The Samchully NC Rotary Table is a precision device designed for various machining operations, offering high accuracy and stability. This instruction manual provides comprehensive details on its installation, operation, maintenance, and safety guidelines.
Function Description:
The NC Rotary Table is primarily used to precisely position workpieces for machining processes, enabling operations such as milling, drilling, and grinding at various angles and rotations. It integrates with machine tools to enhance their capabilities, allowing for complex and accurate part manufacturing. The device features a clamping system, lubrication system, and air purge system to ensure optimal performance and longevity.
Important Technical Specifications:
The manual outlines several models with varying specifications, including:
- Table Diameter: Ranging from 124mm (S-150, S-120, S-120F2) to 310mm (S-320I, S-320LI, S-320F8).
- Table Height: From 135mm (S-150, S-120, S-120F2) to 210mm (S-320I, S-320LI, S-320F8).
- Center Height: From 120mm (S-150, S-120, S-120F2) to 225mm (S-320I, S-320LI, S-320F8).
- Table ID: From 60H7 (S-150, S-120, S-120F2) to 130H7 (S-320I, S-320LI, S-320F8).
- Through Hole Dia.: From 30mm (S-150, S-120, S-120F2) to 105mm (S-320I, S-320LI, S-320F8).
- Table Reference Block Width: Consistent at 14H7 for smaller models and 18H7 for larger models.
- Clamping Torque (N·m(kgf·m)): Varies significantly by model, from 150 N·m (15.3 kgf·m) for S-150 to 1440 N·m (147.7 kgf·m) for S-320I, S-320LI, S-320F8.
- Clamping Method: All models utilize an Air clamping method.
- Workpiece Max. Weight (kg): From 120kg (S-150) to 350kg (S-320I, S-320LI, S-320F8) for horizontal mounting, and from 60kg (S-150) to 180kg (S-320I, S-320LI, S-320F8) for vertical mounting.
- GD2 (kg·m² (kgf·cm·sec²)): Ranges from 0.22 (2.2) for S-150 to 4.49 (45.7) for S-320I, S-320LI, S-320F8.
- Gear Ratio: From 1/60 (S-150) to 1/120 (S-320I, S-320LI, S-320F8).
- Max. Table Rotation Speed (min⁻¹): From 50 (S-150) to 25 (S-320I, S-320LI, S-320F8).
- Product Weight (kg): From 35kg (S-150) to 170kg (S-320I, S-320LI, S-320F8).
Accuracy Specifications:
- Center Hole Run-out at Table: 0.020mm for all models.
- Parallelism between Table Face and Base: 0.020mm for all models.
- Parallelism between Center of Hole and Base: 0.020mm for all models.
- Squareness between Table Face and Base: 0.020mm at Table Dia. for all models.
- Run-out of Table Face in Rotation: 0.020mm for all models.
- Center Height: ±0.020mm (H±) for all models.
- Indexing Accuracy: 20 seconds for all models.
- Repeatability: 4 seconds for all models.
Usage Features:
- Installation: Requires careful attention to the machine tool's T-groove dimensions and proper clamping using eye bolts and wire ropes for transportation. The NC Rotary Table must be securely fixed to prevent damage or injury.
- Lubrication: The lubricant should be filled to the center line of the instrument before operation. Recommended lubricant is ISO VG100. Lubricant should be changed every 6 months, though the period may vary by specifications.
- Clamping System (Air Clamp System): Utilizes clean compressed air through an air combination (lubricator, mist separator, regulator, drain) located on the motor case. The air supply pressure should be 0.5-0.7MPa (5.1-7.1kgf/cm²).
- Air Purge System: Designed to prevent moisture and foreign matter from entering the system, which could lead to corrosion and damage. Regular draining of the air filter is recommended.
- Workpiece Mounting: For long or heavy workpieces, a tail stock or anti-vibration device is required. Workpieces must be securely clamped to prevent them from flying off during operation.
- Worm Gear Backlash Adjustment: A detailed procedure is provided to adjust the backlash of the worm gear, involving measuring the backlash using a dial gauge and adjusting set screws. This adjustment is crucial for maintaining accuracy and preventing damage.
- Motor Cover Removal: Instructions for removing the motor cover and replacing components like the motor, coupling, and setscrews are provided.
- Safety: Emphasizes powering off the NC Rotary Table before installation, service, maintenance, or repair work. Users are warned against touching rotating parts, applying excessive cutting force, or modifying the device without manufacturer consent.
Maintenance Features:
- Daily Inspection: Includes checking the fixing of the NC Rotary Table, the cable and hose for damage, air pressure, calculation and positioning, and abnormal noise or heat.
- Periodic Inspection (every six months): Involves checking for contamination of the lubricant, condition of connectors and damaged cables, and corrosion or open circuits in the motor casing.
- Lubricant Change: Recommended every 6 months to ensure smooth operation and prevent wear.
- Storage: For long-term storage, the NC Rotary Table should be cleaned, cutting fluid removed, and rust preventive oil applied to all surfaces. It should be wrapped in vinyl sheet and stored in a wooden box. Green wood should be avoided as it can cause rust.
- O-ring Maintenance: All O-rings on the surfaces of all covers should be handled with care during disassembly and reassembly to prevent damage.
- Worm Gear Backlash Adjustment: Regular adjustment of the worm gear backlash is critical for maintaining the device's accuracy and preventing premature wear. This involves a precise measurement and adjustment procedure detailed in the manual.
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