261results about How to "Consistent depth" patented technology

The present invention is directed to a method for repairing defects in articular cartilage and, more particularly, to a new method for performing automated microfracture on subchondral bone to repair articular cartilage. The microfractured holes on the surface of the subchondral bone plate are formed with an automated process using a pneumatically driven orthopedic microfracture instrument. The instrument moves a fracture pin through the end of a guide tube until a sharp end of the fracture pin punctures or penetrates the subchondral bone plate and creates a microfracture or hole in the bone.

The invention relates to grooving equipment, in particular to chopping board grooving equipment. According to the technical scheme, the chopping board side wall grooving equipment which can groove theside wall of a chopping board, improve the grooving efficiency and guarantee that the depths of grooves formed by a cutting machine are consistent is provided. According to the technical scheme, thechopping board grooving equipment comprises a base, a groove and a lifting mechanism, wherein the top of the base is provided with a workbench, the groove is formed in the middle of the side portion of the workbench, a cylindrical containing box is arranged at the position, over the groove, of the side portion of the workbench, round holes are formed in the two sides of the cylindrical containingbox, and the lifting mechanism is arranged on the side part, close to one side of the cylindrical placement box, of the workbench. According to the chopping board side wall grooving equipment, throughthe lifting mechanism, the cutting machine can automatically move up and down and is tightly attached to the side wall of the chopping board, it is guaranteed that the cutting machine makes tight contact with the side wall of the chopping board all the time before grooving work is completed, and it is guaranteed that the depths of the formed grooves are consistent; and through a clamping and rotating mechanism, the chopping board can be automatically clamped and driven to rotate.

The invention discloses a mountain land mulching film peanut seeder capable of completing seeding and hilling simultaneously. According to the seeder, a seed box is arranged on the upper part of a machine frame; a sowing wheel on the lower part controls the sowing; a seeding wheel is arranged on the lower part of the machine frame; and a seeding nozzle of the seeding wheel, a seeding nozzle opening and closing draw plate, a seeding nozzle opening and closing pulley and an opening and closing draw plate return spring form an opening and closing structure capable of realizing automatic soil inserting and seeding. A soil distributor lowering chute is arranged on the middle lower part of the machine frame; a seeder sprocket arranged on the left side of the machine frame drives a back sprocket through a chain; and the back sprocket is engaged with a back end gear and drives a scraping conveyer belt through a coaxial transfer gear. The scraping conveyer belt is arranged on the back part of an earth blade tip which can move up and down for scraping earth under the control of an elevating tie bar. A balance wheel 10 is arranged on the back part of the machine frame. The mountain land mulching film peanut seeder has the advantages that the seeder is driven by human efforts or a micromechanism to carry out film rupturing, insertion seeding and hilling simultaneously, thereby greatly improving the working efficiency and having an obvious soil moisture preservation effect; the seeder has low operating strength; and the seeder is suitable for the operations in slopes, and miniature and complex land blocks.

The invention discloses a polycrystal black silicon texturing process. The polycrystal black silicon texturing process includes the following steps that 1), a polycrystalline silicon wafer is polishedthrough polishing liquid; 2), the polished silicone wafer is hole-dug through hole-digging treating liquid, and nano-holes are prepared in the surface of the silicone wafer; 3), the hole-dug siliconewafer is de-silverized, and silver particles on the silicone wafer are removed; 4), the de-silverized silicone wafer is chambered through chambering treating liquid, and micro-nano holes are preparedin the surface of the silicone wafer. According to the polycrystal black silicon texturing process, by means of control over the three key steps of polishing, hole-digging and chambering, the whole black silicone texturing process is controllable, polycrystal black silicon with the good appearance and high efficiency can be prepared, and the prepared polycrystal black silicon is fuzzy in appearance and is provided with uniform holes.

The present invention discloses a micropit numerical control laser forming method on the working surface of friction pair, and is characterized by that the components of the friction pair are rotated, the pulse laser bean can be used and relatively moved along the rotated components of the friction pair, then the focused pulse laser-bean can be used for making micropits on the working surface of friction pair components. Said invention possesses the following advantages: 1. can form micropits with thousands which are mutually independent and identical in depth on the working surface of frictino pair; 2. contactless processing, energy of laser beam and its movement can be regulated, and the rotating speed of components of friction pair also can be regulated; 3. it does not result in deformation of workpiece.

The invention discloses a micro-wire annealing tin plating machine production line and belongs to the field of cable machining. The micro-wire annealing tin plating machine production line comprises apay-off frame. A base is arranged at the lower end of the pay-off frame. An annealing furnace, a pickling bath, a tin furnace, a wire passing guide wheel set and a take-up machine. The pay-off frameis provided with a wire shaft. A first wire passing guide wheel is arranged on the surface of the pay-off frame. According to the production line, the special pay-off frame, the annealing furnace, thepickling bath, the tin furnace and the wire passing guide wheel set are arranged to be combined with the take-up machine, thus production of microwires is not troublesome any more, a user only needsto thread wires into the whole production line one by one like that of a traditional machine mode, the equipment can carry out the annealing technology and the tin plated technology automatically, allthe machined wires can be rolled and wound attractively with the standard and at a high speed, the defect that in the current wire industry, the microwires cannot be manufactured in batches is overcome, and the microwires can be produced with the standard and at a high speed.

