98 results about "Glass knife" patented technology

The invention discloses a glass-metal composite plate as well as a manufacturing method and application thereof. The glass-metal composite plate is characterized by being formed by compounding a glass plate (1) and a thin metal sheet (3) through an adhesive (2). A required part of the glass plate (1) of the glass-metal composite plate is broken and bent to manufacture various profiles and products. The glass-metal composite plate can be used for manufacturing hollow glass and vacuum glass which serve as lightproof heat preservation plates. The glass-metal composite plate is processed and manufactured at a cold end of a flat-plate glass production line. The manufacturing method mainly comprises the following steps: 1, cleaning the upper surface of an on-line glass plate according to a dry method; 2, coating the adhesive (UV (ultraviolet) glue or hot-melted glue) on the upper surface of the glass plate or the lower surface of the coiled thin metal sheet; 3, continuously pressing the glass plate and the thin metal sheet together through a pair of rollers; 4, solidifying the UV glue or the hot-melted glue; 5, cutting off the thin metal sheet and a glue layer on the upper surface of the glass-metal composite plate through a laser knife and correspondingly cutting off the glass plate on the lower surface of the glass-metal composite plate through a glass knife; 6, cutting off and stacking the glass-metal composite plate.

The invention relates to a glass cutting machine, in particular to a rounded glass cutting machine. The rounded glass cutting machine can accurately conduct round cutting, saves manpower and is high in safety. The rounded glass cutting machine comprises a base, a platform, a rack, a first air cylinder, an N-shaped rod, an iron ring, a pressing block, a U-shaped frame, a first mounting plate, a motor, a first spring, a connecting plate and the like. The upper part of the base is connected with a platform; the right lower part of the base is connected with a rack; a first cylinder is mounted atthe top inside the rack. The rounded glass cutting machine is provided with the adjusting mechanism and the glass cutter, the position of the glass cutter is adjusted through the adjusting mechanism,rounded glass of a certain size can be accurately cut, and the accurate cutting effect is achieved; meanwhile, the motor arranged on the rounded glass cutting machine drives the glass cutter to rotatethrough related parts to conduct round cutting, and operation is convenient; the rounded glass cutting machine is further provided with a material box and related components, so that the equipment can move glass blanks more conveniently.

The invention discloses a high-toughness ultra-wear-resistant hard alloy and a manufacturing method thereof. The high-toughness ultra-wear-resistant hard alloy comprises the following raw materials in percentage by mass: 3.0-5.0% of Co, 0.6-1.0% of VC, 4.0-8.0% of (Ta, Nb) C, 5.0-7.0% of B4C, 0.4-0.8% of carbonyl Ni, 0.4-0.8% of Mo2C and the balance of WC; moreover, the carbon balance value of the proportioning is +0.17 to +0.21%. The manufacturing method comprises the procedures of proportioning, ball-milling, drying-granulating, shaping, and low-temperature carburizing-low-pressure sintering. The method provided by the invention is used for manufacturing the cutting tools of indexable inserts, end mills, micro-drills, glass knives and the like, and is suitable for cutting machining for the many materials of cast iron, carbon steel, alloy steel, stainless steel, glass, ceramics and the like. The method can be further used for manufacturing hard alloy wear-resistant parts, sealing parts, precise moulds, high-pressure nozzles and the like, and can improve the wear resistance and the toughness of the prepared hard alloys, prolong the service lives of the tools and increase the production efficiency.

The invention discloses a battery piece PECVD post-plating film reworking piece processing method comprising the following steps: S1, silicon nitride cutting: using a glass knife to cut and remove the silicon nitride on the surface of the battery piece, specifically, if the glass knife cutting surface is located on the contact surface between the battery piece and the silicon nitride, directly entering step 2; S2, cutting and plating film: using a pipe type PECVD plating film process to re-plate films on the surface of the battery piece. The method can well remove the silicon nitride without using a HF acid solution or by using a little HF acid solution, and the texturization and PN node production cannot be affected; the method re-plate the PECVD film on the battery piece, thus effectively reducing battery piece damages and battery piece fragment rate, reducing raw material acid solution consumption, reducing production cost, improving work efficiency, and well processing aberration reworking pieces; the method is very effective.

The invention relates to a chromosome flaking method of leymus hochst plant root tips. The method comprises the following steps that (1) in a step of preparing materials, after leymus hochst seeds are germinated for 5-7 days at constant temperature, white new roots of the potted leymussecalimus which grow vigorously are put into a centrifugal tube; (2) the centrifugal tube with root tips are placed into a high pressure container device, and N2O are introduced into the centrifugal tube for pretreatment to obtain pretreated new roots; (3) the pretreated new roots are dried and fixed by using Carnoy's fluid to obtain fixed new roots; (4) the fixed new roots are rinsed and dissociated by using glacial acetic acid after being dried to obtain dissociated new roots; (5) the dissociated new roots are dried and placed on a glass slide for manufacturing tablettings; (6) the tablettings are placed under an optical microscope for observing, dispersed and distinct cells of the chromosome are selected for taking photographs so as to perform fluorescence in situ hybridization, and finally, the positions of cover glasses are marked by using a glass knife, and the ready-made glasses are put into a refrigerator at minus 80 DEG C for storing. The method is efficient and safe.

