86results about "Support wheels" patented technology

The invention relates to a grinding and / or polishing pad (48b; 48c) for a grinding and / or polishing machine (12a), with an abrasive interface (80a; 80b; 80c) and with at least one extraction opening (46b; 46c) arranged on a side facing away from the abrasive interface (80a; 80b; 80c). It is proposed that the grinding and / or polishing pad (48b; 48c) has at least one intake opening (78b; 78c) for drawing in ambient air, located on the side facing away from the abrasive interface (80a; 80b; 80c) and in particular on the side surface (110b).

The invention relates to a grinding and / or polishing pad arrangement, a grinding and / or polishing machine and a method for producing a grinding and / or polishing pad arrangement. A grinding and / or polishing pad arrangement (10a; 10a ') for a grinding and / or polishing machine (12a). 10b) comprises a carrier unit (14a; 14b), according to the invention, the carrier unit (14a; 14b) on the machine side has at least one carrier unit (14a; 16b) to the main normal (14a; 18b) extending transversely to the air passage (18a; 18b, 76b), in particular a suction air channel.

A grinding and / or polishing pad device for a grinding and / or polishing machine with a carrier unit is disclosed. The carrier unit on the machine side has at least one air duct, in particular an exhaust air duct, which runs transversely with respect to a main normal of the carrier unit.

The invention relates to a sanding and / or polishing pad device (10a; 10b; 10d) for a sanding and / or polishing machine (12a, 12d), in particular for an eccentric or orbital sander, preferably having a support unit (14a; 14b; 14d). According to the invention, a cushion unit (34b; 34d) is provided, which is preferably mounted on the support unit (14b; 14d) and the radial end face or lateral surface (42b; 42d) of which has depressions and / or profiles (44b; 44d) which are spaced apart from one another along the circumferential direction (112d) and differ from axial openings.

A grinding and / or polishing pad device for a grinding and / or polishing pad for a grinding and / or polishing machine has a drive interface unit for connecting a carrier unit of the grinding and / or polishing pad to the grinding and / or polishing machine. The drive interface unit has an offset shape and / or the drive interface unit is designed like a sprocket.

A wafer edge polishing drum is disclosed. The edge polishing drum includes a main body portion having a disc shape and a polishing portion extending obliquely from an edge of the main body portion toward a first face of the main body portion. The polishing portion includes an inner surface surrounding a polishing region adjacent the first face of the body portion. The inner surface of the polishing portion includes a first surface extending from the first face of the body portion and a second surface configured to contact an edge region of a wafer to be polished. The second surface includes a first region having a 2-1 angle with respect to the first surface of the body portion, and a second region having a 2-2 angle with respect to the first surface of the body portion. The first region is disposed between the first face of the body portion and the second region.

An abrasive article includes a backing, abrasive particles secured to the backing, and a size coat provided over the abrasive particles, the size coat comprises a binder resin, at least one filler material and at least one lubricant material having a melting temperature of at least about 200 degrees F. A method of grinding aluminum using such an abrasive article is also described.

The invention relates to a grinding disc (40) for a grinding machine (15), with a drive bracket (49) arranged on its machine side (41) for rotationally fixed attachment to an output (26) of the grinding machine (15), so that the grinding disc (40) can be driven by the grinding machine into a grinding motion suitable for grinding a workpiece (W), in particular a rotary and / or eccentric motion, wherein the grinding disc has a machining side (42) opposite the machine side (41) with a machining surface (45) on which an abrasive (90) for abrasive machining of a workpiece (W) can be fixedly or detachably arranged by means of an adhesive layer (66), wherein inlet openings (48) for the inflow of dust-laden air (S) are arranged on the machining surface (45) and outlet openings (43) connected to these via through channels (59) are arranged on the machine side (41).wherein the outlet openings (43) are arranged in an extraction zone (44) within an annular sealing element (80) arranged on the machine side (41) for sealing against a counter-seal element (36) of the grinding machine, wherein the grinding disc has a plate body (50) which has a support wall (54) provided for carrying the grinding medium (90), which is stiffened by a rib structure (55) whose ribs (56) project in front of the support wall (54) towards the machine side (41), wherein the ribs (56) define cavities (57) towards the machining side (42) which are closed by the support wall (54) and open towards the machine side (41). The invention further relates to a grinding machine which has such a grinding disc. It is provided that the sealing element (80) covers at least a part of the cavities (57) towards the machine side (41).

