Finger gear milling cutters are widely used for the machining of large-tooth spur, helical and herringbone gears. Recently, at the request of the user, the Hanjiang Tool Shaped Tool Factory developed a finger milling cutter for machining m48.51, z12, α20° super large modulus gears. The finger cutter has a large end diameter of φ210 mm, a small end diameter of φ46.22 mm, a length of 190 mm, and the tooth profile line is relatively curved. The finger milling cutter has created the history of the production of finger milling cutters in terms of product specifications and processing difficulty.
Hanjiang Tool Shaped Tool Factory has made the following innovations according to product specifications, structure, use and material characteristics to meet the needs of users, bold innovation, careful design, and the following innovations in the development of oversized finger milling cutter products:
(1) The blank adopts the forming forging technology, which saves a lot of high-speed steel materials.
(2) The milling cutter adopts a spiral tooth structure to improve tool durability and processing efficiency.
(3) The milling cutter adopts a small end broken tooth structure to increase the strength of the small end cutter.
(4) The milling cutter adopts hollow stepped holes to reduce deformation and stress during heat treatment.
Through the formulation of reasonable processing technology and meticulous operation, the production of oversized finger milling cutters has been successfully completed. After testing the various indexes of the milling cutters, the development and design goals have been fully achieved, and the trials have won praises from users.
The successful development of the oversized finger milling cutter has laid the foundation for the development of Hanjiang tool shaped cutters and the manufacture of larger modular finger milling products.
Hanjiang Tool Shaped Tool Factory has made the following innovations according to product specifications, structure, use and material characteristics to meet the needs of users, bold innovation, careful design, and the following innovations in the development of oversized finger milling cutter products:
(1) The blank adopts the forming forging technology, which saves a lot of high-speed steel materials.
(2) The milling cutter adopts a spiral tooth structure to improve tool durability and processing efficiency.
(3) The milling cutter adopts a small end broken tooth structure to increase the strength of the small end cutter.
(4) The milling cutter adopts hollow stepped holes to reduce deformation and stress during heat treatment.
Through the formulation of reasonable processing technology and meticulous operation, the production of oversized finger milling cutters has been successfully completed. After testing the various indexes of the milling cutters, the development and design goals have been fully achieved, and the trials have won praises from users.
The successful development of the oversized finger milling cutter has laid the foundation for the development of Hanjiang tool shaped cutters and the manufacture of larger modular finger milling products.
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