巻号一覧
55 巻, 3 号
選択された号の論文の28件中1～28を表示しています
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廣瀬 通孝1989 年 55 巻 3 号 p. 437-441
発行日: 1989/03/05
公開日: 2009/10/08
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古川 勇二1989 年 55 巻 3 号 p. 447
発行日: 1989/03/05
公開日: 2009/10/08
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新日本製鐵 (株) 君津製鐵所の保全管理コンピュータシステム今田 武1989 年 55 巻 3 号 p. 448-452
発行日: 1989/03/05
公開日: 2009/10/08
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笹田 栄四郎1989 年 55 巻 3 号 p. 453-457
発行日: 1989/03/05
公開日: 2009/10/08
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後藤 敏彦1989 年 55 巻 3 号 p. 458-460
発行日: 1989/03/05
公開日: 2009/10/08
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菅沢 深, 平野 宏和1989 年 55 巻 3 号 p. 461-465
発行日: 1989/03/05
公開日: 2009/10/08
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川合 慧1989 年 55 巻 3 号 p. 466-470
発行日: 1989/03/05
公開日: 2009/10/08
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木村 泉1989 年 55 巻 3 号 p. 471-475
発行日: 1989/03/05
公開日: 2009/10/08
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森 勇蔵, 山内 和人, 遠藤 勝義1989 年 55 巻 3 号 p. 480-484
発行日: 1989/03/05
公開日: 2009/10/08
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内野 研二1989 年 55 巻 3 号 p. 485-490
発行日: 1989/03/05
公開日: 2009/10/08
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杉下 潤二, 石井 正巳, 河端 則次, 熊本 健一郎1989 年 55 巻 3 号 p. 491-495
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーThis paper describes the results of developmental research on the new porous diamond wheels based on the aluminium alloys. Structual features of the new wheel include various aluminide compounds (Ti/Al or Fe/Al phase) as a part of bond matrix and soluble-type compounds (Na2SO4, MgSO4) as a pore formative substance. The results obtained are as follows : (1) The porous aluminium wheel containing a Ti/Al phase and Na2SO4-compound showed the intermediate performance between the usual metal bonded wheel and resin bonded wheel. (2) In comparison with the consumed power or the tangential grinding force, the porous wheel showed superior performance compared with the poreless diamond wheel. (3) Wear loss of the porous Ti/Al-wheel with MgSO4 compound is smaller than the Na2SO4-wheel, but it has no recognizable effect in the Fe/Al-wheel. (4) Wear loss of the Ti/Al-wheel containing the tough-particles belongs to the G 5-group is very smaller, and the stock removal rate is doubled comparing with the G 2-wheel.抄録全体を表示PDF形式でダウンロード (890K) -
桑原 昌博, 内藤 正, 二村 好純, 山本 修司, 橋本 克司1989 年 55 巻 3 号 p. 496-501
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーThe system called ANDON informs workers of malfunction of equipment, delay in operation and other abnormalities with display lanterns in automobile parts production line and it is widely utilized in TOYOTA. To make this system operate more effectively, a new network which handles many on-off signals that show the malfunction and other operating conditions of equipment in all areas of the plant is developed. The network can link terminals that send or receive signals, programable controlers and computers freely by using twisted paired cable which is 5 km long, and the signals for a maximum 4 000 items can be transmitted in one second. The developed network reduces the cost of ANDON system by 27% and is capable of facilitating addition and change of signals. Also, an equipment management system that links to this network is developed. This system in capable of monitoring the stopping time of the equipment by causes. This system is composed of interface which receives ANDON signals from the network, 8-bit microcomputer which detects the state of equipment and 16-bit personal computer which preserves the data. By the improvement of the production by utilizing this system, it become possible for us to increase the production volume.抄録全体を表示PDF形式でダウンロード (919K) -
加藤 清敬1989 年 55 巻 3 号 p. 502-507
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーThis paper describes a general method of generating n-sided surfaces with C 1 continuity with adjacent surfaces. Considering regular n-sided polygon in two dimensional space (u, v), distance parameters and boundary parameters are defined. And each blending function of n-sides is defined so that the derivative may be “0” on every sides and the value may be “1” on a side and be “0” on the other sides along the boundary of the polygon. The proposed surfaces are obtained by blending these functions and boundary conditions, namely, positions and tangents given along the edges. Theoretical consideration of the surfaces about characteristics, facility in implementing in a computer and calculation time are discussed in detail. As the results this paper concludes that the proposed method makes it possible to generate n-sided patches simply, fast and with fitting in well with solid modelling.抄録全体を表示PDF形式でダウンロード (729K) -
