148results about How to "Reliable cutting" patented technology

The invention is directed to a laser catheter (1) for bypass surgery, wherein the distal part (2) of the catheter (1) is provided with: a tubular arrangement (3) of optical fibres (4) having distal ends (5) defining a ring-shaped light emergence surface (6) for emitting a tubular bundle of light beams in the distal direction (D) of the catheter (1); and a stop surface (7) extending around the tubular arrangement (3) of optical fibres (4) and facing in the distal direction (D), the stop surface (7) being arranged at a distance (A) proximally from the light emergence surface (6). The light emergence surface (6) slants at a slanting angle (α) in the range of [20°, 60°] with respect to the longitudinal axis (8) of the catheter (1). The invention further relates to an assembly comprising such a catheter.

A flexible joint comprises: first cylindrical bodies comprising a pair of spherical ring members; a second cylindrical body comprising a sleeve relatively movably inserted in the first cylindrical bodies from an axial direction X of the second cylindrical body; third cylindrical bodies comprising a pair of casing tubes which are fitted around outer peripheral surfaces of the first cylindrical bodies and are provided with mutually slidable spherical inner peripheral surfaces, the casings being formed at their opposite ends with connecting portions, and being provided at their outer peripheral surfaces of large diameter portions with projections having through holes; and rods capable of being inserted into the through holes formed in the outer peripheral surfaces of the large diameter portions, each of the rods being provided and fixed between the projections of the pair of third cylindrical bodies for restricting the telescopic movement of the tube joint, wherein the rods comprise a pair of rods connected to each other in the vicinity of a substantially central portion between the opposed projections, the pair of rods being threadedly connected to at least one of bottomed holes opened and formed on opposite ends of a long nut which is provided at its substantially central portion with a notched portion so that when excessive external force is applied, the notched portion is preferentially broken to restore telescopic flexible effect of the tube joint.

Systems, devices, and methods for monitoring the status of a cutting tool during delayed decoker unit operation, and systems for remotely monitoring the level of coke or foam in a drum during the coking process. One or more sensors or accelerometers is coupled to a location in a delayed coking unit operation to read vibrations emanating from the component that the respective accelerometers are located on. Vibrational data is transmitted to a computer system that manipulates the data to provide useful information that an operator of a delayed coking unit operation may view.

The invention discloses a multi-stage perforation supercharging method. In the technological processes, a supercharging device is connected with the tail of a perforation gun of the upper level, after the perforation gun of the upper level is detonated, the perforation gun transmits detonation waves to the supercharging device, a baffle igniter of the supercharging device is detonated to ignite a supercharging gun powder mechanism, the supercharging gun powder mechanism generates high-pressure gas to push a supercharging piston to move to shear a shear pin of the supercharging device, and to push the piston to extrude a liquid inside an interlayer oil pipe so as to increase the pressure inside the interlayer oil pipe, and the shear pin of the lower-level detonation device is shorn off to detonate a pressure detonation device and a perforation gun of the lower level so as to complete the perforation operation of the lower level. The method can ensure the stability and the controllability of pressure generated due to the combustion of supercharging gun powder in a supercharging cavity, the pressure is then acted on the supercharging piston to ensure that the supercharging piston moves stably, the method can also realize high-precision shearing, can be used in a pressure type multi-stage perforation process, and is suitable for various well conditions.

In a first bonding step of bonding an initial ball to a pad surface, the initial ball is applied by ultrasonic vibration while in pressure contact with the pad surface and a capillary undergoes a scrubbing motion to be rotated spirally. This allows a deformation area of the initial ball to be reduced, whereby the accuracy of bonding can be improved. In a second bonding step of bonding a bonding wire to a lead surface, the capillary and the bonding wire are applied by ultrasonic vibration while in pressure contact with the lead surface and the capillary undergoes a scrubbing motion to be rotated spirally. This allows the bonding wire bonded to the lead surface to be cut reliably.

