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CNC Diamond Stubbing wheel Segmented type stub grinding wheel for Granite Marble Stone Countertop Polishing
What is a Diamond Grinding Wheel?
A diamond grinding wheel is a tool made of diamond particles attached to the surface of a wheel used for grinding and polishing hard and abrasive materials such as stone, concrete, ceramics, and metal. The diamond particles give the wheel its hardness, durability, and superior cutting ability, enabling it to remove material quickly and smoothly. Diamond grinding wheels come in various types, sizes, and shapes, depending on the specific grinding task and the material being worked on. They are commonly used in industrial and construction settings for tasks such as concrete grinding, stone polishing, and metal surface finishing.
Benefits of Diamond Grinding Wheel
Exceptional Hardness
Diamond wheels are incredibly hard and wear-resistant, making them ideal for grinding other hard materials such as carbide. This feature also allows diamond wheels to withstand high material removal rates and provide better longevity when compared to conventional abrasive wheels.
Superior Grinding Performance
From rough grinding at high feed rates to cutting brittle materials with high
accuracy, the composition of a diamond grinding wheel can be manipulated to serve a multitude of applications.
This diversity stems from the combination of grit size and the concentration (or volume) of diamond grit present in the wheel’s bond. If finer grit is used, a higher quantity of grit particles can be included in the wheel bond. If larger grit is used, not as many grit particles will be able to fit into the wheel bond.
Low Heat Generation
The bond structure of a diamond abrasive wheel does impact its heat-resistantabilities. Resin bonds, for example, generate the least heat overall during grinding and are typically used for softer materials like ceramics and composites. Known as a more “flexible” bond, resin bonds have a faster-paced grit renewal rate than metal or vitrified bonds. This allows for a consistent, sharp cutting surface.
Reduced Wheel Wear
The unmatched strength and hardness of synthetic diamonds help maintain a sharper cutting edge, resulting in grinding wheels that resist wear and require less dressing throughout a job.
Diamond wheels can operate for long periods with little to no load-up or glazing. This quality results in more efficient grinding, which means more time cutting and less time dressing a wheel.
Efficient grinding greatly reduces the risk of damage to the wheel and workpiece, such as burning, chipping, or breaking.
A Wide Range of Applications
Diamond abrasive is available in various sizes and shapes and can be suspended in many different types of bonds. The possible iterations are almost infinite.
This makes diamond wheels an excellent choice for a variety of applications, including machining hard and brittle materials, grinding hardened metals, stone cutting and polishing, tool sharpening, medical supply production, and electronics and optics manufacturing.
Durability
Diamond grinding wheels are highly durable and long-lasting. They can withstand high levels of pressure and heat without breaking down or losing their edge. This makes them ideal for grinding hard materials such as ceramics, glass, and concrete.
Types of Diamond Grinding Wheel
Diamond Grinding Wheel:Diamond grinding wheels are made of diamond powder, and there have the bond types of metal, resin, vitrified and electroplated bond. They are round bonded abrasive tools with central through-hole. They consist of diamond layer, transition layer and matrix.
Vitrified Diamond Grinding Wheel:Vitrified bond diamond grinding wheel is a kind of circular bonded abrasive with through-hole in the center. It is made of diamond powder and ceramic bond. It consists of diamond layer, transition layer and matrix.
Resin Diamond Grinding Wheel:Resin bond diamond grinding wheel is a kind of circular bonded abrasive with through-hole in the center. It is made of diamond powder and resin bond.It consists of diamond layer, transition layer and matrix.
Metal Bonded Diamond Grinding Wheel:Metal bond diamond grinding wheel is made of diamond powder, and metal or alloy powder as bonding material by mixing, hot pressed or cold pressed sintering.
Electroplated Diamond Grinding Wheel:Electroplated diamond grinding wheel is made by electrochemical method. The working layer of diamond abrasives which are bonded to the matrix by metal bond.
Diamond Grinding Disc:This is a flat circular grinding wheel, which can be used for various applications like cutting, grinding and polishing. It is common in lapidary and jewelry applications.
Application of Diamond Grinding Wheel
Metal Grinding:Diamond grinding wheels are ideal for grinding hard metals like steel and tungsten carbide. They are commonly used in the manufacturing industry for grinding and shaping machine parts.
Stone Cutting:Diamond grinding wheels are used for cutting and shaping stones, such as granite, marble, quartz, and other natural stones. They are commonly used in building and construction projects for cutting stone tiles, countertops, and other decorative features.
