Abstract: A machine tool includes a movement device, which has a first feed shaft and a second feed shaft that mutually intersect, and a plurality of tools, which are driven by the movement device and respective blade edges of which are staggered stepwise. The blade edges of the tools are aligned with the second axis due to the inclination of the tools as a unit. The machine tool is capable of executing center level adjustment of a plurality of tools mounted on a tool post against a workpiece having a larger diameter, and is also capable of reducing wasted time in non-cutting operation via equal stroke lengths of the tools.

Abstract: A mold of a brake pad friction material, including a mold member fitted into a mold frame into which a powder material of the brake pad friction material is put, in which the mold member is configured such that a pressing surface in a surface of the mold member, which forms a region abutting the powder material put into a mold frame, has a concave shape that is formed by being gradually recessed from both end portion sides to a center portion side of the pressing surface.

Abstract: A main spindle located in a region of a rotary guide bush device where the rotary guide bush device (has been attached to be disposed in a position of a front (F) along an axis (C) direction when the rotary guide bush device having a guide bush, which is supported in a removable manner by a guide bush-supporting base (supporting base) provided in the front (F) along the axis (C) direction of the main spindle, is removed. A seal member (fixed to the guide bush-supporting base has contact with an outer circumferential surface of a main spindle cover over an entire circumference, so that processing with or without the guide bush can be selected and a complicated process required for switching the processing with or without the guide bush can be simplified.

Abstract: Provided is a machine tool control device which does not require an operator to enter the execution order of machining programs before testing a machine tool, enabling easy debugging of the machining programs. A machine tool control device (100) sequentially executes a plurality of machining programs (S1, S2) in a unit of machining program block (S1-1, S1-2, S2-1, S2-2) to a wait command (da1-1, da1-2, da2-1, da2-2) in ascending order of the system number (1, 2) of the machining programs (S1, S2) without executing machining program blocks (S1-1, S1-2, S2-1, S2-2) in parallel between the machining programs (S1, S2).

Abstract: There are provided a workpiece and a gripping mechanism capable of shortening the handling time not involved in machining, shortening the overall time required for producing a plurality of finished members, accurately positioning the workpiece even if there is an axial dimension error, lessening waste of a material and reducing the burden of disposal of discharged chips. The workpiece has a shape in which plural raw blanks that become products by material removal are integrally molded. The gripping mechanism comprises a free moving means that relatively and freely moves a gripper and the workpiece, and a positioning means for defining the axial gripping position of the gripper and the workpiece.

Abstract: A mold of a brake pad friction material, including a mold member fitted into a mold frame into which a powder material of the brake pad friction material is put, in which the mold member is configured such that a pressing surface in a surface of the mold member, which forms a region abutting the powder material put into a mold frame, has a concave shape that is formed by being gradually recessed from both end portion sides to a center portion side of the pressing surface.

Abstract: To prevent entrance of swarf or cutting oil from a workpiece recovery opening, in a workpiece recovery unit, a cover 21 which covers an upper side and a lateral side of a workpiece recovery opening 19 opening in an upper side of a workpiece recovery section 18 disposed lateral to a holder 13 which holds a processed workpiece 1?, a workpiece transport path 23 from an entrance 22 opening in a lower side provided in the cover 21 to the recovery opening 19 is formed in a step-like shape, the holder 13 is supported so as to be movable in an up-and-down direction and a right-and-left direction, the workpiece 1? is moved along the transport path 23 by the holder 13, and is transported to the upper side of the recovery opening 19 from the entrance 22 so as to be recovered in the recovery opening 19.

Abstract: A method for machining a work in a work machining apparatus provided with a movable main spindle moving between a work supply position and a work take-out position, includes arranging a tool rest on the movable main spindle to move integrally with the movable main spindle, supplying the work at the work supply position to the movable main spindle, moving the movable main spindle from the work supply position toward the work take-out position, machining the work held on the movable spindle with a tool of the tool rest while moving the movable main spindle from the work supply position toward the work take-out position, and taking out the work at the work take-out position from the movable main spindle.

Abstract: There is provided a workpiece separation apparatus permitting input of a mixture of workpieces and chips stably within a flow current and separating them accurately and efficiently. The workpiece separation apparatus includes an input cylinder inserted within a separating container, and a fluid supplying means arranged so as to supply fluid to the separating container from a part lower than a lower end of the input cylinder, and configured such that the fluid overflows and flows out of the upper end of the separating container due to a flow current generated within the separating container, and such that the level of the fluid rises up in the input cylinder and the fluid does not flow out of the upper end of the input cylinder, but is maintained substantially in a resting state and at a level above the level of the upper end of the separating container.

Abstract: There is provided a workpiece separation apparatus permitting input of a mixture of workpieces and chips stably within a flow current and separating them accurately and efficiently. The workpiece separation apparatus includes an input cylinder inserted within a separating container, and a fluid supplying means arranged so as to supply fluid to the separating container from a part lower than a lower end of the input cylinder, and configured such that the fluid overflows and flows out of the upper end of the separating container due to a flow current generated within the separating container, and such that the level of the fluid rises up in the input cylinder and the fluid does not flow out of the upper end of the input cylinder, but is maintained substantially in a resting state and at a level above the level of the upper end of the separating container.

