About TOS BUA 20 Precision Cylindrical Grinder
Make - TOS (Czech Republic)
Model - BUA 20
Center Height - 105 mm
Max. Diameter of Job - 200 mm
Max. Length of Job - 500 mm
Grinding Wheel Size - Diameter 350 mm x 50 mm Width
Least Count of Wheel-Head Slide - 1 Micron
- Features like Auto-Cycle, Auto-Cut, Auto-Compensation, Plunge, Delay etc.
- Micro-Feed Adjustments in Wheel-Head Travel.
- Complete with Coolant Tank & Pump and spare Grinding Wheels.
- Machine is in excellent working condition.
Video link - https://youtu.be/uP5TzQ3NRSk
Precision and VersatilityThe TOS BUA 20 Precision Cylindrical Grinder offers exceptional versatility for industrial applications, supporting both external and optional internal grinding tasks. Its robust design and high center height enable it to accommodate diverse cylindrical workpieces up to 200 mm in diameter and 630 mm in length, making it ideal for a variety of machining environments.
Heavy-Duty PerformanceBuilt from heavy-duty, ribbed cast iron, the machine ensures minimal vibration and superior accuracy, maintaining a maximum workpiece weight of 80 kg. Its powerful 3.0 kW electric wheelhead and optional 200 mm chuck offer reliable performance, even during continuous operation, making it suited for high-precision, demanding workshop settings.
Advanced Features and Ease of UseFeaturing an integrated coolant system, centralized lubrication, and manual controls, the TOS BUA 20 is easy to operate while delivering consistent results. Accessories such as grinding wheels, balancing stand, flanges, and dressing tools are included, ensuring a comprehensive setup for both standard and specialized grinding applications.
FAQs of TOS BUA 20 Precision Cylindrical Grinder:
Q: How is the TOS BUA 20 Precision Cylindrical Grinder typically used?
A: This machine is primarily used for high-precision grinding of cylindrical surfaces, suitable for both external and optional internal grinding, making it ideal for tool rooms, workshops, and industrial production lines requiring accurate surface finishes and dimensional tolerances.
Q: What is the process for changing the grinding wheel on the machine?
A: To change the grinding wheel, first switch off the machine and disconnect the power. Remove the protective cover, use the provided flanges and tools to carefully detach the old wheel, install the new wheel, re-balance it using the balancing stand, and re-secure all covers before restarting the grinder.
Q: When should the lubrication and coolant systems be checked or maintained?
A: The centralized lubrication and integrated coolant systems should be checked regularlyideally before each operational shift. Routine maintenance ensures proper lubrication of moving parts and efficient cooling, which helps preserve the precision and longevity of the grinder.
Q: Where can the TOS BUA 20 be installed and operated most effectively?
A: This cylindrical grinder is best suited for installation in well-ventilated, dry industrial workshops or manufacturing facilities with access to 380 V / 50 Hz electric supply. Its heavy-duty design and stable dimensions ensure it can operate efficiently on leveled factory floors.
Q: What are the benefits of the heavy-duty ribbed cast iron construction?
A: The robust cast iron body minimizes vibration and deformation during operation, delivering improved accuracy, surface finish, and machine durability. This design feature allows for high-precision grinding even with heavier workpieces up to 80 kg.
Q: How does the machine ensure high surface finish quality?
A: The TOS BUA 20 delivers surface finishes up to 0.2 Ra thanks to its rigid construction, precise spindle speed control (40130 rpm), and reliable grinding wheel setup. The integrated lubrication and coolant systems also play a crucial role in achieving consistent, high-quality surfaces.