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The High-Precision Double-Sided Grinding Machine is specifically engineered for grinding and polishing thin, hard, and brittle materials such as sapphire, silicon nitride, silicon, and quartz crystal, as well as metal components like valve plates, cylinder piston rings, and oil pump blades. This machine excels in double-sided thinning, precision grinding, and polishing, making it ideal for industries requiring consistent high-quality finishes.
Precision & Rigidity: The machine features hydrostatic rotary table bearings that ensure superior precision with disc surface run-out ≤ 0.008mm, even under high-pressure loading.
Flexible Process Control: With independently adjustable speeds for the upper and lower discs and inner/outer gear rings, operators can fine-tune performance with stepless speed regulation via frequency conversion.
Consistent Temperature Control: Real-time temperature monitoring of the grinding discs is provided, ensuring uniform temperature for both discs and improving grinding stability with a dedicated cooling system.
Enhanced Processing Efficiency: PID control optimizes polishing pressure with closed-loop control and online detection, offering high processing pass rates and ensuring precise grinding results.
Automated Integration: With the ability to integrate with robotic systems, the machine allows for automatic loading and unloading, enabling smart workshop setups and minimizing manual labor.
Durability & Long Life: Thanks to non-constant current and non-constant pressure hydrostatic pressure technology, the machine components maintain long-lasting performance, ensuring sustained precision without wear.
Sapphire | Ceramics | Silicon oxide |
Item | Parameter | Item | Parameter |
Thickness variation of single workpiece TTV (μm) | ≤3 | Upper disk speed (RPM) | 1-60 |
Thickness variation between workpieces (μm) | ≤5 | Lower disk speed (RPM) | 1-60 |
Workpiece flatness (μm) | ≤3 | Upper disk motor power (KW) | 18.5 |
Workpiece thickness (mm) | 0.2-40 | Lower disk motor power (KW) | 18.5 |
Lower plate flatness (mm) | ≤0.008 | Sun gear speed (RPM) | 0-100 |
Max. loading pressure of upper plate (t) | 2 | Sun gear motor power (KW) | 4.4 |
Max. stroke of upper plate (mm) | 270 | External gear ring speed (RPM) | 0-10 |
Upper polishing disc size (mm) | φ1120*φ385*50 | External gear ring motor power (KW) | 4.4 |
Lower plate runout (mm) | ≤0.008 | Number of planetary gears (pcs) | 5 |
Lower polishing disc size (mm) | φ1120*φ385*50 | Workpiece size (mm) | Rectangle diagonal length |
Lifting height of outer gear ring (mm) | 24-28 | Equipment weight (t) | 9 |
(Table 1)
Model | Unit | YHJ77120 | YHJ77150 |
Grinding disc diameter | mm | 1120 | 1500 |
Pressure method | / | cylinder | airbag |
Maximum pressure | kg | 2000 | 3000 |
Grinding wheel ring width | mm | 360 | 500 |
Maximum grinding diameter | mm | 395 | 480 |
Grinding wheel speed | r/min | 1-60 | 0-60 |
Inner ring speed | r/min | 0-105 | 0-60 |
Outer ring speed | r/min | 0-10 | 0-10 |
Upper disc power | kw | 18.5 | 30 |
Lower disc power | kw | 18.5kw | 30 |
Inner ring power | kw | 4.4 | 11 |
Outer ring power | kw | 4.4 | 4.4 |
Dimensions | mm | 2650×3650×3210(with water tank) | 2800×3650×3100(with water tank) |
Weight | kg | 9000 | 10000 |
(Table 2)
At KULA Precision Machinery, we understand that each business has unique requirements. That’s why we offer customized grinding solutions tailored to meet your specific production needs. Whether you need adjustments to the grinding process, machine configurations, or specialized components, our team is dedicated to providing flexible, OEM and ODM solutions.
We also offer on-site commissioning, ensuring your machine is set up and optimized for your operations right from the start. Our support doesn’t stop at installation; we provide continuous after-sales support to help you maintain peak performance throughout the machine’s lifecycle.
Choose KULA for precision machinery that adapts to your business needs, backed by expert support and tailored solutions designed for your industry.
This machine is designed to process a wide range of materials, including sapphire, silicon nitride, silicon, quartz crystal, as well as metal parts like valve plates, cylinder piston rings, and oil pump blades.
The real-time temperature monitoring of the upper and lower grinding discs ensures uniform temperature distribution, preventing overheating and maintaining stability during grinding. This results in improved precision and consistent grinding quality.
Yes, the machine can be integrated with robotic systems for automatic loading and unloading, making it an ideal choice for smart workshop setups and increasing production efficiency with minimal manual intervention.
