产品详情
铜铬触头片
铜铬触头片。铜铬触头片及按图零件。
技术问答
关于此产品的常见问题。
What's the difference between AMF and RMF contacts?
AMF (axial magnetic field) contacts generate a magnetic field along the arc axis to keep the arc diffuse across the whole face, favored at high current ratings. RMF (radial magnetic field) contacts use spiral or petal geometry to drive the arc to rotate around the face. Both spread erosion to extend contact life; the choice is the interrupter designer's. We machine either to drawing.
Can you make the contact disc in either CuCr25 or CuCr50?
Yes. Specify the grade with the disc drawing. CuCr25 for distribution duty where conductivity matters; CuCr50 for severe interruption duty. See CuCr25 and CuCr50.
Can you reproduce a contact disc from a sample?
Yes. Send the physical contact; we can scan, measure, and machine to a drawing we generate. Customer parts are treated as confidential during quoting.
How flat does the contact face need to be?
Contact face flatness affects both braze quality to the stem and contact alignment in the assembled interrupter. We machine to your drawing's flatness callout. If you don't have one, tell us the application and we can advise a typical tolerance.
Do you supply the disc pre-brazed to the stem?
Yes. Contact disc brazed to a copper or copper-alloy conductive stem as a sub-assembly is routine. Specify both drawings.
What is the typical lead time?
Lead time varies by geometry complexity (butt vs AMF / RMF), grade, dimensions, and quantity. Contact us with your specifications.
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