Copper Alumina Welding Needle 18650 Battery Pack Welded Diameter
1.7/3.0MM
Product introduction
● Alumina brazing needle is suitable for spot welding between
nickel strip, nickel-plated steel plate, coated steel strip and
other materials in battery production. It is used to produce nickel
gas batteries, nickel pot batteries, polymer batteries, lithium
batteries and other batteries, spot welding connectors, batteries
and extraction parts.
● Product name: aluminum oxide copper spot welding needle and bump
welding needle
● Material: made in China, made in Taiwan, made in Japan and made
in America.
● Needle type: eccentric flat head, eccentric ball head, concentric
ball head, straight baseball head, straight stick, and other
customization.
● The welding needles produced by our factory are all made of
aluminum oxide and copper.
● Resistance welding material-nano alumina dispersion strengthened
copper (alumina copper)
● Resistance welding material expert Nano-alumina dispersion
strengthened copper referred to as (alumina copper) alumina
copper-specially designed for spot welding of galvanized steel
plate, nickel-plated plate, nickel strip, aluminum alloy, stainless
steel, brass, etc.
● Alumina copper material has the advantages of softening
resistance, ablation resistance, long service life and high number
of spot welding.
● The service life of the electrode is more than 5 times that of
the common chromium, zirconium and copper, which reduces the
downtime and grinding time of the electrode.
● The battery spot welder adopts the welding needle made of
aluminum oxide and copper, which improves the efficiency of the
automatic welding production line, and does not bond the electrode
when welding the coated metal, which provides a terminal solution
for the welding of galvanized steel plate, and is an indispensable
electrode material for welding galvanized steel plate,
nickel-plated plate, nickel tape, aluminum alloy, stainless steel,
brass, etc.
● The softening temperature is as high as 930℃, which is higher
than that of copper alloy, but lower than that of tungsten copper
(1000℃).
● The electrical conductivity of alumina brazing needle is as high
as 85%IACS, and its heat dissipation performance is between that of
tungsten copper (220 W/m-k) and pure copper (390 W/m-k).
Product Parameter
| Model | Al2O3 content(wt%) | HRB | Electrical conductivity(%lACS) | Strength of extension(MPa) |
| C15715 | 0.3 | 65 | 94 | 480 |
| C15740 | 0.6 | 74 | 85 | 540 |
| C15760 | 1.1 | 85 | 80 | 620 |
Features
- Avoid sticky electrode phenomenon
- No yellowing of the welding area, beautiful welding joints
- Avoid the occurrence of false welding phenomenon
- Reduce the phenomenon of welding sparks
- Excellent electrical and thermal conductivity and good high
temperature performance
- Passed the EU ROHS environmental certification standard
Function Introduction
1. Professional customization
Years of processing experience combined with the actual situation
of customers to meet customer customization requirements
2. High quality material
imported alumina copper material is more wear resistant to burning,
longer service life
3. Seiko Production
Deep processing, smooth surface, stable welding point without
virtual welding, solid welding point
