Abstract: A heating apparatus for a nozzle of an injection machine includes a helical-spring shaped heating portion, a first sleeve, and a second sleeve. The first sleeve includes a first blocking portion and forms internal threads. The second sleeve includes a second blocking portion and forms external threads. The heating portion is received in the second sleeve. The internal threads are screwed into the external threads. The first blocking portion and the second blocking portion sandwich the heating portion.

Abstract: An energy retrieving device includes a first rectifier circuit, a direct current (DC) link circuit, a second rectifier circuit, an energy retrieving unit, a motor controller, and a micro control unit (MCU). The MCU includes an energy retrieving control module, to control the energy retrieving unit to work according to control of a processing module. The processing module detects whether a motor deceleration signal is generated by the motor, and controls the energy retrieving control module to make the energy retrieving unit retrieve power when the motor deceleration signal is generated by the motor.

Abstract: A heating apparatus for a nozzle of an injection machine includes a helical-spring shaped heating portion, a first sleeve, and a second sleeve. The first sleeve includes a first blocking portion and forms internal threads. The second sleeve includes a second blocking portion and forms external threads. The heating portion is received in the second sleeve. The internal threads are screwed into the external threads. The first blocking portion and the second blocking portion sandwich the heating portion.

Abstract: An injection mold includes a first plate, a second plate, a movable plate, a ball screw, a ball nut, an injection screw, a transmission shaft, an injection motor, a metering motor, a first driving assembly and a second driving assembly. The ball screw is rotatably supported by the first plate. The ball nut is fixed to the movable plate, and is threadedly engaged with the ball screw. The injection screw is coaxially positioned with the ball screw. The transmission shaft is rotatably supported by the second plate. The injection motor is fixedly mounted on the first plate. The metering motor is fixed mounted on the second plate. The first driving assembly is connected to the injection motor to drive the ball screw. The second driving assembly is connected to the metering motor to rotate the transmission shaft for moving the injection screw.

Abstract: An energy retrieving device includes a first rectifier circuit, a direct current (DC) link circuit, a second rectifier circuit, an energy retrieving unit, a motor controller, and a micro control unit (MCU). The MCU includes an energy retrieving control module, to control the energy retrieving unit to work according to control of a processing module. The processing module detects whether a motor deceleration signal is generated by the motor, and controls the energy retrieving control module to make the energy retrieving unit retrieve power when the motor deceleration signal is generated by the motor.

Abstract: A Computer numerical control (CNC) machine includes a body; a touch screen, to display information and sense touch input of a user; and a processing unit, to obtain user information when the user logs in the CNC machine, generate a visual menu on the touch screen corresponding to the user information, and control the body to perform functions according to the touch input on the visual menu. A control method is also provided.

Abstract: In a method for managing a machining file including a series of procedures in sequence using a computing device, names of the series of procedures are displayed in a procedure list area of the management page. If procedures require to be combined, the method receives user-selected procedures to be combined from a database area of the management page, and combines the selected procedures into a new procedure according to a predetermined combination format. If the machining file requires to be stored, the method stores all the procedures in the procedure list area into the machining file in sequence, and stores the machining file in a storage system of the computing device.

Abstract: An injection mold includes a first plate, a second plate, a movable plate, a ball screw, a ball nut, an injection screw, a transmission shaft, an injection motor, a metering motor, a first driving assembly and a second driving assembly. The ball screw is rotatably supported by the first plate. The ball nut is fixed to the movable plate, and is threadedly engaged with the ball screw. The injection screw is coaxially positioned with the ball screw. The transmission shaft is rotatably supported by the second plate. The injection motor is fixedly mounted on the first plate. The metering motor is fixed mounted on the second plate. The first driving assembly is connected to the injection motor to drive the ball screw. The second driving assembly is connected to the metering motor to rotate the transmission shaft for moving the injection screw.

Abstract: A computer numerical control (CNC) machine includes a case, a communication plug, a first switch, a number of second switches, and a control circuit. The control circuit includes a first switch control unit to receive a first switch signal from the first switch, a second switch control unit to receive second switch signals from the second switches, a control unit, a command signal converting unit, a pulse signal generating unit, and an operation signal output unit. The control unit receives the first and second switch signals, determines the work mode of the CNC machine according to the first switch signal, and convert the second switch signals to command signals. The command signal converting unit converts the command signals into operation signals. The pulse signal generating unit generates pulse signals. The operation signal output unit outputs the operation signals and the pulse signals to the CNC machine via the communication plug.