Glass Grinding:Diamond grinding wheels are used for grinding glass and other brittle materials. They are commonly used in the manufacturing industry for shaping and polishing glass lenses and other optical components.
Concrete Grinding:Diamond grinding wheels are used for concrete grinding, polishing, and surface preparation. They are used to remove roughness on concrete surfaces and prepare them for painting, coatings, or other surface treatments.
Jewelry Making:Diamond grinding wheels are used in the jewelry-making industry for shaping and polishing precious stones and metals. They are commonly used for creating intricate designs and polishing surfaces to a high shine.
Weld grinding:After welding, you regularly got to level the weld and smooth the surface. To accomplish this, we recommend employing a Cubitron™ II fiber disc, flap disc, or depressed center emery wheel. It enables you to remove the weld and make A level surface quickly.
Beveling:Beveling is completed to shape the edges of your workpiece before welding. It will be done using either a fiber disc, flap disc, depressed center emery wheel, or maybe with an abrasive belt. Our selection of metalworking abrasives can assist you in taking the sting off of any metal part or substrate.
Silicon carbide:It is sharp and hard, and it can be brittle. It should use this only to grind low-lasting materials like grey forged iron, chilled iron, bronze, aluminum, copper, and brass.
Process of Diamond Grinding Wheel
Mixing the ingredients
Preparing the grinding wheel mixture begins with selecting precise quantities of abrasives, bond materials, and additives according to a specific formula. A binder, typically a water-based wetting agent in the case of vitrified wheels, is added to coat the abrasive grains; this coating improves the grains' adhesion to the binder. The binder also helps the grinding wheel retain its shape until the bond is solidified. Some manufacturers simply mix all materials in a single mixer. Others use separate steps to mix abrasive grains with binder.
Wheel manufacturers often spend considerable effort to develop a satisfactory mixture. The blend must be free-flowing and distribute grain evenly throughout the structure of the grinding wheel to assure uniform cutting action and minimal vibration as the wheel rotates during use. This is particularly important for large wheels, which may be as big as several feet in diameter, or for wheels that have a shape other than the familiar flat disk.
Molding
①For the most common type of wheel, an annular disc, a predetermined amount of grinding wheel mixture is poured into a mold consisting of four pieces: a circular pin the size of the finished wheel's arbor hole (its center hole); a shell with a 1-inch (2.5-centimeter) wall, about twice as high as the desired grinding wheel is thick; and two flat, After molding and final shaping, the wheel is fired in an oven or furnace. Firing melts the binder around the abrasives and converts it to a form that will resist the heat and solvents encountered during grinding. Finishing steps that follow firing may include reaming the arbor (center) hole to the proper size, correcting the thickness of the wheel sides, balancing the wheel, and adding labels.
After molding and final shaping, the wheel is fired in an oven or furnace. Firing melts the binder around the abrasives and converts it to a form that will resist the heat and solvents encountered during grinding. Finishing steps that follow firing may include reaming the arbor (center) hole to the proper size, correcting the thickness of the wheel sides, balancing the wheel, and adding labels.
circular plates with diameter and arbor hole sizes equal to those of the wheel. A variety of methods are used to distribute the mixture evenly. Typically, a straight edge pivots about the center arbor pin to spread the mixture throughout the mold.
②Using pressures in the range of 100 to 5000 pounds per square inch (psi) for 10 to 30 seconds, a hydraulic press then compacts the mixture into the grinding wheel's final shape. Some manufacturers use gage blocks between the two face plates to limit their movement and establish uniform thickness. Others control wheel thickness by closely monitoring the consistency of the mix and the force of the press.
③After the mold has been removed from the press and the wheel stripped from the mold, the wheel is placed on a flat, heatproof carrier. Final shaping of the wheel may take place at this time. All work at this stage has to be done very carefully because the wheel is held together by only the temporary binder. Lighter wheels can be lifted by hand at this stage; heavier ones may be lifted with a hoist or carefully slid on a carrier to be transported to the kiln.
Firing
Generally, the purposes of the firing are to melt the binder around the abrasives and to convert it to a form that will resist the heat and solvents encountered during grinding. A wide range of furnaces and kilns are used to fire grinding wheels, and the temperatures vary widely depending upon the type of bond. Wheels with a resin bond are typically fired at a temperature of 300 to 400 degrees Fahrenheit (149 to 204 degrees Celsius), and wheels with vitrified bonds are fired to temperatures between 1700 and 2300 degrees Fahrenheit (927 to 1260 degrees Celsius).
