Volfram se formira dostupan

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Mašinska obrada volframa

Tungsten can be very difficult to fabricate because of its high hardness and low ductility. Tungsten is a strong, teško, osetljiv na kreku metal koji je obično krte na sobnoj temperaturi. It requires special handling and skill beyond that necessary for most metals and alloys. It is important to remember when working with Tungsten is that it must be cut or formed at temperatures well above its transition temperature. Failure to do this may result in cracking or lamination. Care should be taken to insure that the metal remains at this temperature throughout the entire forming process. The use of cold tooling which rapidly chills the metal can be as harmful as not preheating the material. The best method for machining that involves metal removal is E.D.M. The following conventional methods can also be used with great care: Brušenje, formiranje, pridruživanje, glodanje, zakivci bili takvi, koja se okreće, Označavanje, i da se okrene.

AlatkeCarbide H(2)
Clearance angle
Pravljenje grabulje27°
Strani grabulje
Brzina sečenja132 ft per minute
Nose Angle90°
Nos radijusa
Brušenje (Use aluminum oxide or silicon carbide wheels with medium hardness.)
Wheel Typesilicon carbide; hardness j to l ; gram size 100-120
Speed12 ft per second
Glodanje (When milling Tungsten, the following is recommended)
Cutting speed73 stopa u minuti
clearance angle
side rake10°
Formiranje (When spinning, bending or stamping note the following)
Temperature1000° – 1500° F

Zahtevanje ponude

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