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AIR CHUCKS
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Big Mouth II Air Chuck Features
Self-contained pneumatic power chucks with big through hole
- Built-in cylinder, no drawtube to reduce lathe spindle bore.
- Big unobstructed through-hole
- Adjustable grip force
- Sizes 8” to 40”, through-holes to 22”
- “Easy-Mount design”, all models
- Fully assemble on bench and bolt directly to adapter plate
- No cumbersome chuck assembly on lathe spindle
- New – maintenance free non-return valve
- Safer – allows pressure testing entire chuck including valves
- New – Longer life Quad-ring seals on all dynamic surfaces
- Full custom packages installed on your lathe by ATS world class Service Technicians
- Two year warranty with ATS installation
- Support by local ATS Service Technician through the life span of the chuck.
Cut downtime to the bare minimum with Big Mouth II air chucks from ATS Systems. The Big Mouth II system drastically reduces the time between workpieces, making chuck operation unbelievably easy.
Typically uses for a Pneumatic chuck are Pipe threading, large-diameter parts, utilizing the entire spindle bore diameter or in cases when a cylinder may not have a large enough thru-hole.
| Chuck Model | BP-200-52 | BP-265-80 | BP-315-105 | BP-480-185 | BP-500-230 | BP-640-275 | BP-800-375 | |
|---|---|---|---|---|---|---|---|---|
| Nominal Size | 8” | 10” | 13” | 19” | 22” | 25” | 31” | |
| Through Hole | 2.05 | 3.15 | 4.13 | 7.28 | 9.06 | 10.83 | 14.76 | |
| Face Diameter | 8.1 | 10.4 | 13.2 | 18.9 | 22.4 | 25.2 | 31.5 | |
| Rear Diameter | 11.8 | 14.6 | 14.6 | 20.9 | 22.4 | 27.0 | 33.5 | |
| Length | 5.3 | 5.8 | 6.2 | 8.8 | 8.8 | 10.3 | 12.0 | |
| Jaw Stroke/Jaw | In. | .165 | .197 | .197 | .334 | .334 | .394 | .472 |
| Jaw Serration | 1/16 x 90 | 1/16 x 90 | 1/16 x 90 | 3/32 x 90 | 3/32 x 90 | 3/32 x 90 | 3/32 x 90 | |
| Maximum Speed | RPM | 2800 | 2200 | 2200 | 1500 | 1300 | 1000 | 750 |
| Max. Operating Pressure | PSI | 120 | 120 | 120 | 120 | 120 | 120 | 120 |
| Grip Force @ 90 PSI | Lbs. Total | 13950 | 21400 | 19300 | 41860 | 44187 | 61600 | 61600 |
| Chuck Model | BT 4.1 ES | BT 7.3 ES | BT 10.8 ES | BT 12.8 ES | BT 14.8 ES | |
|---|---|---|---|---|---|---|
| Through Hole | In. | 4.13 | 7.28 | 10.82 | 12.80 | 14.76 |
| Chuck Length | In. | 7.9 | 11.1 | 11.1 | 12.1 | 12.10 |
| Jaw Stroke/Jaw | In. | 0.6 | 1.0 | 1.0 | 1.0 | 1.0 |
| Jaw Serration | 1/16 x 90 | 3/32 x 90 | 3/32 x 90 | 3/32 x 90 | 3/32 x 90 | |
| Swing Clearance | In. | 14.9 | 21.7 | 26.7 | 29.4 | 31.4 |
| Maximum Speed | RPM | 2000 | 1300 | 1100 | 900 | 750 |
| Normal Operating Pressure Range | PSI | 60-90 | 60-90 | 60-90 | 60-90 | 60-90 |
| Max. Operating Pressure | PSI | 120 | 120 | 120 | 120 | 120 |
| Weight | Lbs. | 220 | 500 | 700 | 1200 | 1300 |
AIR CHUCKS FOR HEAVY EQUIPMENT
For tubular applications, we recommend our BT series of air chucks. Our BP series is made for general chucking needs as it’s capable of OD & ID chucking where the BT series is for OD clamping applications only.
All models of Big Mouth II Air Chucks are engineered for easy installation, and all of our models use our Easy Mount design. The chuck can be fully assembled on a workbench and bolted directly to an adapter plate. No worries about assembling on the lathe spindle.