Universal Milling Dividing Head/Indexing head Set Model F11-80
1. The universal dividing head, Type F11100A,F11160A is one of the most important attachment for milling machine.2. With the help of this dividing head the workpiece held between centers, or on a chuck can be rotate to any angle as desired and the periphery of a workpiece can be divided into any divisions of equal parts.
Specifications
For: Model F11-80- Model
- F11-80
- Center Height
- 80 mm
- Swivelangle of spindle from horizontal to upward
- ≤90°
- Horizontal position(downward)
- ≤6°
- Rotating angle of spindle for one domplete revolution dividing handle
- 9'(540grad: 1 each)
- Min. reading of vernier
- 10°
- Worm gear ratio
- 1:40
- Taper of spindle bore
- MT3
- Diameter of short taper of spindle nose for mounting flange
- Ф36.54
- Width of locating key
- 14 mm
- Numbers of hole in dividing plate 1st plate
- 24.25.28.30.34.37.38.39.41.42.43
- Numbers of hole in dividing plate 2st plate
- 46.47.49.51.53.54.57.58.59.62.66
- Change gear Module
- 1.5
- Change gear Teeth Numbers
- 25.30.35.40.50.55.30.70.80.90.100
- Individual indexing error of the spindle for one complete revolution of diving handle
- ±45°
- Cumulate error at any 1-4 periphery of spindle
- ±1°
- Max. bearing
- 80 Kg
- Net weight
- 36 Kg
- Gross weight
- 45 Kg
- Overall dimensions
- 542x403x220 mm
Configurations
Click a row to switch| Variant | Center Height | Taper of spindle bore | Change gear Module | Width of locating key | Price |
|---|---|---|---|---|---|
| Model F11-80 | 80 mm | MT3 | 1.5 | 14 mm | ₹57,600 |
| Model F11-250A | 250 mm | MT4 | 2 | 18 mm | ₹1,84,000 |
| Model F11-200A | 200 mm | MT4 | 2 | 18 mm | ₹1,48,800 |
| Model F11-125A | 125 mm | MT4 | 2 | 18 mm | ₹75,200 |
| Model F11-160A | 160 mm | MT4 | 2 | 18 mm | ₹86,400 |
| Model F11-100A | 100 mm | MT3 | 1.5 | 14 mm | ₹60,800 |
Comprehensive Accessory Set
- Includes change gears with module 1.5 for complex differential indexing tasks
- Gear set features teeth numbers ranging from 25 to 100 for wide versatility
- Comes with two dividing plates offering multiple hole circle options for flexibility
- Designed as a complete set to support immediate operational readiness
- Accessories are calibrated to match the main unit for seamless performance
- Ideal for both simple angular divisions and intricate multi-axis machining needs
Robust Construction & Design
- Built with durable materials to withstand continuous industrial machining environments
- Compact overall dimensions of 542x403x220 mm for efficient workshop integration
- Designed for easy mounting on milling machines, grinders, and drilling equipment
- Engineered to maintain stability under load during precision cutting operations
- Features a robust base structure to minimize vibration during high-speed indexing
- Optimized weight distribution ensures safe handling and secure installation
Versatile Spindle Configuration
- Provides adjustable spindle angles from horizontal upward up to ≤90°
- Allows downward horizontal positioning with an angle of ≤6° for flexible setups
- Equipped with MT3 taper spindle bore for secure and standardized tool mounting
- Includes a short taper spindle nose diameter of Ф36.54 mm for flange compatibility
- Features a 14 mm locating key width to ensure stable torque transmission
- Supports workpieces with a maximum bearing capacity of 80 kg for heavy-duty tasks
Precision Indexing Capabilities
- Achieves high-accuracy division with a 1:40 worm gear ratio for consistent results
- Supports individual indexing errors within ±45° per complete handle revolution
- Ensures cumulative error remains within ±1° across any 1-4 peripheral positions
- Features a vernier scale with a minimum reading of 10 degrees for precise alignment
- Offers versatile dividing plates with hole counts ranging from 24 to 66 holes
- Enables fine adjustments with a rotating angle of 9' (540 grad) per handle turn
More questions buyers ask
What is a universal dividing head used for?
A universal dividing head is a specialized machine tool accessory used on milling machines to divide workpieces into equal parts or specific angles, essential for gear cutting, splines, and complex indexing.
What does the Pentagon F11 set include?
The F11 set typically includes the main indexing head, a set of change gears (module 1.5 or 2), and two dividing plates with multiple hole circles for versatile indexing.
What is the gear ratio of the Pentagon F11 indexing head?
The Pentagon F11 series features a standard 1:40 worm gear ratio, providing precise control for indexing operations.
Can the F11 indexing head be used for angular milling?
Yes, the spindle can be swiveled from horizontal to upward (up to 90° or 95° depending on model) and slightly downward, allowing for various angular milling setups.
What is the maximum bearing capacity of the F11-80 model?
The F11-80 model has a maximum bearing capacity of 80 kg, suitable for light-to-medium duty workpieces.
What spindle taper does the F11-80 use?
The F11-80 model is equipped with an MT3 spindle taper.
Are these indexing heads compatible with all milling machines?
They are designed for standard milling machines, but compatibility depends on the machine's table size, T-slot configuration, and the center height of the indexing head.
How do I choose the right center height?
Choose the center height based on the maximum diameter of the workpieces you intend to machine and the clearance available on your milling machine table.
Does Pentagon provide a warranty for these indexing heads?
Yes, Pentagon Machines provides a standard manufacturer warranty. Please check the specific terms at the time of purchase.
Is GST invoice provided with the purchase?
Yes, all purchases include a valid GST invoice for business accounting purposes.
Who should choose the F11-80 model?
The F11-80 is ideal for small workshops and tool rooms performing light-duty precision indexing on smaller workpieces.
Who should choose the F11-250A model?
The F11-250A is best for heavy-duty industrial applications requiring a large 250 mm center height and 130 kg bearing capacity.
Who should choose the F11-200A model?
The F11-200A is suitable for medium-to-large milling tasks where a 200 mm center height provides the necessary clearance and stability.
Who should choose the F11-125A model?
The F11-125A is a reliable choice for standard workshop milling operations needing consistent accuracy with a 125 mm center height.
Who should choose the F11-160A model?
The F11-160A offers a balanced 160 mm center height, perfect for users needing a versatile tool for diverse milling requirements.
Who should choose the F11-100A model?
The F11-100A is perfect for precision indexing in smaller milling setups and specialized tool room tasks requiring a 100 mm center height.
How does the F11-80 compare to the F11-250A?
The F11-80 is a compact 80 mm unit for light work, while the F11-250A is a heavy-duty 250 mm unit designed for larger, heavier workpieces.
What is the main difference between the F11-100A and F11-200A?
The main difference is the center height (100 mm vs 200 mm) and the resulting workpiece capacity, with the 200A offering significantly more clearance.
Are the dividing plates interchangeable between models?
While many plates share hole patterns, it is essential to verify compatibility with the specific model's spindle nose and gear module before attempting to interchange them.
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Full description
1. The universal dividing head, Type F11100A,F11160A is one of the most important attachment for milling machine.2. With the help of this dividing head the workpiece held between centers, or on a chuck can be rotate to any angle as desired and the periphery of a workpiece can be divided into any divisions of equal parts.