A buffing pad assembly having a buffing pad, an attachment means, and an insert (e.g., plastic ring) is provided. In one embodiment, a channel is cut into a side of the buffing pad, creating first and second side portions. The attachment means is then affixed (glued) to a back surface of the buffing pad and the insert is centered on an upper surface of the attachment means. The insert is then heated, affixing it to the upper surface of the attachment means. The insert is then deformed (while it is still pliable) into an L-shape, forming a cavity on the backside of the buffing pad assembly. And because the insert is affixed to the attachment means, and the attachment means is affixed to the buffing pad, deforming the insert results in deforming the back surface of the buffing pad, while maintaining a flat front surface.

A sander flex pad suitable for use with a rotary floor sander, wherein the sander flex pad comprises a flat circular disc with a center opening and an intact circular peripheral edge; wherein the disc has at least 2 cuts through the disc, the at least 2 cuts are non-circular, the cut terminates before the peripheral edge, and the cuts are spaced evenly to allow the disc to balance when rotating.

The invention relates to the technical field of polishing jigs, in particular to an embedded type cavity polishing jig and a manufacturing method. In the industry, CNC carving is adopted for producing a polishing jig, burrs and knife patterns are prone to being generated and need to be removed through manual grinding, and the machining efficiency is low; a fiber rubber plate is generally adopted as a polishing jig, the rigidity is too high, the flexibility is insufficient, and when brittle materials are polished, the defects of edge breakage, scratches, edge raised grains and the like are prone to occurring. According to the embedded type cavity polishing jig and the manufacturing method, the jig base plate is manufactured through the punch forming process, burrs and knife lines are avoided, manual grinding is not needed, and the machining efficiency is improved. The jig base plate is provided with the cavity, the flexible inlay strip is tightly attached to the inner wall of the cavity, and the flexible inlay strip can absorb collision energy during polishing, so that the defects of edge breakage, scratching, edge raised grains and the like of the polishing piece made of the fragile material are reduced, and the yield of the polishing piece is increased.

To provide a grinding disk that is configured to be detachably attached to an electric grinder for a table, which is frequently used for various types of work such as woodworking, and is excellent in adhesion efficiency and use efficiency.SOLUTION: The grinding disk comprises: a plate part made of a circular metal plate; a sanding part on which a grinding member is formed such that a grinding surface is formed on one side of the plate part; and a fastening part provided in a form of a through hole at a central axis of the plate part to be easily fastened to the electric grinder. The plate part has a gradual curvature K such that a convex surface is formed on the sanding part side where the grinding surface is formed. The grinding disk elastically adheres to the electric grinder when fastened thereto.SELECTED DRAWING: Figure 2

The invention relates to a grinding and / or polishing pad device (10a; 10b) for a grinding and / or polishing pad (48a; 48b) for a grinding and / or polishing machine (12a), with a drive interface unit (36a; 36b) for a connection of a carrier unit (14a; 14b) of the grinding and / or polishing pad (48a; 48b) with the grinding and / or polishing machine (12a). It is proposed that the drive interface unit (36a; 36b) has a cranked shape and / or that the drive interface unit (36a; 36b) is sprocket-like.

A method for adjusting contact pressure across an abrasive disc is presented. The method includes coupling an abrasive disc to a back-up pad with pressure-regulating features that equalize the pressure experienced by the work surface across the radius of the abrasive disc. The method also includes abrading the work surface by contacting the abrasive disc with the work surface. The back-up pad produces an abrasive disc with a cut rate that is substantially uniform across the surface of the abrasive disc, compared to an abrasive disc on a back-up pad that does not have the pressure-regulating features.

An apparatus includes: a receiving surface configured to receive a stack of grinding discs; a frame arranged substantially parallel to the receiving surface so that the stack of grinding discs is positioned between the receiving surface and the frame, the frame only partially overlapping an outer rim of a topmost grinding disc of the stack of grinding discs; and a mechanical pretensioning unit coupled with the frame such that a defined force is exerted by the frame on the stack of grinding discs.

The polishing blanket comprises an adapter plate used for connecting a machine tool rotating disc and a cleaning assembly, a first connecting assembly and a second connecting assembly, the adapter plate is located on a first plane, and the machine tool rotating disc and the cleaning assembly are located on a second plane and a third plane which are parallel to the first plane respectively. The first connecting assembly is arranged between the adapter plate and the machine tool rotating disc so as to connect the adapter plate and the machine tool rotating disc, the second connecting assembly is arranged between the adapter plate and the cleaning assembly so as to fix the cleaning assembly, the cleaning assembly adopts a sponge disc, and a blanket is bonded to the bottom of the sponge disc through glue. According to the polishing blanket, all parts of the polishing blanket are tightly connected, stability can still be kept under the high-speed running and complex working conditions of the polishing machine, and the equipment failure and the machining quality problem caused by loose connection are effectively reduced.

