Adjustable damping type vibration-attenuation and chatter-suppression device in milling process of thin-walled workpieces and vibration-attenuation method
A technology for thin-walled parts and damping adjustment, which is applied in milling machine equipment, milling machine equipment details, maintenance and safety accessories, etc. Effect of large structural loss factor, suppression of blade flutter, and multi-vibration energy
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Embodiment 1
[0033] An adjustable damping anti-vibration device in the milling process of thin-walled parts, which comprises: a vibration-reducing and anti-vibration device 9, the vibration-reducing and anti-vibration device includes a sealed cavity 8, and the sealed cavity A top plate 1 is installed on the upper plane, the outer layer of the sealed cavity is a constrained layer 7, a damping layer 6 is installed inside the constrained layer, a damping layer substrate 5 is installed inside the damping layer, and the damping layer substrate A magnetorheological fluid 3 is installed inside, and six permanent magnets 2 are installed in the magnetorheological fluid, and coils 4 are wound outside the permanent magnets.
Embodiment 2
[0035] According to the adjustable damping vibration-reducing and vibration-reducing device in the milling process of thin-walled parts described in Embodiment 1, the permanent magnets are divided into 2 rows and arranged in parallel with 3 in each row, and the upper plane of the permanent magnets is the same as the The top plate fits.
Embodiment 3
[0037] According to the adjustable damping anti-vibration device in the milling process of thin-walled parts described in embodiment 1 or 2, the described vibration-reduction and anti-vibration device is bonded to one side of the blade 10 by strong adsorption of double-sided adhesive, so The other side of the blade mentioned above is the surface to be processed (processing with a ball end milling cutter).
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