Abstract: A main spindle (11) is moved to a region of a rotary guide bush device (30) where the rotary guide bush device (30) has been attached to be disposed in a position of a front (F) along an axis (C) direction when the rotary guide bush device (30) having a guide bush (31) (guide bush), which is supported in a removable manner by a guide bush-supporting base (20) (supporting base) provided in the front (F) along the axis (C) direction of the main spindle (11), is removed, and a seal member (60) fixed to the guide bush-supporting base (20) has contact with an outer circumference surface (12a) of a main spindle cover (12) over an entire circumference, so that processing with or without the guide bush can be selected and a complicated process required for switching the processing with or without the guide bush can be simplified.

Abstract: A machine tool includes a movement device, which has a first feed shaft and a second feed shaft that mutually intersect, and a plurality of tools, which are driven by the movement device and respective blade edges of which are staggered stepwise. The blade edges of the tools are aligned with the second axis due to the inclination of the tools as a unit. The machine tool is capable of executing center level adjustment of a plurality of tools mounted on a tool post against a workpiece having a larger diameter, and is also capable of reducing wasted time in non-cutting operation via equal stroke lengths of the tools.

Abstract: To prevent entrance of swarf or cutting oil from a workpiece recovery opening, in a workpiece recovery unit, a cover 21 which covers an upper side and a lateral side of a workpiece recovery opening 19 opening in an upper side of a workpiece recovery section 18 disposed lateral to a holder 13 which holds a processed workpiece 1?, a workpiece transport path 23 from an entrance 22 opening in a lower side provided in the cover 21 to the recovery opening 19 is formed in a step-like shape, the holder 13 is supported so as to be movable in an up-and-down direction and a right-and-left direction, the workpiece 1? is moved along the transport path 23 by the holder 13, and is transported to the upper side of the recovery opening 19 from the entrance 22 so as to be recovered in the recovery opening 19.

Abstract: Provided is a machine tool control device which does not require an operator to enter the execution order of machining programs before testing a machine tool, enabling easy debugging of the machining programs. A machine tool control device (100) sequentially executes a plurality of machining programs (S1, S2) in a unit of machining program block (S1-1, S1-2, S2-1, S2-2) to a wait command (da1-1, da1-2, da2-1, da2-2) in ascending order of the system number (1, 2) of the machining programs (S1, S2) without executing machining program blocks (S1-1, S1-2, S2-1, S2-2) in parallel between the machining programs (S1, S2).

Abstract: There is provided a workpiece separation apparatus permitting to input a mixture of workpieces and chips stably within a flow current and to separate them accurately and efficiently. The workpiece separation apparatus includes an input cylinder (120) inserted within a separating container (110) and a fluid supplying means (130) arranged so as to supply fluid to the separating container (110) from a part lower than a lower end of the input cylinder (120), and configured such that the fluid overflows and flows out of the upper end of the separating container (110) due to a flow current generated within the separating container (110) and such that a fluid level of the fluid rises up in the input cylinder (120) and the fluid does not flow out of the upper end of the input cylinder (120).

Abstract: There are provided a workpiece and a gripping mechanism capable of shortening the handling time not involved in machining, shortening the overall time required for producing a plurality of finished members, accurately positioning the workpiece even if there is an axial dimension error, lessening waste of a material and reducing the burden of disposal of discharged chips. The workpiece has a shape in which plural raw blanks that become products by material removal are integrally molded. The gripping mechanism comprises a free moving means that relatively and freely moves a gripper and the workpiece, and a positioning means for defining the axial gripping position of the gripper and the workpiece.

Abstract: A work machining apparatus capable of reducing the stand-by time in each main spindle as much as possible and can improve the operation ratio is provided. In a work machining apparatus having at least one movable spindle 22 which moves forward and backward between the work supply position and the work take-out position, in which a work is supplied to movable main spindle 22 at the supply position, the movable main spindle 22 is moved from the supply position to the take-out position and the work is taken out from the movable main spindle 22 at the supply position, whereby the work is conveyed from the supply position to the take-out position, wherein a tool rest 6 corresponding to the movable main spindle 22 is provided integrally with the movable main spindle 22 and movably on the movable spindle 22, thereby enabling the tool on the tool rest 6 to process the work held on the movable main spindle 22 during the conveyance movement of the work by the movable main spindle 22.

Abstract: The invention provides a machining tool capable of improving work production efficiency and downsizing the whole machine. In the machining tool having a plurality of spindles 111 and a plurality of tool rests 120, the respective tool rests 120 are disposed on the side of the end surface of the spindles 111, a workpiece holding means 130 is provided at least on one of the neighboring two tool rests 120, a moving range of the tool rest 120 having the workpiece holding means 130 is set so as to include position where the both spindles 111 face to the workpiece holding means 130, a moving range of the tool rest 120 corresponding to the neighboring spindle 111 described above is set so that at least part thereof overlaps with the moving range of the tool rest 120 and so that it is slidably moved to position for avoiding the tool rests 120 from abutting from each other.

Abstract: A machining tool for speeding the transfer of workpieces among a plurality of spindles, downsizing the machine and facilitating maintenance, includes a plurality of spindles and a plurality of tool rests. The spindles are juxtaposed movably in the X-axis direction and each of the tool rests is disposed on an end surface of the spindle. The workpiece is machined by moving the spindle in the X-axis direction and moving the spindle and the tool rest relatively in the Z-axis direction. A workpiece holder between the neighboring two spindles and the moving ranges of the neighboring spindles in the X-axis direction are set to include a position where the spindles face the workpiece holder so that the workpiece may be transferred among the spindles and the workpiece holder.