164results about "Support wheels" patented technology

A method includes: accessing a toolpath and processing parameters—including a target force and feed rate—assigned to a region of a workpiece; and accessing a wear model representing abrasive degradation of a sanding pad arranged on a sanding head. The method also includes, during a processing cycle: accessing force values output by a force sensor 199 coupled to the sanding head; navigating the sanding head across the workpiece region according to the toolpath and, based on the force values deviating the sanding head from the toolpath to maintain forces of the sanding head on the workpiece region proximal the target force; accessing contact characteristics representing contact between the sanding pad and the workpiece; estimating abrasive degradation of the sanding pad based on the wear model and the sequence of contact characteristics; and modifying the set of processing parameters based on the abrasive degradation.

The present invention relates to an attachment hub for attachment to a sander, comprising a quick-release attachment assembly configured for releasable and aligned engagement with a counterpart of a backup pad particularly for an abrasive disc. Furthermore, the invention relates to a backup pad having a disc-like shape and comprising a first major surface and a second major surface, the first major surface configured for direct or indirect attachment of an abrasive disc, and the second major surface configured for facing towards an attachment hub for attachment to a sander, and a mounting portion for aligned engagement with an attachment hub of a sander.

A robotic system for modifying a surface is presented. The system includes a motive robot arm with an arm movement mechanism. The system also includes a tool coupled to the arm movement mechanism. The tool is configured to removably couple to an article configured to contact the surface. The system also includes a first actuator that causes the arm movement mechanism to move the tool into a pickup position with respect to the article. The system also includes a second actuator that causes a shearing motion, during an article attachment step, between the article and the tool. The coupling between the article and the tool comprises a hook and loop system.

The invention discloses sofa board surface processing equipment, and relates to the technical field of board surface processing. The device comprises a machining table, linear sliding rail modules are installed on the front face and the back face of the machining table, a grinding assembly is fixedly installed between the two linear sliding rail modules, the grinding assembly is located above the machining table, and the grinding assembly comprises a grinding cover fixedly installed between the two linear sliding rail modules; a negative pressure hole is formed in the inner wall of the polishing cover, and the negative pressure hole and the adsorption hole are connected with external negative pressure equipment through a negative pressure connecting pipe. Through the arrangement of the abrasive paper mounting roller, abrasive paper can be quickly unloaded, the abrasive paper is tightly adsorbed on the abrasive paper mounting roller through negative pressure along with rotation of the abrasive paper mounting roller in the replacement cover, quick replacement of long abrasive paper is completed, abrasive paper with different granularities can be replaced according to needs, the equipment adaptability is high, manual operation replacement is not needed, and the automation degree is high.

The invention discloses a wall polishing device for placement house building construction, and belongs to the field of wall polishing devices.The wall polishing device comprises a base used for supporting the whole equipment, a lifting module, a polishing module and a dust removal module, and a moving assembly used for moving the equipment is arranged at the bottom of the base; the top of the base is connected with the grinding module through the lifting module, the grinding module comprises a sand disc used for grinding a wall, the lifting module is used for adjusting the height of the sand disc, and the dust removal mechanism is used for removing dust generated by grinding the wall. The wall polishing device has the effect of achieving efficient, accurate and low-dust wall polishing operation.

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.

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 (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 present invention discloses a soft dry-wet dual-purpose abrasive cloth and its installation structure, including an installation structure. The installation structure includes an abrasive cloth wheel, above which there is an abrasive cloth pressing disc, and above the abrasive cloth pressing disc there is a covering pressing disc. At the middle position of the top of the abrasive cloth wheel, there is an installation screw pipe, and at the edge position of the installation screw pipe, there is a second anti-slip rubber washer. The present invention is equipped with an abrasive cloth body, and on the abrasive cloth body, there are a water-absorbing cotton layer, a first abrasive cloth grinding layer, a second abrasive cloth grinding layer, and water seepage holes. The water-absorbing cotton layer can improve the toughness of the abrasive cloth body and can adsorb moisture. During the grinding process, the moisture can flow out through the water seepage holes. The characteristics are that it replaces the defects of short lifespan, non-abrasion resistance, and high cost of paper, and gives full play to the advantages of uniform cloth surface, strong toughness and adhesion, anti-static, anti-blocking, good abrasion resistance, long service life, and the performance is 2-3 times higher than that of paper products.

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.

