Abstract: Provided are a jet solder bath and a jet soldering apparatus using the jet solder bath. The jet solder bath contains first and second jet nozzles which inject molten solder by first and second pumps and a bridge member arranged between the first and second jet nozzles. The bridge member includes a guide portion that guides at least one of flows of the molten solder injected from the first jet nozzle and flowing on the downstream side of the first jet nozzle and of the molten solder injected from the second jet nozzle and flowing on an upstream side of the second jet nozzle, and side members which controls the flow of the molten solder, the side members being arranged near opposite ends of the guide portion across a direction that is perpendicular to the carrying direction of the substrate.

Abstract: Arc saw blades and systems and methods for segmenting components utilizing improved arc saw blades.

Abstract: Provided is a welding robot mechanism that has: a welding robot having a touch sensing function; a welding power source for supplying welding power to the welding robot; and a control unit for controlling the welding robot, wherein the welding power source has a welding power source communication unit that receives detection signals with regard to control of the welding robot and the touch sensing, and transmits the detection signals outward. The control unit is linked to the welding power source communication unit via a serial bus communication wire. The detection signals comprise a mass of data including a detection data group designated as a first group and a detection data group designated as a second group, and is configured to read the detection data group designated as the first group in a shorter cycle than that for the detection data group designated as the second group. The detection data group designated as the first group includes a detection signal obtained by the touch sensing.

Abstract: Embodiments of a welding power supply include an engine adapted to drive a generator to produce a first power and a energy storage device adapted to discharge energy to produce a second power. The welding power supply also includes control circuitry adapted to detect a commanded output. The control circuitry is adapted to meet the commanded output by controlling access to power from the energy storage device to produce the second power when the commanded output is below a first predetermined load level. The control circuitry is further adapted to meet the commanded output by controlling access to power from the engine and the energy storage device to produce the first power and the second power when the commanded output is above a second predetermined load level.

Abstract: A power supply system includes multiple power supply devices connected in common to a load. A first power supply device calculates control information for controlling voltage or current to be output to the load and controls the output to the load based on the calculated control information while transmitting the control information to a second power supply device. The second power supply device receives the control information transmitted from the first power supply device and control the output to the load based on the received control information while detecting current to be output from its own device to the load and transmitting current information to the first power supply device. The first power supply device receives the current information transmitted from the second power supply device and calculate control information based on the received current information and the current and voltage detected by its own device.

Abstract: A wire feeder device for feeding a welding wire in a feeding direction is disclosed. The wire feeder device includes one or more roller chains and a plurality of first and second gripper members. The gripper members are movable from an open position to a closed position to contact and grip the welding wire. In use, the first and second gripper members are longitudinally movable with the roller chain(s) so that the welding wire is pulled along a substantially linear path. The first and second gripper members may be orientated in a vertical (i.e., coplanar) orientation or a horizontal, lateral orientation. The gripper members may include a built-in centering function to center a position of the welding wire.

Abstract: A method for welding austenitic stainless steel sheets, in which welding defects do not easily occur. Austenitic stainless steel sheets each with a sheet thickness of 0.6 to 1.0 mm, which each contain, in terms of mass %, 0.08% or less of C, 1.5 to 4.0% of Si, 2.0% or less of Mn, 0.04% or less of P, 0.01% or less of S, 16.0 to 22.0% of Cr, 10.0 to 14.0% of Ni, and 0.08% or less of N, and contain at least one of Nb and Ti in an amount of 1.0% or less in total, with the rest including Fe and inevitable impurities, are overlapped and the overlapped portion is welded by arc welding. In addition, the back side of a deposited portion is cooled from 1200° C. to 900° C. at a cooling rate of 110° C./sec or higher.

Abstract: An arc welding apparatus includes a conductor tube assembly that has a collar assembly with a collar body that is biased by a spring. A consumable assembly is mechanically secured to the conductor tube and displaces the collar body and the collar body imparts a biasing force against the consumable assembly pretensioning the consumable assembly on the conductor tube assembly.

Abstract: A method of making an integrally bladed rotor is disclosed. The method includes providing a rotor disk comprising a radially outer rim surface that includes a recessed area thereon. A blade having an airfoil and a base is positioned such that a base surface is in contact with the recessed area with a gap between the base surface and the recessed area at a perimeter of the recessed area. Heat, pressure, and motion between the blade and the rotor disk are applied to friction weld the base surface to the recessed area.

