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Tanaka Seiko Co., Ltd.
Japan
Inspection & Measurement Systems: Vision systems and automated metrology
Jigs & Fixtures: Custom work-holding for assembly and inspection
Workholding & Tooling Systems: Collets, chucks, and modular fixturing

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<p><b>Tanaka Seiko Co., Ltd.</b> (株式会社 田中精工) began mold fabrication in October 1964 and was incorporated in July 1986. Located in Yokkaichi City, Mie Prefecture, the company has specialized for over four decades in the design and production of custom jigs, fixtures, checking devices, and dedicated automation equipment.</p><p>The company primarily serves automotive component suppliers, creating custom fixtures that verify pressed and welded subassemblies against engineering specifications. Tanaka Seiko handles the entire manufacturing workflow internally, from concept development and 3D CAD modeling to precision fabrication and coordinate measurement inspection.</p><ul><li>Established: 1964 (Incorporated: July 1986)</li><li>Key clients: H-One, Yutaka Giken, Bestex Kyoei, Toyoda Iron Works (Toyotetsu), Shinkyo Kogyo</li></ul>

Offer

<p>Tanaka Seiko provides custom-engineered tooling and workholding solutions:</p><ul><li><b>Inspection Fixtures & Checking Gauges (検具):</b> Tailored inspection fixtures designed to clamp and verify stamped metal panels, tubular parts, and automotive body subassemblies using dial gauges, digital indicators, and feeler pin systems.</li><li><b>Welding & Assembly Jigs:</b> Heavy-duty manual and robotic welding jigs, assembly clamping fixtures, and tacking workholding frames built for repeatability and minimal heat distortion.</li><li><b>Prototype & Trial Jigs:</b> Short-run prototype fixtures engineered for new vehicle program development and dimensional try-outs.</li><li><b>Dedicated Equipment (専用機):</b> Custom secondary-operation machines, dedicated punching/forming presses, and pneumatic/hydraulic assembly jigs.</li><li><b>Quality Assurance:</b> Comprehensive dimensional inspection utilizing coordinate measuring machines to certify fixture locating points and clamp pads.</li></ul>

Tags

inspection fixtures
checking fixtures
automotive tooling
assembly fixtures
welding jigs
prototype jigs
custom workholding
Industrial Specializations: Inspection & Measurement Systems: Vision systems and automated metrology, Jigs & Fixtures: Custom work-holding for assembly and inspection, and Workholding & Tooling Systems: Collets, chucks, and modular fixturing
Headquarter/main address: 3-19 Mitsuyahigashimachi
Yokkaichi
Mie 510-0801
Japan
Get Directions
https://tanakaseikou.co.jp/
Business Type: Custom Manufacturer
Ownership: Private
Employees: 10 - 49
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