宮崎 俊行, 田中 義弘1989 年 55 巻 3 号 p. 508-513
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーAudible sound is generated in laser beam drilling. In the present paper, experiments on relationship between drilling characteristics and generated sound pressure were carried out for various materials by Q-switched YAG laser. The sound pressure was measured by a microphone with a sensing range of 50 Hz to 13 kHz and a piezoelectric transducer with that of 100 kHz to 1 MHz. The sound pressure of high frequency obtained by the piezoelectric transducer has the same tendency in relationships between sound pressure and drilling characteristics as those obtained by the microphone. Furthermore, higher sound pressure is generated when a deeper hole is drilled ; this is useful for focus positioning in actual operation of laser beam drilling. The sound generated in various materials is also obtained ; higher sound pressure is generated in a target material where a hole of larger volume is drilled.抄録全体を表示PDF形式でダウンロード (3532K) -
劉 錫強, 中野 嘉邦, 加藤 秀雄1989 年 55 巻 3 号 p. 514-519
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーThe present paper aims to develop some practical methods of suppressing the chatter marks having a small pitch of about 2 mm, which appear on the workpiece surface finished by surface grinding. It is found that the cause of this type of chatter mark is the vibration of the wheelhead produced by the interaction of the pulsation of hydraulic oil pressure and the dynamic compliance of the grinding machine structure. It is also found that this type of chatter mark can be suppressed by using an optimally adjusted in-line type accumulator.抄録全体を表示PDF形式でダウンロード (925K) -
松原 十三生, 山本 久隆, 岡村 進, 山野 誠1989 年 55 巻 3 号 p. 520-525
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーThis paper deals with an experimental analysis of deep-hole drilling with supply of high pressure oil. Three characteristics are examined by comparing with normal drilling; that is, critical depth of drilling, surface roughness of drilled holes and tool wear (or tool life). The results obtained are as follows : (1) The supply of high pressure oil accelerates easy removal of chips from the flutes of the drill with oil holes. Deep holes more than ten times of drill diameter can be obtained for carbon steel (S45C) and holes more than fifteen times of drill diameter for stainless steel (SUS 303). (2) The surface roughness of drilled holes is reduced to half compared with that obtained in normal drilling. (3) The supply of high pressure oil suppresses the increase of tool wear and prolongs tool life of the drill by two to three times even for difficult-to-cut material (SUS 304).抄録全体を表示PDF形式でダウンロード (894K) -
江田 弘, 貴志 浩三, 本田 智1989 年 55 巻 3 号 p. 526-531
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーThis paper deals with the longer tool life and prevention of chipping of tool milling cutter of two layer laminated of tool construction subjected to impact load. The two layer laminated milling cutter consist of two stiff rings (outer and inner) and an adhesive layer in between.Which damps the cutting vibration caused by impact forces using the hybrid force control method. the following results were obtained : (1) The dynamic compliance decreased rapidly as adhesive layer became thinner. The optimum thickness is about 1 mm. (2) In the light and precision milling, the tool life with hybrid milling cutter is longer in comparison with the conventional milling cutter. And also, the frequency of chipping generation decrease.抄録全体を表示PDF形式でダウンロード (6602K) -
熱変形速度を考慮した切込み速度制御の研削過程中島 利勝, 塚本 真也, 村上 大介, 佐藤 一伸1989 年 55 巻 3 号 p. 532-537
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーIn this paper by means of systematic controlled the infeed rate of wheel head with grinding time, fundamental analyses of plunge grinding techniques have been considered in order to increase the grinding efficiency without decrease of the grinding quality, with taking account of the thermal deformation rate of wheel and workpiece. Main conclusions are as follows : (1) The bigger infeed rate increases in initial time of spark-in state, the higher actual size generation rate exceeds the infeed rate, because the thermal deformation rate of wheel and workpiece increase rapidly. (2) Decreasing the infeed rate in latter stage of infeed slowly with time, the grinding efficiency can be increased with better surface roughness and size allowance, because the thermal deformation rate of wheel and workpiece don't hardly affect in spark-out state.抄録全体を表示PDF形式でダウンロード (3960K) -
研磨温度と仕上面の色彩評価長谷川 素由, 白山 政敏1989 年 55 巻 3 号 p. 538-544
