About TOS BU28 650 mm Universal Cylindrical Grinder
Make - TOS Hostivar (Czech Republic)
Model - BU 28
Center Height - 150 mm
Max. Job Diameter - 290 mm
Max. Job Length - 650 mm
Grinding Wheel Size - Diameter 400 mm x 50 mm Width
Work-Head Speeds - 22.4 rpm to 710 rpm
Wheel-Head Speed - 2050 rpm
- Equipped with Internal Grinding Attachment.
- Features like Auto-Cut, Delay, Auto-Slow, Plunge Grinding etc.
- With 2-point steady, 3-point steady, Wheel Dresser, Wheel Flange etc.
- With Magnetic type Coolant Filtration Unit, Coolant Tank & Pump.
- Machine is in excellent working condition.
Video of The Machine-
https://youtu.be/4y5x6XMtnZU
Precision Grinding PerformanceEngineered for high accuracy, the TOS BU28 offers consistent grinding within IT5 tolerance, delivering surface finishes as fine as 0.2 microns Ra. Its rigid cast iron and high-grade steel assemblies ensure stability and minimal vibration, enhancing grinding quality for demanding applications.
Versatile Application ScopeThis cylindrical grinder adapts seamlessly to diverse industry needs, thanks to features like an internal grinding attachment, swiveling wheelhead, and compatibility with various chucks. Its ideal for precision tool rooms, machine manufacturing, and maintenance workshops seeking reliability and multipurpose functionality.
User-Friendly OperationManual and semi-automatic controls, together with a clear conventional interface, make the TOS BU28 easy to operate. Integrated systems for lubrication and coolant simplify maintenance while ensuring optimal grinding conditions for both skilled operators and newcomers.
FAQs of TOS BU28 650 mm Universal Cylindrical Grinder:
Q: How does the TOS BU28 ensure high-precision grinding results?
A: The TOS BU28 achieves high-precision grinding using a robust cast iron frame for stability, a swiveling wheelhead for angular grinding, automatic lubrication, and a reliable electric belt-driven spindle. Its components are designed to meet IT5 tolerance and deliver surface finishes up to 0.2 microns Ra.
Q: What types of grinding operations can be performed with this machine?
A: The grinder is versatile, supporting both external and internal cylindrical grinding, thanks to its internal grinding attachment and swiveling wheelhead. It handles a wide range of workpieces up to 650 mm in length and 290 mm in diameter.
Q: When is the use of the internal grinding attachment recommended?
A: The internal grinding attachment is suggested for finishing precision diameters and surfaces inside bores and holes, especially when high accuracy and surface finish are required, such as in tool making or repairing mechanical components.
Q: Where is the TOS BU28 typically utilized?
A: This grinder finds application in tool rooms, production machining, machine building, and repair workshops. Its versatility and reliability make it suitable for industries demanding precise cylindrical grinding of components.
Q: What is the process for setting up and operating the machine?
A: Setup involves securing the workpiece between centers or in a compatible 3-jaw chuck, configuring the grinding wheel and table swivel angle, and selecting spindle speed. Manual and semi-automatic controls guide the operator through each grinding cycle for efficient and accurate processing.
Q: How does the automatic lubrication system benefit users?
A: The automated centralized lubrication system reduces manual maintenance, ensures all moving parts remain properly lubricated, and extends the machines lifespan. This delivers consistent performance and minimizes downtime.
Q: What are the main benefits of choosing the TOS BU28 cylindrical grinder?
A: Key advantages include high-precision grinding capabilities, versatility in operation, robust build quality, ease of maintenance, and adaptability to both manual and semi-automatic processesmaking it an excellent investment for precision engineering tasks.