摘要:
A seaming dimension adjusting device in a double seaming apparatus for double seaming a can by successive action of a first seaming roller and a second seaming roller, said seaming apparatus including a seaming chuck, a seaming roller shaft, first and second seaming rollers mounted on a lower end portion of said seaming roller shaft and a double seaming cam which actuates an upper end portion of said seaming roller shaft for shifting said first seaming roller and said second seaming roller either toward or away from said seaming chuck, wherein said seaming dimension adjusting device comprises a double seaming cam having a profile face, including a first seaming cam having a maximum displacement section of said first seaming roller and a second seaming cam having a maximum displacement section of said second seaming roller, at least one of said first seaming cam and said second seaming cam has a seaming cam adjusting means for adjusting the displacement of the maximum displacement section of the seaming roller in the seaming cam radial direction, and the shifting direction at a boundary portion between said first and second seaming cams is nearly tangential to the profile face of the cam.
摘要:
A throwaway insert and a cutting tool enable a high speed cutting operation for a metallic material having great ductility such as aluminum and obtaining a vertical wall with a high quality machined surface while improving chip control. The throwaway insert comprises a major cutting edge including a tapered cutting edge connected to a cutting edge of a nose portion, and a curved cutting edge connected to an end of the tapered cutting edge at a connection point. The curved cutting edge is formed so as to extend along an imaginary cylindrical surface whose center axis coincides with the axis of rotation of a tool main body, and tapered cutting edge is formed so as to gradually curve from the imaginary cylindrical surface toward the inside of the imaginary cylindrical surface as the distance from the curved cutting edge increases, and the distance from the nose portion decreases. The throwaway insert is attached to the tool main body in which the surface of the distal end thereof is machined so that surface roughness thereof is less than 3.2 μm when indicated by the Ry roughness.
摘要:
A cutting method using a vibratory cutting tool enables efficient creation of chips by breaking or separating of chips, and can retard both a deterioration of machined surface roughness of a workpiece and an increase in cutting resistance. The vibration of the cutting tool is controlled so that the following expressions are satisfied when letting a period of rotation of a workpiece be T, a period of vibration of the cutting tool be t.sub.total, the time required for the cutting edge to move from a farthest position in the feed direction to a farthest position in the direction opposite to the feed direction be t.sub.d, and the time required for moving from the farthest position in the direction opposite to the feed direction to a next farthest position in the feed direction be t.sub.u in the period of vibration of the cutting edge: T.apprxeq.t.sub.total .times.n+t.sub.d, where n is 0 or a positive integer; and t.sub.d .noteq.t.sub.u.
摘要:
An apparatus for detecting internal pressure of a can has a reaction detector comprising two sets of fixed members and load cells arranged slightly narrower than the outside diameter of a can body and in a slightly different spaced apart from each other and a buckling detection sensor for detecting a displacement of the center of a cover. The reaction detector and the buckling detection sensor are mounted on a frame adjustable in position according to the kind of cans to be tested. The can is made to pass between two fixed members and load cells while being held by side retaining belts provided along the conveyor while being prevented from rotation. The same part of a can body is forced with different amounts of force and the reaction at that time is measured and converted into internal pressure of the can. The internal pressure of a can is thus measured accurately by this apparatus even if there are deviations in the roundness of the can body. The cover buckling detection sensor detects a can having an excessively high internal pressure which gives rise to buckling.
摘要:
An optical switching unit including mechanisms for receiving a beam of light consisting of a plurality of component rays of different wavelengths, separating the light by making use of the reflection characteristic of suitable spectroscopic elements into the component rays to be lead to corresponding light-conductive paths, selecting either the interruption or transmission of the component rays by means of light-shielding plates provided in the respective light-conductive paths, and collecting the components rays to again compose a composite ray of the beam of light to be let out.The respective light-conductive paths are connected in parallel and have their light-separating branched portions arranged in series. In each of the branched portions is disposed a corresponding one of the spectroscopic elements, which corresponding one has its reflection characteristic reflectable of a corresponding component ray and a component ray reflectable by at least a one-stage preceding spectroscopic element.
