37results about How to "Low processing environment requirements" patented technology

The invention relates to a method for machining a butterfly-shaped nanometer gap through coordinative shaping of femtosecond laser phase position amplitude and belongs to the technical field of laserapplication. A reflecting type phase position type liquid crystal spatial light modulator can carry out phase position modulation on incident light, thus reflected light has designated phase positiondistribution on space, meanwhile, a narrow gap is utilized for carrying out amplitude shaping on light beams obtained after phase position shaping, and thus coordinative shaping of the phase positionand the amplitude of the initial light beams is achieved. The light beams obtained after coordinative shaping pass through a focusing objective lens to be focused, and multi-light-point light beams with different structure parameters are formed. The generated multi-light-point light beams are utilized for machining a designated material, material removal can be achieved in the area with strong light intensity, the material is kept in the area with the weak light intensity, and thus the butterfly-shaped nanometer gap can be obtained. According to the method, a light path needing to be set up issimple, use is convenient, a mask and vacuum environment are not needed, the machining cost is low, the machining efficiency is high, and the method plays an important role in the machining field oflaser micro nanometer structures.

The invention provides a method of electrochemical machining to minuteness texture of column aspect tumbling body part exteriority, which belongs to electrochemical machining domain. The characteristic of the method is that it adopts machinery extrusion method to closely fit column aspect tumbling body part and flexible screened film which has the structure of micro hiatus. Electrolyze with the part as anode, and minuteness texture will be formed in the exteriority of column aspect tumbling body part. Simultaneously if uses double layer flexible electrolytic screened film which contents insulating layer and metallic layer, its metallic layer can be directly utilized as the electrolysis cathode. If uses the electrochemical machining method of this invention, minuteness texture can be formed in the exteriority of column aspect tumbling body part. It has the characteristics of manufacture precision high, the speed quick and the cost low and so on.

The invention discloses a trace structural electric-cast manufacturing method on the external surface of column-shaped rotary bulk element in the electric cast manufacturing domain, which is characterized by the following: making flexible electric-cast screen film with micro-hole structure; attaching column-shaped rotary bulk element and flexible electric-cast screen film through mechanic squeezing pattern; casting element as cathode; forming trace projecting structure on the external surface of column-shaped rotary bulk element; making electric-cast screen film through insulating material; adding a layer of electrochemical insoluble metal material (platinum or titanium) to make the insulating material.

Disclosed is a method for processing an aluminum alloy cap. The method includes a vertical rib processing step and an inner thread processing step. The vertical rib processing step includes extruding an extruding head into a cap blank slowly from the opening of the cap blank, accordingly extruding a concave part and a convex part on the inner side of the cylindrical side wall of the cap blank, and acquiring the cap blank with the concave part and the convex part. The inner thread processing step includes assembling an executing component on the inner side of the cylindrical side wall of the cap blank with the concave part and the convex part, starting a hydraulic lifting device and a rotary motor, forming a thread on the convex part accordingly, and obtaining the aluminum alloy cap.

The invention discloses an efficient and precise machining method for a composite material. The thickness and the heated degree of a heated area of the composite material are regulated accurately through time domain shaping ultrafast lasers; the thickness of easily-machined loose oxide generated in the manner that a matrix phase and a reinforced phase of the material are subjected to a chemical reaction through gas assisting under the heat effect is controlled; conditions are created for achieving precise machining by directly removing a loose oxide layer subsequently through cutting/grindingmachining; and machinability of the material is greatly improved.

The invention discloses an adjustable internal thread deburring device which comprises a screw rod (1) and is characterized in that a mounting groove (8) is formed in the bottom of the screw rod (1), a guide blade (2) is arranged in the mounting groove (8), the guide blade (2) is connected with a spring (3), and the other end of the spring (3) is connected with a plug (4). The device has low requirements on machining environments such as the appearance and the thread position of a machined workpiece, and the process operability is high; the use is convenient, the thread is not easy to scratch, and smooth transition between thread forms is realized. The problem that parts such as screws cannot be taken out due to clamping stagnation of burrs after being screwed into internal threads is solved. And when internal threads with the same specification are machined, the influence of the diameter of a bottom hole of the internal threads is avoided, the cutting force of the adjustable plug and the spring on the guide blade is automatically adjusted, and the flexibility is high.

