A modular fluid application device (10) includes a module base (12) and first and second fluid passageways extending within the module base and intersecting to form a nozzle fluid supply passageway. The modular fluid application device also includes a fluid outlet (22) formed on a nozzle mounting surface (24) of the module base fluidically connected to the nozzle fluid supply passageway, a base air passageway extending in the module base and an air outlet formed on the nozzle mounting surface fluidically connected to the base air passageway. A first module bank (14) is removably mounted on the module base and includes at least one first module having a first valve configured to control a flow of fluid in the first fluid passageway. A second module bank (18) is removably mounted on the module base and includes at least one second module having a second valve configured to control a flow of fluid in the second fluid passageway. The first module and the second module are mounted at an angle relative to one another.

The disclosure relates to a coating method for coating a component with a coating agent, comprising the following steps: moving an application device over a component surface of the component to be coated, delivering a coating agent jet (9) from the application device to the component surface that is to be coated, defining switching points on the component surface for initiating a switching action, in particular for switching on or switching off a coating agent jet, and performing the switching action when one of the switching points is reached. The disclosure provides the following steps: marking the switching points on the component surface by generating a switching marking on the component surface at the individual switching points, detecting the switching markings corresponding to the individual switching points during movement of the application device, and performing the switching actions when the switching markings are detected on the component surface. The disclosure further includes a corresponding coating installation.

A method for controlling a recirculation pump assembly is disclosed. The method includes receiving a process-dependent characteristic and determining a recirculation flow rate of adhesive that flows to the recirculation pump assembly based on the process-dependent characteristic. The method further includes determining a recirculation pump speed of the recirculation pump assembly for pumping the adhesive to a supply channel using the recirculation flow rate, and adjusting an operating speed of the recirculation pump assembly to match the recirculation pump speed. A system and storage device for performing the above method are also disclosed.

A valve arrangement for applying flowable medium to a substrate, having a main valve body with a medium channel for flowable media which is able to be closed by a movable closure member and to which a nozzle part having a nozzle opening of the valve arrangement is connected, wherein the valve arrangement has a pivotable lever movable out of a fastening position and into a releasing position, wherein the pivotable lever, during the movement from the fastening position into the releasing position, exerts a detaching force on the nozzle part in order to support the detachment of the nozzle part from the main valve body. In a first phase of its movement out of the fastening position and into the releasing position, the lever is movable in a straight line and exerts the detaching force on a push-off surface of the nozzle part, and entrains the nozzle part.

A fluid application device and method of controlling the dispensing of the from the fluid delivery device are provided. The fluid application device includes a metering device configured to receive the fluid and has one or more metering pumps configured to meter the fluid flowing through each pump, a discrete fluid delivery conduit extending from each metering pump, the fluid delivery conduit configured to receive the metered fluid, and a nozzle assembly fluidically connected to the metering device. The nozzle assembly includes one or more orifices. Each metering pump is fluidically connected to at least one orifice, respectively, of the one or more orifices via a respective delivery conduit. The method includes positioning the metering device upstream from the one or more orifices and controlling a flow rate of the fluid delivered from each metering pump to at least one orifice associated with the metering pump.

A slot die shim for use with a slot die, the slot die shim including a first channel configured to receive a first coating, a second channel configured to receive a second coating, and a third channel configured to receive a third coating. The slot die shim simultaneously dispenses the first coating through the first channel, the second coating through the second channel, and the third coating through the third channel onto a substrate. The coatings can be applied at different flow rates and include different test reagents. A vacuum force is applied to the first, second, and third coatings to control a width and a thickness of each of the coatings and a gap or distance between the coatings. The first, second, and third coatings are placed near one another or directly in contact with one another to minimize the area required for the coatings.

An optical bonding machine is provided that includes a robotic placement machine having a Z axis actuator coupled to a first end of a base portion of the robotic placement machine, the Z axis actuator capable of moving up and down a Z axis, and a pick and place plate operably connected to the Z axis actuator, and a vertically oriented adhesive application valve configured to apply an amount of adhesive onto an underside of a substrate, the underside of the substrate facing down when the amount of adhesive is applied, wherein the pick-and-place plate of the robotic placement machine manipulates the substrate within the optical bonding machine such that the substrate receives the amount of adhesive prior to being optically bonded to an other substrate; wherein a movement of the robotic placement machine is controllable over at least 3 axes.

A fluid dispensing apparatus may be provided that includes a fluid reservoir configured to hold a liquid fluid. The fluid dispensing apparatus may include fluid output zones with at least one of the fluid output zones including plural fluid pumps. Each of the fluid pumps may have a flow rate at which the liquid fluid is pumped by the fluid pump. A slot die may also be provided that has a slot for each of the fluid output zones. The fluid dispensing apparatus may also include a relief valve mechanically connected to each of the fluid pumps, and a control device. The control device may be functionally connected to each relief valve, and the control device may be adapted to selectively instruct each valve to open or close to produce differing volume rates of fluid through each slot based on the relief valves selected.

An adhesive dispensing system for applying liquid adhesive to a substrate using different nozzles with the same manifold is disclosed. The adhesive dispensing system includes a manifold having a body, a first clamp configured to engage the body of the manifold, a second clamp configured to engage the body of the manifold, and a nozzle. The first and second clamps secure the nozzle to the body of the manifold. The body of the manifold has a first contact surface that engages the first clamp and a second contact surface that engages the second clamp and the nozzle, where the second contact surface is angularly offset from the first contact surface.

An apparatus and a method performing work free from variations among a plurality of work heads having individual differences. A working apparatus includes a number n (a natural number 2 or greater) of work heads, a stage retaining a work object, drive devices moving the stage and the work heads relative to each other in three directions, a work amount measurement device measuring a work amount of each work head, and a control device, wherein the first-direction drive device enables the number n of work heads to be independently moved in a first direction, and the second-direction drive device includes a second-direction main drive device moving the number n of work heads simultaneously in a second direction, and a second-direction auxiliary drive device moving n−1 work heads among the number n of work heads independently in the second direction. A working method is carried out using the working apparatus.