洛阳尚昊电子科技有限公司
主要经营从事电子科技领域内电子元器件与零部件、金属零部件、橡胶塑料制品的生产和销售；
开放性思维
创新精神统领全局
紧握军民融合深度发展这一历史性机遇
Nieman gear cutters: Precision machining tools for heavy-duty transmission
Classification： Blog
Release time：2025-10-25
Nieman gear cutters: Precision machining tools for heavy-duty transmission
Nieman hobs are specialized high-precision tools for processing Nieman worms. They arenamed for their strong load-bearing capacity and high transmission efficiency of Nieman wormsand play a key role in heavy-duty machinery such as metallurgy and rolling mills. The coreprinciple is based on the development method, similar to the precise meshing of a pair ofcross-axis helical gears - the hob is equivalent to a worm gear with very few teeth, forming acutting edge by opening the chip groove, maintaining a strict speed ratio with the workpieceduring rotation, and eventually enclosing an involute surface that conforms to the tooth profile ofthe Niemann worm.
During processing, the Nieman hob rotates at high speed around its own axis (the mainmotion), the worm blank rotates synchronously according to the transmission ratio (thedevelopment motion), and the hob feeds continuously along the axial direction of the workpiece,and the cutting edge cuts out the thin layer of metal in the tooth groove in sequence. The uniquefeature is the tooth profile design: the helical Angle of the cutting teeth is highly matched withthe workpiece parameters, combined with the high-precision grinding process to ensure that thetooth surface of the worm is in a line contact state after processing, which is also the key to thesuperior load-carrying capacity of the Nieman transmission compared to ordinary worm. Forexample, in steel rolling equipment, worm gear pairs processed by Nieman hobs can transmitseveral thousand Newton-meters of torque, and the transmission efficiency remains above 90%.
The significant advantages of the tool include: First, high contact strength, with the meshingarea expanded by 30% through optimized tooth profile, significantly improving fatigue resistance;2. Strong process compatibility, made of powder metallurgy high-speed steel, capable ofmachining hardened worm gears with hardness HRc58-62; Third, it has a long service life. With adedicated coolant system, a single hob can continuously process more than 500 pieces ofmedium modulus workpieces. However, it has strict manufacturing requirements, needs to beground by a five-axis linkage grinding machine, and needs to be matched one-to-one with specificworm parameters, and is less versatile. Although Nieman hobs cost 40% to 60% more thanordinary worm gear hobs, they can extend the service life of equipment by 2 to 3 times inheavy-load and high-speed scenarios, making them the preferred solution for precisiontransmission in heavy industry.
keyword： Nieman gear cutters
RELATED INFORMATION
Contact Us
+8618691732811
Address: West Yard of Taiyin Village Committee, Weibin District, Baoji City, Shaanxi Province
Website:www.wormgrinder.com
COOKIES
Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy
COOKIES
Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy
These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.
These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.
These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.
These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.
Copyright Shaanxi Baojiu Intelligent Equipment Manufacturing Co., Ltd. All Rights Reserved
SAF Coolest v1.3.1.2 设置面板 BMXSD-ZNMW-QEAAE-ZFS
无数据提示
Sorry, the current column is being updated, please look forward to it!
You can view other columns or returnHome Page