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーA new method for measuring the surface temperature of the cutting edge on abrasive belt in process is presented. The temperature of the cutting edge is found to be up to near 1000°C with its distribution of double exponential under the experimental conditions that the grinding velocity is 480-1920 m / min and the contact pressure is 11.2-45.6 kPa. The experimental results obtained on the colour and the colour difference of the ground surface show that the hue is close to 90° direction and the chroma is measured on the side of the yellow and further the lightness is located comparatively large extension on the side of the black. The experimental results of colour difference indicate that the mean grinding temperature comes to a level of 550°C what is recognizable burn out. After reaching its temperature, the quality of the belt ground surface decrease with an increase of the temperature.抄録全体を表示PDF形式でダウンロード (1041K) -
笠原 和夫, 広田 明彦1989 年 55 巻 3 号 p. 545-550
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーIn order to predict analytically torque, thrust force and chip formation in drilling, cutting models for main cutting edge and for chisel edge with a uniformly restricted tool-chip contact length were developed in previous papers. 'In this paper, geometrical similarity conditions for drills of various diameters are discussed. From these conditions and the specific cutting forces, equations for torque and thrust force are derived. It is also found experimentally that the values of specific cutting forces on the main cutting edge and on the chisel edge are held in constant respectively, when the similarity conditions are satisfied. By considering the variation of specific cutting forces changing with rake angle, undeformed chip thickness and the condition of tool-chip contact on the tool face at the chisel edge, using the concept of the cutting models and the similarity conditions gives easily to estimate the torque and thrust force for drills of various diameters.抄録全体を表示PDF形式でダウンロード (961K) -
萩原 親作, 帯川 利之, 臼井 英治1989 年 55 巻 3 号 p. 551-556
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーThe edge fracture characteristics of abrasive grain are evaluated by the fracture onset probabilities and the edge shape transition probabilities. A grinding test of a single grain permits the determination of these probabilities for five materials : regular aluminum oxide (A), white aluminum oxide (WA), single crystal aluminum oxide (HA), green silicon carbide (GC) and black silicon carbide (C). The transitions of edge shape distribution, which are calculated by these probabilities, give better understanding on the difference of abrasive materials in edge fracture. The results in the present study are summarized as follows : (1) C is largest in fracture onset probability and is followed by GC, WA, HA and A in due order. (2) Edge fracture keeps up the sharpness of HA grain edge, while it makes WA grain dull. C, GC and A grains show the moderate edge shape change due to edge fracture. (3) The fracture onset probabilities and edge shape transition probabilities are the reasonable index for evaluating fracture characteristics of grinding grain materials.抄録全体を表示PDF形式でダウンロード (1156K) -
岸浪 建史, 近藤 司, 新庄 博之, 中原 博史1989 年 55 巻 3 号 p. 557-562
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーIn this paper, a new interpolation formula is proposed to control the cutting motion of 5-axis machine tools in straight and circular motions. This interpolation formula is named of Trochoidal Interpolation. It is a combination of straight and circular interpolations with variable blending function, which are carried out by utilizing DDA algorithm. The proposed interpolation formula makes it possible to shorten a required NC command tape and to simplify the motion control algorithm when the 5-axis NC machine tools was applied to complex shape machinings.抄録全体を表示PDF形式でダウンロード (2876K) -
五百井 俊宏, 松永 正久, 河渕 秀俊1989 年 55 巻 3 号 p. 563-568
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーWhen a relatively large burr of castings is removed by a robot, the recognition system for the shape of workpiece and burr is necessary. The teaching playback method has been conventionally used for the decision of the robot movement. However, the method is difficult in applying to industrial uses, because of varieties of burr shapes and positions, and because of inaccuracy in positioning of the castings to be deburred. This study is a basic investigation of the sensing system for deburring robots. A photo sensor which is attached to a linear pulse motor, can be reciprocated over the burr, nearly perpendicular to the longitudinal direction of the burr. Design standard of the sensing system and the limitation of measurement of burr are calculated. It is found that the method can recognize a distinction between workpiece and burr, completion of deburring, a section form of burr and burr width.抄録全体を表示PDF形式でダウンロード (873K) -