Finishing
After firing, wheels are moved to a finishing area, where arbor holes are reamed or cast to the specified size and the wheel circumference is made concentric with the center. Steps may be necessary to correct thickness or parallelism of wheel sides, or to create special contours on the side or circumference of the wheel. Manufacturers also balance large wheels to reduce the vibration that will be generated when the wheel is spun on a grinding machine. Once wheels have received labels and other markings, they are ready for shipment to the consumer.
Diamond Abrasive:This is the primary component of a diamond grinding wheel. It is a high-quality abrasive material made from natural or synthetic diamond particles that are bonded onto the surface of the grinding wheel. The diamond abrasive provides exceptional grinding performance and long service life.
Bond Material:The bond material is used to hold the diamond particles in place on the grinding wheel. It is typically made from various types of resins, metals, or ceramic materials. The type of bond material used determines the hardness and durability of the grinding wheel.
Matrix Material
The matrix material is used to fill the spaces between the diamond particles and bond material. It is typically made of metal or ceramic materials. The matrix material provides support for the diamond particles and maintains their shape and positioning on the grinding wheel.
Wheel Body
The wheel body is the main structural component of the grinding wheel. It is typically made of aluminum or steel and provides the necessary support for the diamond abrasive, bond material, and matrix material.
Wheel Mounting
The wheel mounting is the component used to attach the grinding wheel to the grinding machine. It is typically a metal or plastic hub that is mounted onto the spindle of the grinding machine.
What You Should Know When Use Diamond Grinding Wheel
Choose the right diamond grinding wheel for the job:There are many types of diamond grinding wheels available, and each is designed for specific tasks and materials. Be sure to choose the one that will work best for your project.
Safety first:When using a diamond grinding wheel, always wear protective clothing, gloves, and eye protection. Follow the manufacturer's instructions for safe use of the equipment.
Check for damage:Before using a diamond grinding wheel, inspect it for any cracks or damage. A damaged wheel can shatter during use, causing injury or damage to the workpiece.
Use the proper technique:Use a light touch and keep the wheel moving to avoid overheating the workpiece. Apply gentle pressure and avoid applying too much force, as this can damage the wheel.
Keep the wheel clean:During use, debris can accumulate on the diamond grinding wheel, reducing its effectiveness. Use a dresser or clean cloth to remove any debris from the wheel as needed.
Replace the wheel as needed:Diamond grinding wheels will eventually wear out. Be sure to replace the wheel when it becomes worn or damaged to ensure safe and effective operation.
Store the wheel properly:When not in use, store the diamond grinding wheel in a clean and dry location. Avoid storing it in a location where it may be subjected to extreme temperature or humidity changes.
Bond type:The bond type of the wheel determines the hardness and strength of the grinding tool. Different bonding materials such as resin, metal, or vitrified bonds offer different properties for cutting speed, heat resistance and wear resistance.
Material to be ground
The type of diamond grinding wheel needed depends on the material that needs to be ground. Different wheels are designed for different materials, such as concrete, asphalt, or natural stone.
Grit size
The grit size of the diamond particles on the wheel determines the level of smoothness or roughness required. Coarse grit sizes are ideal for rough grinding, while fine grit sizes are more suited for finishing surfaces.
Wheel shape
The shape of the diamond grinding wheel must be selected based on the desired result. For example, a flat wheel is suitable for surface grinding, while a cup wheel is more suited for grinding edges.
Wheel size
The size of the diamond grinding wheel must be appropriate for the job at hand. The wheel diameter and thickness must be chosen based on the size and depth of the workpiece to be ground.
Safety considerations
Choosing the right diamond grinding wheel is essential to ensure safety during the grinding process. A wheel that is too hard or soft can become damaged or break, causing injury to the user.
Budget
The cost of the diamond grinding wheel must be considered before making a purchase. Different brands and types of diamond grinding wheels have different prices, so it is important to balance quality with affordability.
Certifications
Our Factory
Our company has been committed to the international development in stone industry since its establishment 2016.All our abrasive products are made with quality materials and exceed ANSI and EU European Standards.We trust in delivering high-quality products to the end-user. Customer satisfaction is the lifeline of our quality.
Frequently Asked Questions Diamond Grinding Wheel
As one of the leading diamond grinding wheel manufacturers and suppliers in China, we warmly welcome you to wholesale discount diamond grinding wheel made in China here from our factory. All our products are with high quality and competitive price.
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