The invention relates to a method of using a reflection electron probe to analyze glass defects. The method is characterized by comprising following steps: step one, labeling the position of a glass defect and measuring the distance between the glass defect and the glass surface; step two, taking the glass surface, which is closest to the glass defect, as the cutting surface, and cutting the cutting surface for many times by a glass cutter to obtain a sample with multiple cutting cracks; step three, observing the cut sample, and if the distance between the position of the glass defect and at least one cutting crack is 0-0.55 mm, taking the cutting crack as the characteristic crack for positioning the glass defect under a transmission electron microscope; and step four, taking the characteristic crack as a reference substance, and positioning and analyzing the glass defect by a reflection electron probe. The method solves the problem that in the prior art, the defect positioning is notaccurate, moreover, the method is simple and fast, and no extra cost is generated.

The invention provides a glass cutting device which comprises suckers, a guide track, a fixing rack and a glass cutter, wherein the suckers are arranged below the guide track; the suckers are used for sucking glass to be cut; the extending track of the guide track is identical to the cutting track of the glass to be cut; the fixing rack is connected with the guide track in a sliding manner; the fixing rack and the suckers are respectively arranged on two sides of the guide track; the fixing rack is provided with a cutter holder; the glass cutter is fixed on the cutter holder; the glass cutter faces to a plane where the guide track is placed. As the glass cutter is fixed on the fixing rack, the fixing rack is connected with the guide track in a sliding manner, the glass to be cut is fixed on the guide track through the suckers in a sucking manner, the glass cutter points to the glass to be cut, and the movement track of the glass cutter on the surface of the glass is limited through the guide track, the glass cutter is not deflected in the cutting process, and the cutting pass percent of the glass is increased.

The invention belongs to a glass cutting tool, and concretely provides a glass knife with an electronic level meter. The glass knife comprises a glass backup plate, a push knife body and an electronic level meter. One end of the push knife body is fixed on the glass backup plate in the vertical direction. The electronic level meter is installed at the bottom surface of the push knife body. Glass levelness is transmitted to the electronic level meter through a sensor installed on the electronic level meter. The push knife body comprises a glass slide rail, a rotating disc and a six-rail knife bar. The glass knife changes the cutting method of a traditional glass knife that only one piece of glass can be cut once. That six pieces of glass with different sizes or the same size can be cut at the same time is achieved through one glass knife. Each knife head is independent, and no influences to glass cutting are generated among the knife heads. In addition, because the glass knife is equipped with an electronic level meter, the glass cutting precision is high, and the working efficiency is raised.

The invention discloses a double tapering method for a preformed rod. The method comprises the steps: clamping the preformed rod on clamping claws at the two ends, aligning at the position needing to be tapered by using lamp caps, preheating the preformed rod, pre-burning by using one lamp cap firstly, starting the second lamp cap, continuously increasing the temperature of the preformed rod to enable the temperature to permeate gradually and starting to taper after determining that the surface layer glass of the preformed rod is in a molten state; fixing the clamping claw on the left side, moving the clamping claw on the right side, locking the clamping claws, continuously heating the maximal variable diameter position of the preformed rod by using the lamp caps, repeating the above operation again, enabling the rod diameter at the tapering position to reach 15 to 16 mm after moving for 3 to 4 times, turning off the lamp caps and moving away, putting the tapering part into a heat-insulating room, slowly cooling, cutting off the thinnest part of the tapering part by using a glass knife, moving the two sections of tapered preformed rod out of the heat-insulating room, and cooling for future use. No loss in the tapering process is guaranteed, scrap of other parameters caused by core cladding ratio change caused by tapering in the wire-drawing process is avoided, and the utilization rate of the preformed rod is effectively increased.

The invention relates to the technical field of OLED panel processing, and discloses a laser cutting device for a noninvasive OLED glass substrate. The device comprises a stand, a vacuum adsorption type workbench for storing the glass substrate is arranged at the upper end of the stand, a cutting assembly is arranged on one side of the upper portion of the stand, the cutting assembly comprises a glass cutter used for conducting primary collision on the glass substrate and a laser lens used for cutting the glass substrate, the cutting assembly is fixed to the upper end of a first X-axis linearmodule, the first X-axis linear module drives the cutting assembly to penetrate through the lower portion of the vacuum adsorption type workbench, a breaking assembly is further arranged above the vacuum adsorption type workbench, the breaking assembly comprises a breaking knife arranged in a lifting mode, and the breaking knife is used for separating the cut glass substrate. The glass cutter andthe linear CO2 laser are combined to guide crack type scribing of the glass, and the breaking cutter is matched, so the cutting speed is high, and trimming is not needed after processing is completed.