The KRGU Grinding Work Rests Series with retractable body is designed to accommodate the maximum eccentric throw and journal diameter of crank shafts.
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The KRGU Grinding Steady Rests Series with retactable body is designed to accomodate the maximum eccentric throw and journal diameter of crank shafts.
STANDARD FEATURES
- Retractable body using guide ways
- Suitable for all crank shaft, cam shaft and cylindrical grinding applications where high eccentric load is a requirement
- High accuracy, with three-point finely adjustable centering capability
- Modular regrindable Carbide or relappable PCD work rest pads
(Click image for larger view)
| Steady Rest Type | KRGHS790 | KRGU1517 | KRGU4510 | KRGHS9585 | KRGU502 | KRGU580 | KRGU1019 | |
| Standard Features: • Safety Valve • Provision for max. opening feedback • 1 set swarf guard 3-piece • Provision for compressed air connection • Provision for centralized lubrication | A | 420 | 518.5 | 465 | 590.5 | 508.5 | 565.5 | 502 |
| B | 323 | 423 | 358 | 444 | 405 | 462 | 355.5 | |
| C | 190 | 230 | 165 | 254 | 236 | 293 | 162 | |
| D | 90 | 135 | 135 | 142 | 125 | 125 | 135 | |
| E1 | 202 | 262 | 262 | 350 | 337 | 234 | 262 | |
| E2 | 202 | 262 | 262 | 320 | 337 | 234 | 262 | |
| F | 234 | 290 | 290 | 400 | 363 | 260 | 290 | |
| G | 55 | 64 | 57 | 64 | 62 | 62 | 64 | |
| I | 62 | 68 | 68 | 72 | 68 | 68 | 72 | |
| J | 25 | 33 | 33 | 25 | 33 | 33 | 25 | |
| K | 10 | 16 | 10 | 21 | 10 | 12 | 24 | |
| N | 53 | 105 | 119 | 95 | – | 105 | 95 | |
| P | 158.4 | 206.4 | 141.5 | 194.5 | 206.8 | 268.4 | 133.4 | |
| Q | 96 | 141 | 148 | 130 | 141 | 141 | 130 | |
| S | M12 X 1.75 | 14 | 18 | 18 | 22/14 | 20/14 | 18 | |
| U1 | 70 | 150 | 45 | 95 | 50 | 50 | 100 | |
| Clamping Ranges | U2 | 90 | 170 | 105 | 185 | 102 | 80 | 190 |
| Max. axial opening | U | 98 | 181 | 125 | 210 | 109 | 106.5 | 226 |
| Eccentric throw ( R value ) | R | 120 | 122 | 125 | 286 | 205 | 205 | 175 |
| Cylinder bore. | d | 40 | 50 | 50 | 60 | 50 | 50 | 60 |
| Hyd. Connection (BSP) | e | 1/4” | 1/4” | 1/4” | 1/4” | 1/4” | 1/4” | 1/4” |
| Standard operating pressure | bar | 4-15 | 6-30 | 6-30 | 12-45 | 6-30 | 6-30 | 12-45 |
| Max. operating pressure | bar | 20 | 35 | 35 | 60 | 35 | 35 | 60 |
| Max. clamp force/pad. | daN | 60 | 196 | 196 | 425 | 196 | 196 | 425 |
| Centering accuracy over the whole clamping range. | mm | 0.005 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Repeatality | mm | 0.002 | 0.004 | 0.004 | 0.004 | 0.002 | 0.004 | 0.004 |
