hob

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Related to Hobbing: broaching
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Synonyms for hob

(folklore) a small grotesque supernatural creature that makes trouble for human beings

(folklore) fairies that are somewhat mischievous

a hard steel edge tool used to cut gears

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a shelf beside an open fire where something can be kept warm

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cut with a hob

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References in periodicals archive ?
requiring no cutting oil) gear hobbing machine, which is manufactured locally at Mitsubishi Heavy Industries (Changshu) Machinery Co., Ltd., a plant located in Changshu City, in China's Jiangsu Province.
function multiple hobbing with up to five different programmable hobbing forces with a tolerance of +/- 50 kn in closed tool,
To reduce the potential of hobbing damage, retract the carriage the absolute minimum amount--no more than Vi in.
Stanley: We've got a wide range of gear hobbing machines with the very latest CNC technology and Klingenberg tooth measurement.
Average roughness after first hobbing on the tooth flank No.
Although the Group held the leading position in the market and maintained their market share by relying on their product technology and brand advantage of the CNC hobbing machine and shaving machine, its revenue declined over the same period of last year.
A typical solution for the production of tooth surfaces is the hobbing. In view of the fact that the resulting surfaces will vary depending on cutter diameter and the motion parameters, hereinafter we create two approximate models which are based on profile shifting [5] and two-parameter enveloping [7, 8].
Four tenders requesting offers from eligible bidders to supply (a) a surface grinding machine, (b) one universal cylindrical grinding machine, (c) one gear hobbing machine, also (d) one pipes crlinping machine.
Table slide Radial (x-axis), Hob Slide Vertical (z-axis) and Tangential Slide Tangential (y-axis), with facility for hobbing Helical Gears.
Provided with a double Siemens 840 D CNC, the European-built machine offers up to 72 CNC axes and can perform metalcutting operations on precision parts from drilling and tapping to milling and hobbing. It has a cast iron base and total weight of more than 30,000 lb.
This drive head is capable of both side milling and hobbing.
The various types of plastics and different processing methods impose certain requirements on the tool steel, such as economic machinability or cold hobbing ability, dimensional stability on heat treatment, etc.
The process involves centering, turning of journals & camlobes, grinding, induction hardening & hobbing of gears.
Imagine that you are designing a steel combination spur gear part, as shown in the screenshot above, with an overall diameter of 1.5." You cannot readily make it as a single piece by machining because the conventional gear-cutting processes (hobbing, shaping, etc.) cannot produce the teeth on the smaller gear up to the step face of the larger gear.
Or the sealing technologies, or the improved bearings--and the CNC machining centers to generate the computer-optimized housing contours and profiles--and advanced hobbing machines to produce the gears.