Abstract: A joining method for joining a first metal member with a second metal member with use of a rotary tool having a stirring pin is provided. The joining method includes steps of: butting the first metal member with the second metal member to form a butted portion; arranging an auxiliary member to be in surface-contact with the first metal member or the second metal member; and frictional stirring the butted portion in which the rotating stirring pin is inserted from a front surface of the auxiliary member and the rotary tool is relatively moved in the butted portion to join the first metal member, the second metal member and the auxiliary member, in the state that only the stirring pin is brought in contact with the first metal member, the second metal member and the auxiliary member.

Abstract: A laser processing apparatus that performs laser processing on an object to be processed by irradiating the object with laser light along a line to process includes a support table, a laser light source, a converging unit, a moving unit, an actuator, a displacement sensor, a temperature sensor, and a control unit. The control unit calculates the amount of driving of a converging unit that is performed by the actuator on the basis of a displacement of an incidence surface measured by the displacement sensor and a temperature of the converging unit detected by the temperature sensor, and controls the actuator such that the converging unit is driven according to the amount of driving when the moving unit relatively moves a converging point.

Abstract: A method includes projecting energy onto an annular edge of a glass substrate. The annular edge includes a first roughness. The first roughness is reduced to a second roughness with the energy. The energy reduces the first roughness without changing a roundness of the annular edge of the glass substrate.

Abstract: A process is disclosed for controlling the length of chips or shavings on materials that is inherent to produce long undesired chips when machined. Based on the work piece configuration and surface area to machine a determined outlay and process application for a continuous scribe or arrangements of different scribe pattern or patterns for the part and or surface is selected to provide optimal chip control during the machining operation. Engineered Interruptions are applied to the work object prior to the machining operation to maximize optimal chip control. Controlling the depth of scribe of the laser is accomplished and managed through the interface of hardware, software and electronics.

Abstract: A laser alignment system is used to align an output fiber with a fiber laser, for example, when coupling a feeding fiber to a process fiber using a beam coupler or switch. The alignment system includes a laser alignment apparatus that is coupled at a first end to the output fiber and at a second end to a beam dump/power meter. The alignment apparatus defines a light passage and a light capture chamber along the light passage. When light is not aligned into the core of the output fiber, at least a portion of the light passing out of the output fiber will be captured by the light capture chamber and detected by a photodetector in optical communication with the light capture chamber. By monitoring the readings of the photodetector, the output fiber may be properly aligned with the laser light from the fiber laser.

Abstract: An apparatus includes a beam splitter and a plurality of mirrors. The beam splitter is positioned to receive a laser beam from a source and split the received laser beam to a first plurality of split laser beams and a second plurality of split laser beams. The plurality of mirrors is configured to direct the first plurality of split laser beams and further configured to direct the second plurality of split laser beams. The first plurality of split laser beams is directed by the plurality of mirrors is configured to cut a glass substrate. The second plurality of split laser beams is directed by the plurality of mirrors is configured to shape the glass substrate.

Abstract: A laser light irradiation device includes a laser light source, a spatial light modulator, a controller, an objective lens, and an intensity distribution acquisition unit. The laser light source generates laser light. The spatial light modulator includes a display unit configured to display a phase pattern, allows the laser light to enter the display unit, and modulates the laser light in accordance with the phase pattern to emit the laser light. The controller controls the phase pattern to be displayed. The objective lens converges the laser light emitted from the spatial light modulator at the object. The intensity distribution acquisition unit acquires an intensity distribution of the laser light emitted from the spatial light modulator and entering the objective lens. The controller displays, on the display unit, the phase pattern including a marking configured to modulate part, in the laser light, not entering a pupil plane of the objective lens.

Abstract: The present invention relates to an apparatus and a method for thermal processing within a processing region (1) at a workpiece surface (2) by means of a laser beam (6) emitted by at least one radiation source (5). Arranged in the beam path of the laser beam (6) between the at least one radiation source (5) and the processing region (1) on the workpiece surface (2), there is at least one element (10, 11, 12) by means of which the intensity of the laser beam (6) is modifiable in a locally defined manner within the processing region (1). As an alternative or in addition thereto, the intensity of at least one of the laser beams (6) is modifiable in a locally defined manner within the processing region (1) by a defined actuation of the plurality of radiation sources (5) such that a locally defined distribution of the intensity of the laser beam (6) striking the workpiece surface (2) is achievable within the processing region (1).