The invention discloses a multi-stage perforating pressurizing device. The device comprises a power shell and a pressurizing shell positioned on the lower part of the power shell, wherein a power cavity is formed in the power shell; a pressurizing cavity is formed in the pressurizing shell; the power cavity is communicated with the pressurizing cavity; a diaphragm igniter and a pressurizing gunpowder mechanism positioned on the lower part of the diaphragm igniter are arranged in the power cavity; a pressurizing piston driven by power generated by the power cavity is arranged in the pressurizing cavity and is connected with a piston through a push rod; and the piston is fixed on an intermediate joint through a shear pin. The stability and controllability of pressure generated by the combustion of gunpowder in the pressurizing cavity can be ensured; the pressure is applied to the pressurizing piston, so that the pressurizing piston moves stably; pressure increment is generated in an interlayer oil pipe, so that a next stage pressure initiation device and a next stage perforating gun are reliably detonated; and the multi-stage perforating pressurizing device is used for the pressure multi-stage perforating process, is suitable for various well conditions, and particularly can meet the requirements of a high-inclination well and a horizontal well on multi-section, large-distance and negative pressure perforating.

The invention relate to a numerical control sponge cutting machine, which comprises a workbench base, a rotary workbench, vibration devices, vertical pulling devices, a gantry, a control part, a horizontal guide rail and a rack. The workbench base is arranged on the horizontal guide rail and the rotary workbench capable of lifting and rotating is arranged on the workbench base; the two vertical pulling devices are arranged on the gantry, and the two vibration devices are respectively arranged on two columns of the gantry; the control part is a numerical control system. Since the two vertical pulling devices are adopted to respectively adjust the height and the position of the two vibration devices, the sponge cutting machine is capable of processing sponge of different heights; since the workbench has a structure capable of lifting and rotating, the sponge cutting machine is capable of processing sponge of various curves; since the combination of adjusting cylinders and dampers is adopted in the vibration devices, the sponge cutting machine has more reliable cutting and the reasonable structure leads to non-environment pollution and high automatization, therefore, the sponge cutting machine is of great utility and popularization value.

A cutting mechanism includes a cutter roll and a rotational driving mechanism for rotationally driving the cutter roll. The cutter roll has a roll body and a blade portion protruding from a peripheral surface of the roll body. The blade portion is formed at a same position on a circumference of the roll body and extends in an axial direction of the roll body. The cutter roll is arranged so that the axial direction is at a predetermined angle with respect to a pull-out direction of the reinforcing fiber material. The cutting mechanism further includes a slide mechanism that displaces cutter roll in the axial direction toward a side in the pull-out direction of the reinforcing fiber material at least when the reinforcing fiber material is cut.

The invention relates to the technical field related to tube stock cutting devices, in particular to a cutting machine for automatically slitting a long tube stock into short tubes, comprising a rack, and a lifting mechanism and a cutting mechanism arranged on the rack. The cutting mechanism is arranged on the left side of the lifting mechanism, a tube feeding mechanism is arranged on the lifting mechanism, a support mechanism is arranged above the feeding mechanism and the cutting mechanism, a tube rotating mechanism is arranged above the support mechanism, a gap for containing the tube stock is arranged between the support mechanism and the tube rotating mechanism, the support mechanism comprises a V-shaped bracket and two support rotating sleeves which are respectively arranged on two arms of the V-shaped bracket. In the invention, a dust collector on a machine starts to work while tube cutting is performed, so that the dust pollution is reduced, and the labor protection is strengthened. The cutting machine has a simple structure, is reliable in cutting and can cut tube stocks with high thickness and large tube diameter specification range, and is suitable for various specifications of tube diameters when in clamping.

The invention relates to an automatic compression joint material breaking and material changing mechanism for a hygienic product coiled material. The mechanism comprises a left unwinding mechanism, a right unwinding mechanism, a compression joint material breakage mechanism, a tension control mechanism, a deviation correcting mechanism and a programmable logic controller (PLC); positive rotation or negative rotation of left and right motor shafts is controlled by the PLC; the compression joint surfaces of compression joint plates in a compression assembly are opposite, and the compression joint plates are connected with pistons of two compression joint cylinders respectively; two sets of cutting assemblies have the same structure and are distributed opposite, transition wheels in the cutting assemblies are connected with the upper parts of an inner swing arm and an outer swing arm through transition wheel axles, and the lower ends of the inner swing arm and the outer swing arm are connected with a main shaft through a bearing respectively and can be outwards turned, opened and reset; two ends of a serrated cutter are positioned on the shaft seats of the inner swing arm and the outer swing arm and positioned below the transition wheels; one end of a cutting cylinder is sleeved on a positioning rod, and the other end of the cutting cylinder is hinged with a cutter shaft through a connector and drives the serrated cutter to extend or reset; a compression plate is positioned above the transition wheels and connected with the piston of a compression cylinder through a top plate; and the compression cylinder drives the compression plate to extend or reset.