The invention relates to a multi-milling cutter processing device of a multi-groove carving drilling rod. The multi-milling cutter processing device is characterized by comprising a rack, a driving mechanism and a milling mechanism, the driving mechanism and the milling mechanism are installed at the positions of a feeding port and a discharging port of the rack, the driving mechanism has a bidirectional driving function, the output end of the driving mechanism is provided with a screw guiding assembly for conveying and controlling surface milling grooves of the drilling rod, and the driving mechanism and the screw guiding assembly are matched with the rack through a first linear guide rail and a second linear guide rail; the position of the milling mechanism is provided with a gripper for clamping the drilling rod to prevent the drilling rod from retreating, the milling mechanism is provided with a plurality of milling cutter assemblies which can work selectively, and the milling cutter assemblies conduct groove milling operation according to the advancement rotational speed of the screw guiding assembly. According to the multi-milling cutter processing device, the milling mechanism of the multi-head milling cutter is adopted, meanwhile, groove milling operation is carried out on the drilling rod, the previous manner of one-by-one milling is avoided, and the production efficiency is greatly improved; and the quality and the service life of groove carving of the drilling rod are ensured.

The invention relates to a punching machine, in particular to a fungus bag punching machine for agricultural planting. The invention provides a fungus bag punching machine for agricultural planting, which is simple in operation and convenient to pick and place, and can automatically carry out punching. The fungus bag punching machine for agricultural planting comprises a bottom plate, a support seat, a clamping mechanism and a punching mechanism, wherein a rack is arranged at one side of the bottom plate; the support seat is arranged at the other side of the bottom plate; the clamping mechanism is arranged between the rack and the support seat; the punching mechanism is arranged between the rack and the support seat; and the clamping mechanism is located below the punching mechanism. The fungus bag punching machine clamps a fungus bag through the clamping mechanism and can quickly punch the fungus bag in the cooperation of the punching mechanism at the same time, and the punched holesare consistent in depths and uniform in positions; up-and-down movement of second inserting rods is achieved through the cooperation of shifting blocks and second fixing blocks, so that turnover of the fungus bag is facilitated; automatic turnover of the fungus bag when a second sliding block moves upwards is achieved through the cooperation of a clamping block and a ratchet wheel, so that manualturnover by people is not needed.

The invention discloses an iron sheet rolling groove winding drum machine and belongs to the technical field of pipeline processing equipment. The iron sheet rolling groove winding drum machine comprises a machine frame, a plate feeding mechanism, a rolling groove mechanism, a winding drum mechanism and a mechanical driving mechanism. The plate feeding mechanism comprises a driving plate feeding compression roller and a driven plate feeding compression roller. The rolling groove mechanism comprises an upper rolling groove compression roller and a lower rolling groove compression roller. The both sides of the upper rolling groove compression roller are each provided with an upper rolling groove pressing wheel. The both sides of the lower rolling groove compression roller are each provided with a lower rolling groove pressing wheel. The upper rolling groove pressing wheels are terrace die type wheels. The lower rolling groove compression rollers are annular groove wheels. The terrace die type wheels are matched with the annular groove wheels. The winding drum mechanism comprises an upper winding drum compression roller, a winding drum lower left compression roller and a winding drum lower right compression roller. An iron sheet is conveyed through the plate feeding mechanism at first and then is subjected to groove rolling through the rolling groove mechanism, and finally the iron sheet is subjected to winding drum forming through the winding drum mechanism. The iron sheet rolling groove winding drum machine is convenient to operate and capable of saving time, completing operations of transmission, groove rolling and drum winding at a time and saving the manual labor; the installation is convenient, and the production efficiency is improved.

The invention relates to the technical field of thermal treatment molds, in particular to a press quenching mold for a locomotive traction gear ring. The press quenching mold comprises an upper mold body and a lower mold body. The upper mold body comprises a web pressing mold body and an end face pressing mold body. The lower mold body comprises an expanding core, a web supporting table and an end face supporting table. The web supporting table and the web pressing mold body are used for clamping a web of the locomotive traction gear ring; the end face supporting table and the end face pressing mold body are used for clamping the end face of the locomotive traction gear ring; the expanding core comprises a stand column, a circular cone stand, an expander and an expander supporting table; the stand column and the expander supporting table are fixed to a machine tool working table; the circular cone stand is arranged on the stand column in a sleeved mode and can move up and down along the stand column; the expander is arranged around the periphery of the circular cone stand, the bottom of the expander makes contact with the expander supporting table and can perform radial movement on the expander supporting table; the inner inclined surface of the expander is attached to the outer conical surface of the circular cone stand. The press quenching mold for the locomotive traction gear ring is compact in structure and ingenious in design; during carburizing and quenching, the requirement of products for the hardness can be met and deformation of the gear ring due to carburizing and quenching can be effectively controlled; therefore, the qualified rate of the products is increased.