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    • 2. 发明授权
    • Creep-resistant alloy of high-melting metal and process for producing
the same
    • 高熔点金属的抗蠕变合金及其制造方法
    • US4950327A
    • 1990-08-21
    • US264959
    • 1988-09-27
    • Ralf EckGerhard Leichtfried
    • Ralf EckGerhard Leichtfried
    • B22F3/24C22C1/05C22C29/16C22C32/00C22F1/18
    • B22F3/24C22C32/00C22C32/0031C22C32/0073C22F1/18
    • A creep-resistant alloy having a tiered structural arrangement of one or several refractory metals Mo, W, Nb, Ta, V, Cr containing certain doping agents, as well as a process for producing the same. The special doping agents are compounds and/or mixed phases of such compounds selected from the group of oxides, nitrides, carbides, borides, silicates or aluminates having a melting point higher than 1500.degree. C. The size of their grains is .ltoreq.1.5 .mu.m, their proportion in the alloy is comprised between 0.005 and 10% by weight. Unlike in the known state of the art, the use of porassium as doping agent is avoided in this alloy. A good reproducible consolidation and in particular high densities during sintering can thus be obtained. Furthermore, this alloy has better ambient temperature, heat and creep resistance properties than known alloys of refractory metal with a tiered structual arrangement.
    • PCT No.PCT / AT88 / 00002 Sec。 371日期:1988年9月27日 102(e)1988年9月27日PCT PCT。 公开号WO88 / 05830 日本1988年8月11日。具有含有某种掺杂剂的一种或几种难熔金属Mo,W,Nb,Ta,V,Cr的分层结构排列的抗蠕变合金以及其制造方法。 特殊的掺杂剂是选自熔点高于1500℃的氧化物,氮化物,碳化物,硼化物,硅酸盐或铝酸盐的化合物的化合物和/或混合相。它们的晶粒尺寸为1.5 它们在合金中的比例为0.005-10重量%。 与已知的现有技术不同,在该合金中避免了使用钾作为掺杂剂。 因此可以获得良好的可再现固结,特别是烧结时的高密度。 此外,该合金具有比具有分层结构布置的耐火金属的已知合金更好的环境温度,耐热和抗蠕变性能。
    • 3. 发明授权
    • Rotary anode for X-ray tubes
    • 旋转阳极用于X射线管
    • US4780902A
    • 1988-10-25
    • US876763
    • 1986-06-20
    • Ralf Eck
    • Ralf Eck
    • H01J35/10
    • H01J35/10
    • Rotary anodes for X-ray tubes are provided having improved thermal stability. The rotary anodes are comprised of a basic body made of molybdenum alloy comprising about 0.1 to 15% by weight hafnium, about 0.1 to 15% by weight zirconium, about 0.01 to 1.0% by weight carbon and the balance molybdenum.The alloy according to the invention has a low tendency of cracking distortion, and/or surface roughening, even with focal track zones made of tungsten and tungsten alloys and even at operating temperatures exceeding the currently normal values by up to about 200.degree. C.
    • 提供具有改善的热稳定性的用于X射线管的旋转阳极。 旋转阳极包括由钼合金制成的基体,其包含约0.1至15重量%的铪,约0.1至15重量%的锆,约0.01至1.0重量%的碳和余量的钼。 即使由钨和钨合金制成的焦点轨迹区域,甚至在超过当前正常值的工作温度下也可达到约200℃,本发明的合金具有低的开裂变形和/或表面粗糙化的倾向。
    • 5. 发明授权
    • Parting tool
    • 分型工具
    • US4938641A
    • 1990-07-03
    • US220603
    • 1988-07-18
    • Johann Maier
    • Johann Maier
    • B23B27/04
    • B23B27/04B23B2205/02B23B2210/08Y10T407/22Y10T407/227Y10T407/2276Y10T407/2288
    • A parting tool is provided having a tool shank and an interchangeable blade support connected thereto. The blade support is equipped with a blade attachment of blade. The blade support makes contact along one side thereof with a broad-side of the tool shank. The blade support has narrow sides which are guided, at least on sections, by two guide surfaces of the tool shank typically disposed on flanges. Flat contact surfaces on said flanges perpendicularly disposed in relation to the broad side of the tool shank butt against two corresponding counter guide surfaces on said blade support and are pressed against each other by clamping means such as longitudinally off-set screws. In comparison with earlier parting tools used for the same applications, the parting tools of the invention can be made smaller in overall height and provide extremely stable connection between the blade support and the tool shank, thereby greatly reducing rattling and vibrations during normal cutting operations.
