摘要:
In a method for producing a cellular wheel made of metal, the following steps are conducted consecutively: (a) providing a sheet metal strip (26) having a length (1) that corresponds at least to the length of a circumferential line of an intermediate sleeve and a width (b) that corresponds at least to the length of the cellular wheel; (b) placing disks (16) in predetermined locations in predetermined quantities on both sides of the sheet metal strip (26) perpendicular to the sheet metal surface and perpendicular to the longitudinal direction of the sheet metal strip (26) and connecting the disks (16) to the sheet metal strip (26) by welding or brazing; (c) bending the metal strip (26) equipped on both sides with the disks (16) and connecting the two ends of the sheet metal strip (26) by welding or brazing to form the intermediate sleeve; (d) placing a first tubular sleeve that is concentric to the intermediate sleeve as an outer sleeve, and a second tubular sleeve that is concentric to the intermediate sleeve as an inner sleeve, and connecting the free ends of the disks (16) to the outer sleeve or the inner sleeve by welding or brazing. The method allows cellular wheels to be produced which have material wall thicknesses of 0.2 mm and less for use in pressure wave superchargers.
摘要:
Disclosed is a method for producing a bimetallic saw blade, saw band, or circular saw blade. According to said method, a support band (11) or a support disk made of a first metal is bonded to cutting material (16) made of a second metal in a first step, and said bond is machined in a material-removing manner so as to form a toothed profile (17a, b) in a second step, thus creating saw teeth that are at least partially made of the cutting material (16) by separating the teeth in a predetermined fashion. In order to simplify the production process and reduce the production effort in such a method, within the first step, holes (15) are first created in the support band (11) or the support disk according to the separation of the teeth, whereupon small insertion plates (16) which are made of the cutting material and entirely fill the holes (15) are inserted into said holes (15), and the edges of the small insertion plates (16) that are placed in the holes (15) are finally bonded to the support band (11) or the support disk.
摘要:
The invention relates to a method for assembling a camshaft by using a shaft (10) and a plurality of cams (21–26) comprising respectively an opening for the shaft. According to the invention, the cams are disposed in a tight manner in a storage element (40), in such a way that they are orientated towards each other in a predefined rotative position, the openings thereof for the shaft being orientated in a coaxial manner. The shaft is then introduced into the cam packet and arranged consecutively with respect to each individual cam by displacement in the longitudinal direction thereof. The cams are secured one after the other on the shaft. The required rotation of the cams can be obtained in a simple manner by longitudinal displacement of the shaft and also by optionally rotating the shaft at a certain angle.
摘要:
The invention relates to a camshaft comprising a tubular shaft (1) and cams (2) which are radially disposed thereon. Said cams (2) respectively engage with the shaft in a perfect fit (1) and the free surface (1.1) of the shaft forms the base circle of the cams (2), whereby the cams (2) are respectively engaged in pocket-like recesses of the shaft (1).
摘要:
A cellular wheel made of metal comprises an outer sleeve located symmetrically to a rotational axis and an inner sleeve. The annular space between the outer sleeve and inner sleeve is divided by cell wall parts, which are oriented in parallel to the rotational axis and delimited by cell edges, into a plurality of rotation-symmetrically arranged cells, wherein the cell edges are located on intersecting lines of cylinder lateral surfaces with rotation-symmetrically arranged axial planes, said surfaces being arranged concentrically to the rotational axis. The outer sleeve and inner sleeve delimit a cell structure, in which cell edges, which delimit a cell wall part in each case, are concurrently located in pairs on adjoining cylinder lateral surfaces and on adjoining axial planes. With each cell edge located on two adjoining axial planes of adjoining cylinder lateral surfaces, each cell edge on a cylinder lateral surface delimits two cell walls.
摘要:
In a method for producing a cellular wheel made of metal, the following steps are conducted consecutively: (a) providing a sheet metal strip (26) having a length (1) that corresponds at least to the length of a circumferential line of an intermediate sleeve and a width (b) that corresponds at least to the length of the cellular wheel; (b) placing disks (16) in predetermined locations in predetermined quantities on both sides of the sheet metal strip (26) perpendicular to the sheet metal surface and perpendicular to the longitudinal direction of the sheet metal strip (26) and connecting the disks (16) to the sheet metal strip (26) by welding or brazing; (c) bending the metal strip (26) equipped on both sides with the disks (16) and connecting the two ends of the sheet metal strip (26) by welding or brazing to form the intermediate sleeve; (d) placing a first tubular sleeve that is concentric to the intermediate sleeve as an outer sleeve, and a second tubular sleeve that is concentric to the intermediate sleeve as an inner sleeve, and connecting the free ends of the disks (16) to the outer sleeve or the inner sleeve by welding or brazing. The method allows cellular wheels to be produced which have material wall thicknesses of 0.2 mm and less for use in pressure wave superchargers.
摘要:
The invention relates to a method for producing cams (1) for a camshaft. The cams are produced by bending together the ends of long profile strips (4) or by bending and putting together several pieces of profile strips in a circumferential direction. Cams produced in such a way are preferably welded onto the shaft. The invention also relates to suitable welding methods such as resistance welding, laser-beam or electron-beam welding and corresponding devices.
摘要:
A camshaft has a cylindrical shaft (1) and a hollow, cylindrical cam (2). The hollow, cylindrical cam (2) is pushed onto the cylindrical shaft (1) and securely fixed to the cylindrical shaft (1) in terms of rotation and displacement. The hollow, cylindrical cam (2) is provided with a foot strip (2.2, 2.3) that borders the cylindrical shaft (1) on one side and is welded to the cylindrical shaft (1) along, and through, the foot strip (2.2, 2.3).
摘要:
A method for producing a cellular wheel, wherein a tool having a cylindrical inner shell, the diameter of which corresponds to the inner diameter of the subsequent sleeve, is placed on the free end edges of the fins for fixing the angular orientation of the fins. A molding material mixture is applied in the cells bounded by the inner shell of the tool and the fins and cured. After removing the tool, the subsequent sleeve is placed on the free end edges of the fins fixed in place by the cured molding material mixture. The free end edges of the fins are joined to the subsequent sleeve to the cells. The cured molding material mixture is thermally treated and is removed from the cells.
摘要:
The invention relates to a method for producing a cellular wheel made of metal, wherein a tool (40, 50, 60) having a cylindrical inner shell (41, 51, 61), the diameter of which corresponds to the inner diameter of the subsequent sleeve (18, 20, 14), is placed on the free end edges of the fins (16) for fixing the angular orientation of the fins (16). A molding material mixture (F) made of a fireproof base molding material and a curable binding agent that can be released from the base molding material by thermal treatment is applied in the cells (22, 24, 26) bounded by the inner shell (41, 51, 61) of the tool (40, 50, 60) and the fins (22, 24, 26) and cured. After removing the tool (40, 50, 60), the subsequent sleeve (18, 20, 14) is placed on the free end edges of the fins (16) fixed in place by the cured molding material mixture (F). The free end edges of the fins (16) are joined to the subsequent sleeve (18, 20, 14) by welding or brazing to the cells (22, 24, 26). The cured molding material mixture (F) is thermally treated and the base molding material is removed from the cells (22, 24, 26). The method makes it possible to produce cellular wheels having material wall thicknesses of 0.5 mm and less for use in pressure-wave superchargers.