The present application provides a grinding disc and a substrate cleaning device. The grinding disc includes a thickness self-adaptive layer and a base layer and a grinding plate fixed on two opposite surfaces of the thickness self-adaptive layer respectively. The base layer is connected to the grinding head. The grinding plate contacts a product to grind and clean the product. The thickness self-adaptive layer can deform based on a pressure applied by the grinding disc to the product to be cleaned such that the grinding disc completely contacts a surface of the product to be cleaned to make a cleaning area of the grinding disc achieve 100%, which can improve a cleaning rate of the product.

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.

To improve a clamp mechanism in a sander.SOLUTION: A sander includes: a sanding portion having a planar sheet placement surface on which a sanding sheet can be placed; and a clamp mechanism capable of holding the sanding sheet in the sanding portion. The clamping mechanism includes: a clamp portion that is capable of holding the sanding sheet and is capable of sliding in a direction parallel to the sheet placement surface between a closed position at which the sanding sheet is held by a side surface of the sanding portion and an open position at which the sanding sheet can be removed; an elastic body that applies an urging force in a direction parallel to the seat placement surface, the urging force urging the clamp portion toward the closed position; and a holding mechanism capable of holding the clamp portion at the open position against the urging force. By releasing the holding of the clamp portion at the open position by the holding mechanism, the clamp portion can hold the sanding sheet.SELECTED DRAWING: Figure 5

Surface treatment tool, comprising an annular carrier substrate and a plurality of abrasive lamellae (4) connected to the carrier substrate (2) by a narrow side (6) in a contacting juxtaposition of their flat sides (7), at least some of which are nonwoven lamellae (4), characterized in that the carrier substrate is a flexible band (2), the ends of which point in the longitudinal extension of the band (2) are connected to one another to form a ring shape, and in that the nonwoven lamellae (4) are connected to the outwardly facing surface of the flexible band (2) by means of an adhesive connection with flexible material properties in a state in which their thickness is elastically compressed.

The present invention discloses an adaptive expansion mechanism and an adaptive expansion polishing mechanism thereof. The adaptive expansion mechanism comprises a rotating wheel and an elastic leather cavity connected to the outer ring of the rotating wheel. A plurality of piston cavities are evenly arranged along the radial direction inside the rotating wheel. The outer diameter side opening of the piston cavity is connected to the elastic leather cavity, and the inner diameter side opening is connected to the atmosphere. A limiting structure is arranged at the inner diameter side opening. A centrifugally slidable piston is installed in the piston cavity. When the piston slides centrifugally, gas can be replenished into the elastic leather cavity and the elastic leather cavity can be expanded. The present invention arranges an elastic leather cavity on the outer ring of the rotating wheel, and arranges a piston along the radial direction inside the rotating wheel. The rotation of the rotating wheel itself enables the piston to move centrifugally and replenish gas into the elastic leather cavity, so that the size of the centrifugal force of the piston can be adjusted by adjusting the rotation speed, and then the expansion state of the elastic leather cavity can be adjusted, and finally an adaptive state is reached.

The invention provides a grinding machine. A polishing machine includes: a polishing unit having a planar sheet placement surface on which a polishing sheet can be placed; and a clamping mechanism capable of holding the polishing sheet on the polishing part. The clamping mechanism is provided with: a clamping part capable of holding the polishing sheet and capable of sliding in a direction parallel to the sheet arrangement surface between a closed position at which the polishing sheet is held on the side surface of the polishing part and an open position at which the polishing sheet can be detached; an elastic body that applies an urging force to the nip portion in a direction parallel to the sheet arrangement surface, the urging force being applied to the nip portion toward the closed position; and a holding mechanism capable of holding the clamp portion in the open position against the biasing force. By releasing the holding of the holding mechanism on the clamping part at the open position, the clamping part can hold the polishing sheet.

The invention discloses a grinding and polishing assembly and a grinding and polishing device. The grinding and polishing assembly comprises a connecting disc, a polishing disc and a connecting assembly. Wherein the connecting disc is provided with a plurality of mounting parts and a plurality of first avoiding holes, the mounting parts and the first avoiding holes are arranged in a one-to-one correspondence mode, the first avoiding holes are arranged in a penetrating mode in the thickness direction of the connecting disc, the mounting parts are arranged on the top face of the connecting disc and are close to the first avoiding holes, and each mounting part is provided with a first unthreaded hole; a plurality of connecting parts are arranged on the polishing disc, the connecting parts and the first receding holes are arranged in a one-to-one correspondence mode, and second unthreaded holes are formed in the connecting parts; each connecting part is arranged in the corresponding first receding hole in a penetrating mode, and the connecting assemblies are sequentially arranged in the second unthreaded holes and the first unthreaded holes in a penetrating mode so that the polishing disc can be detachably connected to the connecting disc. By means of the grinding and polishing assembly and the grinding and polishing device, the problems that in the prior art, the dismounting and mounting process of a polishing disc is tedious, efficiency is low, and threads loosen and lose efficacy can be solved.

