About G. Rastelli R5A Cylindrical Grinder
Make - G. Rastelli (Italy)
Model - R5A
Center Height - 130 mm
Max. Job Diameter - 250 mm
Max. Length of Job - 500 mm
Grinding Wheel Size - Diameter 400 mm x 50 mm Width
Work-Head Speeds - 50 rpm to 490 rpm
- Equipped with MARPSS make In-Process Gauge.
- Machine has lots of accessories with it.
- Machine is in excellent working condition.
video link - https://youtu.be/pXzeIgGfasI
High-Precision PerformanceThe G. Rastelli R5A is built to achieve exceptional accuracy, making it ideal for precision grinding of cylindrical workpieces. Its minimum increment of 0.002 mm and achievable surface finish of 0.5 microns ensure outstanding results for industries requiring fine tolerances and optimal smoothness.
Versatile Operational CapacityWith a grinding diameter of up to 180 mm and a maximum grinding length of 630 mm, this cylindrical grinder accommodates a variety of applications. The table can swivel +/- 7 degrees for angular operations, while the infinitely variable speed work head and internal grinding attachment support both external and internal grinding tasks.
Reliable Design and User ConvenienceManufactured in Italy with robust cast iron construction, the R5A offers dependable performance and long service life. Features like the centralized lubrication system, semi-automatic controls, mechanical drive, and efficient coolant system deliver maximum convenience and minimize maintenance needs for operators.
FAQs of G. Rastelli R5A Cylindrical Grinder:
Q: How can the G. Rastelli R5A Cylindrical Grinder be used for internal grinding operations?
A: The R5A is equipped with an internal grinding attachment, allowing users to perform both external and internal cylindrical grinding processes on various components, enhancing its versatility for different machining tasks.
Q: What is the benefit of the infinitely variable work head speed?
A: The infinitely variable work head speed, ranging from 38 to 250 RPM, enables precise adjustment for different material types and grinding requirements, optimizing surface finish and improving overall grinding efficiency.
Q: Where can the G. Rastelli R5A be installed and what are its space considerations?
A: The machines dimensions are 2100 x 1300 x 1400 mm, which makes it suitable for industrial workshops and manufacturing facilities with adequate floor space for installation and safe operation.
Q: What is the process for achieving high surface finish on this grinder?
A: With advanced control over work head speed, a 2 HP grinding wheel motor, and a coolant system, the R5A can achieve a surface finish as fine as 0.5 microns. The precise table swivel and minimum increment of 0.002 mm further enhance finish quality.
Q: When should the lubrication and coolant systems be checked?
A: Regular checks of the centralized lubrication and provided coolant system should be performed as per the maintenance schedule to ensure consistent performance, reduce wear, and prolong machine lifespan.
Q: How does the robust design of the R5A benefit long-term usage?
A: Constructed with durable cast iron and featuring a reliable mechanical drive, the R5A is designed to minimize vibration, withstand heavy-duty industrial use, and require less frequent maintenance, ensuring stability over years of operation.