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Description
Chucks are designed for clamping workpieces machined on lathes of “B” accuracy class in producing multiple units.
A motorized drive mounted on a back spindle terminus of a machine starts a chuck.
Adjustment of a required clamping diameter is performed by remounting of hardened top jaws to base jaws riffling, in this case required chuck accuracy remains. A chuck is available with grease lubricators for lubricating working surfaces of a chuck. The advantage of a chuck is that it has a large through-hole which allows machining workpieces by passing them through the machine spindle with a large internal diameter. Chucks are interchangeable with the chucks produced by leading European manufacturers (SMW-AutoBlok, Schunk, etc ) and Asian manufacturers (KITAGAWA, AUTO Strong, etc.).
Standard equipment:
Ordering example: a power hollow chuck, outer diameter 210 мм, through-hole 52 mm with adapting flange (mounting type A6) and jaws serration pitch 1/16’’х 90°: PPM-210.52D/А6.
A set of hardened jaws is available at an additional cost.
| Model | / | Chuck diameter, mm | Through-hole, mm | Plunger stroke, mm | Jaw stroke, mm | Clamping surface diameters*, mm | Max draw pull transmitted by a drive, kN | Max gripping force of top jaws, kN | Admissible rotating speed of a chuck, min-1 | Weight*, not more than, kg |
| PPM-210.66 | / | 210 | 66 | 17 | 4,5 | 25-235 | 38 | 100 | 5000 | 21 |
| PPM-250.78 | / | 250 | 78 | 21 | 5,5 | 25-275 | 50 | 120 | 4000 | 31,5 |
| PPM-315.122 | / | 315 | 122 | 21 | 5,5 | 75-350 | 50 | 120 | 3200 | 44,5 |
| Parameter name | PPM-210.66Д | PPM-250.78Д | PPM-315.122Д | |||||||
| PPM-210.66М | PPM-250.78М | PPM-315.122М | ||||||||
| Mounting type* | D170 | A6 | D220 | A6 | A8 | D300 | A8 | A11 | ||
| A | mm | 210 | 250 | 315 | ||||||
| D | mm | 170 | 106,38 | 220 | 106,38 | 139,72 | 300 | 139,72 | 196,87 | |
| l | mm | 5 | - | 5 | - | - | 5 | - | - | |
| D0 | mm | 66 | 78 | 122 | ||||||
| C | mm | 133,4 | 171,4 | - | 171,4 | 235 | - | 235 | ||
| CA | mm | - | - | - | 133,4 | - | - | 171,4 | - | |
| d | mm | 13 | 17 | 13 | 17 | 17 | 21 | |||
| H | mm | 92 | 105 | 111 | ||||||
| HA | mm | - | 104 | - | 124 | 119 | - | 136 | 127 | |
| E | mm | 58,5 | 71,5 | 75 | ||||||
| M* | mm | М72х1,5 | M85х2 | М125х2 | ||||||
| On request it is possible to produce a different thread size. | ||||||||||
| Q | mm | 78 | 92 | 143 | ||||||
| z* | D | inch | 1/16’’х90° | 1/16’’х90° | 1/16’’х90° | |||||
| М | mm | 1,5х60° | 1,5х60° | 1,5х60° | ||||||
| g | mm | 19 | 20 | 23 | ||||||
| K | mm | 17 | 21 | 21 | ||||||
| B | mm | 40 | 45 | 45 | ||||||
| b | D | mm | 17 | 21 | 21 | |||||
| М | mm | 14 | 16 | 21 | ||||||
| m | D | mm | М12 | М16 | М16 | |||||
| M | mm | М12 | М12 | М16 | ||||||
| i | mm | 3 | 4 | 4 | ||||||
| j | mm | 4 | 4,5 | 4,5 | ||||||
| S | D | mm | 23 | 30 | 34 | |||||
| М | mm | 25 | ||||||||
| r | mm | M8 | M10 | M10 | ||||||
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