Abstract: Provided is a polishing composition that enables polishing a resin object to be polished at a high polishing removal rate and enables polishing the surface of a resin object to be polished into a flat and smooth surface. The polishing composition includes abrasives, a surfactant, and water, and the surfactant includes an acetylene compound having a carbon-carbon triple bond and represented by Chemical Formula (1). In Chemical Formula (1), R1, R2, R3, and R4 are each independently a hydrogen atom or a substituted or unsubstituted alkyl group having 1 or more and 20 or less carbon atoms; R5 and R6 are each independently a substituted or unsubstituted alkylene group having 1 or more and 5 or less carbon atoms; m is an integer of 1 or more; n is an integer of 0 or more; and m+n is 50 or less. The polishing composition is used to polish a resin object to be polished.

Abstract: A brake control device for controlling a brake device of the non-excitation-actuated type includes: a power supply; a brake control unit outputting a brake control signal; an opening/closing unit opening and closing a circuit between the power supply and brake device according to the brake control signal; a state detection unit outputting a state detection signal indicating an electric potential state of a circuit between the opening/closing unit and the brake device; an abnormality detection unit detecting whether an abnormality is absent or present based on a content of the brake control signal and a content of the state detection signal; a brake lock switch connected between input terminals of the brake device to be connected in parallel with the brake device; and a brake lock switch control unit closing the brake lock switch when the abnormality is detected by the abnormality detection unit.

Abstract: A production system between processes is automatically determined using work performance data acquired at a production site, and a process model in which a flow shop and a job shop are mixed is automatically generated. A process model automatic generation system 210 reads work performance data from work performance data 120 and extracts a process flow for each product (130). Next, a synthesis flow obtained by combining a plurality of process flows is created, and a production system between processes corresponding to a closed path is changed to a job shop to automatically determine a production system (140). Finally, a process model in which a flow shop and a job shop are mixed is generated (150) and displayed on a display screen 160.

Abstract: To provide a technique for supporting generation of a process model suitable for a task generated on a site. A process model creation system creates a model used for managing, in a process including a plurality of tasks, site data acquired on a site of each task, and defining a flow of the tasks in the process. The process model creation system includes: a model accumulation unit configured to accumulate the model; a difference data creation unit configured to create, based on the site data acquired on the site, an instance indicating a flow of actually executed tasks, and extract differences between the instance and the model as difference data; and a model modification unit configured to create a modification proposal of the model based on the difference data.

Abstract: An image processing apparatus includes a first printing unit; a printing controller that performs control of the first printing unit; a controller that performs at least control other than control of the first printing unit; a first tampering detector that performs detection of tampering of a first program to be stored in a first non-volatile memory and to be executed by the controller; a second tampering detector that performs detection of tampering of a second program to be stored in a second non-volatile memory and to be executed by the printing controller; and a notification unit that performs a first notification and a second notification with a notification content that differs between the first notification corresponding to a first detection result obtained by the first tampering detector and the second notification corresponding to a second detection result obtained by the second tampering detector.

Abstract: A multifunction device includes: a non-volatile memory storing encrypted information, which is information that is encrypted; a TPM for decrypting the encrypted information; and a main board communicating with the non-volatile memory and the TPM. The non-volatile memory and the TPM are attachable to and removable from the main board, as a single body. More specifically, the multifunction device includes: a first sub board which has the non-volatile memory attached thereto and is attachable to and removable from the main board; and a chip board which has the TPM attached thereto and is attachable and removable from the first sub board.

Abstract: The objective of the present invention is to improve non-defective product yield by reducing shrinkage cavities inside small-diameter ingots, in a method for casting active metals. In this Ti—Al based alloy casting method for casting an ingot of Ti—Al based alloy by tapping molten metal from a tapping hole (5) provided in a bottom portion of a water-cooled copper crucible (2), in an induction melting furnace (3) employing said crucible (2), into a casting mold (4), the degree of vacuum inside the induction melting furnace (3) when the Ti—Al based alloy is being melted or cast is in a range of 80 to 700 Torr, and the Al concentration in the cast ingot is within ±1.0 mass % of a target value.

Abstract: A method includes the production of a primary ingot, the production of a secondary ingot, and the removal of a flux layer. A CaO—CaF2 flux in a content of 3-20 mass % and obtained by mixing 35-95 mass % of CaF2 with CaO is added to a Ti—Al alloy material including a total of at least 0.1 mass % of oxygen and at least 40 mass % of Al, and the resultant substance is melted by a melting method using a water-cooled copper container in an atmosphere having a pressure of 1.33 Pa or higher and held to produce the primary ingot. The primary ingot is continuously drawn downwards while being melted by a melting method using a bottomless water-cooled copper casting mould in an atmosphere having a pressure of 1.33 Pa or higher to produce the secondary ingot. The flux layer deposited on the surface of the secondary ingot is mechanically removed.

Abstract: Disclosed herein is a method for deoxidizing an Al—Nb—Ti alloy, which includes melting and holding an Al—Nb—Ti alloy containing from 50 to 75 mass % of Al, from 5 to 30 mass % of Nb, and 80 mass % or less in total of Al and Nb by a melting method using a water-cooled copper vessel in an atmosphere of 1.33 Pa to 2.67×105 Pa at a temperature of 1,900 K or more, thereby decreasing an oxygen content thereof. The Al—Nb—Ti alloy is prepared using an alloy material formed of an aluminum material, a niobium material and a titanium material and containing oxygen in a total amount of 0.5 mass % or more.

