FAC Series Fully Automatic Indexing Chucks
FAC Series Fully Automatic Indexing Chucks
An integrated indexing chuck for automated loading and unloading, with a front-opening design and space-conscious installation.

Series Overview
An integrated indexing chuck for automated loading and unloading, with a front-opening design and space-conscious installation.
Key Features
- Integrated, space-saving construction
- Lightweight design
- Front-opening design
- Suitable for robot loading and unloading
- 8 × 45° / 6 × 60° automatic indexing
- Fully sealed construction
- Plug-in fixture interface
- Approximately 2-minute changeover
Typical Applications
Suitable for robot loading, larger workpiece areas and automated lines where front access helps reduce operator intervention. Confirm the fixture around the workpiece.
Dimensions & Technical Specifications
FAC-570A/C, FAC-650A/C, FAC-790A/C
The current reference image directory does not include a standalone FAC outline drawing. The complete HTML table below preserves the dimension data; confirm final dimensions against the project drawing and approved technical data.
Outline Dimensions
| Model | A (mm) | B (mm) | C (mm) | D (mm) | G (mm) | J (mm) | K (mm) | M (mm) | N (mm) |
|---|---|---|---|---|---|---|---|---|---|
| FAC-570A/C | 570 | 395 | 380 | 12 | 245 | 70 | 255 | 186.5 | 169.5 |
| FAC-650A/C | 650 | 435 | 380 | 12 | 285 | 70 | 295 | 226.5 | 209.5 |
| FAC-790A/C | 790 | 515 | 520 | 12 | 350 | 90 | 360 | 274.5 | 267.5 |
Technical Specifications
| Model | Workpiece area (mm²) | Max clamping (kN) | Stroke L (mm) | Max speed (rpm) | Spindle nose | Bore (mm) | Net kg |
|---|---|---|---|---|---|---|---|
| FAC-570A/C | 7143.5 | 35 | 39 | 1200 | A2-15 | 60 | 292 |
| FAC-650A/C | 7143.5 | 35 | 39 | 1000 | A2-15 | 60 | 395 |
| FAC-790A/C | 12010.5 | 60 | 55 | 800 | A2-20 | 60 | 618 |
Values are transcribed from the supplied KORRETTO reference sheet. Confirm final installation data before release.
Series Selection Notes
Check front-opening clearance, fixture interference, robot path, clamping force, stroke and the A2-15 / A2-20 spindle interfaces.
The chuck opening reference 2G should exceed the workpiece rotation envelope Q; also check tool, fixture and machine-space clearance.
KORRETTO Selection Tool
Indexing Chuck Selection Tool
Enter workpiece dimensions n, m and the maximum rotating envelope Q. Standard models are screened by 2G > Q, N - n ≥ 30 mm and M - m ≥ 30 mm. Q is the maximum envelope during rotation, not a one-side dimension.
KORRETTO Indexing Chuck Selection
Selection Process
Enter the three core dimensions to begin. This is a front-end selection display and does not call an external AI service.
Selection Results
Enter the three core dimensions to begin. This is a front-end selection display and does not call an external AI service.
Indexing Chuck FAQ
What is the FAC Series Fully Automatic Indexing Chucks used for?
Suitable for robot loading, larger workpiece areas and automated lines where front access helps reduce operator intervention. Confirm the fixture around the workpiece.
How should the FAC Series Fully Automatic Indexing Chucks model be selected?
Check front-opening clearance, fixture interference, robot path, clamping force, stroke and the A2-15 / A2-20 spindle interfaces.
Need a model and machine-interface check?
Send the workpiece drawing, spindle interface, clamping position, indexing angle and automation requirements.