The invention provides a gear grinding machine and a gear grinding machine operation control method. By means of the gear grinding machine, a motor control module triggers a power module to terminatethe power transmission between the power module and a power supply system 5 and cut off the electrical connection between the power module and peripheral equipment when a feedback signal of the powermodule is received by the motor control module and indicates that an input voltage of the power supply system 5 is lower than a first voltage threshold; and a numerical control module triggers the motor control module to control a motor through residual power on a DC bus according to the feedback signal of the power module so as to drive a tool in a gear grinding machine body to get away from a to-be-machined workpiece in the X direction and keep the interpolation relationship of the tool between the movement in the Y direction parallel to a rotating axis of the tool and the Z direction perpendicular to the X direction and between the rotating direction of the tool and the rotating direction of the to-be-machined workpiece, wherein the X direction is the overall movement direction of the tool and a tool rest, and the tool rest is used for driving the tool to move in other directions except the X direction. By means of the scheme, the tool of the gear grinding machine can be prevented from colliding with the workpiece or a machine tool.

Gear grinding machine and gear grinding machine operation control method

The invention relates to a power-off protection method of a spindle hydrostatic guideway. The power-off protection method of the spindle hydrostatic guideway comprises a power supply device, a power supply detecting device, speed adjusting devices, a controller, a DC/CD working power supply device, a spindle driving motor, a hydrostatic oil pump driving motor and the like. When a numerical control machine tool is normally supplied with power, spindle driving, feeding, hydrostatic oil pump driving and the like normally operate according to an order of the controller correspondingly. When external power supply is abnormally interrupted, the working procedures and steps of the power-off protection method of the spindle hydrostatic guideway are that an external power supply is detected, specifically, the external power supply circularly operates to monitor an external power supply signal and sends the detected signal to the controller; when the external power supply is interrupted, the external power supply is subjected to protective control; whether a hydrostatic spindle operates or not is judged; if the hydrostatic spindle operates, mechanical kinetic energy is converted into electric energy, and the electric energy is stored into the power supply device to supply power to the hydrostatic oil pump driving motor; and if the hydrostatic spindle stops operating, spindle hydrostatic guideway protecting work is completed. The power-off protection method of the spindle hydrostatic guideway has the advantages that the structure principle is simple, cost is low, the resources are recycled, free of pollution is achieved, and reliability and safety are high.

Power-off protection method of spindle hydrostatic guideway

The invention belongs to the field of numerically-controlled machine tools and provides a real-time monitoring system based on the industrial numerical control machine tool and the working method thereof and is suitable for machine tool requiring real-time monitoring of a machining state of the machine tool and monitoring of a machining site. The real-time monitoring system comprises a numerical control machine tool machining unit module, an industrial router internet access module, a remote monitoring unit module and a wireless terminal display control module. The real-time monitoring system,remote monitoring is carried out in a wireless connection mode, corresponding video streams are obtained by processing data shot by a camera, then the video streams are transmitted to a cloud serverand finally can be accessed by other computer terminals, and the space shot by the camera can be remotely monitored. The system is installed on the machine tool, remote monitoring can be achieved, a user does not need to walk to a machining area for observation, unnecessary dangers are avoided, and working efficiency is improved.

Real-time monitoring system based on industrial numerical control machine tool and working method thereof

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Power-off protection method of spindle hydrostatic guideway

Real-time monitoring system based on industrial numerical control machine tool and working method thereof