A plate-like backing pad (20) for releasable attachment to a hand-held polishing / sanding power tool (2) includes a center axis (34), a top surface (50) having a resilient plastic damping layer (52) attached thereto, an even bottom layer (22) attached to a bottom surface (56) of the damping layer (52) and adapted for releasable attachment of a polishing / sanding member (24), and an attachment member (38) adapted on the top surface for releasable attachment to a corresponding attachment element (32) of the power tool (2). The top surface has a central region (58) extending around the center axis and an external region (60) surrounding the central region recessed with respect to the external region. The attachment member adapted in the recessed central region with the center axis extending through the attachment member and part of the central region surrounding the attachment member.

To provide an exchange station which enables automatic exchange of a grinding disk in a relatively simple manner. [Solution] An apparatus is disclosed that includes a retaining plate having a surface for retaining an abrasive disc, a movable clamping element raised to a first position relative to the retaining plate, an actuator coupled to the clamping element and configured to move the clamping element to a second position in which the clamping element is pressed against the retaining plate so that the abrasive disc is clamped between the retaining plate and the clamping element, and a trigger element positioned relative to the retaining plate to be activated when the abrasive disc is placed and pressed against the surface of the retaining plate, wherein the trigger element and the actuator are coupled such that when the trigger element is activated, the actuator moves the clamping element from the first position to the second position.

In an embodiment where a grinding sheet is attached to a hand grinder for use, the heat generated during grinding is appropriately removed. [Solution] The disc-shaped intermediate pad has a first surface equipped with a first hook fastener for connecting to the back surface of the abrasive sheet, and a second surface on the opposite side of the first surface equipped with a second hook fastener for connecting to a disc holder attached to the rotating shaft of a hand grinder. A central through-hole is provided in the region including the center of the intermediate pad, penetrating from the first surface to the second surface, with the radius of the central hole being 16% or more and 80% or less of the radius of the intermediate pad. Multiple outer peripheral through-holes are provided on the outer periphery of the intermediate pad, penetrating from the first surface to the second surface, and when the outer circumference is defined as the region between the outer circumference corresponding to the outer edge of the intermediate pad and the inner circumference 32% inward from the outer circumference, the area ratio of the through-holes to the outer peripheral region is 15% or more and 50% or less.

In one embodiment, a machine tool system comprises a hand-held power tool and a base plate assembly configured for mounting on the hand-held power tool. The base plate assembly includes a locking element configured to rotate about a first axis. The locking element is configured to rotate about the first axis between a first position, in which a top clamp cannot be locked to the base plate assembly, and a second position, in which the top clamp can be locked to the base plate assembly. The locking element is configured to bend a section of the top clamp away from the first axis as the locking element rotates from the first position to the second position during a mounting process, thereby locking the top clamp to the base plate assembly.

A disc changing system for a robotic defect repair system is presented. The system has a first abrasive disc and a second abrasive disc. The first and second abrasive discs are coupled to a liner. The system includes an abrasive disc placement device configured to automatically: remove the first abrasive disc from the liner, transport the first abrasive disc to a robotic tool of the robotic defect repair system, and place the first abrasive disc on a backup pad coupled to the robotic tool. The system also includes an abrasive disc remover configured to automatically remove the first abrasive disc after receiving a removal signal. The system also includes a controller configured to send an instruction to the disc placement device to remove, transport and place the first abrasive disc, instruct the robotic tool to conduct an abrasive operation. The controller is also configured to send the removal signal. The controller is a processor and the instructions are stored on a non-transitory computer-readable medium and executed by the processor.

The invention relates to a grinding and / or polishing pad arrangement, a grinding and / or polishing machine and a method for producing a grinding and / or polishing pad arrangement. A grinding and / or polishing pad (48a; 48b) for a grinding and / or polishing machine (12a). 48b) for grinding and / or polishing the surface of the substrate (10a; 10b) comprises a drive interface unit (36a; 36b) for transferring the carrier unit (14a; 14b) is connected to a grinding and / or polishing machine (12a). According to the invention, the driver interface unit (36a; 36b) has a bent shape and / or the drive interface unit (36a; 36b) is designed in the form of a chain wheel.

A slotted retention tool (100, 100', 100") for retaining an abrasive material (102, 102', 102") for use with a power-driven tool (101) that is compact and adaptable for use in confined or hard-to-reach areas, while also allowing for quick and easy replacement of worn abrasive components is provided. The slotted retention tool (100, 100', 100") can include a slot (112, 112', 112") at a first end (106, 106', 106") where the slot (112, 112', 112") can be configured to retain an abrasive material (102, 102', 102") for use during operation of the slotted retention tool (100, 100', 100"). The slot (112, 112', 112") can include a transitional surface (114, 114', 114") configured to minimize sharp edges that can contribute to premature tearing or degradation of the abrasive material (102, 102', 102") during insertion and use. The slotted retention tool (100, 100', 100") can also include a drive portion (116, 116', 116") at a second end (108, 108', 108") configured to be received by a power-driven tool (101). A method (300) of using a slotted retention tool (100, 100', 100") for retaining an abrasive material (102, 102', 102") is also provided.