Abstract: A laser beam directed is moved relative to a workpiece to weld along a weld seam and form a weld pool in the area surrounding the laser beam. The weld pool has a characteristic oscillation frequency fco, and a laser power is modulated with a modulation frequency f and a modulation amplitude ?=1?Pmin/Pmax, where Pmin is minimal and Pmax is maximal laser power during a modulation period. For a normalized characteristic oscillation frequency ?co and a normalized modulation frequency ?, ??2.2*?co, with ?=f·df/?, where ? is the feed rate of the laser beam, and df is diameter of a beam focal spot. Also, ?co=f,cotest·df,cotest/vcotest, where fcotest is a measured characteristic oscillation frequency, df,cotest the diameter of the beam focal spot, and vcotest is the feed rate of laser beam, all during a test measurement without modulation of the laser power.

Abstract: Aspects of the disclosure are directed to processing a component. A first coating is removed from a substrate of the component, the substrate including a first hole. Subsequent to removing the first coating from the substrate, a second coating is applied to the substrate, where a portion of the second coating at least partially blocks the first hole. Subsequent to applying the second coating to the substrate, the portion of the second coating is removed to generate a second hole through the second coating. The removal of the portion of the second coating creates a bore in the second coating that provides a clearance from an edge of the first hole on a surface of the substrate that interfaces to the second coating.

Abstract: A method for manufacturing a member having a through hole includes a primary formation step, an intensity determination step, a laser modulation step, and a secondary formation step. The primary formation step includes radiating a laser beam to a workpiece member to form a pilot hole having a smaller inner diameter than the through hole while receiving light from the workpiece member at a light detection unit. The intensity determination step includes determining whether a light intensity is equal to or less than a predetermined threshold value. The laser modulation step includes modulating a spatial light phase of the laser beam the intensity of the light is equal to or less than the predetermined threshold value. The secondary formation step includes radiating the laser beam having the modulated spatial light phase to a peripheral part of the pilot hole to form the through hole.

Abstract: A beam homogenizer for surface modification comprises: a first lens array configured to split a laser beam, irradiated from a laser beam irradiation unit, into a plurality of beamlets; a second lens array configured to transmit the plurality of beamlets and comprising a plurality of lenslets corresponding to the first lens array; and a focusing lens configured to focus the plurality of beamlets, transmitted through the second lens array, onto a surface of a target. The beam homogenizer further comprises: a plasma generation-preventing unit disposed between the first and second lens arrays and configured to prevent plasma from being generated in the focal zone of the beamlets; or a damage-preventing unit disposed between the focusing lens and the target and configured to prevent the focusing lens from being damaged by energy generated when the plurality of beamlets is irradiated onto the target.

Abstract: An apparatus, system and method for micro welding, wherein insulated object, such as a wire, that includes a metallic conductor that is at least partially covered by one or more layers of insulation, is positioned across a termination point. A laser beam may be applied to an area of the insulated object overlapping the termination point, wherein the applied laser beam is configured to substantially simultaneously (i) ablate the one or more layers of insulation in a first region of the area, (ii) weld the metallic conductor to the termination point in a second region of the area, and (iii) detach a portion of the object from the termination point in a third region of the area.

Abstract: A part, such as an automotive part, is provided. The part includes at least two work pieces of steel which are joined together at a weld seam which includes at least one of nickel and iron and is substantially entirely free of silicate islands. The part also includes a painted, phosphated or electrocoated coating which is bonded with at least a portion of the substantially entirely silicate island free weld seam.

Abstract: A method of manufacturing an object by additive manufacturing is provided. The method includes lowering a build platform having a given layer of build material to powder provided on a window. The powder is irradiated to form a subsequent layer that corresponds to the given layer. The method then includes solidifying the subsequent layer, and raising the build platform and the subsequent layer away from the window. The steps are repeated until the desired object is formed.

Abstract: A method of forming a crack-free aluminum alloy structure using additive manufacturing is presented. A powder bed of precursor aluminum alloy powder is heated. The crack-free aluminum alloy structure is formed within a laser powder bed fusion system encompassing the powder bed during heating.

Abstract: A strengthening laser device of the present disclosure may freely move on both sides of a workpiece, so that a correcting laser device and the strengthening laser device are distributed on the same side or both sides of the workpiece. The correcting laser device performs a correcting procedure, and the strengthening laser device performs a strengthening procedure. An online monitoring system monitors the surface performance, a shape and a size of the workpiece. A real-time tracking feedback system feeds back the data monitored by the online monitoring system to a correcting laser device power adjustment apparatus and a strengthening laser device power adjustment apparatus for automatic compensation, so that a synergetic influence caused by synchronous correcting and strengthening for the workpiece is eliminated. The surface accuracy of the workpiece is improved, and the machining efficiency is increased to a large extent at the same time.

