Universal Tool & Cutter Grinder Machine Model PR-U2
Designed for precision sharpening of cutting tools, this grinder handles end mills, reamers, and drill bits with high accuracy. Ideal for tool rooms, it features a 45–60 kg frame and 0.02–0.03 mm precision. • Max grinding diameter Ø25 mm • Includes collets Dia. 4, 6, 8 mm • Spindle speed 3600 – 5200 RPM • Taper angle range 0° – 180°
See it in action
Specifications
For: PR-U2- Model
- AR-U2
- Type
- Universal Cutter Grinder
- Max Collet Capacity
- Ø16–18 mm
- Max Grinding Diameter
- Ø25 mm
- Grinding Wheel Size
- 100 × 50 × 20 mm
- Spindle Speed
- 3600 – 5200 RPM
- Motor Power
- 1/3 HP (0.37 kW)
- Voltage
- 220V / 380V
- Taper Angle Range
- 0° – 180°
- Relief Angle Range
- 0° – 45°
- Negative Angle Range
- 0° – 25°
- Tool Holder Travel
- 140 mm
- Index Head Positions
- 24 Positions
- Grinding Precision
- 0.02–0.03 mm
- Machine Weight
- 45 – 60 kg
- Packing Size
- 540x440 ×480 mm
- Standard Accessories Included
- Collets: Dia. 4, 6, 8 mm
Configurations
Click a row to switch| Variant | Max Collet Capacity | Max Grinding Diameter | Voltage | Machine Weight | Price |
|---|---|---|---|---|---|
| PR-U2 | Ø16–18 mm | Ø25 mm | 220V / 380V | 45 – 60 kg | ₹47,900 |
| PR-U3 | Ø16–18 mm | Ø25 mm | 220V / 380V | 55 – 66 kg | ₹55,000 |
Common Buyer Questions
Q: Is this machine suitable for CNC tool maintenance? A: Yes, it is designed for CNC maintenance units and industrial production setups. Q: What voltage options are available for this grinder? A: The machine supports both 220V and 380V voltage configurations. Q: Can it handle large diameter cutting tools? A: It supports a max grinding diameter of Ø25 mm for various cutters.
Ideal Workshop & Production Environments
- Ideal for tool rooms requiring frequent reconditioning of cutting tools
- Suited for CNC maintenance units needing precise tool restoration
- Supports industrial production setups with high durability requirements
- Ensures accuracy and efficiency for professional machining workflows
- Built for durability to withstand continuous use in busy workshops
Precision Indexing & Control
- Features 24 index positions for accurate tool division and setup
- Provides 140 mm tool holder travel for extended reach and flexibility
- Ensures stable operation with machine weight between 45 and 60 kg
- Designed for accuracy and efficiency in everyday tool grinding operations
- Compact packing size of 540x440 ×480 mm facilitates easy transport
Robust Motor & Spindle Performance
- Equipped with a reliable 1/3 HP (0.37 kW) motor for consistent power
- Offers variable spindle speed control from 3600 to 5200 RPM
- Max grinding diameter reaches Ø25 mm for larger cutter tools
- Accepts collet capacities ranging from Ø16 to 18 mm for secure holding
- Utilizes 100 × 50 × 20 mm grinding wheels for versatile operations
- Compatible with 220V / 380V voltage standards for global use
Versatile Tool Sharpening Capabilities
- Designed for sharpening and reconditioning a wide range of cutting tools
- Handles end mills, reamers, drill bits, and side & face cutters effectively
- Achieves high precision grinding accuracy of 0.02–0.03 mm
- Supports taper angle ranges from 0° to 180° for complex geometries
- Allows relief angle settings between 0° and 45° for optimal edge life
- Accommodates negative angle grinding up to 25° for specialized tools
- Available in AR-U2 and U3 series configurations for diverse shop needs
Standard Accessories
- Grinding Wheel (100×50×20 mm)
- Wheel Flange (Mounted)
- Diamond Wheel Dresser
- Collet Set (Ø4, 6, 8, 10, 12 mm)
- Drive Belt
- Tool Kit (Spanners, Allen Keys)
- Aligning Finger
- Lock Pin
- Screwdrivers / Basic Tools
- Lathe Tool Grinding Attachment (For U3)
- Indexing Head (24 Position)
- Work Light (in some models)
More questions buyers ask
What is a Universal Tool & Cutter Grinder used for?
It is used for sharpening and reconditioning various cutting tools like end mills, drill bits, reamers, and lathe tools to maintain precision in machining.
What is the max grinding diameter for the Pentagon AR-U2?
The Pentagon AR-U2 has a maximum grinding diameter capacity of 25 mm.
Does the machine come with a warranty?
Yes, Pentagon machines come with standard manufacturer warranty support. Please check specific invoice details for coverage.
Is this machine suitable for CNC tool maintenance?
Yes, it is highly recommended for CNC maintenance units and industrial tool rooms requiring frequent tool restoration.
What voltage does the Pentagon AR-U2 require?
The machine is versatile and supports both 220V and 380V power configurations.
What accessories are included with the AR-U2?
Standard accessories include grinding wheels, collets (4, 6, 8 mm), wheel flange, diamond dresser, and a tool kit.
What is the spindle speed of these grinders?
The spindle speed is adjustable between 3600 and 5200 RPM for optimal grinding performance.
Can it grind negative angles?
Yes, the machine supports negative angle grinding up to 25 degrees.
What is the weight of the AR-U2 machine?
The AR-U2 model weighs between 45 and 60 kg, making it a stable bench-type unit.
How precise is the grinding accuracy?
The machine offers high precision grinding accuracy ranging from 0.02 to 0.03 mm.
Who should choose the AR-U2 model?
The AR-U2 is perfect for workshops needing a reliable, compact, and cost-effective solution for basic tool sharpening and maintenance.
Who should choose the AR-U3 model?
The AR-U3 is ideal for professional tool rooms requiring higher precision (0.01 mm) and additional attachments for twist drills, end mills, and lathe tools.
How does the AR-U2 compare to the AR-U3?
The AR-U3 offers higher precision (0.01 mm vs 0.02-0.03 mm) and includes advanced attachments for drill and lathe tool grinding that are optional or not included with the AR-U2.
Which model is better for heavy-duty industrial use?
The AR-U3 is generally preferred for heavy-duty industrial use due to its higher precision and comprehensive accessory set for diverse tool types.
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Full description
Designed for precision sharpening of cutting tools, this grinder handles end mills, reamers, and drill bits with high accuracy. Ideal for tool rooms, it features a 45–60 kg frame and 0.02–0.03 mm precision.
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• Max grinding diameter Ø25 mm • Includes collets Dia. 4, 6, 8 mm • Spindle speed 3600 – 5200 RPM • Taper angle range 0° – 180°