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8 inch Lapidary Cabbing Grinder

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 machines 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.


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 I set up my Cabbing machine?

The 6″ Cabbing can be set up by one person in less than 30 minutes; however, we recommend two people. The 8″ Cabbing requires two people and also takes approximately 30 minutes to set up. You will need a sturdy table or stable surface that is well lit. Instruction manuals are shipped with every machine to assist you in the set-up process.
Q: What are the specifications of the Cabbing motors?
Machine Size: The 8-inch cabbing machine requires significantly more power (wattage) compared to the 6-inch machine, regardless of voltage. This is likely because the larger machine has a more powerful motor to handle the bigger grinding wheels. Voltage: The wattage remains the same (352W for 6-inch and 880W for 8-inch) for both voltage options (110V and 220V). However, the amperage (current draw) is halved when using the higher voltage (220V) compared to the lower voltage (110V) for the same machine. This is because the formula for power (watts) is P = V x I (where P is power, V is voltage, and I is current). So, if the voltage is doubled, the amperage can be halved to achieve the same wattage.
Q: Can I set up the water system as a re-circulating system?
Introducing Our Single-Pass Water System At Cabbing, we understand the importance of providing clean, fresh water for your wheels to achieve the best results. That's why we've designed our single-pass water system to deliver just that. This innovative system ensures that your wheels receive a constant supply of clean water, free from contamination. Preventing Contamination Unlike traditional re-circulating water systems, our single-pass water system prevents contamination from occurring. This is especially important for achieving optimal results in your woodworking projects. Important Note Please note that attempting to set up our Cabbing water system as a re-circulating system will void your warranty. We recommend following the manufacturer's instructions for proper installation and use to ensure the longevity and effectiveness of your water system.
Q: How much cleared space does my Cabbing machine need?
The Cabbing 6" needs a 2' x 3' area; the Cabbing 8" needs a 2' x 4' area.
Q: Are the Cabbing motors variable speed?
Limited Speed Control: These machines lack the ability to adjust the motor speed, so all grinding and polishing will be done at a constant 1800 rpm. Improper Speed Control Methods: It's important to avoid using devices like rheostats, router speed controllers, or voltage limiters to control the motor speed. These methods can: Overheat the motor: These devices might not be designed to handle the specific motor characteristics of the cabbing machine, leading to overheating and potential damage. Void Warranty: Using incompatible methods to control speed can void the manufacturer's warranty on the machine. Be Ineffective: These methods might not provide proper speed control and could damage the machine or not function as intended.
Q: How much water does the Cabbing water pump push out?
Cooling and Lubrication: During cabbing, the grinding wheels generate friction and heat. A sufficient water flow helps: Cool down the grinding wheel and workpiece, preventing overheating and potential damage. Lubricate the cutting surface, improving cutting efficiency and extending wheel life. Debris Removal: The water flow also helps wash away debris and slurry created during the grinding process. This keeps the work area clean and improves visibility for better control. Potential Uses of the Flow Rate Information: Knowing the flow rate (2,300 L/h) can be helpful in a few ways: Reservoir Capacity: You can choose a water reservoir with a capacity that allows for continuous operation without needing frequent refilling based on the pump's flow rate. Water Flow Adjustment: Some cabbing machines might allow for adjusting the water flow rate. The 2,300 L/h specification can serve as a reference point for such adjustments. Additional Considerations: While 2,300 L/h is a good flow rate, it's important to consider the following factors as well: Material and Grinding Technique: Softer materials might require less water flow compared to harder stones. Some grinding techniques might also benefit from a more or less aggressive water flow. Machine Model: Consult your cabbing machine's manual for any specific recommendations or water flow limitations.
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