Pentagon Internal & External Tool Post Grinder Machine – 1 HP Model 1 HP
This internal and external tool post grinder machine provides precise cylindrical grinding for workshop tooling and inserts. The 1 HP motor drives a three-phase system at 340V and 2800 RPM for stable operation. • 1 HP power rating with 3-phase configuration • 340V / 50Hz voltage compatibility • Horizontal setup with 59.5 mm bushing diameter • Accommodates 8 inch grinding wheels
Specifications
For: Model 1 HP- Product Type
- Internal & External Tool Post Grinder Machine
- Motor Power
- 1 HP
- Phase
- 3 Phase
- R.P.M
- 2800
- Wheel Size
- 8" × 3/4" × 3/4"
- Voltage
- 340V / 50Hz
- Weight
- 12 Kg
- Bushing Diameter
- 59.5 mm
- Mounting Type
- Horizontal
- Grinding Wheel
- 10x1x0.75 (2.75) inch
Common Buyer Questions
Q: Can this grinder handle both internal and external operations simultaneously? A: No, it switches between internal and external grinding based on tool post setup. Q: Is the 1 HP motor suitable for continuous industrial use? A: Yes, the 1 HP motor is rated for continuous duty in standard machine shops. Q: What safety features are included for operator protection? A: The unit includes a transparent guard, emergency stop, and grounded housing.
Operational Efficiency & Build Quality
- Compact footprint allows easy integration into existing workstations
- Heavy-duty cast iron base minimizes chatter during heavy cuts
- Quick-change tool holder design reduces setup time between jobs
- Sealed bearings protect against coolant ingress and metal dust
- Simple control layout enables operators to achieve consistent results
Industrial Applications & Use Cases
- Ideal for tool and die shops requiring precise edge sharpening
- Supports maintenance teams in repairing worn cutting inserts
- Suitable for aerospace component finishing and hard material grinding
- Used in automotive manufacturing for fixture and jig restoration
- Enables rapid turnaround for custom machining tool preparation
Power & Electrical Configuration
- Driven by a reliable 1 HP motor for steady cutting performance
- Designed for 3 Phase power supply to handle continuous shop loads
- Operates efficiently at 2800 RPM for optimal wheel velocity
- Compatible with standard 340V / 50Hz industrial power grids
- Low vibration design ensures smooth operation during extended runs
Precision Grinding Capabilities
- Handles both internal and external tool post grinding operations
- Delivers consistent surface finishes for hardened steel and carbide
- Equipped with a robust horizontal mounting system for stability
- Supports standard grinding wheels for versatile machining tasks
- Optimized spindle speed for accurate material removal rates
More questions buyers ask
What is a tool post grinder used for?
A tool post grinder is used for precision internal and external grinding operations on a lathe machine, ideal for sharpening tools and finishing components.
Can this grinder handle both internal and external operations?
Yes, this Pentagon model is designed for both internal and external grinding by adjusting the tool post setup.
Is the 1 HP motor suitable for continuous industrial use?
Yes, the 1 HP motor is rated for continuous duty in standard machine shops and industrial environments.
What power supply is required for this machine?
This model operates on a 3-phase, 340V / 50Hz industrial power supply.
What are the key safety features included?
The unit includes a transparent guard, emergency stop, and grounded housing for operator protection.
What is the RPM of this tool post grinder?
It operates at 2800 RPM, providing optimal wheel velocity for material removal.
What material is the base made of?
The grinder features a heavy-duty cast iron base to minimize chatter and ensure stability during heavy cuts.
Does it come with a warranty?
Yes, all Pentagon machines come with a standard manufacturer warranty. Please check the specific invoice details.
Is pan-India delivery available?
Yes, we offer secure, pan-India delivery for all industrial machinery.
Can I get a GST invoice for this purchase?
Yes, all our B2B orders include a valid GST invoice for tax credit purposes.
Who should choose the 1 HP Pentagon Tool Post Grinder?
This model is perfect for tool and die shops, automotive workshops, and aerospace component manufacturers needing high-precision grinding.
How does this compare to smaller grinders?
The 1 HP motor provides significantly more torque and continuous-duty capability compared to smaller 0.5 HP hobbyist models.
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Full description
This internal and external tool post grinder machine provides precise cylindrical grinding for workshop tooling and inserts. The 1 HP motor drives a three-phase system at 340V and 2800 RPM for stable operation. • 1 HP power rating with 3-phase configuration • 340V / 50Hz voltage compatibility • Horizontal setup with 59.5 mm bushing diameter • Accommodates 8 inch grinding wheels



