Method for milling toroidal worm wheel hob spiral chip groove

• Main Authors: RUI CHENGJIE, LIU PINGYI, LI HAITAO, WEI WENJUN, YANG JIE, DONG XUEZHU
• Format: Patent
• Language: Chinese; English
• Published: 13.06.2017
• Subjects: MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; MILLING; PERFORMING OPERATIONS; TRANSPORTING

The invention relates to a method for milling a toroidal worm wheel hob spiral chip groove and belongs to a machining method of a toroidal worm wheel hob. According to the technical scheme, the equipment comprises a hob basic worm (1), a cylindrical milling cutter (2), a worm axis (3) and a milling cutter axis (4), wherein the hob basic worm (1) is mounted on an axis C; the worm axis (3) is coincided with an axis Z; the cylindrical milling cutter (2) is mounted on a knife rest of a numerical control machine tool; the milling cutter axis (4) is parallel to an axis X; the hob basic worm (1) rotates along with the axis C; the cylindrical milling cutter makes motions in the Z-axis and X-axis directions; a hob spiral chip groove with a radius of Rf and an arc-shaped groove bottom is machined by three-axis linkage; and a rake face of the hob is formed, and rake angles on two sides of each cutter tooth on the graduated ring surface are 0 degree. 本发明涉及种环面蜗轮滚刀螺旋容屑槽的铣削方法，属于环面蜗轮滚刀的加工方法；技术方案包括滚刀基本蜗杆(1)、圆柱铣刀(2)、蜗杆轴线(3)和铣刀