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The 8x2inch Green Unitized Wheel is a professional-grade polishing tool tailored for high-precision surface treatment in industrial and metal processing scenarios. Engineered with a sturdy multi-layer net structure and premium abrasive raw materials, this unitized wheel features a rotation-direction-free design that streamlines operation for both seasoned professionals and industrial operators. It is specially calibrated for post-plating treatment processes like copper plating and bronze polishing, a key pain point in metal processing where protecting the delicate plating layer while achieving a flawless polished finish is non-negotiable. Boasting a maximum safe speed of 3000RPM, it delivers consistent, vibration-free performance on high-speed polishing machines, adhering to the strict quality and efficiency standards of the metal manufacturing and hardware processing industries. This green unitized wheel balances gentle polishing action with durable performance, making it a staple tool for surface treatment lines that demand both precision and productivity.
This unitized wheel uses Green Silicon Carbide as its core abrasive material, a soft yet sharp abrasive that polishes workpieces without scratching or damaging the underlying plating layer. This unique material advantage makes it the optimal choice for post-plating surface treatment of copper, bronze and other plated metal workpieces, eliminating the risk of plating damage that often occurs with traditional abrasive tools.
Operated at its rated maximum speed of 3000RPM, the wheel runs smoothly with no blockage or skidding during use, and leaves no dark spots or uneven marks on the workpiece surface. The finished surface maintains uniform brightness and a consistent texture across the entire workpiece, meeting the strict surface quality standards of industrial production and finished product manufacturing.
The integrated multi-layer net structure and high-strength special adhesive boost the wheel’s wear resistance and structural stability, extending its service life far beyond ordinary polishing tools on the market. This durability reduces the frequency of tool replacement in production lines, cutting down on downtime and lowering the overall processing and operational costs for businesses.
The 8x2inch Green Unitized Wheel is constructed from four carefully selected core materials, each chosen for its performance and synergy with the others to deliver optimal polishing results. The base frame is made of high-toughness, high-temperature-resistant nylon 66, which provides a rigid support structure and withstands the heat generated by high-speed rotation without deformation. The polishing layer features premium Green Silicon Carbide abrasive particles, the key material for gentle and precise polishing. Functional additives are blended into the abrasive layer to enhance the abrasive’s adhesion to the base and improve heat dissipation during continuous operation, preventing overheating. A high-performance special adhesive is used to bond the multi-layer net structure, ensuring the wheel remains intact and does not peel off even under long-term high-speed rotation.
Parameters | Standard Values | Customization Range |
Outer diameter | 8inch | 2.5CM - 50CM（1 inch - 20inch） |
Width | 2inch | 0.5CM - 20CM（0.2 inch - 8inch） |
Inner diameter | 19MM hole | All sizes; round/square/hexagon/cross shapes available |
Grit size | 180#/240#/320# | 46# - 3000#（Green Silicon Carbide abrasive） |
Density/hardness | 7P/9P/12P | 2 - 28PLy |
Color | Green | Grey/Red/Maroon/Brown/Dark Brown |
Maximum safe speed | 3000RPM | Fixed at 3000RPM for industrial safety |
Note: The standard weight error of the product is ±5%, which falls within the normal tolerance range for industrial polishing tools.
2-inch thick standard weight（KG） | ||||||
Outer diameter | ||||||
Density or hardness | 6inch | 8inch | 10inch | 12inch | 14inch | 16inch |
2P | 0.1-0.11 | 0.19-0.2 | 0.35-0.4 | 0.55-0.6 | ||
3P | 0.12-0.14 | 0.25-0.28 | 0.45-0.48 | 0.7-0.75 | 0.8-0.85 | 1-1.1 |
4P | 0.16-0.18 | 0.28-0.33 | 0.52-0.55 | 0.8-0.9 | 0.94-1 | 1.25-1.3 |
5P | 0.2-0.23 | 0.37-0.42 | 0.6-0.65 | 0.93-0.97 | 1.15-1.25 | 1.5-1.6 |
7P | 0.26-0.29 | 0.46-0.51 | 0.76-0.83 | 1.2-1.25 | 1.52-1.6 | 2-2.1 |
8P | 0.3-0.33 | 0.52-0.58 | 0.84-0.88 | 1.28-1.35 | 1.7-1.8 | 2.2-2.3 |
9P | 0.34-0.37 | 0.62-0.66 | 0.97-1.03 | 1.5-1.6 | 1.97-2.07 | 2.5-2.6 |
12P | 0.39-0.43 | 0.71-0.77 | 1.15-1.23 | 1.8-1.9 | 2.32-2.42 | 3-3.2 |
14P | 0.44-0.48 | 0.8-0.86 | 1.26-1.32 | 2-2.15 | 2.6-2.7 | 3.3-3.5 |
16P | 0.5-0.52 | 0.91-0.95 | 1.4-1.46 | 2.3-2.4 | 2.86-2.96 | 3.6-3.75 |
The weight error is ±5%, which is within the normal range.
The above are the reference weights for the regular products. For other sizes and weights, please feel free to contact us for further discussion.
Suitable for the fine surface finishing of metal components for automobiles, aircraft and other aerospace equipment, ensuring the surface is smooth, burr-free and meets both functional and aesthetic requirements for high-precision mechanical parts.
Ideal for polishing stainless steel tableware, kitchen utensils, vacuum flasks, knives and forks, enhancing the surface brightness and texture of daily metal products to meet consumer-grade finish standards.
Used for the surface treatment of building hardware such as handles, hinges, locks, as well as decorative metal products including metal watchbands, lighting accessories and golf rackets, achieving a refined, mirror-like or matte finish as required.
Beyond metal processing, this unitized wheel is also applicable for the surface polishing of woodenware, plastic wares and marble, expanding its use case to furniture manufacturing and stone processing industries.
Do not exceed the product’s maximum safe speed of 3000RPM during operation, as over-speeding may cause structural damage to the wheel, reduce polishing quality and create potential industrial safety hazards.
Match the grit size to the specific polishing requirements of the workpiece; coarser grits are used for rough grinding and deburring, while finer grits are selected for precision polishing and final surface finishing of workpieces.
Store the unitized wheel in a dry, ventilated environment, away from moisture, high temperature and direct sunlight to prevent material deformation or adhesive failure, which can affect the product’s performance and service life.
Yes, we offer full customization of inner hole shapes to match different polishing machine shafts, including round, square, hexagon and cross shapes, with no additional mold cost for standard custom shapes.
No, our regular stock sizes of the green unitized wheel have no minimum order quantity and support small-batch purchase. Special specifications and fully customized products require a minimum order quantity for production.
In addition to Green Silicon Carbide, we can customize the wheel with alumina, black corundum, brown corundum and other abrasive materials, and adjust the product’s color according to the abrasive material selected for easy production line identification.
If you’re searching for a reliable, high-performance polishing tool that protects plating layers and delivers consistent, high-quality finishes for your metal or non-metal processing line, inquire about the 8x2inch Green Unitized Wheel now. Our team will provide you with detailed price quotes, customization solutions and professional technical support for product selection. We also offer sample services for your testing and validation, and support bulk order discounts for industrial production needs. Contact us today to get your personalized polishing tool solution and upgrade your production line’s efficiency and finish quality.