Abstract: A laser processing apparatus for processing a wafer along projected dicing lines with a laser beam has a laser oscillator, a polygon mirror having a plurality of reflecting surfaces and rotatable about a central axis thereof, and an f? lens for focusing the beam reflected by the reflecting surfaces of the polygon mirror and applying the focused beam to the wafer. The reflecting surfaces of the polygon mirror include a zero-gradient reflecting surface lying at a zero gradient parallel to the central axis, a positive-gradient reflecting surface that is inclined at a positive gradient from the zero gradient, and a negative-gradient reflecting surface that is inclined at a negative gradient from the zero gradient. The polygon mirror swings the laser beam in a direction perpendicular to a processing feed direction within the width of each of the projected dicing lines and in the processing feed direction.

Abstract: Methods for forming a hole in a coated component are provided. The method may include forming a sacrificial layer over a ceramic barrier coating of a substrate, drilling a hole into the coated component such that any spatter formed during drilling deposits onto the sacrificial layer, and removing the sacrificial layer along with the spatter deposited thereon. The sacrificial layer may include a rare earth oxide (e.g., rare earth oxide particles). Intermediate ceramic matrix composite (CMC) component are also provided. The intermediate CMC may include a CMC body, an environmental barrier coating on the bond coating, and a sacrificial layer on the environmental barrier coating, with the sacrificial layer including particles of a rare earth oxide dispersed in a polymeric matrix.

Abstract: A silicon wafer forming method includes: a block ingot forming step of cutting a silicon ingot to form block ingots; a planarizing step of grinding an end face of the block ingot to planarize the end face; a separation layer forming step of applying a laser beam of such a wavelength as to be transmitted through silicon to the block ingot, with a focal point of the laser beam positioned in the inside of the block ingot at a depth from the end face of the block ingot corresponding to the thickness of the wafer to be formed, to form a separation layer; and a wafer forming step of separating the silicon wafer to be formed from the separation layer.

Abstract: An Ni-based alloy solid wire for welding has a composition comprising specific amounts of Cr, Ti, Nb, C, S, Mn and Fe, where Mo+W, P, Si, Al, Ca, B, Mg, Zr, Co, O, H, and N are controlled to specific amounts, ([Ti]+[Nb])/[C] is 80 to 150, and the balance is Ni and inevitable impurities. [Ti], [Nb], and [C] represent the contents of Ti, Nb, and C (mass %), respectively.

Abstract: The present disclosure provides a free flowing potassium aluminum fluoride (KAlF4) flux agent (e.g., for plasma flux applications), having improved properties such as a more spherical morphology that is resistant to caking. The potassium aluminum fluoride (KAlF4) flux agent is rendered free flowing due to the starting temperature and rate of addition of potassium hydroxide when producing KAlF4.

Abstract: Flowable brazing compositions and methods of brazing metal articles together using the same are provided herein. In an embodiment, a flowable brazing composition includes a non-polymeric carrier medium and flux-coated particles. The carrier medium includes at least one polar organic solvent and is liquid at ambient temperature. The flux-coated particles include a braze material core and a flux coating disposed on the core. The braze material core includes different material from the flux coating. The flowable brazing composition has less than or equal to about 1.5 weight % of polymeric binder components, based upon a total weight of the flowable brazing composition.

Abstract: A weld clad layer having a substantially equiaxed grain microstructure may be formed by forming a repair area in a substrate, depositing a first layer of laser deposition spots in the repair area, and depositing a second layer of laser deposition spots over the first layer of laser deposition spots. The first layer of laser deposition spots may comprise a first laser deposition spot and a second laser deposition spot adjacent to the first laser deposition spot. The first laser deposition spot may solidify prior to deposition of the second laser deposition spot. The first layer of laser deposition spots may comprise titanium or titanium alloy.

Abstract: A jig for machining portions a firearm lower receiver blank. The jig can include a side plate assembled with a top plate. The top plate can include an access aperture for machining the fire control group aperture within the blank. The side plate can include drill apertures for drilling out trigger, hammer, and selector holes. The jig can include an adjustable alignment mechanism for aligning a top surface of the blank with the top plate. The jig can include a hand drill stabilizer for attachment with the side plates.

