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公开(公告)号:US20230021607A1
公开(公告)日:2023-01-26
申请号:US17960288
申请日:2022-10-05
Applicant: NORDSON CORPORATION
Inventor: Peter W. ESTELLE
IPC: B05C11/10
Abstract: Systems and methods for controlling adhesive application are disclosed. The systems and methods may include a controller and one or more sensors configured to measure an amount of adhesive applied to a plurality of substrates by a pump, detect a number of the substrates, determine an amount of adhesive applied per substrate, compare the adhesive applied per substrate to a target value, and adjust a pressure of the pump based on the comparison. The sensor(s) may include one or more of a valve sensor coupled to an adhesive supply, a flow rate sensor coupled to a manifold, a flow rate sensor coupled to one or more hoses, and a flow rate sensors coupled to a gun.
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2.
公开(公告)号:US20220347715A1
公开(公告)日:2022-11-03
申请号:US17760917
申请日:2020-09-16
Applicant: Nordson Corporation
Inventor: Peter W. ESTELLE
Abstract: Systems and methods for tuning a closed-loop controller for a hot melt liquid dispensing system are disclosed. In an example method, based on a set temperature setpoint, the hot melt liquid dispensing system is maintained at a steady state with respect to a temperature process variable and a heater duty cycle control variable. The heater duty cycle control variable is brought to a sustained oscillation. An amplitude and an ultimate period are determined. An ultimate gain is determining based on the step value and the amplitude. A proportional, integral, or derivative constant is determined based the ultimate period and/or ultimate gain. The closed-loop controller is implemented using the proportional, integral, or derivative constant.
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公开(公告)号:US20220339661A1
公开(公告)日:2022-10-27
申请号:US17761747
申请日:2020-09-17
Applicant: Nordson Corporation
Inventor: Robert J. WOODLIEF , Enes RAMOSEVAC , Peter W. ESTELLE
Abstract: In one example, a melter has a housing, a heater, a vent, and a filter medium. The housing defines a receiving space that supports adhesive therein. The heater heats the receiving space of the housing to melt the adhesive. The melter defines an adhesive inlet therein that receives adhesive carried by a transport supply gas into the receiving space. The vent extends through a wall of the melter and permits the transport supply gas to escape from the melter. The filter medium is supported in the vent to capture particulates from the transport supply gas escaping the receiving space, and is positioned relative to the receiving space such that heat from the receiving space causes the particulates captured by the filter medium to melt and fall into the receiving space.
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4.
公开(公告)号:US20220373614A1
公开(公告)日:2022-11-24
申请号:US17761870
申请日:2020-09-16
Applicant: Nordson Corporation
Inventor: Peter W. ESTELLE , Michael J. PALMER
IPC: G01R31/56 , B05C5/00 , B05C11/10 , G01R19/165 , G01R19/12
Abstract: Systems and methods for direct heater diagnostics for a hot melt liquid dispensing system are disclosed. At least one of a current measurement or a voltage measurement is received from a respective current and/or voltage sensor positioned at an electrical circuit that supplies electric power to a heater associated with the dispensing system. The heater can be for an applicator or heated hose attached to the dispensing system, a melter of the dispensing system, or a pump of the dispensing system. A state of the electrical circuit is determined based on the at least one of the current or voltage measurement.
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公开(公告)号:US20220371285A1
公开(公告)日:2022-11-24
申请号:US17761780
申请日:2020-09-18
Applicant: NORDSON CORPORATION
Inventor: Peter W. ESTELLE , Jeffrey E. OWEN , John DANIELS , Scott B. MEANS , Ronald M. RAMSPECK
Abstract: Systems and methods for air pressure control in a hot melt liquid dispensing system are described. An example hot melt liquid dispensing system includes a pump that pumps hot melt liquid to an applicator. The hot melt liquid dispensing system also includes an air flow path that supplies pressurized air to the pump and an electronic pressure sensor associated with the air flow path. The hot melt liquid dispensing system also includes a controller that receives an electronic signal from the electronic pressure sensor indicative of an air pressure in the air flow path and causes adjustment to the air pressure in the air flow path based on the electronic signal from the electronic pressure sensor.
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公开(公告)号:US20240216943A1
公开(公告)日:2024-07-04
申请号:US18605097
申请日:2024-03-14
Applicant: Nordson Corporation
Inventor: Robert J. WOODLIEF , Enes RAMOSEVAC , Peter W. ESTELLE
CPC classification number: B05C11/1042 , B05B15/40 , B29B13/022
Abstract: In one example, a melter has a housing, a heater, a vent, and a filter medium. The housing defines a receiving space that supports adhesive therein. The heater heats the receiving space of the housing to melt the adhesive. The melter defines an adhesive inlet therein that receives adhesive carried by a transport supply gas into the receiving space. The vent extends through a wall of the melter and permits the transport supply gas to escape from the melter. The filter medium is supported in the vent to capture particulates from the transport supply gas escaping the receiving space, and is positioned relative to the receiving space such that heat from the receiving space causes the particulates captured by the filter medium to melt and fall into the receiving space.
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公开(公告)号:US20220339662A1
公开(公告)日:2022-10-27
申请号:US17761798
申请日:2020-09-18
Applicant: Nordson Corporation
Inventor: Robert J. WOODLIEF , David R. JETER , Brian R. SOSEBEE , Leonard J. LANIER , Enes RAMOSEVAC , Peter W. ESTELLE , Jeffrey E. OWEN , James R. BEAL , Leslie J. VARGA , John DANIELS , Ronald M. RAMSPECK , John M. RINEY
Abstract: An adhesive dispensing device (10) includes a melt module (12) including a housing (78) that defines a receiving space to receive adhesive and a heater (114) to heat the housing to melt the adhesive, and a control module (14) releasably connected to the melt module. The control module includes a controller (36) to automatically recognize a characteristic associated with the melt module and operate the melt module using instructions stored on the controller that correspond to the characteristic of the melt module. A method of operating the adhesive dispensing device is also disclosed.
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