About TOS BH25A Heavy Duty Cylindrical Grinder
TOS (Czech Republic) make Heavy-Duty Cylindrical Grinding Machine in excellent working condition. The model of the machine is BH 25A/1000 and the Max. Job Diameter is 250 mm and the Max. Job Length is 1000 mm. This is a very heavy duty machine with a grinding wheel diameter of 600 mm and wheel width of 175 mm. The technical details are as follows -
Make - TOS-Hostivar (Czech Republic)
Model - BH 25A / 1000
Center Height - 130 mm
Max. Job Diameter - 250 mm
Max. Length of Job - 1000 mm
Grinding Wheel Size - Diameter 600 mm x 175 mm Width
Work-Head Speeds - 18 rpm to 560 rpm
Least Count - 1 Micron
- Joy-Stick Model ; one of the latest models of conventional machines made by TOS.
- Features like Rapid Travel of Table, Delay, Auto-Cut, Plunge, Auto-Compensation etc.
- Very Heavy Duty Machine having a Grinding Wheel Width of 175 mm.
- Complete with Coolant Tank & Pump.
- Operating Manual & Electrical Drawings are available.
- Machine is in excellent working condition.
Video link - https://youtu.be/_xzC8AMHfOM
Precision Cylindrical Grinding for Heavy-Duty ApplicationsThe TOS BH25A delivers exceptional accuracy and repeatability in external cylindrical grinding. Its robust construction ensures stability, while the integrated lubrication and coolant systems contribute to smoother operations and prolonged machine life. This model is ideal for heavy-duty precision tasks involving larger workpieces, supporting diverse manufacturing and maintenance requirements.
Key Features for Enhanced ProductivityWith a maximum workpiece capacity of 250 mm diameter and 1000 mm length, rapid approach and retraction mechanisms, and a table swivel range of 8, the BH25A accommodates varied geometries and ensures efficient setups. Semi-automatic controls and easy operation provide operators with flexibility, while optional internal grinding attachment further broadens the machines capabilities.
FAQs of TOS BH25A Heavy Duty Cylindrical Grinder:
Q: How is precision maintained during grinding on the TOS BH25A Heavy Duty Cylindrical Grinder?
A: Precision is achieved through the machines sturdy cast iron and steel construction, hydraulic table movement, and centralized automatic lubrication system, which minimize vibration and ensure consistent motion for surface finishes up to 0.5 Ra m.
Q: What types of workpieces can be processed on the BH25A cylindrical grinder?
A: This grinder is suitable for external cylindrical grinding of workpieces up to 60 kg, measuring 8 mm to 250 mm in diameter, and up to 1000 mm in length. It is designed for live and dead center chuck operations, accommodating a wide variety of cylindrical forms.
Q: When should I use the optional internal grinding attachment?
A: The internal grinding attachment is recommended when you need to process the internal surfaces or bores of cylindrical components. It enhances the machines versatility, allowing both external and internal grinding operations without requiring multiple setups.
Q: Where is the integrated coolant system located on the BH25A?
A: The integrated coolant tank and pump are housed within the machine base, ensuring efficient delivery of coolant directly to the grinding area. This aids heat dissipation, maintains consistent surface quality, and extends wheel life.
Q: What is the process for setting up rapid approach and retraction on this grinder?
A: The rapid approach and retraction features are conveniently managed via the semi-automatic controls, streamlining the positioning of the workpiece and grinding wheel to reduce setup time and improve operator productivity.
Q: How does the centralized automatic lubrication system benefit usage?
A: This system ensures that all critical moving parts receive consistent lubrication, significantly reducing maintenance requirements and wear, thereby increasing the longevity and operational reliability of the machine.
Q: What are the main advantages of using a conventional semi-automatic control system on the BH25A?
A: A conventional semi-automatic system combines straightforward manual adjustments with automated processes, allowing operators to maintain control over precision work while benefiting from increased efficiency and easier operation, especially for complex grinding tasks.