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(SPONSORED CONTENT)Gear Grinding with Closed Loop: The Next Level
Gleason Genesis® GX Series Threaded Wheel Grinding Machines take high-volume, high-quality gear finishing to a new level, with features like single-tool setup, twist-controlled grinding and integrated automation. Our Closed Loop System networks a Gleason GMS inspection machine directly to the GX for fast, reliable, automatic data transfer and corrections. Article Courtesy of Gleason Corporation
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A reader asks about the proper setup procedures for cutting a ring and pinion set on a Gleason 116.
I am currently writing a design procedure for the correct method for setting up bevel gears in a gearbox for optimum performance...
Hainbuch offers workholding solutions for United Gear.
Whether you spent time at Gear Expo in Indianapolis or EMO in Hannover, there was certainly new technology attracting attention. Machine tools are faster, more efficient and can integrate numerous functions in a single setup. Grinding technology is turning science upside down and inside out with high-speed removal rates and increased throughput.
Face-milled hypoid pinions produced by the three-cut, Fixed Setting system - where roughing is done on one machine and finishing for the concave-OB and convex-IB tooth flanks is done on separate machines with different setups - are still in widespread use today.
I make all the double helical gears that go into a gearbox — four different gears in this unit. If the gear module for the bull gear and the intermediate gear are the same (these are the two individual gears that mate), and the gear module for the high-speed pinion and high-speed gears are the same (these are the other two individual gears that mate in the gear box as well), is it then possible to just use two hobs in this setup to make all four gears, since they mate together with each other? We are currently using a different gear hob for each gear.
Many potential problems are not apparent when using new induction heat treating systems. The operator has been trained properly, and setup parameters are already developed. Everything is fresh in one's mind. But as the equipment ages, personnel changes or new parts are required to be processed on the old equipment ages, personnel changes or new parts are required to b processed on the old equipment, important information can get lost in the shuffle.
The honing of gears - by definition - facilitates ease of operation, low noise and smoother performance in a transmission. Honing also contributes to reduced friction in the powertrain. Both the intense cutting (roughing process) as well as the functionally fine- finishing of transmission gears can be performed in one setup, on one machine.
The whole point of a trade show is to get leads that will turn into sales. No matter how attractive your booth was, no matter how smoothly the setup and the show ran, no matter how many visitors you had at your booth, if your presence at a show didn't net you any sales, then your considerable investment of time, money, and effort has been wasted.
Beveloid gears are used to accommodate a small shaft angle. The manufacturing technology used for beveloid gearing is a special setup of cylindrical gear cutting and grinding machines. A new development, the so-called Hypoloid gearing, addresses the desire of gear manufacturers for more freedoms. Hypoloid gear sets can realize shaft angles between zero and 20° and at the same time, allow a second shaft angle (or an offset) in space that provides the freedom to connect two points in space.
Higher productivity, faster setup times and single unattended operations are just a few of the capabilities gear manufacturers seek in the multifunctional machine tool market.
This article deals with certain item to be taken into consideration for gear grinding, common problems that arise in gear grinding and their solutions. The discussion will be limited to jobbing or low-batch production environments, where experimental setup and testing is not possible for economic and other reasons.
The capabilities and limitations of manufacturing gears by conventional means are well-known and thoroughly documented. In the search to enhance or otherwise improve the gear-making process, manufacturing methods have extended beyond chip-cutting - hobbing, broaching, shaping, shaving, grinding, etc. and their inherent limitations based on cutting selection and speed, feed rates, chip thickness per tooth, cutting pressure, cutter deflection, chatter, surface finish, material hardness, machine rigidity, tooling, setup and other items.
Over the past decade, the wire electrical discharge machine (EDM) has become an increasingly important tool for machining non-standard shapes. It has even been used to cut gears and gear cavities for plastic molds. While generally accepted as a quick and versatile method for cutting spur gears, the EDM gear has lacked the precision of a mechanically machined or ground gear. We suspected that many of the errors associated with these gears were caused by inexact setup procedures, poor tool path control and improper cutting parameters. We decided to test the potential for the wire EDM to make the most accurate gear possible.
News Items About setup
1 Koepfers Versatile MZ 130 Provides Same-Setup Gear Hobbing and Worm Milling (January 10, 2007)
Koepfers MZ130 hobbing and worm milling CNC machine from Monnier + Zahner was designed with versatility and ease of use in mind. ... Read News
2 Holroyd?s Plated CBN on High-Rigidity Edgetek Machines Reduces Process Times with Single Lift and Setup (February 14, 2007)
Holroyd's Edgetek machines are produced with high-power/high-speed spindles that optimize the use of plated CBN wheels at surface spe... Read News
3 Bourn and Koch Hobbing Machine Offers Single Setup Options (May 3, 2012)
The Bourn and Koch 100 H horizontal hobbing machine can hob splines and geared shafts up to 100 mm in diameter. Mount tools in ... Read News
4 Heller 5-axis Machining Center Provides Reduced Setups, High Precision (November 2, 2015)
The recently introduced CP 4000 series horizontal machining centers accomplish horizontal, vertical and tilted turning with A and B axis ... Read News
5 Liebherr Gear Shaping Machine Offers Short Setup Times and Flexibility (November 17, 2016)
Liebherr-Verzahntechnik GmbH has expanded its machine portfolio for small workpieces with the small-footprint (Platform 1) LS 180 F shapi... Read News