Magnetorheological polishing device and polishing method with dynamically superposed magnetic fields
A magnetorheological polishing and dynamic technology, which is applied in the direction of grinding drive device, grinding/polishing equipment, surface polishing machine tool, etc., can solve the problems such as difficulty in generating dynamic magnetic field, low polishing efficiency, and poor dynamic uniformity of dynamic magnetic field. Achieve the effect of small difference in surface properties of the machined surface
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Embodiment 1
[0040] Such as figure 1 , figure 2 As shown, a magneto-rheological polishing device with dynamic superposition of magnetic fields includes a machine tool 1, a frame 2 arranged on the top of the machine tool 1, a first drive assembly 41, a second drive assembly 42, a dynamic magnetic field generating assembly 3, and a workpiece mounting assembly 6 and the polishing disk assembly 5, the dynamic magnetic field generating assembly 3, the polishing disk assembly 5 and the workpiece mounting assembly 6 are all installed on the frame 2, the dynamic magnetic field generating assembly 3, the polishing disk assembly 5 are respectively connected with the first driving assembly 41, the second driving assembly The assembly 42 is connected, the polishing disc assembly 5 is located above the dynamic magnetic field generating assembly 3, the polishing disc assembly 5 contains a magneto-rheological polishing liquid 54, the workpiece mounting assembly 6 can extend into the polishing disc assem...
Embodiment 2
[0059] The difference between this embodiment and Embodiment 1 is that, if Figure 10 , Figure 11As shown, every adjacent three dynamic magnetic field generating assemblies 3 form a group, and are evenly distributed on the frame 2 with the main shaft 53 as the center. The first drive assembly 41 also includes a first transfer shaft 413, a first sun gear 414 With the first gear 415 and coupling 416, the first motor 411 is connected to the first transfer shaft 413 through the elastic coupling 412, and the first transfer shaft 413 is connected to the first central gear 414 through a pin, and the first central gear 414 It is connected with the three first gears 415 of the same group, and the three first gears 415 of the same group transmit power to the power shaft 34 of the three dynamic magnetic field generating assemblies 3 of the same group respectively through the coupling 416, so as to realize the The dynamic magnetic field generating assembly 3 rotates synchronously. At th...
Embodiment 3
[0064] This embodiment is an embodiment of the polishing method of the magnetorheological polishing device in which the magnetic field is dynamically superimposed in the above embodiments, and includes the following steps:
[0065] (1) The workpiece to be processed is installed on the machine tool spindle 61, and the working gap between the workpiece to be processed and the polishing disc 51 is adjusted through the machine tool 2;
[0066] (2) configure the magnetorheological polishing fluid 54 and pour the magnetorheological polishing fluid 54 into the polishing disc 51;
[0067] (3) Start a plurality of first motors 411 to drive the internal structure rotation of a plurality of dynamic magnetic field generating assemblies 3 to generate a dynamic magnetic field;
[0068] (4) Start the second motor 421 to drive the polishing disc 51 to rotate;
[0069] (5) Start the machine tool spindle 61 to drive the workpiece to be processed to rotate, so as to achieve uniform polishing on...
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