Patent classifications
C23C14/32
Film formation device for cutting tool provided with coating film, and film formation method for cutting tool provided with coating film
A deposition apparatus for cutting tools with a coating film capable of depositing the coating film in an appropriate temperature condition is provided. The deposition apparatus includes: a deposition chamber in which a coating film is formed on the cutting tools; a pre-treatment chamber and post-treatment chamber, each of which is connected to the deposition chamber through a vacuum valve; and a conveying line that conveys the cutting tools from the pre-treatment chamber to the post-treatment chamber going through the deposition chamber, the in-line deposition apparatus using a conveyed carrier on which rods supporting cutting tools are provided in a standing state along a conveying direction. The deposition chamber includes: a deposition region; a conveying apparatus; a heating region; and a carrier-waiting region.
Coated cutting tool and production method therefor
Provided is a coated cutting tool having a base material side single layer portion and a laminated portion provided as a hard coating in order from a base material side. The base material side single layer portion is formed of a nitride-based hard coating in which a proportion of Al is highest among metal (including metalloid) elements, a sum of Al and Cr in a content ratio (atomic ratio) is 0.9 or more, and at least B is contained. In the laminated portion, a nitride-based a layer in which a proportion of Ti is highest among metal (including metalloid) elements and at least B is contained, and a nitride-based b layer in which a proportion of Al is highest among metal (including metalloid) elements and at least Cr and B are contained are alternately laminated.
SURFACE-COATED CUTTING TOOL
A surface-coated cutting tool comprises a tool substrate comprising a cBN sinter and a hard coating layer including a lower sublayer α and an upper sublayer β on the surface of the cutting edge; wherein α satisfies (Al.sub.1-xTi.sub.x)N (0.40≤x≤0.60); β satisfies (Al.sub.1-y-zTi.sub.yB.sub.z)N (0.40≤y≤0.60 and 0.01≤z≤0.10); in the sublayer β, the variation in the concentration of the B component is repeated; the average Bmaxav of the maxima in the concentration of the B component satisfies z<Bmaxav≤2.0×z, and the average Bminav of the minima in the concentration of the B component satisfies 0≤Bminav<z; and the average thickness tα of α and the average thickness tβ of β satisfy expression: 2.0≤<tβ/tα≤6.0; and the residual stress σ of the overall hard coating layer satisfies −2.0 GPa≤σ≤−0.5 GPa.
Protective coating for a thermally stressed structure
Provided is a method for arranging a protective coating for a thermally stressed structure, having at least one layer of alpha-aluminium oxide or of element-modified alpha-aluminium oxide, and wherein the protective coating is applied by reactive cathodic arc vaporization. A protective coating produced by the method and a component having a protective coating is also provided.
COATED CUTTING TOOL
A coated cutting tool and a process for the production thereof id provided. The coated cutting tool consists of a substrate body of WC-Co based cemented carbide and a coating, the coating including a first (Ti,Al)N multilayer, a first gamma-aluminium oxide layer, and a set of alternating second (Ti,Al)N multilayers and second gamma-aluminium oxide layers.
Systems and methods for optimal source material deposition along hole edges
A method for depositing a coating of a source material onto a panel is disclosed. The method includes providing a cathodic arc, the cathodic arc including a target surface, the target surface disposed along a target deposition axis and able to emit the source material as a generally cloud of source material vapor and a generally conical stream of liquid particles of the source material. The method further includes positioning the panel relative to the target surface based on a deposition angle, the deposition angle being between the target surface and an outer limit of the generally conical stream of liquid particles o the source material. The method may further include emitting the source material from the target surface as the generally conical cloud of source material vapor and coating the edge with the cloud of source material vapor to provide an edge coating.
ARC ION COATING DEVICE AND COATING METHOD
The present disclosure relates to an arc ion coating device and a coating method. The arc ion coating device includes: a vacuum chamber with a vacuum environment inside; an arc generation component disposed in the vacuum chamber and comprising a cathode target, an anode and an arc starter, the cathode target being columnar and configured to release plasmas, and the arc starter being disposed between the cathode target and the anode and configured to generate charged particles to guide a generation of an arc between a side of the cathode target and the anode to coat a workpiece; a support frame disposed in the vacuum chamber, the support frame being disposed at a side of the anode away from the cathode target and configured for a placement of the workpiece; and a power supply component comprising an arc power supply and a first accumulator, the arc power supply having a first output end and a second output end, the first output end being configured to output a pulsed voltage and connected to the arc starter, the second output end being configured to output an adjustable DC voltage and charge the first accumulator, and a negative pole and a positive pole of the first accumulator being connected to the cathode target and the anode, respectively.
Vacuum arc source
A vacuum arc source for arc evaporation of boride includes: a cathode made of at least 90 at-% of boride, in particular made of more than 98 at-% of boride; an anode, which is preferably in the shape of a disk; a body made of a material which is less preferred by arc discharge compared to the cathode, the body surrounding the cathode in such a way that during operation of the vacuum arc source, movement of an arc on an arc surface of the cathode is limited by the body. At least 90 at-% of the material of the anode is of the same chemical composition as the cathode.
Coated tool, and cutting tool including same
A coated tool according to the present disclosure includes a base member and a coating layer located on the base member. The coating layer includes a first peak located in a range of 0° to 90° and a second peak located at a higher angle side than the first peak in a distribution of X-ray intensity indicated at α axis of a pole figure, the X-ray intensity regarding a plane of the cubic crystal. The coating layer further includes a valley part between the first peak and the second peak, and the valley part includes the X-ray intensity smaller than the X-ray intensity at each of the first peak and the second peak.
Coated tool, and cutting tool including same
A coated tool according to the present disclosure includes a base member and a coating layer located on the base member. The coating layer includes a first peak located in a range of 0° to 90° and a second peak located at a higher angle side than the first peak in a distribution of X-ray intensity indicated at α axis of a pole figure, the X-ray intensity regarding a plane of the cubic crystal. The coating layer further includes a valley part between the first peak and the second peak, and the valley part includes the X-ray intensity smaller than the X-ray intensity at each of the first peak and the second peak.