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PENTAGON MACHINES AND TOOLS
GST : 27AARFP2364F1ZZ

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PENTAGON Universal Cutter Grinder model AR-U2

PENTAGON Universal Cutter Grinder model AR-U2 Specification

Model
AR-U2

Rotation
360 head rotation

Product Type
Universal Cutter Grinder

General Use
Universal cutter tool grinding and sharpening

Material
Cast Iron, Steel

Type
Bench Type

Capacity
Universal Tool Holding & Sharpening

Weight (kg)
50 kg

Computerized
No

Automatic
No

CNC Or Not
Not CNC

Control System
Manual

Table Size
460 x 110 mm

Table Slide Way
V & Flat

Magnetic Chuck Size
100 x 175 mm

Grinding Wheel Size
100 x 50 x 20 mm

Grinding Wheel Speed
5200 rpm

Grinding Length
L:135 mm

Floor Space
620 x 500 x 500 mm

Spindle Speed
5200 rpm

Power
0.37 kW

Voltage
220V / 50Hz

Dimension (L*W*H)
620 x 500 x 500 mm

Feature
Multi-purpose, Precise, Durable

Color
Grey & Red

About PENTAGON Universal Cutter Grinder model AR-U2

PENTAGON Universal Cutter Grinder model AR-U2

Minimum Order Quantity: 1 Set

Parts Available: Yes

After Sale Services: Yes

Features

1. For grinding HSS and Carbide engraving cutter as well as single lip or multiple lip cutters of various shapes such as radius cutter or negative taper angle of cutters

2. AR-U2 is allowed for grinding End Mills, Twist drill, lathe tools, only replace the attachment to the index head without any complex setup

Technical Specification

1. Max. Grinding Dia.	18 mm
2. Spindle Speed	5200 RPM
3. Grinding wheel Dia.	1005020
4. Degree Relief angle	0 to 45 degree
5. Negative Taper Angle	0 to 25 degree
6. Taper Angle	0 to 180 degree
7. Power	220V, 50HZ, Single phase
8. Dimension	554649cm
9. Standard Collet	1/8, 4, 6
10. Motor	1/3HP 220V 50/60HZ
11. Weight	65 Kg

Std Accessories Supplied with

1. Collets: Dia. 4, 6, 8

2. High Speed Cutter Grinding Wheel

3. Twist Drill Grinding Attachment

4. End Mill Grinding Attachment

5. Lathe Tools Grinding Attachment

Opt Accessories

1. Other Size Collets : Dia. 3,5, 9, 10, 12, 14, 16, 18, (Rs 1200)

Universal Grinding Capability

The AR-U2 model supports a diverse array of tool sharpening needs, accommodating end mills, drill bits, lathe tools, and specialized cutters. Its 360 head rotation and adjustable relief angles enhance versatility, making it the perfect fit for small workshops, repair shops, and professional tool rooms requiring universal and precise sharpening applications.

Robust Design and Precision Engineering

Built from high-grade cast iron and steel components, the AR-U2s construction ensures stable operation and long-lasting durability. Its hardened steel main shaft and precision V & flat table slide ways deliver accurate grinding results, while the machines 5200 rpm spindle speed supports efficient and fine finishes.

Comprehensive Accessories for All-in-One Use

The grinder comes complete with essential accessories including a diamond grinding wheel, ER collet chuck, center finder, wheel dresser, and wrench. This all-in-one equipment package enables immediate setup and broad functionality, minimizing downtime and ensuring users can work with multiple tool sizes seamlessly.

FAQs of PENTAGON Universal Cutter Grinder model AR-U2:

Q: How do I use the AR-U2 Universal Cutter Grinder for sharpening tools?

A: To use the AR-U2, securely mount your tool using the standard or ER collet chuck, set the appropriate relief angle (between 0 and 15), and adjust the cross slide and vertical movement to position the cutting edge. Power on the machine and engage the 5200 rpm grinding wheel to begin precise tool sharpening. Always follow safety and alignment procedures as outlined in the user manual.

Q: What types of tools can the AR-U2 sharpen?

A: The AR-U2 is designed for sharpening a wide range of cutting tools, including end mills, drill bits, lathe tools, and various specialized cutters. Its universal holding capacity and multiple collet sizes (3 mm to 16 mm) offer exceptional versatility for diverse workshop applications.

Q: What are the benefits of using the AR-U2 model for tool grinding?

A: Using the AR-U2 provides several advantages, including precise grinding accuracy, support for various tool geometries, and robust build quality. Its manual, non-computerized nature allows for user control and flexibility, while comprehensive accessories enable efficient workflows and reduced tool maintenance costs.

Q: Which accessories are included with the AR-U2 grinder?

A: The AR-U2 comes equipped with a diamond grinding wheel, an ER collet chuck, a center finder, a wheel dresser, and a wrench. These accessories support immediate and effective sharpening operations, accommodating multiple tool types and sizes.

Q: When should I consider using the AR-U2 over other grinders?

A: The AR-U2 is ideal when you require a flexible, manually operated machine for precise sharpening of a variety of cutting tools, especially in repair shops, manufacturing settings, or tool rooms. Its adaptability for different toolholders and sizes makes it suitable for professionals who need a dependable, multi-purpose grinder.

Q: What is the setup process for changing tool collets in the AR-U2?

A: To change tool collets, first ensure the machine is powered off. Use the included wrench to release the current collet from the chuck, insert the desired collet (compatible with sizes 3 mm16 mm), and tighten securely. This straightforward process allows users to switch quickly between tool sizes and types.

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