A disc tool for a processing machine for grinding and / or polishing a workpiece (W); wherein the disc tool (10A, 10B, 10B) has a carrier (20) for attachment to an output (85) of the processing machine (80); wherein a cushion element (40A, 40B, 40C) made of elastic material and a retaining wall element (41A, 41B, 41C, 41D) for retaining the cushion element (40A, 40B, 40C, 61) are arranged on the carrier (20); wherein the retaining wall element (41A, 41B, 41C, 41D) is held on the carrier (20) by means of retaining bolts (35); wherein retaining bolt passage openings (48) of the retaining wall element (41A, 41B, 41C, 41D) extending through retaining mounts (28), of the carrier (20) are accommodated along bolt sections (36) of the retaining bolts (35) extending along the bolt longitudinal axes (BL), and the retaining wall element (41A, 41B, 41C, 41D) is held between bolt heads (37) of the retaining bolts (35) and the carrier (20); and wherein an adhesive layer (50) is arranged on a side of the retaining wall element (41A, 41B, 41C, 41D) opposite the carrier (20), on which adhesive layer a processing means (70) for grinding and / or polishing the workpiece (W) can be releasably attached to the disc tool (10A, 10B, 10B). The adhesive layer (50) has recesses (52) assigned to the bolt heads (37).

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.

The invention is based on a support plate device, in particular for mounting on a hand-held power tool (12), in particular an angle grinder, with a base support (14) which has a central fastening region (16), an edge region (18) which adjoins the fastening region (16) radially outwards and extends as a ring around the fastening region (16), and at least one air guide channel (20) which extends at least partially radially outwards at least in the edge region (18) and is provided for cooling the base support (14) in at least one operating state, with an interface unit (22) for connection to an output shaft of the hand-held power tool (12), in particular of the angle grinder, and with a connecting unit (24) for fastening a fiber grinding disc (26a; 26b) to the base support (14). It is proposed that the at least one air guide channel (20) has a, in particular curved, course (30) in a plane perpendicular to the axis of rotation (28) of the base support (14), the radially outer initial vector (a) of which has a substantial circumferential direction component (a'') which runs parallel to a circumferential direction at a point of the initial vector (a).

The invention relates to components of a replacement station for the automated replacement of grinding elements (grinding discs) of a robot-assisted grinding device, as well as to an associated method for mounting grinding elements on a grinding machine, and to an associated method for pulling out worn grinding elements from a grinding machine.

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).

The invention refers to a backing pad (2) for a hand-guided polishing or sanding power tool, comprising - a support layer (4) made of a rigid material, the support layer (4) comprising a connection element (6) on its top surface (8) for connection of the backing pad (2) to a driving shaft (18) or an eccentric element of the polishing or sanding power tool, - a damping layer (10) made of a resilient material, the damping layer (10) being fixedly attached to a bottom surface (12) of the support layer (4), and - an adhesive layer (14) for releasable attachment of a polishing or sanding member to the backing pad (2), the adhesive layer (14) being fixedly attached to a bottom surface (16) of the damping layer (10), wherein the bottom surface (12) of the support layer (4) is provided with reinforcement elements (24, 26, 28; 46; 50, 52) for enhancing flexural rigidity of the support layer (4), and the bottom surface (12) of the support layer (4) is further provided with recesses (30) formed between and at least partially limited by the reinforcement elements (24, 26, 28; 46; 50, 52), It is suggested that the reinforcement elements comprise reinforcement ribs (24, 26, 28) comprising a plurality of polygonal geometric elements (36), each element (36) having an essentially polygonal rib design and neighbouring elements (36) being located next to each other and / or offset in respect to each other, wherein during manufacture of the backing pad (2) the resilient material of the damping layer (10) enters into the recesses (30) and after curing of the resilient material entirely fills the recesses (30).

A sanding system is presented that includes a tool with a motor which, when actuated, drives movement of a drive shaft. The system also includes a backup pad coupled to the drive shaft. The backup pad is configured to receive an abrasive article. Movement of the drive shaft causes movement of the abrasive article. The system also includes a compliant damping unit configured to provide variable compliance for the tool when the abrasive article contacting a worksurface. The system also includes an electronic controller that receives a system operating condition and sends a signal to the compliant damping unit based on the system operating condition.