Abstract: A method for manufacturing a heat exchanger structure includes additively forming a top layer of a header after disposing a corrugated core within the header to retain the corrugated core within the header. Additively forming the top layer can include filling the corrugated core with powder until a suitable layer of powder overlays the corrugated core and the header and sintering the powder to form the top layer of the header.

Abstract: The invention is based on the technical problem of improving the pressing in of large press fittings, said problem being solved by a device for transmitting a mechanical force for driving a pressing device for press fittings, having a storage container (4) for hydraulic fluid, having a pump cylinder (8), having a working cylinder (12), having a first line (14) for connecting the storage container (4) to the pump cylinder (8), having a second line (16) for connecting the pump cylinder (8) to the working cylinder (12), and having a third line (18) for connecting the working cylinder (12) to the storage container (4), wherein means (20) for preventing a return flow into the storage container (4) are provided in the first line (14), wherein means (22) for preventing a return flow into the pump cylinder (8) are provided in the second line (16), wherein switching means (24) for opening and closing the third line (18) are provided, and wherein the swept volume (VA) of the working cylinder (12) is configured to be gr

Abstract: A pivot unit includes a housing and a drive motor moveably connected to the housing. The drive motor includes a cylinder housing at least partially defining a cylinder bore. A piston is disposed within the cylinder bore. A first piston rod has a proximal end attached to a first side of the piston and a distal end attached to the housing. The cylinder housing is moveable along the first piston rod relative to the piston and the housing between a first cylinder housing position and a second cylinder housing position. A drive linkage is fixedly attached to the cylinder housing for concurrent movement with the cylinder housing relative to the piston and the housing.

Abstract: A device for the machining of curved laminar surfaces, having a first part including a tool for machining the concave face of the surface, and first pressure device in contact with the concave face of the surface, a second part including second pressure device in contact with the convex face of the surface, and devices synchronizing the movements of the first and second parts is provided. The tool has a circular shape for the radial machining of the concave face, and the first pressure device has at least one disc parallel to the tool, the tool and disc disposed on a rotary shaft and both having a radius equal to or less than the radius of curvature of the concave face.

Abstract: The invention relates to a method for the cutting processing of a panel-type material in a machine which comprises a processing station in a machine base frame, and the processing station is assigned a loading and unloading station. The panel-type material is laid on a pallet which is movable between the processing station and the loading and unloading station, and the pallet is moved into the processing station for subsequent processing and is positioned on a pallet carrier of the machine base frame for the subsequent processing of the panel-type material, wherein, before the start of the processing process of the panel-type material by the processing unit, the pallet is lifted from the pallet carrier by an air spring device and is positioned in a manner decoupled from the pallet carrier, and after the processing process of the panel-type material, the pallet is coupled to the pallet carrier.

Abstract: A machining swarf detection apparatus that detects presence or absence of machining swarf in a machining chamber of a machine tool includes an illumination unit that illuminates line laser light onto a detection area in the machining chamber, an imaging unit that images the detection area and acquires an image as an inspection image, and an image processor (controller) that detects the presence or absence of the machining swarf based on an image of the line laser light imaged in the inspection image.

Abstract: Various embodiments relate to a blasting ring for blasting a weld on a pipe, including: a ring structure with a first pivot point and a latch, wherein the first pivot point allows the ring structure to open and close around the pipe and the latch is configured to secure the ring to the pipe; a plurality of rollers attached to the ring structure configured to engage the pipe; a cleaner brush attached to the ring structure configured to rotate and engage the weld on the pipe to clean the weld; and a profile brush attached to the ring structure configured to rotate and engage the weld on the pipe to profile the weld. Further, the blasting ring and a heating ring may be used to finish the weld on a pipe.

Abstract: An air file has a body, a fastening member, and a driving assembly. The body has a handle and a front cover connected to the handle. The fastening member is swingably assembled to the front cover and has a pivoting end and a connecting end. The pivoting end of the fastening member is inserted inside the front cover. The connecting end of the fastening member extends out of the front cover. The driving assembly is mounted inside the body and has an eccentric shaft and a swinging unit. The eccentric shaft is connected to a driving device and has an eccentric hole facing to the front cover. The swinging unit has a pivoting portion and a ball joint. The pivoting portion is pivotally connected to the pivoting end of the fastening member. The ball joint is engaged in the eccentric hole of the eccentric shaft.

