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Reishauer NRK Thread Grinding Machine

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

Price 100000 INR/ Piece

Get a Price/Quote

MOQ : 1 Piece

Reishauer NRK Thread Grinding Machine Specification

Rotation
Manual

Model
NRK

Product Type
Thread Grinding Machine

General Use
Thread Grinding

Material
Cast Iron

Type
Horizontal

Capacity
High Precision

Weight (kg)
Approx. 3500 kg

Computerized
No

Automatic
No

CNC Or Not
Not CNC

Control System
Conventional

Table Size
700 mm x 200 mm

Table Slide Way
Guideways

Magnetic Chuck Size
Standard

Grinding Wheel Size
400 mm x 100 mm x 152.4 mm

Grinding Wheel Speed
1500 RPM

Grinding Length
Max 700 mm

Floor Space
2100 mm x 1600 mm

Spindle Speed
200 - 1400 RPM

Power
7.5 kW

Voltage
380 V

Dimension (L*W*H)
2100 mm x 1600 mm x 1700 mm

Feature
Efficient, High Accuracy

Color
Grey

Chuck Type
3 Jaw / 4 Jaw

Coolant System
Integrated

Lead Range
1 - 120 mm

Wheel Motor Power
7.5 HP

Max Workpiece Diameter
250 mm

Distance Between Centers
700 mm

Lubrication
Automatic

Warranty Type
Limited

Made In
Switzerland

Thread Types Supported
Metric, Whitworth, ACME, Trapezoidal

Max Workpiece Length
700 mm

Workhead Motor Power
2 HP

Wheelhead Travel
800 mm

Surface Finish Ability
Up to 0.002 mm

Min Pitch
0.5 mm

Reishauer NRK Thread Grinding Machine Trade Information

Minimum Order Quantity
1 Piece

Main Domestic Market
All India

About Reishauer NRK 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

- Equipped with Relief Grinding Attachment.

- Equipped with a Single-Point Wheel Dresser.

- Complete with Change Gears, Coolant Tank and Pump.

- Operating Manual & Electrical Drawings are available.

- Machine is in excellent working condition.

Video of The Machine -

https://youtu.be/_gi24v2t9pk

Engineered for Precision and Durability

Manufactured in Switzerland, the Reishauer NRK thread grinding machine boasts cast iron construction to minimize vibration and maintain high precision. Automatic lubrication and an integrated coolant system ensure consistent operation, minimizing maintenance needs. Its standard magnetic chuck and versatile chuck options accommodate varying workpiece sizes and shapes while maintaining accuracy.

Flexible Thread Grinding Capabilities

This machine is engineered to handle a wide array of thread types such as Metric, Whitworth, ACME, and Trapezoidal, with a lead range from 1 to 120 mm and a minimum pitch of 0.5 mm. Its maximum workpiece diameter of 250 mm and a grinding length up to 700 mm make it suitable for a broad spectrum of industrial thread grinding applications.

User-Friendly Conventional Control System

The NRK model operates via a traditional manual control system, not CNC-based, making it straightforward for operators familiar with conventional grinders. Featuring manual table rotation and precise guideways, it delivers high accuracy and repeatability. The robust drive mechanisms and high wheel speed ensure efficient machining and superior surface finishes.

FAQ's of Reishauer NRK Thread Grinding Machine:

Q: How does the Reishauer NRK Thread Grinding Machine ensure high-precision thread grinding?

A: The machine is built with a robust cast iron body to reduce vibrations and features a wheel motor with 7.5 HP power for stable grinding. Its guideway table slide system and automatic lubrication further enhance precision, resulting in surface finishes as fine as 0.002 mm.

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

A: The Reishauer NRK supports Metric, Whitworth, ACME, and Trapezoidal threads, accommodating a wide lead range (1-120 mm) and a minimum pitch of 0.5 mm, making it versatile for various threading applications.

Q: When should a manufacturer consider choosing a non-CNC thread grinding machine like the NRK?

A: Manual-control machines like the NRK are ideal when production requires high precision with flexibility, without the necessity for automation or computerized programming, and when relying on skilled operators for custom or small batch production.

Q: Where can the Reishauer NRK be installed optimally?

A: With its compact footprint (2100 mm x 1600 mm) and substantial weight (approx. 3500 kg), the machine is best suited for a stable shop floor with appropriate electrical supply (380V) and a controlled environment to ensure accuracy and reliability.

Q: What is the typical process for grinding threads on this machine?

A: Workpieces are clamped using a 3-jaw or 4-jaw chuck, set between centers, and then ground with the 400 mm grinding wheel. Operators manually rotate the workpiece and guide the wheelhead over a travel of up to 800 mm, utilizing the integrated coolant system to ensure smooth operation.

Q: How does the integrated coolant system benefit the grinding operation?

A: The coolant system helps maintain tool and workpiece temperatures, prevents overheating, ensures chip removal from the grinding area, and contributes to achieving superior surface finishes while prolonging tool life.