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Green Hobbing

German translation: Vorfräsen

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:Green Hobbing
German translation:Vorfräsen
Entered by: Harry Bornemann
Options:
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16:53 Dec 16, 2003
English to German translations [PRO]
Tech/Engineering
English term or phrase: Green Hobbing
Zahnrad- und Schneckenfräsen

- Hobbing
Straight, helical and spline gears, pinions, worm gears and worm shafts

Green hobbing of unhardened steel

Finish machining of gears from hardened materials, HRC 60 and up
Harry Bornemann
Mexico
Just a definition that may help
Explanation:
Hobbing – a way of using a hardened specially shaped cutter called a hob to cut gears or spline teeth. In the process, the teeth are being generated by the hob as it gradually feeds across or into the blank as the hob and the blank move in a timed relationship. Usually, the tooth profiles that are produced are different from the form of the hob.

http://www.imti21.org/documents/taxglossary.pdf


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Note added at 18 mins (2003-12-16 17:12:40 GMT)
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Skiving or Re-hobbing Capability
Skiving or carbide re-hobbing is cutting gears after heat treatment. It is a unique process that uses the same machine as \"green\" hobbing process. This process allows eliminating heat treat distortions without having to resort to gear grinding or other expensive gear finishing operation. This process has been steadily gaining popularity during last 20 years.

http://www.bodinegears.com/capabilities.htm

During green hobbing, the selection of correct tooth thickness is important so that all tooth flanks will be completely hobbed during skiving. The allowance of tooth flank stock can be calculated or determined through practical experience. Typically, 0.002\"–0.004\" per flank is used for gears of 12 DP or finer.

http://www.geartechnology.com/mag/archive/1102/hard.pdf


--------------------------------------------------
Note added at 29 mins (2003-12-16 17:23:14 GMT)
--------------------------------------------------

• wälzfräsen=to hob
• Wälzfräsmaschine=hobbing machine=hobber
• Wälzfrässupport=hobbing carriage
• Wälzfräsverfahren=hobbing method

http://webcoordinator.de/englisch/dw2.htm


. hob cutter=Abwälzfräser
• hobbing=Walzfräsen=Abwälzfräsen
• hobbing attachment=Wälzeinrichtung
• hobbing carriage=Wälzfrässupport
• hobbing head=Fräskopf
• hobbing machine=Wälzfräsmaschine
• hobbing method=Wälzfräsverfahren
• hobbing saddle=Fräserschlitten

http://branchenportal-deutschland.aus-stade.de/eh4.htm

Selected response from:

Kim Metzger
Mexico
Local time: 13:40
Grading comment
Der entscheidende Tipp kam aus deinem ersten Nachtrag.
3 KudoZ points were awarded for this answer

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Summary of answers provided
3Just a definition that may help
Kim Metzger


  

Answers


7 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
green hobbing
Just a definition that may help


Explanation:
Hobbing – a way of using a hardened specially shaped cutter called a hob to cut gears or spline teeth. In the process, the teeth are being generated by the hob as it gradually feeds across or into the blank as the hob and the blank move in a timed relationship. Usually, the tooth profiles that are produced are different from the form of the hob.

http://www.imti21.org/documents/taxglossary.pdf


--------------------------------------------------
Note added at 18 mins (2003-12-16 17:12:40 GMT)
--------------------------------------------------

Skiving or Re-hobbing Capability
Skiving or carbide re-hobbing is cutting gears after heat treatment. It is a unique process that uses the same machine as \"green\" hobbing process. This process allows eliminating heat treat distortions without having to resort to gear grinding or other expensive gear finishing operation. This process has been steadily gaining popularity during last 20 years.

http://www.bodinegears.com/capabilities.htm

During green hobbing, the selection of correct tooth thickness is important so that all tooth flanks will be completely hobbed during skiving. The allowance of tooth flank stock can be calculated or determined through practical experience. Typically, 0.002\"–0.004\" per flank is used for gears of 12 DP or finer.

http://www.geartechnology.com/mag/archive/1102/hard.pdf


--------------------------------------------------
Note added at 29 mins (2003-12-16 17:23:14 GMT)
--------------------------------------------------

• wälzfräsen=to hob
• Wälzfräsmaschine=hobbing machine=hobber
• Wälzfrässupport=hobbing carriage
• Wälzfräsverfahren=hobbing method

http://webcoordinator.de/englisch/dw2.htm


. hob cutter=Abwälzfräser
• hobbing=Walzfräsen=Abwälzfräsen
• hobbing attachment=Wälzeinrichtung
• hobbing carriage=Wälzfrässupport
• hobbing head=Fräskopf
• hobbing machine=Wälzfräsmaschine
• hobbing method=Wälzfräsverfahren
• hobbing saddle=Fräserschlitten

http://branchenportal-deutschland.aus-stade.de/eh4.htm




    Reference: http://www.imti21.org/documents/taxglossary.pdf
Kim Metzger
Mexico
Local time: 13:40
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 2598
Grading comment
Der entscheidende Tipp kam aus deinem ersten Nachtrag.
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