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    • 11. 发明授权
    • Wet-type segmented friction material and its manufacturing method
    • 湿式分段摩擦材料及其制造方法
    • US07165664B2
    • 2007-01-23
    • US10644067
    • 2003-08-20
    • Masato SuzukiYoshihito FujimakiMasayuki MizunoHideto Nakagawa
    • Masato SuzukiYoshihito FujimakiMasayuki MizunoHideto Nakagawa
    • F16D13/72
    • F16D69/00F16D13/648F16D2069/004F16D2069/0475F16D2069/0491
    • A wet-type segmented friction material has a tape-like friction material substrate which is passed through and pressed between a roller having a dent at a center and a flat roller. At the same time, the friction material substrate is heated from an inside and an outside of the rollers so as to carry out a heat press compression processing. Then, a processed friction material substrate has a predetermined cross-section. The processed friction material substrate is cut into segment pieces each having a segment shape by a rotary push cutter having a sharp cutting edge. A cut position of the segment piece is selected such that two straight lines at two lateral sides of the segment shape is located within an area of a compressed portion of the processed friction material substrate. That is, a stepped or sunken compressed portion is provided on both sides of the segment piece.
    • 湿型分段摩擦材料具有带状摩擦材料基材,该基材在中心具有凹痕的辊和平辊之间通过并压制。 同时,摩擦材料基板从辊的内部和外部被加热,以进行热压压缩加工。 然后,经处理的摩擦材料基板具有预定的横截面。 经加工的摩擦材料基材通过具有锋利的切削刃的旋转推动切割机切割成具有段形状的段。 选择片段的切割位置,使得在片状的两个侧面处的两条直线位于经处理的摩擦材料基底的压缩部分的区域内。 也就是说,在分段件的两侧设置有台阶或凹陷的压缩部分。
    • 16. 发明授权
    • Wave-processing method and wave-processing die for core metal of wet friction material
    • 用于湿摩擦材料芯金属的波浪加工方法和波浪加工模具
    • US06948350B2
    • 2005-09-27
    • US10736980
    • 2003-12-17
    • Hideo OnoHideto NakagawaKatsuhiro Yamamoto
    • Hideo OnoHideto NakagawaKatsuhiro Yamamoto
    • B21D13/02B21D28/00C21D7/04
    • B21D13/02Y10T29/49609
    • A ring-shaped core metal is pressed and compressed by a main punch and a counter punch so as to have a wave shape. Moreover, each group of three micro-protrusions provided on each of top points of the wave shape are cut in the core metal. Then, three notches are cut on the core metal corresponding to the micro-protrusions. Furthermore, plastic flow is generated at a surface layer of the core metal due to partial compression by the notches at the time of pressing and compressing. Then, the waves are formed on the core metal with the notches as the top points. The notches are cut at seven sections respectively on a front surface and a rear surface of the core metal. Thus, seven waves are formed on the core metal in total. Since the notches are formed on the front and the rear surfaces of the waves, a “return” phenomenon is not generated as seen in a conventional cool working method. Thus, the waves are formed at high accuracy.
    • 环形芯金属被主冲头和反冲头压制并压缩成波形。 此外,在芯金属中切割设置在波形的每个顶点上的每组三个微突起。 然后,在对应于微突起物的芯金属上切割出三个切口。 此外,在压制和压缩时由于缺口的部分压缩而在芯金属的表面层产生塑性流动。 然后,以切口为顶点的芯金属上形成波。 切口在芯金属的前表面和后表面上分别切成七个部分。 因此,总共在芯金属上形成七个波。 由于凹槽形成在波浪的前表面和后表面上,所以如常规的冷加工方法所示,不会产生“返回”现象。 因此,以高精度形成波。
    • 19. 发明授权
    • Brake band for automatic transmission
    • 制动带用于自动变速器
    • US5238091A
    • 1993-08-24
    • US766669
    • 1991-09-27
    • Hideto NakagawaMasashi Yamanaka
    • Hideto NakagawaMasashi Yamanaka
    • F16D65/04F16D69/00
    • F16D65/04F16D2069/004
    • Disclosed is a brake band which includes a band and a lining connected to an inner peripheral surface of the band. The lining includes a plurality of grooves in its inner peripheral surface, the grooves which extend from an end to another end of the lining in an axial direction of a drum, rotating either in a clockwise direction or in a counter clockwise direction, obliquely with respect to an axial direction and a circumferential direction of the lining. The grooves include a communication passage which communicates an inner peripheral surface of the lining with the outside and which is disposed at a leading end of the grooves with respect to the clockwise rotational direction of the drum, and a trailing end of the grooves with respect to the clockwise rotational direction of the drum is disposed an inside of the another end of the lining. The brake band has a high cooling efficiency when the drum rotates in the clockwise direction. When the drum rotates in the counterclockwise direction, the oil is flowed to the trailing ends of the grooves, and it is blocked by the trailing ends. Accordingly, the oil is thus held in the grooves, and it is leaked gradually between the drum and the lining in a sufficient amount. Therefore, the brake band maintains the high cooling efficiency, and it inhibits the judder from occurring even when the drum rotates in the counterclockwise direction.
    • 公开了一种制动带,其包括连接到带的内周表面的带和衬里。 衬里包括在其内周表面中的多个凹槽,所述凹槽沿着滚筒的轴向方向从衬套的端部延伸到另一端,所述凹槽沿顺时针方向或逆时针方向倾斜地相对于 到衬里的轴向方向和圆周方向。 凹槽包括连通通道,该连通通道将衬里的内周表面与外部连通,并且相对于滚筒的顺时针旋转方向设置在凹槽的前端,并且凹槽的后端相对于 滚筒的顺时针旋转方向设置在衬里另一端的内侧。 当鼓沿顺时针方向旋转时,制动带具有高冷却效率。 当鼓沿逆时针方向旋转时,油流到槽的后端,并且其被尾端阻挡。 因此,油因此被保持在槽中,并且在滚筒和衬里之间以足够的量逐渐泄漏。 因此,制动带保持高的冷却效率,并且即使当鼓沿逆时针方向旋转时也抑制抖动。