Yamazaki Mazak Corporation

Okazaki, Japan

Yamazaki Mazak Corporation

Okazaki, Japan
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In order to provide a machine tool that enables a worker to highly accurately correct an environmental temperature system thermal displacement correction amount based on temperatures of members constituting the machine tool, the machine tool includes a workpiece holding unit configured to hold a workpiece and be drivingly moved in a predetermined direction and/or drivingly rotated to machine the workpiece, a tool holding unit configured to hold a tool for machining the workpiece and be drivingly moved in a predetermined direction and/or drivingly rotated to machine the workpiece, a plurality of temperature sensors attached to members constituting the machine tool, and an environmental temperature system thermal displacement amount estimation unit configured to calculate an environmental temperature system thermal displacement amount based on temperature values each measured by a corresponding one of the plurality of temperature sensors. In the machine tool, an environmental temperature system thermal displacement correction amount is calculated by multiplying a calculation-based thermal displacement correction amount for compensating the environmental temperature system thermal displacement amount by a correction magnification, and environmental temperature system thermal displacement correction control is performed based on the environmental temperature system thermal displacement correction amount. Further, a graph display function for supporting the adjustment of the correction magnification is provided.


Patent
Yamazaki Mazak Corporation | Date: 2017-03-01

The invention provides a tool magazine that can be manufactured at low cost with simple configuration and can increase the number of tools to be stored. A tool magazine (1) according to the invention includes: a tool carriage (14) that is movable along a circulation path; a tool holder (16) to which tool pots (18, 19) are mountable; a tool holder actuator (64) that allows the tool holder (16) to pivot; and a tool pot stopper (74) that positions each of the tool pots (18). The tool holder (16) has two tool pot sockets (50, 52). In a state in which the first tool pot (18) is mounted to the first tool pot socket (50) and the second tool pot (19) is mounted to the second tool pot socket (52), the first tool pot (18) forms a predetermined angle with the second tool pot (19).


Patent
Yamazaki Mazak Corporation | Date: 2017-03-29

A turret tool rest includes a main shaft for rotating a tool, a mill housing including a mill housing connection shaft into which the main shaft is inserted, a turret turning shaft into which the mill housing connection shaft is inserted, a turret to which one end of the turret turning shaft is fixed, a joint base fixed to one end of the mill housing connection shaft, and a turret base which supports the turret turning shaft. The mill housing is disposed inside the turret. The joint base includes an engagement mechanism which switches between coupling to the turret base and coupling to the turret turning shaft.


Patent
Yamazaki Mazak Corporation | Date: 2017-03-29

A machine tool includes a pallet change unit (20) in front of the main machine (10). The main machine (10) includes a table (12). The pallet change unit (20) includes a pallet change base (21), a pallet change slider (22), and a pallet turning arm (23). The operator door (50) partitions between the main machine (10) and the pallet change unit (20). The access door device (100) includes a machine entry door (110) and a first internal machine cover (120). The machine entry door (110) is mounted on a main body cover (26) of the pallet change unit (20) through a hinge (112). The first internal machine cover (120) is mounted on the open edge of the machine entry door (110) through a hinge (122). On the open edge of the first internal machine cover (120), a second internal machine cover (140) is mounted through a hinge (142). The second internal machine cover (140) is guided by a linear guide (150) and a reciprocating-movement control mechanism (155).


Patent
Yamazaki Mazak Corporation | Date: 2017-03-29

While display objects are being displayed in either one of a program data display area and a process list display area, and when a specific point is indicated in the one of the display areas via an input device, a display control module considers that a designated display object is the display object defined by the display object of the one of the display areas and the specific point, and differentiates the designated display object from the other display objects. Moreover, the display control module decides that the designated display object of the other of the display areas is the display candidate corresponding to the designated display object of the one of the display areas, includes the designated display object in the display objects of the other of the display areas, and differentiates the designated display object from the other display objects.


Patent
Yamazaki Mazak Corporation | Date: 2017-05-03

A table clamp device for positioning and clamping a rotary table that rotates between a plurality of positions at a predetermined position with respect to a base section that supports the rotary table in a rotatable manner, the table clamp device including a reference rail attached to an attachment surface of the base section, a slider section attached in a movable manner along the reference rail, and a movement mechanism for moving the slider section on the reference rail, where the rotary table is positioned and clamped to the base section by means of the slider section by engagement of the slider section with a part of the rotary table.


Patent
Yamazaki Mazak Corporation | Date: 2017-02-22

A machining program editing assist apparatus includes a display controller. While the display objects are being displayed in either one of the program data display area and the process list display area, the display controller decides that a designated display object of the one of the display areas is the display object designated by the display objects of the one of the display areas and a specific point, differentiates the designated display object from the other display objects in the one of the display areas, decides that a designated display object of the other of the display areas is the display candidate of the other of the display areas, includes the designated display object in the display objects of the other of the display areas, and differentiates the designated display object from the other display objects in the other of the display areas.


Patent
Yamazaki Mazak Corporation | Date: 2017-02-23

A machining program editing assist apparatus includes a display controller. When a specific portion on a shape display area is designated via an input device, the display controller allows a display candidate specified by the specific portion to be displayed as a designated display target of the shape display area, and allows at least one portion of data being among at least one display candidate of a program data display area and sectioned by a machining process constituting the at least one machining process and corresponding to the designated display target of the shape display area to be displayed as a designated display target of the program data display area on the program data display area in a state in which a beginning of the at least one portion of data is set to a display start position of the program data display area.


Patent
Yamazaki Mazak Corporation | Date: 2017-04-19

The present invention provides a device having a menu display function that makes it possible for the operator to readily comprehend a hierarchical structure of menus and simply select a menu switch so as to improve ease of operation. For this purpose, the device includes a CPU and a touch-panel display. The device includes a first display mode and a second display mode. Control functions are assigned to menu switches of a plurality of menus. In the first display mode, one specific menu from among the menus is displayed. In the second display mode, all of the menus are displayed without overlapping with each other. The CPU switches between the first display mode and the second display mode so as to display the menus in the touch-panel display.


Patent
Yamazaki Mazak Corporation | Date: 2017-04-19

The invention provides a machine tool capable of machining a larger workpiece precisely and accurately. A machine tool (1) of the invention includes a first rotor (10), an enclosure (48), a first rail (58), a second rail (56), and a coupling member (66). The first rotor (10) is surrounded by the enclosure (48). The first rail (58) is disposed on the first rotor (10). The second rail (56) is disposed on the enclosure (48) so as to be brought into alignment with the first rail (58) at a predetermined rotational position. The coupling member (66) moves along the first rail (58) and the second rail (56), engages with the first rail (58) and the second rail (56) in a first state, and engages with the second rail (56) without engaging with the first rail (58) in a second state.

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