Surface Grinder

Achieving smooth, flat surfaces is easy with the Oturn CNC  surface grinding machine. You simply set your path, speed, and depth. It takes care of the rest. It automatically performs the job with precision and consistency.

Our CNC surface grinding machine uses an electromagnetic chuck to securely hold the workpiece. During machining, the grinding wheel and worktable move back and forth or rotate along the X and Y axes, enabling exceptionally fine grinding. Compared to many similar products on the market, the Oturn surface grinding machine also features an optional automatic grinding wheel changer, making operation more worry-free and safer.

Oturn CNC surface grinding machine can process a variety of metals, as well as non-metallic materials such as plastics and ceramics. They offer repeatability up to 3μm. Whether your application is automotive manufacturing, medical equipment, or machine tool parts. Oturn can customize the ideal CNC surface grinder for you.

Whether you need to remove large areas of workpiece material or achieve a smooth surface finish, the Oturn CNC surface grinding machine can deliver the results. It silently grinds workpieces for the high-precision mold manufacturing industry. This ensures every detail is maintained within tolerance control and surface quality standards.

Each Oturn CNC surface grinding machine utilizes a highly rigid cast iron bed. This ensures stable and vibration-free machining. High-precision linear guides are key to achieving micron-level position repeatability, ensuring precision during workpiece machining. Combined with our high-speed grinding wheel head, the surface finish of the parts is guaranteed to be flawless.

As a leading CNC surface grinding machine manufacturer in China, Oturn boasts a mature machine tool manufacturing chain and a professional production and design team. We can deliver your machines within your specified timeframe, guaranteeing quality, and offer the lowest surface grinding machine prices on the market.

We are committed to providing you with an excellent return on investment through professional metalworking solutions. Therefore, we utilize high-rigidity machine bodies and high-precision linear guideways. Combined with three-axis control, every Oturn surface grinding machine features a CNC system. We also offer optional custom accessories such as electronic dynamic balancing, variable speed inverters, and brass electromagnetic chucks for even more convenient operation.

Oturn also offers OEM services. Whether you’re in Europe, America, Southeast Asia, or elsewhere, we can help you build the perfect CNC surface grinding machine. In short, we are your trusted partner in the Chinese surface grinding machine manufacturing industry.

Automotive Manufacturing

High-precision automotive parts are critical to vehicle safety and quality. Oturn CNC surface grinding machines are suitable for critical components such as brake cylinders, pistons, steering components, and gear shafts. They achieve consistent machining on both flat and curved surfaces.

Aerospace

Aerospace parts place extremely stringent demands on material strength and precision. Oturn CNC surface grinding machines can grind parts such as turbine rings and turbine shafts, bringing greater safety to your aerospace business.

Medical Device Manufacturing

The medical industry places high demands on dimensional accuracy and hygiene, particularly when machining stainless steel and titanium alloy parts. Oturn CNC surface grinding machines can perform surface finishing on these high-strength materials, ensuring compliance with industry hygiene standards.

Machine Tool Manufacturing

Oturn CNC surface grinding machines provide grinding solutions for core machine tool components such as spindles, couplings, cams, racks, and ball screws, helping you build durable and stable machine tools.

Tool Manufacturing

From drill bits to alloy inserts, our machines are capable of mass-producing precision tools. As a Chinese supplier of CNC surface grinding machines, we ensure that each machine tool has perfect cutting capabilities and guarantees the sharpness of the tool.

1.What is a CNC Surface Grinding Machine?

A CNC surface grinding machine uses computer numerical control technology and a high-speed rotating grinding wheel to automatically grind workpiece surfaces. Instead of manually operating the machine, you simply program the machine to control the grinding wheel path and grinding speed. High-precision guide rails and lead screw systems ensure smooth movement of the machine and worktable, guaranteeing the ultimate precision of the workpiece.

2.What is the difference between a horizontal grinding machine and a vertical grinding machine?

The biggest difference between these two types of machines is the direction of rotation of the grinding wheel. In a horizontal grinding machine, the grinding wheel rotates horizontally. The workpiece is typically placed on a horizontal table and ground from the side by the grinding wheel. This method is more suitable for high-volume processing of long parts.

In a vertical grinding machine, the grinding wheel rotates vertically. The workpiece is fixed to a rotating table and ground by the grinding wheel downward. This machine is more suitable for end face grinding.

3.Are there other types of grinding machines besides CNC surface grinding machines?

Yes, there are. Cylindrical grinding machines are specifically designed for machining cylindrical or conical workpieces. Similarly, a rotating grinding wheel contacts the workpiece surface, removing and improving the surface. The workpiece is clamped in a chuck and placed on a rotating shaft, which then rotates. The grinding wheel moves around to machine the entire workpiece.

Internal grinding machines are used for machining workpieces with internal holes, such as gear holes, the inner walls of sleeves, and other internal structures. Similarly, a small grinding wheel is used to grind the workpiece using a fixture to secure it. Material is gradually removed from the workpiece’s inner wall, ensuring that each hole is precisely machined.

4.How should I perform daily maintenance on a CNC surface grinding machine?

Workbench cleaning. Daily high-volume workpiece processing can accumulate a large amount of iron chips and coolant on the workbench and slideways. Therefore, you must promptly clean these impurities to prevent clogs.

Coolant inspection. Insufficient coolant can damage the grinding wheel and burn the workpiece, affecting the final quality of the workpiece. Always check and add the appropriate coolant.

