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YOKOYAMA KOGYO CO LTD Automotive
Automotive

Welding/Assembly Processes

Welding/Assembly Processes
About Welding/Assembly Processes
Welding and assembling stamped parts produced in-house allows us to deliver complete assemblies and save our customers a great deal of work.
With all of our processing capabilities, we can respond flexibly to a wide variety of customer needs.
[Welding]
Arc welding (CO2, argon)
Spot welding (nuts, bolts, plates)
[Fastening]
Caulking (press, rotary), bolt tightening
[Coating]
Cationic, plating

Available production methods

Arc welding

Arc welding
We use argon/CO2 welding to meet customer needs ranging from assembly to subassembly.
We specialize in welding pipes and other products that are prone to distortion/warping during the welding process.

Spot welding

Spot welding
We spot weld nuts and bolts to stamped parts, as well as stamped parts to other stamped parts.
By using manual welding techniques for smaller products and creating specialized machines for high-volume products, we are able to limit welding costs.

Rotary caulking

Rotary caulking
For part fastening, we use rotary caulking and press caulking to satisfy various customer requirements.

Bolt tightening

Bolt tightening
We also tighten bolts using torque wrenches. Each and every tightening torque is verified automatically to prevent problems and defects.

Welding/assembly part products

Welding/assembly equipment overview

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