Abstract: A screw fastening apparatus for fastening a screw member having a bearing surface with respect to a member to be fastened by rotating the screw member from a theoretical seating point to a target rotational angle, including a rotational angle sensor which senses rotational angle values of the screw member for fastening the screw member, a torque detector which detects torque values for fastening the screw member, a torque value difference detector which detects a plurality of torque value differences, each of the torque value differences is a difference of the torque values detected at intervals of a constant rotational angle, a slip detector which detects a slip of the screw member with respect to the member to be fastened, from an average of the torque value differences, and a screw fastening discontinuing unit which instructs to discontinue the screw fastening when the slip is detected by the slip detector.

Abstract: An adhesive inspection device inspects an application state of an adhesive that is linearly applied in a triangular cross-sectional shape onto a surface of fixed window glass for an automobile. The adhesive inspection device includes a laser irradiation unit configured to irradiate an adhesive with line laser light from above the adhesive so that a projection line extends over a surface of the adhesive to portions of the glass on both sides of the adhesive, an imaging unit configured to image, from above the adhesive, an imaging region that includes the projection line and is located on the periphery of the adhesive, and output imaging information, and a determination unit configured to determine, based on the imaging information, a shape surrounded by the projection line formed on the surface of the adhesive and a surface of the glass.

Abstract: An adhesive inspection device inspects an application state of an adhesive that is linearly applied in a triangular cross-sectional shape onto a surface of fixed window glass for an automobile. The adhesive inspection device includes a laser irradiation unit configured to irradiate an adhesive with line laser light from above the adhesive so that a projection line extends over a surface of the adhesive to portions of the glass on both sides of the adhesive, an imaging unit configured to image, from above the adhesive, an imaging region that includes the projection line and is located on the periphery of the adhesive, and output imaging information, and a determination unit configured to determine, based on the imaging information, a shape surrounded by the projection line formed on the surface of the adhesive and a surface of the glass.

Abstract: A screw fastening apparatus for fastening a screw member having a bearing surface with respect to a member to be fastened by rotating the screw member from a theoretical seating point to a target rotational angle, including a rotational angle sensor which senses rotational angle values of the screw member for fastening the screw member, a torque detector which detects torque values for fastening the screw member, a torque value difference detector which detects a plurality of torque value differences, each of the torque value differences is a difference of the torque values detected at intervals of a constant rotational angle, a slip detector which detects a slip of the screw member with respect to the member to be fastened, from an average of the torque value differences, and a screw fastening discontinuing unit which instructs to discontinue the screw fastening when the slip is detected by the slip detector.

Abstract: Provided is a valve clearance adjusting method by which an accurate valve clearance adjustment can be easily performed regardless of the tolerance of pitch dimensions of an adjusting screw. The valve clearance adjusting method including: measuring a cam profile of the camshaft 50 mounted on the cylinder head 100; identifying, on the basis of a measurement result of the cam profile, a predetermined rotation angle ?V of the camshaft 50 at which a predetermined lift amount corresponding to a predetermined valve clearance is obtained; rotating the camshaft 50 and allowing a pressed portion 61, 71 of the rocker arm 60, 70 to face a cam surface at the predetermined rotation angle ?V; rotating an adjusting screw 90 with the pressed portion faced with the cam surface and setting a valve clearance to zero; and fastening the adjusting screw 90 with a lock nut 91.

Abstract: A control method according to an aspect of the invention includes a process for setting target fastening torque, a pulse interval of neighboring pulses, and an elevated value of torque per pulse, detecting last fastening torque at an Nth pulse (N is a natural number of 1 or more) after seating of a fastening member, setting pulse loading time at an N+1th pulse and pulse strength at the N+1th pulse based on the last fastening torque at the Nth pulse so that fastening torque at the N+1th pulse coincides with a multiple of the elevated value, controlling a fastening tool based on the pulse interval, the pulse loading time, and the pulse strength so that last fastening torque at an N+Mth pulse (M is a natural number of 1 or more) reaches target fastening torque.

