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 a precision machine tool mounted on a lathe to perform internal and external grinding operations on workpieces.
Can the Pentagon 1 HP grinder be used for both internal and external grinding?
Yes, this model is designed for versatile internal and external grinding applications by changing the spindle setup.
What power supply does this machine require?
The Pentagon 1 HP Tool Post Grinder operates on a 3-phase 340V / 50Hz industrial power supply.
What is the motor power of this grinder?
This model features a robust 1 HP motor suitable for continuous industrial duty.
What is the RPM of the Pentagon 1 HP Tool Post Grinder?
It operates at a constant speed of 2800 RPM for optimal grinding efficiency.
Is this machine suitable for hardened steel?
Yes, it is designed to deliver consistent surface finishes on hardened steel and carbide materials.
What are the key safety features?
The unit includes a protective guard, emergency stop functionality, and a grounded housing for operator safety.
Does it come with a warranty?
Yes, Pentagon provides standard manufacturer warranty and after-sales service support.
Is pan-India delivery available?
Yes, we offer secure, pan-India delivery for all industrial machinery orders.
Do you provide a GST invoice?
Yes, all purchases include a valid GST invoice for business accounting purposes.
What is the weight of the machine?
The machine weighs approximately 12 Kg, making it compact and easy to mount on a lathe.
What size grinding wheel does it use?
It supports standard grinding wheels, typically 8 inch x 3/4 inch x 3/4 inch.
Who should choose the Pentagon 1 HP Tool Post Grinder?
This model is ideal for tool and die shops, maintenance teams, and small-to-medium machine workshops requiring high-precision grinding.
How does the 1 HP model compare to higher power variants?
The 1 HP model is optimized for precision work on smaller lathes, whereas higher power variants are better suited for heavy-duty material removal on larger workpieces.
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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