od Grinding MachineEquipment Introductions Main Applications and Performance Features 1. The control system utilizes a Siemens 828D CNC system with built-in CNC functions and an LCD display. A FANUC system is also -
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External Cylindrical Grinding MachineThe core components of this External cylindrical grinding machine tool are precision-engineered and offer exceptional performance. The bed and carriage are constructed from HT300 high-strength, -
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External Grinding MachinesThis External grinding machines tool offers significant advantages in structural design and performance. Its workpiece bed and carriage bed are constructed from HT300 high-strength, low-stress -
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Large Od GrindingThis Large od grinding machine combines precision design with stable performance to provide an efficient solution for grinding operations. Its workpiece bed and carriage are constructed from HT300
Product Introduction
A cylindrical grinder is a precision machine tool used to grind the outer cylindrical surface, conical surface and other rotating surfaces of workpieces. It grinds the rotating workpiece with a high-speed rotating grinding wheel to obtain extremely high dimensional accuracy (usually up to micron level), cylindricity and surface finish.
Product Type
Conventional cylindrical grinders
Manual or semi-automatic operation, suitable for small to medium-sized batches and simple external cylindrical surface grinding.
Universal cylindrical grinders
In addition to external cylindrical grinding, they can also grind internal circumferences and end faces with accessories, offering greater flexibility.
CNC cylindrical grinders
Utilizing a computer numerical control system, they can automatically complete complex program control and are suitable for the automated production of large-scale, high-precision parts.
Product advantages
Exceptional Machining Precision
Cylindrical grinding machines can achieve extremely high dimensional accuracy (often within ±0.001 mm) and superior surface finish (Ra values as low as 0.02 μm).
Versatility in Workpiece Handling
They can process a wide range of cylindrical workpieces, including external diameters, internal diameters, tapers, and shoulders.
Ability to Machine Hardened Materials
Unlike many cutting machines that struggle with hardened materials, cylindrical grinding machines excel at processing workpieces with high hardness.
Consistency and Repeatability
Equipped with advanced control systems (e.g., CNC), cylindrical grinding machines ensure consistent machining results across batches.
Application
Used for grinding engine components such as crankshafts and camshafts, as well as transmission shafts, ensuring precise fit and operating efficiency.
Used for machining high-precision parts such as turbine shafts and landing gear hydraulic pistons, meeting dimensional tolerances and performance requirements under extreme operating conditions.
Core applications include precision grinding of key components such as bearing inner and outer rings and machine tool spindles, ensuring stable operation.
Used for grinding surgical instrument shafts and artificial joints, achieving smooth surfaces and precise dimensions to ensure proper fit and safe operation.
Used for processing small precision parts such as motor shafts and connector pins, ensuring concentricity and conductive contact.
Used for grinding rolling mill rollers and large generator shafts, ensuring surface accuracy and balanced rotation, and adapting to heavy loads.
Precautions for use
Pre-Startup Inspection
Confirm that the power supply, hydraulic system, and cooling system connections are functioning properly, that the grinding wheel is free of cracks and securely mounted, that the protective cover is intact, and that the workpiece clamping (e.g., center, chuck) is secure and concentric to the required level.
Grinding Wheel Usage Specifications
New grinding wheels must undergo a static balance test and run "idle" (3-5 minutes) before first use. Allow the wheel to stabilize before contacting the workpiece.
Operating Safety
Operators must wear protective glasses and a dust mask. Gloves are prohibited when operating rotating parts. When grinding, stand to the side of the grinding wheel (not directly in front of it) to avoid flying chips or wheel fragments.
Cooling and Lubrication Management
Ensure the cooling system is unobstructed and that coolant adequately covers the grinding area to prevent workpiece annealing or cracking due to high temperatures.
Workpiece-Grinding Wheel Clearance Control
At the beginning of grinding, maintain an appropriate initial gap between the grinding wheel and the workpiece, and slowly advance the tool until contact is reached to avoid hard impact.
Machine Shutdown and Maintenance
After machining, turn off the grinding wheel motor and wait until it has completely stopped before removing the workpiece. Clean any scrap metal from the grinding wheel surface and workbench.
FAQ
Q: What causes poor surface finish (e.g., scratches or burns) on workpieces during cylindrical grinding?
A: Poor surface finish is often caused by inappropriate grinding wheel selection (e.g., using a grinding wheel with overly coarse grit or incorrect hardness), insufficient cooling (leading to workpiece overheating and burns), or uneven grinding wheel wear (creating scratches). Additionally, loose workpiece clamping or excessive feed rates can also disrupt surface smoothness. Solutions include matching the grinding wheel to the material, ensuring adequate coolant flow, dressing the grinding wheel regularly, and optimizing feed parameters.
Q: Why does the workpiece exhibit dimensional inaccuracies (e.g., out-of-roundness or taper) after grinding?
A: Dimensional errors typically stem from unstable workpiece clamping (e.g., loose centers or misaligned chucks), wear or misalignment of the machine’s guide rails or spindles, thermal deformation of the workpiece during grinding, or improper adjustment of the grinding wheel’s parallelism with the workpiece axis. Addressing this requires checking and resecuring clamping fixtures, calibrating machine components, controlling cooling to reduce thermal effects, and verifying the grinding wheel’s alignment.
Q: What should be done if the grinding wheel vibrates excessively during operation?
A: Excessive vibration is often due to unbalanced grinding wheel mounting (e.g., uneven weight distribution), worn or misaligned spindle bearings, or a damaged grinding wheel (e.g., cracks). First, stop the machine immediately to avoid accidents. Then, rebalance the grinding wheel, inspect and replace worn bearings, or replace a damaged grinding wheel. Ensuring proper installation and regular maintenance of the grinding wheel and spindle can prevent such issues.
Q: Can cylindrical grinding machines process non-ferrous metals (e.g., aluminum, copper) effectively?
A: Yes, but special considerations are needed. Non-ferrous metals are softer and more ductile, so they tend to clog conventional abrasive wheels (e.g., aluminum oxide). To avoid this, use wheels with softer bonds, coarser grits, or abrasive materials like silicon carbide (which is harder and less prone to clogging). Additionally, increasing coolant flow helps flush away swarf and prevent clogging, ensuring a smooth surface finish on non-ferrous workpieces.
Shanghai Antishicnc Machine Equipment Co., Ltd. is one of the most professional cylindrical grinding machine manufacturers and suppliers in China, featured by quality products and low price. Please rest assured to wholesale high-grade cylindrical grinding machine for sale here from our factory.
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