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Contact tips – Regular Material & properties
A contact tip is used in a manual torch as well as in an automatic torch or a robot welding torch. The quality of the material and processing has a significant influence on the entire welding process as well as the service life and thus the machine uptime or availability of the welding torch. Two main materials E-Cu (electrolytic copper) and CuCrZr (copper-chrome-zirconium).1. E-Cu contact tip
Manufactured from pure electrolytic copper, this contact tip has a Vickers hardness (HV) of approx. 110 to 115. The purity of its copper ensures very good current transfer, heat transfer and thermal conductivity. As it softens already at a temperature of approx. 260° C, it is more suitable for the low ampere range.2.CuCrZr contact tip
The alloying elements chrome and zirconium of this contact tip are suitable for higher thermal loads, because they are very hard. Compared to the E-Cu contact tip, their electrical conductivity is slightly lower, but this is not a significant factor for most processes. The CuCrZr contact tip has a hardness of approx. 168 HV and can withstand temperatures up to approx. 500° C. It has established as the standard contact tip for the medium to high ampere range with low wear as well as high process load capacity and is mainly used for liquid cooled applications and robot welding.
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XY(NANJING) INDUSTRY EQUIPMENT CO., LTD WAS ESTABLISHED IN 2003. THE COMPANY IS COMMITTED TO DOING THE IMPORT AND EXPORT OF WELDING & CUTTING EQUIPMENT AND CONSUMABLES. WE HAVE CE & ISO9001 CERTIFICATIONS AND WORKING EXPERIENCE WITH AVTOVAZ, TOYOTA MOTOR, MITSUBISHI MOTOR, HONDA MOTOR, OGIHARA, THAISUMMIT, VINFAST AND OTHER AUTOMOBILE COMPANIES. WE HAVE OVERTEN PROFESSIONAL PEOPLES TO COMMITTED TO PROVIDING COMPRE-HENSIVE IMPORT AND EXPORT SERVICES FOR GLOBAL CUSTOMERS. WE HAVE 100 EMPLOYEES AND 20 ENGINEERS. wE ALWAYS ADHERE TO PROVIDE CUSTOMERS WITH THE MOST COST-EFFECTIVE WELDING SOLUTIONS.
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No.16 Songyuan North Road, Chunxi Street, Gaochun, Nanjing City, Jiangsu Province, China, 211300
Wechat: +86 153 6509 8266