About Reishauer NRK Thread Grinder Machine
Make - Reishauer (Switzerland)
Model - NRK
Max. Grinding Length - 450 mm
Max. Distance between Centres - 700 mm
Job Diameter Range - 3 mm to 200 mm
Minimum Pitch - 0.4 mm
Maximum Pitch - 80 mm
Grinding Wheel Diameter - 350 mm
Max. Inclination of Wheel-Head - +25 degree to -25 degree
- Equipped with Relief Grinding Attachment.
- Multi-Rib Wheel Dresser and Single-Rib Wheel Dressers available.
- Feature of Automatic Depth Adjustment "Auto-Cut".
- Complete with spare Flanges, Crushers, Change Gears etc.
- Complete with Coolant Tank and Pump.
- Operating Manual & Electrical Drawings are available.
- Machine is in excellent working condition.
Video of The Machine -
https://youtu.be/pr9GE7mjfcU
Versatile Thread Grinding CapabilityThe NRK Thread Grinder can accommodate both right- and left-hand external threads on a wide variety of components, including gears and lead screws. Change gears are included, allowing for precise adjustment to various thread pitches and leads. The machines manual control system provides flexibility for skilled operators handling complex requirements.
Robust Construction and Reliable PerformanceConstructed with a cast iron base and steel components, the NRK is built for lasting durability and high accuracy. Its 3.5 kW wheelhead motor, standard 3-jaw chuck, and adjustable spindle speed ensure reliable operation for demanding industrial environments. The standard coolant system helps maintain optimal grinding conditions throughout the process.
FAQs of Reishauer NRK Thread Grinder Machine:
Q: How does the manual control system operate on the NRK Thread Grinder?
A: The NRK Thread Grinder features manually controlled X and Z axes, allowing operators to precisely maneuver the grinding wheel and workpiece during the thread grinding process. This control system enables skilled users to achieve accurate thread profiles on various components.
Q: What types of workpieces can be processed with the NRK Thread Grinder?
A: The machine is designed for external thread grinding on gears, worms, lead screws, and similar cylindrical parts. It accommodates a maximum workpiece diameter of 200 mm and a grinding length up to 350 mm.
Q: When is it beneficial to use the NRK Thread Grinder instead of other thread grinding machines?
A: The NRK is best suited for precision grinding applications requiring versatility across right- and left-hand threads, adjustable pitches and leads, and robust performance. Its durable construction and flexibility make it ideal for settings where highly accurate, repeatable results are crucial.
Q: Where is the NRK Thread Grinder manufactured and commonly used?
A: Manufactured in Switzerland, the NRK Thread Grinder is favored in manufacturing plants, tool rooms, and workshops worldwide for its reliability and precision in thread grinding tasks.
Q: What is the process for changing thread pitches on the NRK Thread Grinder?
A: Change gears included with the machine allow operators to quickly and accurately adjust the thread pitch and lead. By swapping out gears as needed, different thread specifications can be achieved within the machines supported range.
Q: How does the coolant system contribute to the grinding process?
A: The fitted industrial coolant system helps maintain an optimal temperature during grinding, reduces friction, and flushes away debris. This results in improved surface finish, extended wheel life, and greater dimensional accuracy.
Q: What are the primary benefits of using the NRK Thread Grinder for industrial applications?
A: The NRK offers high durability, consistent accuracy, and the capability to produce both right- and left-hand threads. Its user-friendly manual controls and adaptable design make it a reliable solution for precision thread grinding in manufacturing and repair environments.