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The Eldorado M75-48T is a two-spindle gundrilling machine with 48 inches (1,219 mm) of slide travel. This is 60 percent more slide travel than the standard Eldorado model offered by the company. The additional length allows the machine to accommodate nearly all the gundrilling applications a job shop will encounter.
The M75-48T has a gundrilling diameter range of 0.055 to 0.75 inches (1.4 to 19.1 mm). It features two gundrilling spindles with independent spindle control, allowing two different drilling cycles at the same time. The machine also utilizes counter-rotation of the workpiece to improve drilling performance.
The machine features cast iron box ways and hand-scraped spindle housings (versus linear guide ways and milled surfaces). This results in superior vibration damping, extended tool life and improved surface finish.
Related Glossary Terms
- 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.