Reishauer NRK Automatic Thread Grinding Machine

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Reishauer NRK Automatic Thread Grinding Machine

Name: Reishauer NRK Automatic Thread Grinding Machine
Brand: Liberty Metal & Machines Private Limited
Price: 100000 INR
Availability: InStock

Price 100000 INR/ Piece

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MOQ : 1 Piece

Reishauer NRK Automatic Thread Grinding Machine Specification

Model
NRK

Rotation
Left/Right Hand

Product Type
Thread Grinding Machine

General Use
Industrial Thread Grinding Operations

Material
High Grade Cast Iron & Steel Parts

Type
Thread Grinder

Capacity
Up to M100 Thread

Weight (kg)
Approx 3000 kg

Computerized
No

Automatic
Yes

CNC Or Not
No - Manual/Automatic

Control System
Automatic

Table Size
220 mm (Width)

Table Slide Way
V and Flat

Magnetic Chuck Size
180 mm

Grinding Wheel Size
350 mm x 127 mm x 40 mm

Grinding Wheel Speed
1650 rpm

Grinding Length
200 mm (approx)

Floor Space
2500 mm x 1600 mm

Spindle Speed
1650 rpm

Power
5.5 kW

Voltage
415 V

Dimension (L*W*H)
Approx 2500 mm x 1600 mm x 1550 mm

Feature
High Accuracy, Robust Design, Reishauer Threading Mechanism

Color
Standard Machine Green

Lubrication
Centralized Automatic

Mounting
Floor Mounted

Safety Features
Overload Protection, Emergency Stop

Bed Type
Heavy Ribbed Casting

Main Motor
5.5 HP

Chuck Type
Three Jaw

Noise Level
<75 dB

Tooling
Standard Thread Grinding Wheel

Drive Type
Electric Motor Driven

Application
Grinding of Metric, Whitworth, Trapezoidal, and Special Threads

Max Workpiece Diameter
160 mm

Table Traverse
Mechanical

Max Helix Angle
20°

Thread Pitch Range
0.5 mm to 8 mm

Max Workpiece Length
200 mm

Coolant System
Integrated

Accuracy
Up to 0.005 mm

Reishauer NRK Automatic Thread Grinding Machine Trade Information

Minimum Order Quantity
1 Piece

Main Domestic Market
All India

About Reishauer NRK Automatic Thread Grinding 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

Least Count of Wheel-Head Travels - 1 Micron (0.001 mm)

No. of Flutes (for Relief Grinding Attachment) - 1 to 16 Flutes

- Equipped with a Single-Point type Wheel Dresser.

- Equipped with Relief Grinding Attachment.

- Equipped with Servo-Motor, HMI & PLC for complete Auto-Cycle Operations.

- Auto-Cycle Working with Auto-Cut, Spark-Out, Auto-Compensation features etc.

- Complete with Change Gears, Wheel Flanges (total 6 pcs), Job Carriers, Centers etc.

- Complete with Wheel Balancing Shaft, Coolant Tank, Pump & many other accessories.

- Operating Manual of the machine is available.

- Machine is in excellent working condition.

Video of The Machine -

https://youtu.be/m27XXN71fTU

Advanced Thread Grinding Precision

With an accuracy of up to 0.005 mm, the Reishauer NRK delivers unmatched thread profiles for diverse industrial applications. The machine's robust cast iron and steel construction minimizes vibration, ensuring fine tolerances even with challenging thread geometries. Designed for demanding environments, the NRK's automatic control system offers reliable consistency and high-volume throughput.

Versatile and Efficient Operations

This thread grinder supports multiple thread types, including metric, Whitworth, and trapezoidal, as well as special forms. Its 5.5 HP main motor and 1650 rpm spindle deliver powerful and efficient operations. Integrated systems like centralized lubrication and enclosed coolant ensure smooth performance, reduced maintenance, and prolonged tool longevity.

Engineered for Safety and Durability

Safety is integral to the NRK series. Overload protection, a dedicated emergency stop system, and heavy ribbed casting construction offer both operator security and machine durability. Floor-mounting design and high-grade hardware guarantee long-term industrial use. Its compact footprint accommodates space-conscious workshops while maintaining substantial working capacity.

FAQ's of Reishauer NRK Automatic Thread Grinding Machine:

Q: How does the Reishauer NRK ensure high thread grinding accuracy?

A: The NRK achieves exceptional accuracy, up to 0.005 mm, through precise mechanical design, advanced grinding wheel control, stable bed construction, and integrated automatic lubrication, all of which minimize vibration and thermal expansion during operation.

Q: What types of threads can be ground with this machine?

A: The Reishauer NRK is engineered to grind a variety of thread profiles, including Metric, Whitworth, Trapezoidal, and custom special threads, making it ideal for diverse industrial threading applications.

Q: When is it recommended to use the NRK machine's full capacity?

A: For large-scale or high-precision industrial projects, utilizing the NRK's maximum thread capacity (up to M100) and workpiece dimensions (160 mm diameter, 200 mm length) ensures optimal results, especially when working with complex or customized thread forms.

Q: Where is the optimal environment for installing this thread grinder?

A: The NRK is best suited for floor-mounted installation in a well-ventilated, vibration-free industrial workshop with sufficient space (2500 mm x 1600 mm), a stable power supply (415 V), and safety provisions for operator comfort.

Q: What is the process for thread grinding on the NRK machine?

A: Operators securely clamp the workpiece with a three-jaw chuck on the robust V and flat table slideway, select the appropriate standard grinding wheel, and adjust the automatic control system. The integrated coolant and automatic lubrication maintain performance throughout the cycle.

Q: How does the integrated safety system benefit users?

A: The safety system includes overload protection and an emergency stop feature, minimizing injury risk and equipment damage. Safety protocols, combined with strong machine construction, ensure secure operation even under continuous industrial workloads.

Q: What are the key benefits of using this machine in an industrial setting?

A: Key advantages include outstanding grinding accuracy, versatility across multiple thread types, robust construction for heavy-duty use, user-friendly controls, low noise levels (<75 dB), and integrated systems that reduce downtime and enhance operator safety.

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