A raw garbage treatment apparatus including a treatment tank 10, a rotating shaft 32 which rises in an upright attitude from the center of the bottom of the treatment tank, a motor 36 which rotates the rotating shaft from beneath the treatment tank, a plurality of rotating blades 58 which have cutting vanes 58A that extend outward with the rotating shaft as the center and which are provided on the rotating shaft at intervals from each other, a plurality of fixed blades 60 through which the rotating shaft rotatably passes and which form a main cutter A together with the rotating blades, and a supporting frame 38 which has vertical plates 40 that hold the outer end portions of the fixed blades and whose upper end is fastened to the upper portion of the inside of the treatment tank.

The invention discloses a multistage juice and peel separating device for passion fruits. The separating device includes a feeding mechanism, main shaft power mechanisms, grab bucket mechanisms, a linear cutting mechanism, juice separation mechanisms, spongy layer separation mechanisms, popup mechanisms, a push-in roller mechanism and a peel separation mechanism; the feeding mechanism is installedat the upper part on the rear side of a supporting platform; the two main shaft power mechanisms are symmetrically arranged on the supporting platform; four grab bucket mechanisms in circumferentialuniform distribution are installed on each main shaft power mechanism in a radial direction; the grab bucket mechanisms are provided with openings corresponding to the supporting platform; the linearcutting mechanism is installed on the rear side of the supporting platform; the two juice separation mechanisms are symmetrically installed at the lower parts of the openings; the two spongy layer separation mechanisms are symmetrically installed on the two sides of the supporting platform; the popup mechanisms are installed at the rear parts of the grab bucket mechanisms; the push-in roller mechanism is installed in front of the grab bucket mechanisms; and the peel separation mechanism is installed at the lower part of the discharging port of the push-in roller mechanism. Thus, the multistageprocessing of the juice and peels of the passion fruits can be realized, processing can be automated, so that the separating device is time saving and labor saving.

The invention discloses an underwater cutting releasing mechanism which mainly comprises a guide sheet, a cutting knife cavity, a baffle ring, a cutting knife, breakable pins, a piston-type pull pin, a basal body, an igniter, pressure rings, a communication cable, a watertight joint, a sealing cushion, a gasket, protective sleeves, a screw, a communication floater, and the like. The underwater cutting releasing mechanism is characterized in that the appearance is in a cylindrical structure with a smooth surface; one side of the basal body is provided with a TT-shaped groove, a hole in the vertical surface of the TT-shaped groove is sequentially provided with the piston-type pull pin, the cutting knife, the protective sleeve, the communication cable, the baffle ring, the cutting knife cavity and relative sealing rings, and a hole in the horizontal surface of the TT-shaped groove is sequentially provided with the watertight joint, a sealing ring, the gasket, the protective sleeves and the pressure rings; and a passage structure is formed at the bottom edge of the basal body from a gas passage start in the mounting position of the igniter to a gas passage end in the position of the piston-type pull pin.

The invention relates to a web guiding device for a fiber web machine. The web guiding device is provided with a guiding surface (10), and each guiding blowing device (11) used for conveying a guiding belt (12) is aligned with the guide surface (10). The device is arranged to be, between two mutually succeeding guiding blowing devices (11), the deflection angle beta between guiding belt moving directions defined by a stop position (15) formed via a second blowing position (14) and the average moving direction of the guiding belt (12) on a first blowing position (13) of the guiding belt (12) is 10DEG -70 DEG, preferably 30 DEG -60 DEG. The invention also relates to a guiding belt separation device for a fibrous web machine.