64results about How to "Large adjustment margin" patented technology

The invention belongs to the technical field of mold processing and design, and discloses a mold assembly and an assembly method of the mold assembly, wherein the mold assembly includes a female mold assembly and a male mold assembly, and the female mold assembly includes a female mold side template and a female mold core Assemblies, the female mold side template is provided with a female mold mounting block, the female mold core assembly can be clamped on the female mold side template through the female mold mounting block, the female mold core assembly is provided with a female mold positioning block, and the male mold group The parts include the male mold side template and the male mold core assembly. The male mold side template is provided with a male mold mounting block. The male mold core assembly can be mounted on the male mold side template through the male mold mounting block. The positioning block of the male mold is provided, and the assembly method of the mold assembly uses the above mold assembly. In the present invention, through the setting of the clamping block for the female mold and the clamping block for the male mold, there is no need to assemble a wedge, so that the assembly of the mold is simpler and the positioning is more accurate.

In a microgrid or an isolated grid, in order to keep the system voltage and frequency stable, a power supply using a droop control strategy is required as the main power supply, which puts high demands on the capacity and regulation ability of the main power supply, which is often difficult to achieve due to economic constraints ideal situation. The present invention proposes a generalized droop control method. The droop control strategy is implemented at the grid coordination control layer to replace the original droop control strategy implemented on the main power supply. All power sources participating in the generalized droop control in the microgrid or isolated grid are divided into Main power supply and non-main power supply, the main power supply accepts the voltage command value issued by the coordination control layer and generates power according to the instruction, and the non-main power supply accepts the power control instruction issued by the coordination control layer and generates electricity according to the instruction. After adopting this strategy, the requirements of the microgrid or isolated grid on the main power supply can be greatly reduced, and at the same time, the coordination control layer can arrange the output according to the actual situation of each power supply in the grid, thereby optimizing the operation results of the grid.

The invention provides a centrifugal separation rotary drum machine. The centrifugal separation drum machine comprises an upper rotary drum, a lower rotary drum, a residue discharging stopping ring, alocating ring, a driving shaft and a rotary residue scraping system; the bottom of the upper rotary drum is connected with the locating ring, and the residue discharging stopping ring is installed atthe bottom of the upper rotary drum through a stopping opening of the locating ring; an inner ring of the locating ring is slidably connected with the lower rotary drum in the axial direction, the top of the lower rotary drum is in contact with the bottom of the upper rotary drum, and an outer ring of the lower rotary drum is in line seal cooperation with an inner ring of the residue dischargingstopping ring; a residue discharging opening is formed in the locating ring, and is in interdicted communication with several separation chambers through line seal; one end of the driving shaft is connected with a feeding distribution disc, and a sliding adjusting mechanism is installed outside an input shaft sleeve of the lower rotary drum; the rotary residue scraping system is installed on the base. By means of the centrifugal separation rotary drum machine, maintenance of the synchronous rotation speed of a separation medium and the rotary drums can be guaranteed, the medium is relatively static, disturbance cannot be generated, the separation state is identical to that of an experiment centrifugal machine, and the flow of solid-phase discharged residues can be randomly adjusted.

The invention discloses a motor vehicle license plate reflective film pre-printing machine, which comprises a frame, on which a feeding roller and a receiving roller cooperating with each other are arranged, and an active feeding roller and a driven feeding roller are also arranged; An ink roller printing device, a first drying device, an ink scraping device and a second drying device are sequentially arranged between the discharging roller and the receiving roller. dry, which can reduce the fluidity of the ink layer, prevent the ink from rapidly forming aggregated oil droplets, affect the surface smoothness, and avoid the adhesion between the ink layer and the guide roller; on the other hand, due to the non-roll printing layer of the reflective film When heated, the fluidity of the ink in the inner layer will be less than that of the ink in the surface layer, which is convenient for scraping off the ink in the surface layer without affecting the integrity of the ink in the bottom layer, and improves the product quality; meanwhile, the present invention is used for the reflective film through the second drying device. The drying treatment is carried out, and the production of the reflective film is completed on one device, which improves the production efficiency.