Abstract: A hole machining method includes drilling two holes are drilled at opposite ends of a drilling area as a start point and an end point. The number of holes between the start point and the end point is determined. A dividing point and a number of holes L are determined according to determined equations. Holes are drilled in the dividing point, and between the start point and the dividing point according to the determined equations.

Abstract: A hose frame assembly includes a pipe body, a wheel disc, a tensile adjusting device, and a cable. The pipe body includes three aligned pipe sections, and two resilient joints connected between every adjacent two of the three pipe sections. The tensile adjusting device is located between the pipe body and wheel disc, and includes a guide rail, two sliding members slidably mounted to the guide rail, and a resilient member connected between the sliding members. A wheel is rotatably mounted to each of the sliding members. Two ends of the cable extend through the pipe sections and the resilient joints and spacedly are fixed to an inner wall of one of the pipe sections located at a far end of the pipe body. A portion of the cable located out of the pipe body is positioned around the wheel disc and the wheels.

Abstract: A manual pulse generator that includes a main body, a magnification selector, an axis selector, and an input device is disclosed. The input device is disposed on an upper surface of the main body. The input device includes a control chip and a panel with many touch-sensors electronically connected to the control chip. When the touch-sensors are touched, the touch-sensors generate signals to the control chip. The control chip is configured to generate pulse signals according to the signals received from the touch-sensors to control a servo motor of a CNC machine.

Abstract: A control system of a manual pulse generator for controlling a rotation speed and a rotation direction of a motor includes a touch panel, a timer, a coordinate calculation unit, and a wave generation unit. The touch panel receives a contact signal and generates an electrical signal according to the contact signal. The timer records the amount of time used to input the contact signal. The coordinate calculation unit calculates coordinates of each input point of the contact signal on the touch panel according to the electrical signal to determine direction of the contact signal and input speed for the contact signal. The wave generation unit generates a pulse signal to control the motor according to the direction of the contact signal and the input speed for the contact signal.

Abstract: A device for controlling an induction motor includes a voltage/frequency controller, a pulse width modulation controller, and a converter. The voltage/frequency controller receives a controlling frequency, and outputs a controlling voltage corresponding to the controlling frequency. The pulse width modulation controller receives the controlling voltage and the controlling frequency, and generates PWM signals according to the controlling voltage and the controlling frequency. The converter receives the PWM signals, and controls the induction motor according to the PWM signals. There is a predetermined relationship between the controlling voltage and the controlling frequency stored in the voltage/frequency controller. The controlling voltage is greater than zero in response to the controlling frequency being zero, and increasing the controlling frequency increases the controlling voltage as in the predetermined relationship.

Abstract: A parameter setting system for programmable logic controller (PLC) includes a document module, a main program module, a parameter storage module, an interface display module, and a display interface. The document module stores application documents and an extensible markup language (XML) document of PLC. The main program module reads names and scale values of the parameters from the XML document, and outputs a control signal. The parameter storage module stores the names and scale values of the parameters from the main program module. The interface display module receives the control signal from the main program module and reading names and scale values of the parameters from the parameter storage module according to the control signal. The display interface displays the names and scale values of the parameters from the interface display module.

Abstract: A control system for controlling the display of an injection molding machine (IMM) includes a human machine interface (HMI), a driver, a controller, a timer, and a time display module. The controller controls the driver to drive the IMM to do a plurality of operations. The time display module controls the HMI to display working times of operations that have been done, and the working time of an operation that is in process in the current work cycle. The timer records working time of each operation by starting to time at the beginning of each operation, and stopping timing at the end of each operation.

Abstract: A motor driving system includes a storage unit, a driver, and a controller. The driver includes a first programmable logic device (PLD). The controller includes a second PLD. The storage unit stores a control program. The controller generates a first transmission data to the first PLD and a second transmission data to the second PLD according to the control program. The first PLD generates a first message packet including the first transmission data. The second PLC generates a second message packet including the second transmission data. The first and second PLDs communicate with each other using a full duplex transmission mode or a half duplex transmission mode.

Abstract: An encoder assembly includes an encoder, a fixing cover for receiving the encoder, and a protecting cover for receiving the fixing cover. The encoder includes a main body, and a trumpet-shaped rubber collar extending from a first end of the main body. The fixing cover includes a first open end and a second open end opposite to the first open end. The second open end engages with an outer side of the rubber collar. The protecting cover includes an open end and a closed end opposite to the open end. A circular protrusion extends from an inner wall of the closed end to engage with an inner side of the rubber collar.

Abstract: A method for setting valve action, used by a control system having a dialog box, includes choosing a start/stop mode of the valve action. A dialog box of the control system shows start/stop condition fields according to the start/stop mode of the valve action. A start/stop condition field for start/stop timing of the valve action is set.