Abstract: Provided is a production method and a production apparatus that increase a throughput of nickel sulfate per equipment. A first dissolution step I of introducing a nickel briquette, sulfuric acid, and water to a leaching tank (1) and dissolving the nickel briquette to obtain a primary nickel sulfate solution, and a second dissolution step II of introducing the primary nickel sulfate solution and additionally introducing a nickel briquette to a leaching adjustment tank (2) and dissolving the additionally introduced nickel briquette with free sulfuric acid in the primary nickel sulfate solution to obtain a nickel sulfate solution are executed in this order.

Abstract: A process model is created from site data generated in a process. A process model creation system includes: a site data acquiring section that acquires, as site data, task information related to one or more tasks implemented for a process including the tasks, and task-related information related to the implemented tasks; an instance creating section that creates a step instance by associating the task-related information with the corresponding task information; and a process model creating section that creates, from one or more step instances, a process model which is a model representing a relationship between the one or more tasks in the process.

Abstract: A multifunction device includes: a non-volatile memory storing encrypted information, which is information that is encrypted; a TPM for decrypting the encrypted information; and a main board communicating with the non-volatile memory and the TPM. The non-volatile memory and the TPM are attachable to and removable from the main board, as a single body. More specifically, the multifunction device includes: a first sub board which has the non-volatile memory attached thereto and is attachable to and removable from the main board; and a chip board which has the TPM attached thereto and is attachable and removable from the first sub board.

Abstract: A casting method of an active metal includes, in an induction melting furnace using a water-cooled crucible, tapping a molten metal into a mold from a tapping hole provided at a bottom of the water-cooled copper crucible to cast an ingot of the active metal. In conducting the casting under a casting condition in which the ingot has a diameter (D) of 10 mm or more and a ratio (H/D) of an ingot height H to the ingot diameter D of 1.5 or more and a weight of the molten metal tapped in the casting is 200 kg or less, a temperature of the molten metal in the casting is set to be higher than the melting point of the active metal and a casting velocity V (mm/sec) is controlled to satisfy V?0.1H in relation with the ingot height H by adjusting an opening diameter of the tapping hole.

Abstract: A method includes the production of a primary ingot, the production of a secondary ingot, and the removal of a flux layer. A CaO—CaF2 flux in a content of 3-20 mass % and obtained by mixing 35-95 mass % of CaF2 with CaO is added to a Ti—Al alloy material including a total of at least 0.1 mass % of oxygen and at least 40 mass % of Al, and the resultant substance is melted by a melting method using a water-cooled copper container in an atmosphere having a pressure of 1.33 Pa or higher and held to produce the primary ingot. The primary ingot is continuously drawn downwards while being melted by a melting method using a bottomless water-cooled copper casting mould in an atmosphere having a pressure of 1.33 Pa or higher to produce the secondary ingot. The flux layer deposited on the surface of the secondary ingot is mechanically removed.

Abstract: A motor drive apparatus includes a converter configured to convert AC power from an AC power supply into DC power and then output the DC power to a DC link, a capacitor provided in the DC link, an inverter configured to convert DC power in the DC link into AC power for motor drive, a discharge circuit which is provided in parallel with the capacitor in the DC link, and is selectively switched between a discharge operation of discharging DC power in the DC link by electrically connecting the discharge circuit and the capacitor to each other, and a non-discharge operation of cutting electric connection between the discharge circuit and the capacitor, and a discharge circuit drive unit configured to perform switch drive of the discharge operation and the non-discharge operation of the discharge circuit by using DC power of the DC link as drive power for the switch drive.

Abstract: A motor drive apparatus includes a converter configured to convert AC power from an AC power supply into DC power and then output the DC power to a DC link, a capacitor provided in the DC link, an inverter configured to convert DC power in the DC link into AC power for motor drive, a discharge circuit which is provided in parallel with the capacitor in the DC link, and is selectively switched between a discharge operation of discharging DC power in the DC link by electrically connecting the discharge circuit and the capacitor to each other, and a non-discharge operation of cutting electric connection between the discharge circuit and the capacitor, and a discharge circuit drive unit configured to perform switch drive of the discharge operation and the non-discharge operation of the discharge circuit by using DC power of the DC link as drive power for the switch drive.

Abstract: A casting method of an active metal includes, in an induction melting furnace using a water-cooled crucible, tapping a molten metal into a mold from a tapping hole provided at a bottom of the water-cooled copper crucible to cast an ingot of the active metal. In conducting the casting under a casting condition in which the ingot has a diameter (D) of 10 mm or more and a ratio (H/D) of an ingot height H to the ingot diameter D of 1.5 or more and a weight of the molten metal tapped in the casting is 200 kg or less, a temperature of the molten metal in the casting is set to be higher than the melting point of the active metal and a casting velocity V (mm/sec) is controlled to satisfy V?0.1H in relation with the ingot height H by adjusting an opening diameter of the tapping hole.

Abstract: Provided is a motor drive device including: a current detector that detects a current flowing through a power line supplying power to a brake-equipped motor; and a controller that controls the brake-equipped motor based on the current value detected by the current detector. The controller includes a determination part that determines, when actuating the brake-equipped motor whose brake is in a braking state, states of the power line and the brake-equipped motor, based on the current value detected by the current detector after applying a voltage between the power lines. The controller outputs a release instruction signal for releasing the brake when the determination part determines that the states are normal.

Abstract: This boron-containing aluminum material is obtained by carrying out the following: a mixed powder, obtained by mixing a boride powder containing first boride particles, second boride particles and particles of unavoidable impurities with an aluminum powder or aluminum alloy powder that forms a matrix, is filled into in a square aluminum pipe having a prescribed shape and then rolled by using pressure rolls the gap between which is adjusted.