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Amoladora y sierra lapidaria

Our 8" Lapidary Cabochon Cabbing Grinder, a high-quality machine designed for use in the glass, ceramic, crystal, and superhard material industries. This cabbing machine boasts a 1" stainless steel shaft with ball bearings, 7pcs aluminum spacers and flanges, and a locknut for secure operation. The thermal protected ball bearing motor is 3/4HP and provides reliable power for all your grinding and polishing needs. The hood is made of durable 304 stainless steel for long-lasting use.
One of the standout features of this cabbing machine is the adjustable drip water system with 8 shut off valves for each wheel. This system ensures that your wheels stay cool and lubricated during use, resulting in smoother, more efficient grinding and polishing. The shaft is tapped for a ¼-20 spin-on polish head on the right end and a 1/2" aluminum lap or diamond facet laps on the left end, providing versatility for a range of applications. The machine accepts silicon carbide or diamond wheels or rubber expandable drums, making it suitable for a variety of materials.
Compared to other lapidary cabbing machines on the market, such as the Cab King Lapidary, EZ Cab Machine, Lortone Cabbing Machine, and Diamond Pacific Cabbing Machine, our 8" Lapidary Cabochon Cabbing Grinder offers several advantages. Firstly, our machine features a larger work space, allowing for more efficient processing of larger pieces. Additionally, the 3/4HP motor provides more power than some comparable models, while the adjustable drip water system ensures consistent cooling and lubrication. Finally, our machine is competitively priced and offers exceptional value for the quality and features it provides.
In summary, our 8 Lapidary Cabochon Cabbing Grinder is a versatile and reliable machine that is ideal for use in a range of industries. With its sturdy construction, powerful motor, and adjustable drip water system, it is a top choice for professionals and hobbyists alike.


  1. Motor Power and RPM: The grinder's motor power and RPM (Revolutions Per Minute) determine the machine's grinding speed and torque. Higher power and adjustable RPM allow for efficient material removal and precise shaping.

  2. Wheel Varieties: Different types of grinding wheels—such as diamond, silicon carbide, or resin-bonded wheels—provide various levels of abrasiveness for cutting, shaping, and polishing stones.

  3. Wheel Quality: The quality of grinding wheels impacts their durability and the quality of the cabochon finish. High-quality wheels offer consistent performance and durability over extended use.

  4. Cooling System: An efficient water cooling system helps control dust, prevents overheating of the stone, and prolongs the life of the grinding wheels.

  5. Variable Speed and Control: Machines with variable speed settings enable users to adjust grinding speed, allowing for precise control over the shaping and polishing process.

  6. Accuracy and Precision: The grinder's ability to shape stones accurately according to desired designs and dimensions defines its performance. Consistent grinding and precise control enhance the final cabochon's quality.

  7. Ease of Use: Ergonomic design and user-friendly controls contribute to a smoother and more efficient grinding process. This includes ease of wheel changes, adjustable tool rests, and accessible water reservoirs.

  8. Durability and Maintenance: The durability of the machine, its components, and ease of maintenance contribute to long-term performance. Sturdy construction and easily replaceable parts ensure consistent quality output.

  9. Versatility: A highly-performing cabbing grinder accommodates a wide range of stone types, hardness, and sizes, ensuring versatility in lapidary work.

A well-performing Lapidary Cabochon Cabbing Grinder efficiently combines these aspects, enabling lapidarists to transform rough gemstones into polished cabochons with precision, detail, and a high-quality finish.


  1. Gemstone Shaping: The primary function is shaping rough gemstones into cabochons. It grinds away excess material, transforming irregular or raw stones into uniform shapes like ovals, rounds, hearts, and more.

  2. Grinding Stages: It's utilized through various stages: coarse grinding to shape the stone, finer grinding to refine the shape, and polishing to achieve a glossy finish.

  3. Gemstone Variety: Suitable for various gemstones, including quartz, agate, jasper, turquoise, opal, and others of different hardness levels.

  4. Precision and Detail: Offers precise control for lapidarists to create intricate designs, curves, and bevels on the gemstone's surface.

  5. Different Grinding Wheels: The grinder is used with different types of grinding wheels or laps, often including diamond wheels, silicon carbide wheels, and polishing pads, each for specific stages in the cabbing process.

  6. Water Cooling System: Many machines have a water cooling system to prevent overheating and manage dust while grinding or polishing gemstones.

  7. Speed Control: Some models feature variable speed settings, allowing control over grinding and polishing speed based on the stone type and desired finish.

  8. Durability and Finish: The performance and quality of the machine directly impact the final finish and durability of the cabochons created.

