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| *Eccentric adjustment of chuck on mounting plate to obtain required TIR on the workpiece may result in unacceptable vibration at these speeds. Reduce RPMs accordingly. Jaws must be fully engaged in the chuck body. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dimensional Information | ||||||||||||
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| Jaws shown in O.D. position | ||||||||||||
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Dimensional Data for Series 253 & 263 Adapter Mounting
Self-Centering Chucks
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| Chuck Size | Gripping Capacity | |||||||||||
| A | B* | C | D | E | F | G1 | G2 | H | K | Min.** | Max. | |
| 5" | 5.00" | 2.375"¨ | 1.30" | 2.84" | .66" | 4.44" | - | 5.00" | 1/4" | 1/16" | 4" | |
| 6" | 6.31" | 3.125" | 1.81" | 2.88" | 1.59" | 0.69" | 5.34" | - | 7.31" | 1/4" | 3/16" | 5" |
| 8" | 8.25" | 4.750" | 2.25" | 3.25" | 1.75" | 0.75" | 7.50" | - | 9.25" | 3/8" | 3/16" | 6-1⁄2" |
| 10" | 9.85" | 6.375" | 3.00" | 3.63" | 2.13" | 0.81" | - | 4.38" | 11.00" | 7/16" | 3/16" | 8" |
| 12" | 12.20" | 7.906" | 4.06" | 4.00" | 2.28" | 0.84" | - | 5.25" | 14.00" | 1/2" | 3/4" | 10" |
| 15" | 15.74" | 11.7812" | 4.56" | 5.13" | 3.16" | 1.13" | - | 6.75" | 17.00" | 5/8" | 1-1⁄2" | 13" |
| 18" | 18.00" | 11.781" | 5.04" | 5.781" | 3.27" | 1.125" | - | 6.75" | 19.00" | 5/8" | 1-1⁄2" | 16" |
| 24" | 24.00" | 16.030" | 7.025" | 6.530" | 3.27" | 1.188" | - | 9.25" | 25.00" | 3/4" | 2" | 22" |
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*Tolerance - .000/+.001 **6-Jaw Chuck minimum grip, consult
factory Recess can be opened up to 2.745" - 2.755"
® Ajust-Tru is a registered trade mark of Illinois Tool Works. |
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Mounting Plates For “SETRITE”® 3 Jaw and 6 Jaw - 253 & 263
Series Chucks
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PBA offers a full line of Mounting Plates type "D", "A", "L" and
threaded plates for the "SETRITE"® Chucks. PBA Mounting Plates
are interchangeable with other popular adjustable universal
style Chucks.
Mounting plates are precision machined to suit the spindle nose of your machine. For maximum accuracy of "SETRITE"® mounting plates, mount plate on machine spindle nose, place a dial indicator on the chuck side face of the adapter close to the mounting holes, rotate the adapter and if the total indicator reading (TIR) exceeds .0005" take a light truing cut across the face of the mounting plate. |
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Type D Mounting Plates "Camlock"
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| Spindle | 6" | 8" | 10" | 12" | 15" | 18" | 24" |
| D-3 | 0605020 | 0805020 | - | - | - | - | - |
| D-4 | 0605021 | 0805021 | 1005021 | - | - | - | - |
| D-5 | 0605022 | 0805022 | 1005022 | - | - | - | - |
| D-6 | - | 0805023 | 1005023 | 1205023 | 1505023 | - | - |
| D-8 | - | - | 1005024 | 1205024 | 1505024 | 1805024 | 2405024 |
| D-11 | - | - | - | 1205025 | 1505025 | 1805025 | 2405025 |
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Type A American Standard Short Taper A-1 & A-2, Spindles
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| Spindle | 6" | 8" | 10" | 12" | 15" | 18" | 24" |
| A-4 | 0605009 | - | - | - | - | - | - |
| A-5 | 0605010 | 0805010 | 1005010 | - | - | - | - |
| A-6 | - | 0805011 | 1005011 | 1205011 | - | - | - |
| A-8 | - | - | 1005012 | 1205012 | 1505012 | 1805012 | - |
| A-11 | - | - | - | - | 1505013 | 1805013 | 2405013 |
| A-15 | - | - | - | - | - | - | 2405014 |
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Type L American Standard Long Taper Key Drive Spindle
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| Spindle | 6" | 8" | 10" | 12" | 15" | 18" | 24" |
| L-00 | 0605031 | 0805031 | 1005031 | - | - | - | - |
| L-0 | 0605032 | 0805032 | 1005032 | 1205032 | - | - | - |
| L-1 | - | 0805033 | 1005033 | 1205033 | 1505033 | 1805033 | 2405033 |
| L-2 | - | - | 1005034 | 1205034 | 1505034 | 1805034 | 2405034 |
| L-3 | - | - | - | - | 1505035 | 1805035 | 2405035 |
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For Hardinge® and Elgin Lathe
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| Spindle | 5" | 6" | |||||
| 4° Taper | 0505044 | 0605044 | |||||
| 2-3⁄16"-10 Threaded | 0505045 | 0605045 | |||||
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Also available, plates for rotary tables
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Threaded & Blank Mountings for SETRITE™ Chucks
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| Spindle | 5" | 6" | 8" | 10" | 12" | ||
| Blank | 0505040 | 0605040 | 0805040 | 1005040 | 1205040 | ||
| 1-1⁄2"-8 | 0505041 | 0605041 | 0805041 | - | - | ||
| 1-3⁄4"-8 | 0505042 | 0605042 | 0805042 | - | - | ||
| 2-1⁄4"-8 | 0505043 | 0605043 | 0805043 | - | - | ||
| 2-3⁄8"-6 | - | 0605046 | 0805046 | - | - | ||
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*Threaded adapter plates and special plates are available upon
request.
"SETRITE" chucks and adapters are shipped unassembled unless ordered assembled at extra charge. When ordering special adapters give make, model number, size, and spindle dimensions of machine. |
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