Barber Colman 16-56 Gear Hobber
Barber Colman 16-56 Gear Hobber
Barber Colman 16-56 Gear Hobber, Mechanical Machine without extension
This Barber Colman long bed mechanical gear hobbing machine is a rare commodity because of it very long length of cut. It is suitable for making very long spline shafts or shaft parts with gears or splines at either end or in the center.
| Model | ||||
| Manufacturer | Barber Colman | |||
| Model | 16-56 | |||
| Serial Number | 4380 | |||
| Year of manufacture | 1971 | |||
| Mechanical Specifications | ||||
| Pitch rating(Ideal Conditions) | 6 | DP | 4.233333 | Mod |
| Maximum workpiece diameter | 16.000 | in | 406.4 | mm |
| Maximum facewidth | 13.000 | in | 330.2 | mm |
| Maximum radial center distance | 9.500 | in | 241.3 | mm |
| Minimum radial center distance | 1.250 | in | 31.75 | mm |
| Maximum axial travel | 15.000 | in | 381 | mm |
| Maximum distance table face to tail center | 80.000 | in | 2032 | mm |
| Maximum distance table face to C/L of hob | 59.500 | in | 1511.3 | mm |
| Minimum distance table face to C/L of hob | 3.500 | in | 88.9 | mm |
| Worktable diameter | 7.250 | in | 184.15 | mm |
| Workhead spindle bore | 4.188 | in | 106.3625 | mm |
| Index worm gear diameter | 12.700 | in | 322.58 | mm |
| Worktable Starts | 2 | Threads | ||
| Maximum hob diameter | 5.000 | in | 127 | mm |
| Maximum hob length | 5.000 | in | 127 | mm |
| Maximum hob shift travel | 3.500 | in | 88.9 | mm |
| Maximum number of teeth | 300 | Teeth | ||
| Minimum number of teeth | 5 | Teeth | ||
| Maximum swivel angle | -45 | deg | 45 | deg |
| Length | 129.250 | in | 3282.95 | mm |
| Width | 31.875 | in | 809.625 | mm |
| Height | 72.500 | in | 1841.5 | mm |
| Main Motor Power | 2 | HP | 1.5 | kW |
| Machine Weight | 9300 | lbs | 4218 | kg |
| Plant power | 480 | VAC | 60 | Hz |
| Features | ||||
| Air operated tail center | ||||
| Automatic hob shift | ||||
| Extended rear overarm with tailstock | ||||
| Double Thread Index Worm (Standard Accuracy) | ||||
| Controls | ||||
| Relay Logic | ||||
| Optional Machine Recertification Program | ||||
| All broken electrical wires and cables will be repaired | ||||
| All cycles will be tested and verified as fully functional | ||||
| All defective controls will be replaced or repaired | ||||
| All defective sensors will be replaced | ||||
| All features will be tested and verified as fully functional | ||||
| All filters will be changed | ||||
| All worn hoses will be replaced | ||||
| Coolant system checked for problems | ||||
| Coolant tank and chip collection system cleaned | ||||
| Hob head will be checked for problems | ||||
| Hydraulic system drained and cleaned | ||||
| Machine will be thoroughly cleaned | ||||
| Ways and gibs checked for problems | ||||
| Work table drive system checked for problems | ||||
| Machine Includes | ||||
| Integral coolant tank, no conveyor | ||||
| No hob arbor. (One can be quoted additionally) | ||||
| Assortment of change gears | ||||
| Two copies of the operations manuals | ||||
| Two copies of the maintenance documentation | ||||
| 30 Day return warranty on the machine | ||||
| The aforementioned description and listing of specifications and accessory equipment is correct and accurate to the best of our knowledge. However, it should not be considered binding in any regard, as we reserve the right to change and/or alter same without prior notice. Consequently the buyer is responsible for confirming same, upon physical inspection and inventory of the machine(s) and all related accessory equipment. https://mtbmarketplace.com/ |
| Condition | Pre-Owned - Used, but running when decommissioned |
|---|---|
| Type | Gear Hobber |
| Manufacturer | Barber Colman |
| Model | 16-56 Mechanical |
| SKU | 4028 |
| Serial Number | SN 3444 |
| Max Diameter Gear | 16' (406mm) |
| Max Diameter Pitch | 6.0DP (4.23 Mod) |
| Horizontal/Vertical | Horizontal |
| Dimensions | L 129.25 " (3282mm) x W 31.875" (809.6mm) x H 72.5" (1841.5mm) |
| Weight | 9300lbs (4218kg) |