Grinding wheel wear. Daily inspection of the grinding wheel for cracks and wear. If any, replace it promptly.

Control panel. Ensure the touchscreen function of the control panel is functioning properly to avoid panel malfunctions.

5.What should I pay attention to when operating a CNC surface grinding machine?

Safety Precautions

Wear personal protective equipment. When operating a CNC surface grinding machine, wear protective gear such as goggles and gloves to prevent injury from metal debris generated by the rotating grinding wheel.

Adjust and maintain the machine. Regularly adjust and check the tightness of the CNC surface grinding machine components, lubricate the guideways, and clean and clean accumulated chips to minimize machining problems.

Install the grinding wheel. Select the grinding wheel based on the material to be machined. Install it correctly and perform a dry run test to check for any abnormalities. Only proceed to the next step after confirming that everything is correct.

Use coolant. Use a suitable coolant, such as a water-soluble or oil-based coolant, to control the temperature of the workpiece to prevent excessive temperatures and deformation.

Workpiece Preparation

Prevent and secure the workpiece. Ensure the workpiece is securely fastened to the worktable and fixture to prevent shifting during grinding, which could compromise workpiece accuracy.

Ensure the workpiece surface is clean. Ensure the workpiece surface is free of impurities and dust, as these can affect the final finish.

Machine Setup

Adjust the grinding wheel. You need to set the appropriate grinding wheel speed based on the workpiece material and processing requirements. Excessive speed can cause the grinding wheel to burn and damage the workpiece.

Set the feed rate. An appropriate feed rate ensures uniform and precise machining, preventing surface roughness and damage.

Grinding depth. Ensure the depth of cut is neither too deep nor too shallow to maintain part quality and accuracy.

Safety Precautions

Wear personal protective equipment. When operating a CNC surface grinding machine, wear goggles, protective gloves, and other protective gear to prevent injury from metal chips generated by the rotating grinding wheel.

Adjust and maintain the machine. You need to regularly adjust and check the tightness of the various components of the CNC surface grinding machine, lubricate the guide rails and clean the daily chip accumulation, so as to reduce the problem of failure during the processing.

Install the grinding wheel. Select the grinding wheel based on the material to be processed. Install it correctly and then perform an idle test to check for any abnormalities. Once confirmed, proceed to the next step.

Use coolant. Use appropriate coolant, such as water-soluble or oil-based, to control the temperature of the workpiece to prevent deformation of the workpiece due to excessive temperature.

Workpiece preparation

Prevent and secure the workpiece. You need to ensure that the workpiece is firmly fixed to the workbench and fixture to prevent it from shifting during the grinding process and affecting the accuracy of the workpiece.

Ensure the workpiece surface is clean. You must ensure that there are no impurities and dust on the workpiece surface, otherwise it will affect the final processing effect of the workpiece.

Machine Settings

Adjust the grinding wheel. You need to set the appropriate grinding wheel speed based on the workpiece material and processing requirements. If the speed is too fast, the grinding wheel may burn the workpiece and cause damage to the workpiece.

Set the feed rate. A suitable feed rate can ensure uniform and precise machining of the workpiece and avoid surface roughness and damage to the workpiece.

Grinding depth.You need to ensure that the cutting depth is not too deep or too shallow to ensure the quality and accuracy of the machined parts.

Process Monitoring

Continuously monitor the grinding process. Ensure you are constantly monitoring the part’s condition and surface changes during the grinding process. If you detect any abnormalities, stop the process immediately and make adjustments.

Adjust parameters in a timely manner. If you find that the workpiece size is incorrect or the grinding wheel is severely worn, you must quickly adjust the speed, feed rate, and replace the grinding wheel.

Post-processing

We inspect each workpiece by observing the surface and using tools such as roughness testers and micrometers to check dimensions to ensure that each part meets factory standards.

Check the grinding wheel. After working for a long time, the grinding wheel will be seriously worn. If this phenomenon occurs, do not replace the grinding wheel in time to ensure the consistency of the next part processing.

Determine the coolant. You need to ensure that the coolant concentration is appropriate and that it is replaced regularly to prevent impurities from clogging the processing machine.

6. How do I operate a CNC surface grinding machine?

To effectively operate a CNC surface grinding machine, you need to have a basic understanding of the machine’s components.

Surface grinder positioning. To achieve optimal part processing, ensure the part’s stability. Use a clamp to secure the workpiece. Then, set commands in the control system to achieve precise positioning.

Surface grinder grinding wheel. Choosing the appropriate grinding wheel material and grit size is crucial for achieving a smooth workpiece surface. When installing the grinding wheel, pay attention to the installation direction, ensuring it aligns with the direction of rotation. Before starting the machine, perform a dry run test on the grinding wheel to ensure it is stable and secure. If you notice that the grinding wheel is losing its sharpness after a period of use, adjust it.

Surface grinder spindle. The spindle is the core component of the surface grinding machine. It enables the high-speed rotation of the grinding wheel. To ensure the life of the spindle, it must be lubricated regularly to maintain optimal grinding conditions.

Surface grinder hydraulic system. This system controls the movement of the worktable and the clamping action of the clamp. You should always check the machine for oil deficiency before machining a workpiece and replace the hydraulic oil regularly. This prevents grinding debris from clogging the machine’s working system and shortening its lifespan.

Surface grinder lubrication device. This device is responsible for lubricating the guide rails, screw, spindle, and other components to ensure smooth machining. Simply set the lubrication interval and oil volume for automatic lubrication.