A machine tool arranged to deliver an energy source through a processing head onto a work-piece, wherein; the machine-tool has a clamping mechanism arranged to temporarily receive the processing-head, or another machining or processing-head, to process a work-piece; the processing-head comprising one or more guiding mechanisms arranged to direct the energy source onto a work-piece and a processing-head docking-manifold arranged to have connected thereto one or more media to be, in use, supplied to the processing-head to facilitate processing of the work-piece; wherein the processing-head docking-manifold allows the one or more media to be supplied to the processing-head when the processing-head is connected to the clamping mechanism; and wherein the machine-tool also comprises at least one mechanism arranged to move a supply docking-manifold into and/or out of connection with the processing-head docking-manifold such that when the two manifolds are connected the or each media is supplied to the processing head.

In the hot-glue application system with a melter and components connected thereto, such as one or more heatable feeder pipes and one or more heatable application valves, the components contain a machine-readable and preferably also machine writable data storage medium.

An application system for applying a coating agent onto a component, in particular for applying a sealant onto a motor vehicle body part, includes a material supply for providing the coating agent, a temperature control device for controlling the temperature of the coating agent, an applicator for applying the coating agent, and a coating agent line between the material supply and the applicator. The temperature control device controls the temperature of the coating agent in the coating agent line downstream of the material supply.

Disclosed is a method of treating a substrate, the method including: adjusting a temperature of a treatment liquid by heating the treatment liquid with a heater unit installed in the circulation line while circulating the treatment liquid in a housing of a tank through a circulation line coupled to the housing; treating a substrate by supplying a temperature-controlled treatment liquid to the substrate in a normal mode; and discharging a treatment liquid in the circulation line to the outside of the circulation line through a drain line connected to the circulation line in an emergency mode.

A dispensing system for jetting a material onto a substrate is disclosed. The dispensing system includes a plate defining a first surface, a second surface opposite the first surface in a first direction, and at least one slot that extends through the plate from the first surface to the second surface, and an actuator assembly that contains a piezoelectric element and is operatively coupled to the needle. The dispensing system also includes at least one fastener that extends through the actuator assembly and the at least one slot, where the at least one fastener is configured to selectively engage the plate such that 1) in a disengaged configuration, the at least one fastener is movable within the slot and the actuator assembly is movable relative to the plate, and 2) in an engaged configuration, the at least one fastener is not movable within the slot and the actuator assembly is not movable relative to the plate such that a stroke length of the needle is adjusted.

A dispenser for dispensing a liquid onto a substrate is disclosed. The dispenser includes a liquid supply and a dispenser module. The dispenser module includes a nozzle body having an inlet, an outlet, and a chamber for receiving the liquid. The dispenser module also includes a central valve body attached to the nozzle body that defines a piston chamber and a valve member having a piston portion disposed within the piston chamber of the central valve body and a needle portion extending form the piston portion into the chamber of the nozzle body. The dispenser further includes a heater block for heating the nozzle body. The heater block defines a liquid passage for transporting liquid from the liquid supply to the dispenser, a first surface of the heater block directly contacts the nozzle body, and the entirety of the central valve body is spaced from the heater block.

A hot melt adhesive supply system is disclosed. The hot melt adhesive supply system includes an outer container defining an upper cavity and a lower cavity. The upper cavity includes an inner container having a top opening to receive unmelted hot melt adhesive pieces and a bottom aperture. The system also includes a dispensing mechanism between the upper cavity and the lower cavity. The dispensing mechanism regulates the dispensing of the unmelted hot melt adhesive pieces from the upper cavity to the lower cavity. The dispensing mechanism includes a base plate and one or more rotating members that rotate to move the unmelted hot melt adhesive pieces through a gap defined between the base plate and the bottom aperture. The system also includes a transfer conduit that communicates the unmelted hot melt adhesive pieces from the lower cavity to a hot melt adhesive melter.

A liquid coating apparatus includes a liquid chamber, a diaphragm deformable to change a volume of the liquid chamber, a piezoelectric element that deforms the diaphragm in a thickness direction, a pressurized casing bottom-wall portion between the piezoelectric element and the diaphragm to support the piezoelectric element from a diaphragm side, a fixed casing bottom wall portion that supports an end of the piezoelectric element on a side opposite to the diaphragm, a plunger that extends through the pressurized casing bottom-wall portion and transmits expansion and contraction of the piezoelectric element to the diaphragm, and a coil spring that is between the piezoelectric element and the pressurized casing bottom-wall portion and is supported by the first support portion to apply a compressive force to the piezoelectric element.

Application of liquid material is carried out without causing variations in discharge amount even on a stage under heating while temperature of a liquid material is adjusted by a temperature control device. A liquid material discharge device includes a discharge port, a liquid chamber in communication with the discharge port, and a temperature control device adjusting a temperature of the liquid chamber, the liquid material discharge device discharging the liquid material from the discharge port while a workpiece and the discharge port are moved relative to each other. The liquid material discharge device also includes a coolant flow path through which a coolant for heat exchange with the temperature control device flows, and a discharge control device controlling a discharge operation. An application device including the liquid material discharge device and an application method using the application device are also provided.

A liquid coating apparatus includes a liquid storage assembly to store a liquid, a pressure sensor to detect a remaining amount of liquid in the liquid storage assembly, a discharge assembly to discharge the liquid in the liquid storage assembly to an outside, a negative pressure pump to generate a negative pressure lower than an atmospheric pressure, a negative pressure adjusting container with an internal pressure adjusted to a predetermined negative pressure by the negative pressure pump, a pressure adjustment controller to control drive of the negative pressure pump based on a detection result of the pressure sensor, and a pressure switch to adjust pressure in the liquid storage assembly to the predetermined negative pressure in the negative pressure adjusting container.