产品详情
钨铜屏蔽罩
钨铜屏蔽罩。钨铜触头、导电件及按图加工零件。
技术问答
关于此产品的常见问题。
What is the difference between a shielding cap and a main center shield?
Both handle metal vapor inside the VI, but they sit in different locations. The main center shield surrounds the contact gap directly and absorbs the bulk of arc-generated vapor. The shielding cap sits closer to the ceramic-to-metal seal at one or both ends of the VI and prevents vapor from reaching the seal region. A typical VI has one center shield and one or two caps.
What grades of CuW do you use for shielding caps?
CuW70 and CuW75 are our defaults. CuW80 is available on request but is less common for caps. The higher tungsten content gives no operational benefit in the vapor-condensation role and costs more per part.
Can you machine caps to my drawing?
Yes. Most cap orders are custom geometries from drawing. Send the drawing along with the mating ceramic envelope dimensions if available; this lets us flag fit issues before machining.
What is the typical wall thickness for a shielding cap?
Wall thickness varies by VI voltage class and design; specific dimensions are confirmed per drawing. The drawing is the contract.
Are your shielding caps RoHS and REACH compliant?
Materials are sourced from suppliers providing RoHS and REACH declarations of conformity on request.
How do I request a sample?
Email sales@tungarc.com with the drawing or specification and intended VI program.
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