The invention relates to the technical field of semiconductor probe cleaning abrasive paper, in particular to gradient elastomer abrasive paper for cleaning a semiconductor probe and a preparation method of the gradient elastomer abrasive paper. According to the technical scheme, the abrasive paper comprises a base, an abrasive paper body, a supporting plate, a mounting frame and a placement box, the supporting plate is arranged above the base, a supporting pipe is rotatably mounted in the supporting plate, the placement box is arranged at the upper end of the supporting pipe, and the abrasive paper body is arranged above the placement box; the abrasive paper body sequentially comprises a working face, a middle transition layer, a buffering supporting layer and a flexible base material from bottom to top. According to the invention, on the basis of the rule of'negative correlation between coating thickness and roughness', through a multi-stage differential thickness coating process and in combination with an equipment structure of negative pressure adsorption and pressure ring dual fixation, on the premise of not changing a core formula, independent and accurate regulation and control of surface roughness, decoupling of cleaning power and probe protection functions are realized, chip accommodating and heat dissipation performances are improved, and the service life of the chip is prolonged. And the cleaning requirements of advanced-process semiconductor probes are met.

The invention relates to a grinding and / or polishing pad device (10a; 10b) for a grinding and / or polishing machine (12a), with a carrier unit (14a; 14b). It is proposed that the carrier unit (14a; 14b) shall have at least one air duct (18a; 18b, 76b), in particular an exhaust air duct, extending transversely with respect to a principal normal (16a; 16b) of the carrier unit (14a; 14b).

A method for repositioning an abrasive disc within a repositionable abrasive disc mounting assembly is presented. The method includes mounting the abrasive disc to a repositionable abrasive disc mounting assembly in a first position. The mounting disc assembly includes the abrasive disc coupled to the back-up pad assembly such that the abrasive disc is in contact with a pressure feature of the back-up pad assembly, a drive shaft of a grinding tool, and a fastener that maintains the position of the abrasive disc and the back-up pad coupled to the drive shaft. The method also includes conducting an abrasive operation by activating the grinding tool. The method also includes re-positioning the abrasive disc, with respect to the repositionable abrasive disc mounting assembly, in a second position. The first position includes the abrasive disc in a first position relative to the pressure feature. The second position includes the abrasive disc in a second position relative to the pressure feature assembly. Re-positioning includes an adjustment between the first and second position while the abrasive disc is still positioned on the drive shaft between the fastener and the back-up pad assembly.

A device for robot-assisted grinding is described. According to one embodiment, the device comprises the following: a manipulator; a grinding machine; a linear actuator that couples the grinding machine to a TCP (portable terminal) of the manipulator; and an extraction system connected to the outlet in the housing of the grinding machine. The extraction system is connected to an outlet on the grinding machine via a hose that is arranged in an approximately spiral shape around the housing of the grinding machine and the linear actuator, and is attached at one end to the manipulator.

A repositionable abrasive disc mounting assembly comprises a backup pad and a clamp assembly. The backup pad has a rotational axis of use and a major surface with projections extending outwardly therefrom. The backup pad further comprises an inwardly facing centrally disposed first fastening member, and also an outwardly facing centrally disposed second fastening member. The clamp assembly comprises inner and outer clamp members for securing an abrasive disc. The inner clamp member comprises an inwardly facing centrally disposed third fastening member adapted to repositionably engage the second fastening member in a discrete number of rotational orientations. The inner clamp member further comprises an outwardly facing centrally disposed fourth fastening member. The outer clamp member comprises an inwardly facing centrally disposed fifth fastening member adapted to securely engage the fourth fastening member. A method of abrading a workpiece using the repositionable abrasive disc is also disclosed.

The invention relates to a device for automatically removing a grinding wheel or grinding blade from a grinding disc of a robot-assisted grinding machine, characterized in that the device has a body with an opening adapted to the grinding disc of the grinding machine for passing the grinding wheel and comprises a punch with a stop surface, wherein the body or opening and punch can be brought into contact with each other by means of an actuator in such a way that an outer grinding wheel or grinding blade area projecting beyond the edge of a grinding disc passed through the opening can be clamped between the body wall and the stop surface of the punch.