Zhejiang Aokai Electric Co.,Ltd

Electrical Contact Fingers

Finger Contact Assembly General Description Aokai has all kinds of processing technology of connecting contacts and supports, we have multiple and flexible manufacturing methods to meet customers’ multiple and customized requirements. Main Application The finger contact assembly is also be...

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Product Details

Finger Contact Assembly General Description 

Aokai has all kinds of processing technology of connecting contacts and supports, we have multiple

and flexible manufacturing methods to meet customers’ multiple and customized requirements.

Main Application
The finger contact assembly is also be called tulip contact. It is widely used in the cold rolled steel plate welding  machine, large current contactor, high voltage circuit breaker, vacuum circuit breaker, etc.

Main Material
AgC, AgCdO, AgNi, AgZnO, AgSnO2, AgSnO2In2O3, AgWc, AgW with Cu alloys or Cu.

Contact Assembly Manufacturing Processes


     Manufacturing processes

Manufacturing Methods

Automatic Stamping &Welding

Vibration Feeding Automatic Production

Single Piece Manual Half-Automatic Production

Single Piece Manual Online Production

Single Step Production

Automatic Stamping&Riveting in Mould

Resistance Welding



Resitance Brazing




Inductive Brazing




Flame Brazing





Furnace Brazing






Riveting





Assembly Quality Inspection Methods


     Inspection Methods

Inspection Items

Bonding Area

Bonding Strength

Bonding Interface

Part Hardness

Riveting Strength

Riveting Bonding Interface

Ultrasonic Detection






Shearing Testing






Twisting Testing





Microstructure Testing





Torgue Testing






Pushing Out Force Testing






Hardness Testing







Aokai Electric is your best source for the high quality electrical contact fingers with CE certification. We have been one of the largest such manufacturers and suppliers in China since our establishment in 2008. Welcome to contact our factory for the products.

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