US 12,233,499 B2
Damper
Christer Zackrisson, Trollhättan (SE); James Gladh, Trollhättan (SE); and Martin Lundstedt, Trollhättan (SE)
Assigned to GKN Aerospace Sweden AB, Trollhättan (SE)
Appl. No. 17/624,942
Filed by GKN Aerospace Sweden AB, Trollhättan (SE)
PCT Filed Jul. 9, 2020, PCT No. PCT/EP2020/069425
§ 371(c)(1), (2) Date Jan. 5, 2022,
PCT Pub. No. WO2021/005172, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 1909945 (GB), filed on Jul. 11, 2019.
Prior Publication US 2022/0288732 A1, Sep. 15, 2022
Int. Cl. B23Q 1/70 (2006.01); B23Q 11/00 (2006.01); F16F 7/108 (2006.01); F16F 15/08 (2006.01)
CPC B23Q 1/70 (2013.01) [B23Q 11/0035 (2013.01); F16F 7/108 (2013.01); F16F 15/08 (2013.01); B23C 2250/16 (2013.01); B60G 2202/25 (2013.01); F16F 2224/025 (2013.01); F16F 2230/0052 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A multi-axis milling machine, comprising:
a spindle having a spindle housing; and
a damper,
wherein the spindle is configured to receive a tool holder and to cause rotation of the tool holder within the spindle,
wherein a portion of the spindle housing surrounding the tool holder is provided with the damper,
wherein the damper comprises an outer housing enclosing a damping mass, the damping mass being movable within and with respect to the outer housing and spaced from the outer housing by a plurality of elastomeric or rubber elements, and
wherein the elastomeric or rubber elements are continuous and portions of an inner surface of end faces of the outer housing and/or portions of end faces of the damping mass are provided with recesses in alignment with a line of contact of the elastomeric elements and the end faces.