Low mass, low profile, force balanced Z-axis drilling apparatus with improved machine dynamics
US9050664B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 13, 2014 |
| Grant date | Jun 9, 2015 |
| Priority date | — |
| Expiry date | Jun 13, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/675
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An improved lightweight z-axis (vertical) drilling apparatus for a commercial PCB drilling systems that uses a pair of unitary z-axis movement guides that integrate the vertical, guided movement of the linear actuator, spindle and pressure foot of a PCB drilling apparatus. The linear actuator is positioned directly above and coupled to the spindle, and the unitary z-axis movement guides situated such that the such that the center of mass of all of the drilling assembly's moving components is collinear with the axis of rotation of the motor and spindle. The combination of these improvements allows for faster drilling times, shorter drilling cycles, less drill bit wander, slower drill bit dulling and less drill bit breakage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.