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The DeHoff 1536T is a gundrilling machine used to manufacture high-performance military helicopters. Several of the helicopter’s drivetrain components are gundrilled to produce hollow centers, which reduces mass while maintaining high rotational rigidity.
The 1536T has two gundrilling spindles with each spindle on an independent slide. An operator control panel is installed on both sides of the machine, enabling each gundrilling spindle to be independently controlled. This provides the end user with the flexibility to run two different parts simultaneously.
The machine has a 1.5 inch (38 mm) diameter gundrilling capacity and a 36 inch (914 mm) slide travel. It features steel box ways and hand-scraped mating components (instead of linear guide ways and milled surfaces). This results in superior vibration damping, extended tool life and improved surface finish.
Related Glossary Terms
- centers
centers
Cone-shaped pins that support a workpiece by one or two ends during machining. The centers fit into holes drilled in the workpiece ends. Centers that turn with the workpiece are called “live” centers; those that do not are called “dead” centers.
- gundrilling
gundrilling
Drilling process using a self-guiding tool to produce deep, precise holes. High-pressure coolant is fed to the cutting area, usually through the gundrill’s shank.