The High-Precision Double-Sided Grinding Machine is specifically engineered for grinding and polishing thin, hard, and brittle materials such as sapphire, silicon nitride, silicon, and quartz crystal, as well as metal components like valve plates, cylinder piston rings, and oil pump blades. This machine excels in double-sided thinning, precision grinding, and polishing, making it ideal for industries requiring consistent high-quality finishes.
Precision & Rigidity: The machine features hydrostatic rotary table bearings that ensure superior precision with disc surface run-out ≤ 0.008mm, even under high-pressure loading.
Flexible Process Control: With independently adjustable speeds for the upper and lower discs and inner/outer gear rings, operators can fine-tune performance with stepless speed regulation via frequency conversion.
Consistent Temperature Control: Real-time temperature monitoring of the grinding discs is provided, ensuring uniform temperature for both discs and improving grinding stability with a dedicated cooling system.
Enhanced Processing Efficiency: PID control optimizes polishing pressure with closed-loop control and online detection, offering high processing pass rates and ensuring precise grinding results.
Automated Integration: With the ability to integrate with robotic systems, the machine allows for automatic loading and unloading, enabling smart workshop setups and minimizing manual labor.
Durability & Long Life: Thanks to non-constant current and non-constant pressure hydrostatic pressure technology, the machine components maintain long-lasting performance, ensuring sustained precision without wear.
Sapphire | Ceramics | Silicon oxide |
Item | Parameter | Item | Parameter |
Thickness variation of single workpiece TTV (μm) | ≤3 | Upper disk speed (RPM) | 1-60 |
Thickness variation between workpieces (μm) | ≤5 | Lower disk speed (RPM) | 1-60 |
Workpiece flatness (μm) | ≤3 | Upper disk motor power (KW) | 18.5 |
Workpiece thickness (mm) | 0.2-40 | Lower disk motor power (KW) | 18.5 |
Lower plate flatness (mm) | ≤0.008 | Sun gear speed (RPM) | 0-100 |
Max. loading pressure of upper plate (t) | 2 | Sun gear motor power (KW) | 4.4 |
Max. stroke of upper plate (mm) | 270 | External gear ring speed (RPM) | 0-10 |
Upper polishing disc size (mm) | φ1120*φ385*50 | External gear ring motor power (KW) | 4.4 |
Lower plate runout (mm) | ≤0.008 | Number of planetary gears (pcs) | 5 |
Lower polishing disc size (mm) | φ1120*φ385*50 | Workpiece size (mm) | Rectangle diagonal length |
Lifting height of outer gear ring (mm) | 24-28 | Equipment weight (t) | 9 |
(Table 1)
Model | Unit | YHJ77120 | YHJ77150 |
Grinding disc diameter | mm | 1120 | 1500 |
Pressure method | / | cylinder | airbag |
Maximum pressure | kg | 2000 | 3000 |
Grinding wheel ring width | mm | 360 | 500 |
Maximum grinding diameter | mm | 395 | 480 |
Grinding wheel speed | r/min | 1-60 | 0-60 |
Inner ring speed | r/min | 0-105 | 0-60 |
Outer ring speed | r/min | 0-10 | 0-10 |
Upper disc power | kw | 18.5 | 30 |
Lower disc power | kw | 18.5kw | 30 |
Inner ring power | kw | 4.4 | 11 |
Outer ring power | kw | 4.4 | 4.4 |
Dimensions | mm | 2650×3650×3210(with water tank) | 2800×3650×3100(with water tank) |
Weight | kg | 9000 | 10000 |
(Table 2)
At KULA Precision Machinery, we understand that each business has unique requirements. That’s why we offer customized grinding solutions tailored to meet your specific production needs. Whether you need adjustments to the grinding process, machine configurations, or specialized components, our team is dedicated to providing flexible, OEM and ODM solutions.
We also offer on-site commissioning, ensuring your machine is set up and optimized for your operations right from the start. Our support doesn’t stop at installation; we provide continuous after-sales support to help you maintain peak performance throughout the machine’s lifecycle.
Choose KULA for precision machinery that adapts to your business needs, backed by expert support and tailored solutions designed for your industry.
This machine is designed to process a wide range of materials, including sapphire, silicon nitride, silicon, quartz crystal, as well as metal parts like valve plates, cylinder piston rings, and oil pump blades.
The real-time temperature monitoring of the upper and lower grinding discs ensures uniform temperature distribution, preventing overheating and maintaining stability during grinding. This results in improved precision and consistent grinding quality.
Yes, the machine can be integrated with robotic systems for automatic loading and unloading, making it an ideal choice for smart workshop setups and increasing production efficiency with minimal manual intervention.
