Cincinnati 2LR Centreless Grinding Machine

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Cincinnati 2LR Centreless Grinding Machine

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MOQ : 1 Piece

Cincinnati 2LR Centreless Grinding Machine Specification

Rotation
Grinding wheel & Regulating wheel: Counter rotation as standard

Model
2LR

Product Type
Centreless Grinding Machine

General Use
Centreless cylindrical grinding of shafts, bars, rods, and other components

Material
Cast Iron, Hardened Steel Parts

Type
Centreless

Capacity
Maximum component diameter up to 50 mm

Weight (kg)
Approx. 2200 kg

Computerized
No

Automatic
No (Semi-automatic/Hand fed)

CNC Or Not
No (Conventional/Manual Machine)

Control System
Manual

Table Size
Not applicable (Centreless design)

Table Slide Way
Box type

Grinding Wheel Size
400 mm x 150 mm (Diameter x Width)

Grinding Wheel Speed
1810 RPM

Grinding Length
No work table through-feed length unlimited, plunge-feed limited by wheel width

Floor Space
1850 mm x 1200 mm approx.

Spindle Speed
Grinding and Regulating Wheel Spindles fixed speed

Power
7.5 HP main motor

Voltage
415 V, 3 Phase AC

Dimension (L*W*H)
Approx. 1850 x 1200 x 1400 mm

Feature
Robust design, Precision grinding, High production capability

Color
Standard Machine Green/Blue (may vary)

Finish Quality
Surface finish up to 0.3 Ra achievable

Feed System
Through-feed and In-feed

Application
Automobile parts, Bearing races, Shafts, Pump rods, Fasteners

Regulating Wheel Dimensions
200 mm x 150 mm (Diameter x Width)

Installation
Floor-mounted, anti-vibration pads suggested

Wheel Dressing
Manual diamond dresser

Machine Condition
Offered as New/Used/Reconditioned

WorkingSpeed
Adjustable via Regulating Wheel, Up to 40 m/min

Lubrication
Centralized lubrication system

Min Grinding Diameter
Up to 2 mm (with appropriate tooling)

Electricals
Standard with ISI marked components

Max Grinding Diameter
Up to 50 mm

Noise Level
< 85 dB(A)

Coolant System
External coolant tank & pump

About Cincinnati 2LR Centreless Grinding Machine

Make - Cincinnati Milacron (USA)

Model - 2LR

Job Diameter Range - 1.6 mm to 121 mm

Max. Grinding Wheel Diameter - 500 mm

Max. Regulating Wheel Diameter - 350 mm

Current Width of Wheels - 200 mm

Max. Wheel Widths - 250 mm

Regulating Wheel Speeds - 12 rpm to 315 rpm

Least Count - 1 Micron (0.001 mm)

Tilting Angle of Regulating Wheel - 15 Degree to -5 degree

- Complete with Operating Manual and other accessories.

- With Coolant Tank & Pump.

- Machine is in excellent working condition.

video link - https://youtu.be/S02u6XHK-Qc

Precision Productivity for Industrial Applications

The Cincinnati 2LR Centreless Grinding Machine provides reliable performance for diverse sectors, from automotive components to bearing races. With a proven design and rigid construction, it offers stable, precise grinding, accommodating both small and large components. Users benefit from a consistent surface finish, enhanced by a centralized lubrication system and efficient external cooling. Designed for extended production cycles, this machine supports seamless integration on shop floors worldwide.

Versatile and User-Friendly Operation

Capable of both through-feed (unlimited length) and in-feed grinding, the 2LR adapts to a spectrum of manufacturing needs. The machines feed speeds are easily adjustable via the regulating wheel, with fixed spindle speeds ensuring uniform operation. Maintenance is streamlined thanks to manual diamond dressing and ISI-marked electrical components, making routine servicing straightforward and dependable. Floor-mounted installation and anti-vibration measures further simplify implementation and daily use.

FAQs of Cincinnati 2LR Centreless Grinding Machine:

Q: How does the Cincinnati 2LR Centreless Grinding Machine improve the quality of finished components?

A: The 2LR achieves an outstanding surface finish up to 0.3 Ra, attributable to its robust design, precise regulating wheel system, and efficient external coolant and lubrication systems. This high degree of finish is essential for components like bearing races, shafts, and automotive parts, ensuring optimal performance and longevity in their final application.

Q: What types of parts can be processed with the Cincinnati 2LR model?

A: This machine is specifically designed for centreless cylindrical grinding, making it ideal for automotive parts, bearing races, pump rods, fasteners, shafts, and other round industrial components with diameters between 2 mm and 50 mm, using appropriate tooling.

Q: When should I choose through-feed versus in-feed grinding on this machine?

A: Through-feed grinding is best when machining long, straight components without complex profiles, as the workpiece passes continuously through the grinding zone. In-feed (plunge) grinding is used for parts with multiple diameters or step features, where portions of the part require specific dimensional control up to the wheel width.

Q: Where should the Cincinnati 2LR be installed for optimal performance?

A: For best results, install the machine in a clean, stable production environment, directly on the shop floor. Utilizing anti-vibration pads is strongly recommended to minimize external disturbances and enhance grinding accuracy. Allow sufficient floor space of approximately 1850 mm x 1200 mm for easy access and maintenance.

Q: What is the standard process for dressing the grinding wheel on this machine?

A: The 2LR employs a manual diamond dresser for wheel dressing. Operators manually guide a diamond-tipped tool across the grinding wheels surface, restoring its cutting profile and ensuring consistent surface finish for subsequent workpieces.

Q: How does the centralized lubrication system benefit machine usage?

A: Centralized lubrication automates the timely supply of oil to critical moving parts, reducing friction, wear, and maintenance intervals. This ensures smoother operation, prolongs machine life, and maintains precision during extended production runs.

Q: What are the main benefits of using the Cincinnati 2LR Centreless Grinding Machine?

A: Users benefit from its robust and precise grinding capability, adaptability to different production needs, high production capacity, and ease of maintenance. Its noise level is kept below 85 dB(A) for a safer workplace, and users can choose between new, used, or reconditioned machines to fit their budget and requirements.

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