Abstract: The present disclosure relates to a cutting machine comprising a rotating cutting wheel for performing separating cuts in a workpiece, and also relates to a workpiece positioning device for such a cutting machine. The cutting machine comprises a cutting wheel and a drive motor for driving the cutting wheel, a clamping means for clamping the workpiece, means for mechanically positioning the workpiece along one or two translational directions and additionally about one or two rotation axes, and a lifting mechanism for setting the cutting wheel on the workpiece to perform separating cuts in the positioned workpiece using the cutting wheel.

Abstract: A honing machine (100) for carrying out honing operations on boreholes, oriented orthogonally with respect to one another, in a workpiece (102), in particular for honing processing of cylinder boreholes and a bearing gate borehole in a cylinder crank casing, comprises a machine base (110) and a round table (130) which is arranged on the machine base and which can rotate about a vertical round table axis (134) and has a plurality of workpiece receptacles which are arranged offset with respect to one another in a circumferential direction at a radial distance from the round table axis, in such a way that a workpiece which is held in a workpiece receptacle can be transported successively to different workstations (140, 150, 160, 170) of the honing machine by rotating the round table.

Abstract: A substrate processing apparatus has a polishing table configured to have a polishing surface, a polishing liquid supply nozzle that supplies slurry to a slurry supply position set on the polishing table, a top ring that presses a substrate against the polishing surface of the polishing table at a polishing position set on the polishing table on a downstream side from the slurry supply position in a rotation direction of the polishing table, and a slurry returning bar 28 that is disposed at a predetermined gap from the polishing surface and extends from an outer peripheral portion of the polishing table to a central portion at a specified position on the polishing table on a downstream side from the polishing position in the rotation direction of the polishing table.

Abstract: Embodiments of the present disclosure provide for abrasive delivery (AD) polishing pads and manufacturing methods thereof. In one embodiment, a method of forming a polishing article includes forming a sub-polishing element from a first curable resin precursor composition and forming a plurality of polishing elements extending from the sub-polishing element. Forming the plurality of polishing elements includes forming a continuous polymer phase from a second curable resin precursor composition and forming a plurality of discontinuous abrasive delivery features disposed within the continuous polymer phase. The sub-polishing element is formed by dispensing a first plurality of droplets of the first curable resin precursor composition. The plurality polishing elements are formed by dispensing a second plurality of droplets of the second curable resin precursor composition.

Abstract: A clamping device for axially clamping a disk-shaped tool on a flange of a spindle of a machine tool, includes a clamping disk which rests against the tool in a friction-fitting manner in the clamped state, a screw which is screwed into a threaded receiving opening in an end face of the spindle, an operating element which is connected to the screw in a rotationally fixed manner, and a first securing element which interacts with a corresponding second securing element provided on a flange such that when the screw is at least partly introduced into the receiving opening, the clamping disk is rotationally secured to the flange in a form-fitting manner, where the clamping disk can be rotated relative to the screw and the operating element. The first securing element can be rotated relative to the screw and is mounted in a rotationally fixed manner relative to the clamping disk.

Abstract: According to an embodiment, a polishing device which polishes a surface of a polishing target, includes a sensor, an end point detector, and an end point condition setter. The sensor senses a characteristic value correlated with a state of the surface during polishing. The end point detector detects that the characteristic value or a polishing time satisfies an end point condition corresponding to an end point of the polishing. The end point condition setter sets the end point condition in accordance with at least one of device information about the polishing device and polishing target information about the polishing target, and outputs the set end point condition to the end point detector.

Abstract: A dust collector for an angle grinder comprises a collector body for covering a circular grinding disk, a sealing element for sealing at least some sections of the collector body from a surface to be machined by the grinding disk, at least some sections of the sealing element being placeable in a first and a second retaining rail, and a suction terminal via which the abraded surface particles can be sucked off the collector body. The first retaining rail extends along a closed periphery of the collector body, and in the collector body, the sealing element is spring-mounted by at least one spring element in the axial direction relative to the axis of rotation of the grinding disk.

Abstract: Provided is a masking tape for a shot peening process, including: a substrate having a first surface and a second surface; and a pressure-sensitive adhesive layer disposed on the first surface of the substrate. The masking tape has a breaking strength of 55 N/15 mm or more and exhibits an impact absorption rate of 20% or more in a falling ball impact test. Further, the masking tape has a displacement distance of 2 mm or less after 1 h from an initial position in a holding power test at 40° C. which is performed by applying a load of 500 g.