Abstract: A control method according to an aspect of the invention includes a process for setting target fastening torque, a pulse interval of neighboring pulses, and an elevated value of torque per pulse, detecting last fastening torque at an Nth pulse (N is a natural number of 1 or more) after seating of a fastening member, setting pulse loading time at an N+1th pulse and pulse strength at the N+1th pulse based on the last fastening torque at the Nth pulse so that fastening torque at the N+1th pulse coincides with a multiple of the elevated value, controlling a fastening tool based on the pulse interval, the pulse loading time, and the pulse strength so that last fastening torque at an N+Mth pulse (M is a natural number of 1 or more) reaches target fastening torque.

Abstract: Even when a pasting target body to which prepregs are pasted has a shape changed portion such as a curved portion, prepreg pasting states are accurately inspected. A prepreg pasting state inspection apparatus for inspecting a gap between adjacent prepregs on a pasting target body has a laser for emitting slit light along an inclined plane so that a projected pattern of the slit light is formed across the adjacent prepregs, a camera for imaging an irradiation region of the laser, and a control unit for determining whether the gap between the adjacent prepregs is within an allowance based on a signal from the camera. The apparatus also has a range sensor for measuring a distance between a reference position and the irradiation region, and focus adjusting units for adjusting focus positions of the camera and the laser based on the signal from the range sensor.

Abstract: A fastening part tightening management system (1) that manages a tightening state of a fastening part such as a screw to fix a constituent part of an aircraft in an aircraft assembling process includes a manual torque wrench (2) that tightens a fastening part up to a set torque while activating a tightening torque and detects and transmits tightening torque information acting on the fastening part, a marking pen (3) that performs marking to the fastening part, the tightening operation of which is ended by the manual torque wrench (2), detects a writing pressure in the marking, and transmits marking completion information; an information processing device (5) that determines a tightening state of the fastening part based on the tightening torque information and the marking completion information, and a mobile information terminal (4) that notifies an operator of a determination result obtained by the information processing device (5).

Abstract: A method of assembling a swash plate-type fluid machine, comprising: bringing, with each of a plurality of pistons suspended by a swash plate, a shaft assembly in a vertical axis posture and a cylinder block close to each other to insert each of the pistons into a corresponding one of cylinder bores, in incorporating the shaft assembly, which has the plurality of pistons each installed on the swash plate via a pair of shoes matching with both end surfaces of the swash plate, respectively, into the cylinder block.

Abstract: A method of assembling a shaft assembly having a plurality of pistons each installed on a swash plate via a pair of shoes matching with both end surfaces of the swash plate, respectively. The method includes: supporting a shaft having the swash plate in a vertical axis posture; incorporating the shoes between a first guide surface of a guide member and each of the pistons and between a second guide surface of the guide member and that piston, respectively; guiding the plurality of pistons to the swash plate in the vertical axis posture using the guide member; and matching the shoes with both the end surfaces of the swash plate respectively while disposing the pistons at circumferentially equidistant positions of the swash plate, respectively.

Abstract: An assembly device includes a shaft assembly having a plurality of pistons installed on an outer peripheral portion of a swash plate via shoes. The assembly device has a shaft support portion which supports a shaft having the swash plate in a vertical axis posture, a guide member, a shoe incorporation mechanism, a carriage which conveys the plurality of pistons in the vertical axis posture, and a piston holding portion which holds the plurality of pistons. The guide member is equipped with a first guide surface and a second guide surface.

Abstract: A large-diameter-side end surface (104a) of a cotter (104) can be supported by a cotter holder (32) from below through inserting a shaft member (102) along an inner periphery of the cotter (104) from above the cotter (104). In this state, a protrusion (104b) of the cotter (104) and an annular groove (102a) of the shaft member (102) are fitted to each other, and the cotter (104) and a retainer (103) are taper-fitted to each other. Consequently, the cotter is prevented from being unstable, and hence it is possible to assemble the retainer (103) and the cotter (104) to the shaft member (102) with good accuracy.

