PDD Series 4″ – 15″ Chucks
- 3 jaw draw down chuck for machining work requiring squareness and parallelism
- High accuracy
- Maintains high grip forces
- Adapter mount for A type spindles, other mounts available
Products
Atlas Draw Down Power Chucks
| Gripping Capacity | ||||||||
|---|---|---|---|---|---|---|---|---|
| Model No. | Jaw Stroke Dia. | Sleeve Stroke | Max. | Min. | Draw Bar Pull lb/f | GripForce lb/f | Max RPM | Wt. lbs |
| PDD4 | .197" | .276" | 1.97" | .591" | 1300 | 3300 | 3500 | 10 |
| PDD5 | .197" | .276" | 2.56" | .591" | 2200 | 4400 | 3500 | 16 |
| PDD6-A4 | .285" | .394" | 3.35" | 1.378" | 3300 | 5500 | 3500 | 30 |
| PDD6-A5 | .285" | .394" | 3.35" | 1.378" | 3300 | 5500 | 3500 | 30 |
| PDD6-A6 | .285" | .394" | 3.35" | 1.378" | 3300 | 5500 | 3500 | 30 |
| PDD8-A5 | .283" | .394" | 7.87" | 1.575" | 5500 | 9900 | 3000 | 60 |
| PDD8-A6 | .283" | .394" | 7.87" | 1.575" | 5500 | 9900 | 3000 | 60 |
| PDD10-A6 | .425" | .591" | 9.84" | 1.969" | 7700 | 13200 | 2500 | 101 |
| PDD10-A8 | .425" | .591" | 9.84 | 1.969" | 7700 | 13200 | 2500 | 101 |
| PDD12-A8 | .425" | .591" | 11.81" | 1.969" | 9900 | 16550 | 2000 | 150 |
| PDD12-A11 | .425" | .591" | 11.81" | 1.969" | 9900 | 16550 | 2000 | 150 |
| PDD15-A8 | .573" | .787" | 14.96" | 2.362" | 12100 | 19850 | 1500 | 243 |
| PDD15-A11 | .573" | .787" | 14.96" | 2.362" | 12100 | 19850 | 1500 | 243 |
| Dimensional Data (in inch) | |||||||
|---|---|---|---|---|---|---|---|
| MODEL | PD-4 | PD-5 | PD-6 | PD-8 | PD-10 | PD-12 | PD-15 |
| A | 4.33 | 5.12 | 6.5 | 8.25 | 10 | 12 | 15 |
| B | 2.36 | 2.76 | 3.35 | 3.74 | 4.33 | 4.92 | 5.52 |
| C | 2.362 | 3.15 | 5.512 | 7.48 | 9.055 | 9.055 | 11.81 |
| F | 0.197 | 0.197 | 0.197 | 0.197 | 0.197 | 0.197 | 0.315 |
| H | 3.15 | 3.937 | 4.125 | 5.25 | 6.75 | 6.75 | 9.055 |
| J | 0.984 | 1.103 | 1.26 | 1.496 | 1.969 | 2.047 | 2.362 |
| K | 3-M8 | 3-M8 | 6-M10 | 6-M12 | 6-M16 | 6-M16 | 6-M20 |
| L | 0.511 | 0.511 | 0.63 | 0.906 | 0.866 | 1.063 | 1.181 |
| M | - | - | 0.787 | 0.984 | 1.181 | 1.378 | 1.772 |
| N max. | 1.657 | 1.732 | 2.283 | 2.795 | 3.346 | 4.016 | 5.261 |
| N min | 1.358 | 1.634 | 2.142 | 2.654 | 3.134 | 3.803 | 4.975 |
| O | 0.984 | 1.181 | 1.378 | 1.272 | 2.165 | 2.756 | 3.74 |
| P max. | 0.748 | 0.748 | 1.299 | 1.496 | 1.85 | 1.85 | 2.795 |
| P min | 0.472 | 0.472 | 0.906 | 1.102 | 1.206 | 1.206 | 2.008 |
| Q | 0.984 | 1.181 | 1.378 | 1.575 | 1.967 | 2.362 | 2.756 |
| R | - | - | - | 1.024 | 1.26 | 1.417 | 1.575 |
| S | 0.787 | 0.984 | 1.417 | 1.417 | 1.811 | 1.989 | 1.989 |
| T | M10x1.5 | M12x1.75 | M16x2.0 | M20x2.5 | M20x3.0 | M20x3.0 | M30x3.5 |
| U max. | 0.413 | 0.413 | 0.551 | 0.551 | 0.748 | 0.748 | 1.024 |
| min | 0.138 | 0.138 | 0.155 | 0.155 | 0.155 | 0.155 | 0.236 |
| V | 1.102 | 1.181 | 1.378 | 1.654 | 2.047 | 2.165 | 3.543 |