摘要:
The objective of the present invention is to obtain an effective defoaming effect by directing a pulsed sound wave generated by shock caused by laser-induced breakdown to a liquid surface using an acoustic waveguide. A reflected wave of the pulsed sound wave generated by shock caused by laser-induced breakdown on an inner circumference face of the acoustic waveguide is directed to an opening part of the acoustic waveguide opposed to the liquid surface, and variations in periods of time in which the reflected wave in each travelling direction arrives at the opening part are reduced.
摘要:
The slicing machine of the present invention comprises a center blade-position detecting sensor arranged opposite a cutting area of an annular blade with a partially cut slice disposed between the center sensor and the cutting area of the blade. Two side blade-position detecting sensors are also provided at both sides of the center sensor and opposite the side adjacent areas of the cutting area. Three electromagnets are provided at corresponding positions to the sensors respectively, in order to control the deviations of the blade at each measuring point in accordance with the output signals of the sensors. Furthermore, a controlling device is provided in order to control currents to be supplied to the electromagnets in accordance with output signals from the sensors.
摘要:
compound of the formula: ##STR1## wherein A is the group of the formula:Ar.sup.1 --D--Ar.sup.2 --wherein Ar.sup.1 is a phenyl or thienyl group which may be optionally substituted with at least one of the same or different halogen atom; Ar.sup.2 is a phenylene or thienylene group which may be optionally substituted with at least one of the same or different halogen atom; D is a divalent radical selected from the group consisting of >.dbd.N.dbd.OR.sup.4 [wherein R.sup.4 is a hydrogen atom or lower alkyl group], >C.dbd.O, ##STR2## >CHOH, >NH radical, or single bond, wherein R.sup.5 is a lower alkoxy or a phenyl group which may be optionally substituted with at least one of the same or different halogen atom; E is a methine group or a nitrogen atom; F is a vinylene group or an oxygen atom, ##STR3## wherein R.sup.6 is a lower alkoxy group; R.sup.7 is a lower alkyl group; R.sup.8 is a benzoyl group which may be optionally substituted with at least one of the same or different halogen atom,B is a divalent azole group;R.sup.1 is a hydrogen atom or a lower alkyl group;R.sup.2 is a hydrogen atom, lower alkyl aryl-lower alkyl, or the group of the formula:R.sup.9 --G-- wherein R.sup.9 is a hydrogen atom, lower alkyl, halo-lower alkyl, amino-lower alkyl, aryl or aryl-lower alkyl group or the group of the formula: ##STR4## wherein R.sup.10 is a hydrogen atom or lower alkyl group; R.sup.11 is a hydrogen atom, lower alkyl, lower alkenyl, lower cycloalkyl, aryl-lower alkyl, aryl or aroyl group; or the group of the formula: --NR.sup.10 R.sup.11 is a 5-, 6- or 7-membered saturated heterocyclic ring; or the group of the formula:R.sup.12 --O-- wherein R.sup.12 is a lower alkyl or polyhalo-lower alkyl group;G is a divalent group selected from the group consisting of >C.dbd.O, >C.dbd.S, >(C.dbd.O).sub.2 or >SO.sub.2 radical; or the group of the formula: --NR.sup.1 R.sup.2 is a 5-, 6- or 7-membered saturated heterocyclic ring:R.sup.3 is a hydrogen atom or lower alkyl group, or its acid addition salts, which is useful for immunomodulator.
摘要:
A light-conductive circuit unit comprises a substrate (1) made of an optical material, the substrate (1) having a light inlet surface (1a) for letting in a beam of light from a light source (2a to 2c), a light outlet surface (1b) for letting out a beam of light to a light-receiving element (3a to 3g), and a light-conductive path (4a to 4h) constituted with a part of the substrate to conduct rays of light from the light inlet surface (1a) to the light outlet surface (1b), and a combination of light course turning parts (5a to 5g) and optical switching mechanisms (6a to 6e) both substantially integrated with the substrate (1).
摘要:
The holder for a head replacement-type cutting tool is provided with a holder main body and a tubular coupling member 3 which is housed in an attachment hole formed on the holder main body and made of a metal material lower in hardness than the holder main body. A recessed part is formed on an inner circumferential face of the attachment hole, the coupling member is engaged with the recessed part by firmly attaching the outer circumferential face thereof on the inner circumferential face of the attachment hole, and the coupling member is provided with an attachment screw part which is screwed into a head-side screw part formed at the replacement-type cutting head.