    • 提供了一种分离工具,其具有与其连接的工具柄和可互换的刀片支撑件。 刀片支撑件配备有刀片的刀片附件。 叶片支撑件沿其一侧与工具柄的宽侧接触。 叶片支撑件具有窄边,至少在部分上由通常设置在凸缘上的工具柄的两个引导表面引导。 所述凸缘上的相对于工具柄的宽侧垂直设置的平坦接触表面对接在所述刀片支撑件上的两个相应的对向引导表面上,并且通过诸如纵向偏移螺钉的夹紧装置彼此挤压。 与用于相同应用的早期分离工具相比,本发明的分型工具可以在整体高度上变得更小,并且在刀片支撑件和工具柄之间提供非常稳定的连接,从而大大减少了正常切割操作期间的晃动和振动。
    • 6. 发明授权
    • Process for the manufacture of multi-layered, coated hardmetal parts
    • 制造多层涂层硬质合金零件的工艺
    • US4895770A
    • 1990-01-23
    • US238835
    • 1988-08-30
    • Wilfried SchintlmeisterWolfgang Wallgram
    • Wilfried SchintlmeisterWolfgang Wallgram
    • C23C16/34C23C14/06C23C16/02C23C16/30
    • C23C16/30C23C14/06Y10T428/12056Y10T428/12549Y10T428/12576Y10T428/12861Y10T428/31678
    • The invention relates to a process for the manufacture of multi-layered wear-resistant CVD- or PVD-coatings applied to hardmetal parts containing WC-Co or WC-Ni, where at least one of the layers is a metal-boronitride layer. According to the invention, the boron concentration in the metal-boronitride layer is maintained below the critical level above which in addition a homogeneous boronitride mixed crystal phase a further phase, particularly a diboride phase is formed. A non-boronic, or only slightly boronic, intermediate layer is employed as a diffusion barrier between the hardmetal and the metal-boronitride layer to limit or prevent the formation of brittle tungsten cobalt boron or tungsten nickel boron phases on the external surface of the hardmetal. The metallic boronitride layer can be applied either as a single layer or in multiple layers alternating with other mechanically resistant layers. The hardmetal part is particularly a cutting insert for machining.
    • 本发明涉及一种用于制造应用于含有WC-Co或WC-Ni的硬质合金部件的多层耐磨CVD或PVD涂层的方法,其中至少一层是金属 - 氮化硼层。 根据本发明,金属 - 硼氮化物层中的硼浓度保持在临界水平以下,此外,均匀的硼氮化物混晶相是另外的相,特别是形成二硼化物相。 使用非硼或只有轻微的硼酸盐中间层作为硬质合金和金属 - 硼氮化物层之间的扩散阻挡层,以限制或防止在硬质合金的外表面上形成脆性钨钴硼或钨镍硼相 。 金属硼氮化物层可以作为单层或与其它机械抵抗层交替的多层施加。 硬质合金部件特别是用于加工的切削刀片。
    • 7. 发明授权
    • Cutting tool
    • 切割用具
    • US4479744A
    • 1984-10-30
    • US413983
    • 1982-09-02
    • Rudolf Stricker
    • Rudolf Stricker
    • B23B27/14B23P15/28B26D1/00B26D3/00
    • B23B27/143B23B2200/323Y10T407/235
    • A cutting tool having improved chip runoff over a wide range of cutting conditions is provided. The cutting tool improves chip deformation and reduces cutting forces, resulting in the generation of lower temperatures and increased service life. The tool has at least two notches near a cutting corner which are positioned at an angle with respect to a cutting edge. As notches are positioned farther from the cutting corner the angle increases and the notches are spread farther apart. The arrangement reduces cutting forces even for larger feeds. In addition, the notches are provided with two opposite sides which differ in vertical slope, the side farther from the corner having the greater slope to again facilitate chip deformation and reduce friction.
    • 提供了一种在宽范围的切割条件下具有改进的切屑径流的切削工具。 切削刀具可以改善切屑的变形并减少切削力,从而产生更低的温度和更长的使用寿命。 该工具在切割角附近具有至少两个相对于切割边缘成一定角度的切口。 当切口位于距切割角更远处时,角度增加,凹口分布更远。 该装置即使对于较大的进料也能降低切削力。 此外,凹口设置有两个垂直斜率不同的相对侧,距拐角更远的一侧具有更大的斜率,以再次促进切屑变形并减小摩擦。
    • 8. 发明授权
    • Clamping element for cutting tool
    • 刀具夹紧元件
    • US4427322A
    • 1984-01-24
    • US250285
    • 1981-04-02
    • Augustin Kroll
    • Augustin Kroll
    • B23B27/16B26D1/00
    • B23B27/1662B23B2205/04B23B2205/16Y10T407/2278
    • There is disclosed an improved cutting tool having a body provided with a threaded borehole, a clamping bolt and a recess, and which is provided with a supporting surface and at least one lateral supporting surface for supporting an indexable cutting insert. The insert is provided with a center hole for receiving the clamping bolt which has a rotationally symmetrical shaped portion for engaging the center hole thereof. The upper end of the clamping bolt has the form approximately of a clipped ball and the lower end is screwable into the threaded borehole of the tool body with the center portion thereof supported on the tool body; the borehole of the tool body being provided with two coaxial upper and lower cylindrical sections of different diameters extending perpendicular to the surface supporting the cutting insert. In a modified embodiment of the invention, the coaxial upper and lower cylindrical sections of the borehole of the tool body are connected by way of a shoulder formed by a bushing inserted in the borehole.
    • 公开了一种改进的切削工具,其具有设置有螺纹钻孔,夹紧螺栓和凹部的主体,并且设有支撑表面和用于支撑可转位切削刀片的至少一个侧向支撑表面。 该插入件设置有用于接收夹紧螺栓的中心孔,该夹紧螺栓具有用于接合其中心孔的旋转对称的形状部分。 夹紧螺栓的上端大致为夹紧球,下端可旋入工具主体的螺纹钻孔,其中心部分支撑在工具主体上; 工具主体的钻孔具有垂直于支撑切削刀片的表面延伸的两个不同直径的同轴上下圆柱形部分。 在本发明的改进的实施例中,工具主体的钻孔的同轴上下圆筒部分通过由插入钻孔中的衬套形成的肩部连接。