The invention discloses an electrolysis cathode, a cathode processing method, an electrolysis system containing the cathode and a system application method in the technical field of electrolysis processing. A processing cathode of an annular strip-shaped structure is disclosed. The processing cathode comprises an annular strip, the outer strip face of the annular strip is a flexible insulation layer, the inner strip face of the annular strip is a conductive layer, through holes are formed in a strip body of the annular strip at equal intervals, and a group hole structure is jointly formed by all the through holes. A belt wheel set is in winding joint in the annular strip, and the annular strip forms a straight line section and an arc section suitable for workpiece usage through the belt wheel set. The flexible plate strip serving as the tool cathode is sequentially arranged on a contact wheel, a tensioning wheel and a guide wheel and is tensioned, an electrolyte is sprayed into the group hole structure of the flexible plate strip, respective fine structures are machined on the workpiece surfaces at a time, and the characteristics that the machining range is wide, the machining efficiency is high, and the tool cathode is ingenious in design are achieved.

The invention relates to a femtosecond laser processing device and a 1x8 ridge type optical splitter processed through device. When an optical device is processed through the femtosecond laser processing device, femtosecond pulsed laser beams sequentially pass through a half wave plate, a mirror and a microscope objective and then are focused to a substrate material fixed on a six-degree-of-freedom working platform, the focused femtosecond pulsed laser beams lithograph the substrate material into the optical device in the movement process of the six-degree-of-freedom working platform, and airflow between a blowing part and a sucking part is used for dedusting in the lithography process. The processing device is simple in structure, and the optical device processed by the processing deviceis low in processing cost, high in precision and good in consistency.

The invention provides a method and system for preparing titanium dioxide with exposure high-activity surface by utilizing femtosecond laser and belongs to the technical field of femtosecond laser application. According to the method and system for preparing the titanium dioxide with exposure high-activity surface by utilizing the femtosecond laser, an anodic oxidation method is firstly utilized,a solid titanium dioxide nanotube array film is prepared on the surface of a titanium sheet, and then line-by-line scanning is performed by the femtosecond laser to obtain anatase titanium dioxide with exposure {010} crystal surface. Compared with traditional methods, the method has the advantages that solid titanium dioxide can be processed directly, the processing environment requirements are low, the energy utilization rate is high, the speed is fast, and the like. The anatase titanium dioxide with the exposure {010} crystal surface prepared and obtained by utilizing the method and system can be used for photocatalysis and solar cell preparation, and obtaining of the high photocatalytic or photoelectric conversion efficiency is facilitated.

The utility model relates to a three-dimensional processing device for micromechanical parts, which belongs to a nano-processing device. The existing processing based on the scanning probe microscope is limited to the plane two-dimensional micro-pattern, and has not formed a complete set of processing mechanism and related technologies similar to ultra-precision diamond turning. The invention comprises a mechanical table body (1), a three-dimensional coarse motion workbench (2) arranged on the mechanical table body (1), and a processing head part (3) and an optical system ( 4), a spindle system (5) is provided on the three-dimensional coarse motion table (2), the three-dimensional coarse motion table (2), the processing head part (3), the optical system (4), the spindle system (5 ) are all connected with the control system (6). The product of the invention has the advantages of high precision and good effect.

Disclosed is a method for processing an aluminum alloy stopper. The method includes a vertical rib processing step and an outer thread processing step. The vertical rib processing step includes using a die sleeve to process a stopper blank, accordingly extruding a concave part and a convex part on the cylindrical outer side wall of the stopper blank, and obtaining the stopper blank with the concave part and the convex part. The outer thread processing step includes utilizing an executing component to contact with the cylindrical outer side wall of the stopper blank with the concave part and the convex part, starting a hydraulic lifting device and a rotary motor, forming a thread on the convex part accordingly, and obtaining the aluminum alloy stopper.