Abstract: Even when a pasting target body to which prepregs are pasted has a shape changed portion such as a curved portion, prepreg pasting states are accurately inspected. A prepreg pasting state inspection apparatus 2 for inspecting a gap G between prepregs 4 adjacent on a pasting target body 3 has a laser 21 for emitting slit light LA along an inclined plane so that a projected pattern X of the slit light is formed across the adjacent prepregs 4, a camera 22 for imaging an irradiation region of the laser 21, a control unit 24 as a determination unit for determining whether the gap G between the adjacent prepregs 4 is within an allowance based on a signal from the camera 22, a range sensor 23 for measuring a distance between a reference position and the irradiation region, and focus adjusting units 25 and 26 for adjusting focus positions of the camera 22 and the laser 21 based on the signal from the range sensor 23.

Abstract: An assembly device includes a shaft assembly having a plurality of pistons installed on an outer peripheral portion of a swash plate via shoes. The assembly device has a shaft support portion which supports a shaft having the swash plate in a vertical axis posture, a guide member, a shoe incorporation mechanism, a carriage which conveys the plurality of pistons in the vertical axis posture, and a piston holding portion which holds the plurality of pistons. The guide member is equipped with a first guide surface and a second guide surface.

Abstract: An assembly device includes a shaft assembly having a plurality of pistons installed on an outer peripheral portion of a swash plate via shoes. The assembly device has a shaft support portion which supports a shaft having the swash plate in a vertical axis posture, a guide member, a shoe incorporation mechanism, a carriage which conveys the plurality of pistons in the vertical axis posture, and a piston holding portion which holds the plurality of pistons. The guide member is equipped with a first guide surface and a second guide surface.

Abstract: In a hemming structure of metal plate material with an edge portion (7) of an outer panel (6) hemmed over an edge portion (2) of an inner panel (1), the edge portion (2) of the inner panel (1) has an inside rise portion (3) having a surface plane (3′) down-sloping towards an edge (4) thereof and the edge portion (7) of the outer panel (6) has an outside rise portion (8) telescopically fitted with the inside rise portion (3), a back plane (8′) of the outside rise portion (8) abutting on the surface plane (3′) of the inside rise portion (3).

Abstract: Temperature in the vicinity of a heated point on a work (1) surface on a moving locus of flame poured from a torch (3) is measured, the measured value is inputted into a controlling unit (8). It is converted into a physical quantity which appeals to the perception of a worker, such as light, sound, or vibration, and outputted to warning means (5, 9, and 10). The measured value is compared with a predetermined standard temperature range, and as the measured value approaches the upper limit or the lower limit of the standard temperature range, the physical quantity produced as warning signal is stepwise changed. This permits the worker to perceive the change in the measured value, and to easily change the position of the torch or the moving speed thereof so that the temperature at the heated point is maintained within the standard temperature range.

Abstract: An impact bar having a sectional shape including a cylindrical portion formed of a plate material has a flat rib portion formed by extending both ends of the plate material to an inner side of the cylindrical portion with the leading end of each end being close to or contacting the inner surface of the cylindrical portion. The resulting impact bar provides enhanced strength without an increase in weight.

Abstract: A method and apparatus to permit automatic installation of pistons and shoes on a swash plate, for reducing in costs and improving the quality of a swash plate type compressor. A slide table 52 is provided which is movable in a direction perpendicular to the axis O of a rotating shaft 2. A plurality of pistons 4 to be assembled are disposed on the slide table 52 in a manner parallel to one another. When the slide table 52 is advances, the shoes 7 disposed within a notch 4a in each of the pistons 4 on the slide table 52 are raised to a substantially vertical position by a presser member 54 and the piston 4 is aligned with the peripheral edge of the swash plate. A pair of heads 50 and 51 for supporting the rotating shaft 2 are provided with a shaft support portion 55 for supporting the rotating shaft 2 thereon. A plurality of piston support portions 67 for supporting the pistons are provided around the shaft support portion at circumferential positions.