  9. Skill Dependent: Skilled lapidarists can leverage these tools to create high-quality cabochons with intricate designs and superior finishes.

Overall, the grinder is essential for lapidary artisans and hobbyists seeking to transform raw gemstones into beautiful, polished cabochons for use in jewelry and decorative pieces.


The 8-inch Lapidary Cabbing Grinder comes with several features and components that make it suitable for lapidary work.

  1. Durable Motor: It is equipped with a direct drive 3/4HP motor capable of running at 1500 and 1800 RPM. This motor provides reliable power for grinding and polishing tasks.

  2. Voltage Options: The grinder offers voltage options of 220/240/110V, providing flexibility for various power sources.

  3. Cooling System: The independently controlled drip water cooling system helps keep the grinding and polishing wheels and the material being worked on cool during operation.

  4. Stainless Steel Hood: The grinder features a stainless steel, removable hood that helps contain debris and water splash, making it durable and easy to clean.

  5. Drip Pans: The grinder includes rust-free drip pans that can be set up for forward or rear drainage, helping to keep your workspace clean.

  6. Water Pump: It comes with a separate, mute submersible water pump to supply water for cooling and lubrication.

  7. Water Drainage System: An efficient water drainage system is designed to eliminate the need for constantly draining drip pans, enhancing convenience during use.

  8. Splash Guards: Two hood splash guards and four wheel splash guards are included to protect the user from debris and water spray.

  9. Accessories: The grinder comes with various accessories, including plastic stone boxes, a waterproof pinafore, a hand rest, a water pipe, and an LED lamp to facilitate your lapidary work.

  10. Shaft and Bearings: It features 1" shafts and ball bearings.

  11. Diamond Grinding Wheels: The grinder includes a set of 8"x1.5" diamond soft grinding wheels in different grits (280, 600, 1200, 3000), an 8"x1.5" diamond hard grinding wheel (80, 220), and an 8"x1/2" 360-grit diamond standard faceting lap. These diamond wheels and laps are essential for grinding and polishing gemstones.

  12. Prepolishing Pad: A 14000-grit diamond prepolishing pad is included for achieving a high-quality surface finish on your gemstones.

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Q: How do you use a diamond pad?

A diamond hand pad is a handheld abrasive tool with a flexible surface coated with diamond particles. It is used for grinding, smoothing, and polishing various materials, including stone, concrete, glass, and metal.

Q: How do I choose the right grit size for my project?

Select the grit size based on the initial condition of your workpiece and the desired level of surface finish. Coarse grits are suitable for rough grinding, while finer grits are used for smoothing and polishing.

Q: What safety precautions should I take when using diamond hand pads?

Wear safety goggles, a dust mask, and gloves to protect yourself from dust and debris. Additionally, work in a well-ventilated area or wear a respirator if working with fine dust particles.

Q: How do I maintain and clean my diamond hand pad?

After use, rinse the diamond hand pad with clean water to remove debris and residues. Gently pat it dry or allow it to air dry. Proper maintenance can prolong the pad's lifespan.

Q: What are some common applications for diamond hand pads?

Wear safety goggles, a dust mask, and gloves to protect yourself from dust and debris. Additionally, work in a well-ventilated area or wear a respirator if working with fine dust particles.

Q: What are the common grit sizes for diamond hand pads?

Diamond hand pads come in a range of grit sizes, from coarse (e.g., 50 grit) to fine (e.g., 3000 grit). The choice of grit depends on the specific task, with coarser grits used for material removal and finer grits for polishing.

Q: Do I need to use water or lubricant with a diamond hand pad?

Yes, using water or a specific lubricant is often necessary. It helps keep the surface cool, prevents overheating, and improves the effectiveness of the diamond particles in grinding and polishing. Some materials require dry grinding, so it's essential to check the manufacturer's recommendations.

Q: Can I use a diamond hand pad for dry grinding and wet grinding?

The suitability of a diamond hand pad for dry or wet grinding depends on the material and the pad itself. Some diamond hand pads are designed for wet use, while others are suitable for dry grinding. Check the manufacturer's specifications for guidance.

Q: Can diamond hand pads be used on curved or irregular surfaces?

Yes, diamond hand pads are versatile and can be used on flat, curved, or irregular surfaces. Their flexibility allows for contouring and shaping of various workpieces.

Q: Can I achieve a high-polish finish with a diamond hand pad?

Yes, with the right technique and progression through finer grits, you can achieve a high-polish finish on various materials using diamond hand pads. The finest grits are typically used for the polishing stage.

Diamond Abrasive Products
Diamond Abrasive Products
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