ホリカワ オズワルド, 安原 健次, 長田 秀治, 下河辺 明1989 年 55 巻 3 号 p. 569-574
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーIn order to improve the defects of conventional air bearings; the low stiffness and the low damping capability, the authors have proposed an “Active Air Bearing” (AAB). The AAB is composed of an ordinary air bearing, a sensor to detect the position and orientation of an axis, and an actuator to correct position and orientation errors of the axis. The AAB is a kind of a mechatronics bearing in which the axis position is controlled precisely and its vibration is damped actively. This report introduces a method of controlling the dynamic stiffness of AABs as well as the static stiffness and the position of the axis. In the method, an ordinary PID-PDD2 controller is used for the static stiffness and position control, and a band pass filter is added to increase or decrease the dynamic stiffness at a certain frequency. Some controllers are designed, simulated and experimented with a prototype AAB. It is shown that the dynamic stiffness at the bearing resonance frequency became 10 times larger than that by PID-PDD2 controller without any deterioration of the positioning performance.抄録全体を表示PDF形式でダウンロード (852K) -
石川 憲一, 堀 隆一, 小川 俊夫1989 年 55 巻 3 号 p. 575-580
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーIn this study, the loosening torque of hot-dip galvanized bolts is investigated through the exposure tests and simulation tests. The following points were clarified : (1) The loosening torque was inclined to increase with the length of the exposure time and to become greater than the tightening torque. Such tendency was more remarkable under supply of lubricating oil. (2) It was found that the increase of the loosening torque was caused by the solidification of the surface due to the cohesive nature of zinc oxide. (3) The cause of such a phenomenon was clarified from the surface analysis of the used screw thread.抄録全体を表示PDF形式でダウンロード (5345K) -
アルミナ製円筒状モデルによる寿命試験大塚 二郎, 深田 茂生, 田 国明, 竹下 達郎, 井関 孝善, 中川 善兵衛, 安田 栄一, 堤 正臣, 吉野 正隆, 広瀬 祐二, 田 ...1989 年 55 巻 3 号 p. 581-586
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーIn order to study the applicability of ceramics to ball screws, the life test was performed by the combination of simplified cylindrical models of alumina test pieces and some kinds of ceramic balls. Basic dynamic capacity of alumina obtained from their results was only 3.4% of that of bearing steel. SEM observation made it clear that the fracture occurred from the outskirts of the ceramics pores. Furthermore, in order to improve their surfaces, ceramics of Si3N4 or TiC was coated on the cylindrical surfaces of test pieces by CVD, but it was not so effective.抄録全体を表示PDF形式でダウンロード (5078K) -
回転誤差原因の診断法垣野 義昭, 井原 之敏, 中津 善夫, 篠原 章翁1989 年 55 巻 3 号 p. 587-592
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーDiagnosis of the angular motion error origins in NC machine tools has been studied by using double ball bar test. Angular motion errors of the machine is represented by error vector, and the relation between error vector and motion error trace obtained at DBB test, was theoretically analyzed. Based upon this analysis characteristic trace patterns were defined in individual angular motion error origin. Diagnosis is carried out on by extracting these characteristic patterns from motion error trace which were measured by DBB test. The results show that this method has sufficient accuracy and convenience for machine shop use.抄録全体を表示PDF形式でダウンロード (1023K) -
横山 直樹, 植村 恒義1989 年 55 巻 3 号 p. 593-599
発行日: 1989/03/05
公開日: 2009/10/08
ジャーナル フリーThis paper describes development of versatile one-dimensional high-speed video recording camera. It consists of linear-image sensor, frame memory and personal computer. This camera can digitize and store line-image of object at the given period, and resulting images, i. e. time-displacement characteristics of object, can be observed and analyzed through framememory. Maximum sampling clock is 2.048 MHz, and one-line image consists of 512 digitized intensity, so minimum period between line-scannings is 250 μs. This is equivalent to 4 000 samples/s and comparable to that of traditional high speed camera. Various image-analysis can be performed with personal computer. Experiments were performed to test this video-recording camera. The objects were free-fall of a steel ball and movement of shutter blades in 35 mm still camera. And characteristics of this system were discussed.抄録全体を表示PDF形式でダウンロード (5492K)
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