66results about "Geometric arrangements" patented technology

A cold hearth melting and refining arrangement for reactive or refractory metals utilizes an electron beam to automatically clean the perimeter of the pool of molten material in the hearth. A programmable logic controller is used to sweep the electron beam along at least a portion of the perimeter. The electron beam delivers energy to remelt or reevaporate volatile impurities that evaporate from the pool of molten material and redeposit on the perimeter.

In a method for robot-controlled cutting of workpieces to be joined by laser radiation, a first workpiece is arranged in vicinity of a second workpiece in a first position. A laser is focused onto the first workpiece. A contour of the first workpiece is cut with the laser beam; this contour is to be assembled and joined with the second workpiece. During cutting, a first spacing of a focal point of the laser beam from the second workpiece is repeatedly determined in a distance direction that is identically oriented during cutting and is adjusted to a direction of assembling the first and second workpieces. During cutting, a second spacing of a processing point of the laser beam from the second workpiece is maintained at a constant value.

The invention relates to a method for processing the blades of injection propulsion unit, wherein it controls the process allowance of casting element, to improve the check and machine on each shaping surface of blade 2; it uses ultrasonic wave detector to detect the wall thickness of oil hole 25, improve the accuracy of curvature of blade 2 in double-phase stainless blade 1, and the control ability of blade 2; the processing accuracy of long lubricant hole of blade 2 is improved, to improve the process efficiency and accuracy of blades 1, 2. The invention's quality can reach international standard.

The invention relates to a method and a device (1) for joining workpieces (3, 5) by means of a laser beam (7), the device (1) comprising: a scanning optical system (9) for guiding the laser beam (7); a pressing element (13, 15, 21, 33), which is pressed onto at least one of the workpieces (3, 5) in a pressing direction in order to fix the workpieces (3, 5) during the joining process; and a housing (11), which encloses the scanning optical system (9) and the laser beam (7) extending from the scanning optical system (9) to the workpieces (3, 5). The pressing element (13, 15, 21, 23) forms part of the housing (11) and is movable relative to the remainder of the housing (11) with at least one degree of freedom.

A warp stable wood product and methods for detecting the same are provided. The wood product may be sorted based on its morphology, microstructure, macrostructure, and/or chemical composition properties being substantially symmetric relative to at least one or more cross-sectional centroids of the wood product, thereby imparting warp stability.

A jig apparatus that allows one to cut arches in a work piece quickly and efficiently. It is comprised of a bar that has sliding adjustable clamps that secure a cable which go around pulleys on a router or other cutting device that when the cable is pulled taut, creates a path for the router or other cutting device to follow while it cuts thus cutting an arch into the work piece. Prior to this apparatus one would have to cut this arch with a template which had been previously tooled. This jig apparatus creates a template and cut all in one step.

The invention relates to a fixture assisting an ordinary gear hobbing machine in machining an arc-shaped gear. The fixture assisting the ordinary gear hobbing machine in machining the arc-shaped gear comprises a positioning device, a rail device, a hand wheel adjusting device, a profiling device, an idler wheel device and a tension device, wherein the positioning device fixes a gear blank on a working platform of the gear hobbing machine, the rail device is embedded in the positioning device, the hand wheel adjusting device is simultaneously and fixedly connected with one side, away from an idler wheel, of the positioning device and one side, away from the idler wheel, of the rail device, the hand wheel adjusting device can control the rail device to slide back and forth along the connecting line of the center of a gear and the center of a hob, the profiling device is fixedly connected with one side, close to the hob, of the rail device, the idler wheel device is fixedly connected with a knife rest of the hob and can move in the axial direction of the gear along with the knife rest of the hob, and the tension device is connected with the working platform of the gear hobbing machine in a threaded mode. The tension device always pulls and presses the profiling device on the idler wheel device, and a section of working surface which is in the axial direction of the gear and completely in line with a gear bus is arranged on one face, making contact with the idler wheel device, of the profiling device so that the gear can move in the radial direction of the gear relative to the hob.

A swing arm has a fixture at one end for mounting a hand tool, and a longitudinally-extending channel including a slot. An elongate slider member is engaged in the channel, and includes a point offset longitudinally from center of the slider member for engagement with a workpiece to define a center about which the swing arm is rotated. A fastener having a head and threaded shank is retained in a recess such that the shank extends through the slot. A threaded knob is engaged with the shank for clamping the slider member in position, and a handle connected to and captively retained with the knob is free to rotate about a handle axis.

The invention discloses a locally induced attached rotary ultrasonic head based on a machine tool. The locally induced attached rotary ultrasonic head based on the machine tool comprises a hilt, wherein the hilt is connected with an ultrasonic vibration working device; a non-contact type current collecting ring sleeves the hilt; the rotary axis of the ultrasonic vibration working device, the rotary axis of the hilt and the rotary axis of the current collecting ring are positioned on the same straight line; the non-contact type current collecting ring comprises a main side magnetic core and a secondary side magnetic core; the main side magnetic core consists of an arc-shaped or rectangular permeability magnetic material; the secondary side magnetic core consists of an annular permeability magnetic material; the main side magnetic core and the secondary side magnetic core are coaxial; coils are respectively wound on the main side magnetic core and the secondary side magnetic core; the main side magnetic core is connected with a body of the machine tool through a connecting device; and the secondary side magnetic core sleeves the hilt fixedly. The structure of the attached rotary ultrasonic head is simplified, abrasion and energy loss of parts in a rotary ultrasonic machining process are reduced, and the working reliability of the locally induced attached rotary ultrasonic head is improved. Owing to transmission of locally induced non-contact energy, knives are changed simply, and change of the knives can be controlled automatically.

The screw has two or three non-circular super-imposed recesses. The depth of each recess is less than 1.2 mm and there is a less than 1° of draw in each recess. The screw head recess is formed using a punch (10) in a cold-heading process. The punch is formed in a profilating CNC machine, cutting the profiles (12, 14, 16) of the punch to a tolerance of better than ±0.025 mm. A method of manufacture of a cold-forming punch for such a screw comprises providing a profilating head as one of the tools on a turret mounted adjacent the chuck in the CNC machine. The profilating head has several cutting elements, each being adjustable with respect to one another: axially, radially and angularly.

A method for machining a workpiece, includes: rotating a rotary tool around a rotation axis, the rotary tool including at least one edge positioned on an outer periphery of the rotary tool around the rotation axis; relatively moving the rotary tool toward the workpiece in a first direction so that the at least one edge cuts the workpiece by a predetermined depth while the rotary tool is rotated around the rotation axis; and relatively moving the rotary tool with respect to the workpiece in a second direction that is substantially perpendicular to the first direction and that is inclined to a third direction substantially perpendicular to the rotation axis and the first direction.

The invention discloses a numerical control square lathe and relates to the technical field of mechanical processing equipment. The numerical control square lathe comprises a lathe body, a fixed seat,a movable seat, a first movable mechanism, a fixed frame, a second movable mechanism, a fly cutter disc and a square power head, wherein the fixed seat is arranged in a right-angle trapezoid shape and is fixed on the top of the lathe body; the first movable mechanism is embedded in the inclined surface of the fixed seat; the fly cutter disc is fixed at the power output end of the square power head; the second movable mechanism is embedded in the upper surface of the movable seat so that the fixed frame can reciprocate vertically along the upper surface of the movable seat; the fly cutter disc, the square power head and the first movable mechanism are all parallel to the inclined surface; the left end of the fixed seat is also fixed with a connecting frame, a driving motor is fixed on theconnecting frame, and a chuck is fixed at the power output end of the driving motor. The lathe can turn a workpiece into any shape, is multifunctional and has high square surface accuracy.

The invention relates to a lathe (1), wherein the work piece (16) to be lathed with a tool (18) is clamped with the longitudinal axis of the work piece parallel to the rotational axis (29) of the rotating clamping device (15) such that the rotational axis (29) does not intersect the work piece (16), and that between two machining steps of the machining process by lathing, the position of the work piece (16) in the clamping device (15) is changed such that surface areas (30, 36) not previously machined are moved into the working area of the tool (18).

The invention discloses a manufacturing method of a superpositioning cutter handle adjusting gasket. The method comprises the following steps that firstly, a plurality of gasket bodies with the corresponding thicknesses are manufactured according to the theoretical thickness design values respectively; secondly, the needed thickness value of the adjusting gasket is determined according to the measurement value of the gap between the end face of a positioning cutter handle and the end face of a machine tool main shaft, and at least two of the gasket bodies obtained in the first step are combined to form the adjusting gasket with the needed thickness value. According to the method, multiple adjusting gaskets with different needed thicknesses can be manufactured through the limited number of gasket bodies, the manufacturing speed is high, the number of the needed gasket bodies is small, gasket management is facilitated, and cost is low.

The invention discloses a processing device of a lateral arc forming machine for a large arc gate panel, belonging to the technical field of arc gate body processing. The processing device comprises an arc track and a tool hinged seat, wherein a travelling trolley capable of placing an arc gate body is arranged on the arc track; a movable plane miller is arranged on the outer side of an outer arc of the arc track; a milling head cutter of the movable plane miller is vertical to the arc gate body; an arc gate supporting arm capable of being connected with the arc gate body is arranged on the inner side of an inner arc of the arc track; the arc gate supporting arm is hinged on the tool hinged seat; a hydraulic control system for driving the travelling trolley to run is arranged in the travelling trolley; the arc gate body can run along the arc track by taking the tool hinged seat as a center on the travelling trolley. According to the processing device, the technical problem that the large arc gate panel is processed in the absence of a numerical control boring and milling machine is solved and the safety risk of high-altitude operation of a vertical tool and the high input of the numerical control boring and milling machine can be avoided.

The invention provides an expanding rod hanging-up mechanism and an air conditioner machining device with the same. The expanding rod hanging-up mechanism comprises a hanging-up part. The hanging-up part is provided with a containing part for containing an expanding rod, the containing part is provided with a first placement position for allowing the expanding rod to penetrate in the first direction, and the containing part is provided with a second placement position for allowing the expanding rod to be rotated at the first placement position and then placed in the containing part. Due to the arrangement of the expanding rod hanging-up mechanism, after one end of the expanding rod not meeting a condenser or evaporator type penetrates the containing part of the hanging-up part in the first direction, the expanding rod is rotated in the circumferential direction of the expanding rod, and the expanding rod is located at the second containing position of the containing part, in other words, the expanding rod is hung on the hanging-up part through the containing part at the moment. By means of the arrangement, the step that expanding rods not meeting type requirements are taken down and stacked is avoided, the installation time of the expanding rod is effectively saved, and the machining efficiency of the air conditioner machining device is improved.

An elliptically moving mechanism includes: a track disc formed with two tracks, the two tracks perpendicularly intersecting each other; a transmission ring rotatably fitted around a circumference of the track disc; a rocking arm positioned under the track disc; and two slide members disposed on a top face of the rocking arm. The rocking arm is connected to the two tracks via the two slide members. The two slide members are slidable along the two tracks respectively. When the transmission ring is rotated, the rocking arm is driven by the transmission ring to move in an elliptical path. The elliptically moving mechanism is easy to manufacture and assemble and has a small volume and is lightweight. Moreover, the mechanism provides different elliptical paths of different sizes.