±0.01mm of pride. The reason our precision machining is chosen.
In the manufacturing industry, even when we simply say "precision machining," ensuring a high accuracy of **±0.01mm consistently** requires appropriate know-how and environment. This time, we will introduce how our company has made efforts to achieve this precision, along with actual examples. 1. Creating processes and environments that guarantee ±0.01mm Our company consistently achieves high-precision machining through the following process designs and internal innovations: - A temperature-controlled measurement room (20°C ±1-2°C) is fully equipped - Use of Carl Zeiss three-dimensional measuring machine (CONTURA G2) - Introduction of intermediate inspections using FARO Quantum X scanning - Maintenance of machining accuracy (OKUMA 5-axis vertical and horizontal boring machines) - Thorough management of measuring tools (micrometers and hole tests stored in the measurement room) Through these systems, we are thoroughly implementing "visualization of errors and zero point management" across the company. 2. Introduction of examples of ±0.01mm Here are representative examples of parts that our company actually **machined and delivered with an accuracy of ±0.01mm**
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Precision holes that cannot be machined with reaming → Fine hole machining for hardened steel (up to HRC60). Supported by electrical discharge machining and high-precision end mills. Keyway machining for mold components → Tool management and correction control are implemented in the finishing process to maintain tolerances within +0.005/-0.005. Geometric tolerance management for equipment parts → Particularly for parallelism and perpendicularity, measurement and correction machining are supported within ±0.01mm. 3. Our considerations and commitments in precision machining High-precision machining is established not only through "machining technology" but also through the accumulation of "awareness" and "management." In winter, afternoon machining is recommended. In the morning, temperature is unstable, leading to potential errors. Thorough warm-up operation of machining machines. Ensure uniform temperature with high-speed spindle rotation. After semi-finishing, re-establish the X, Y, Z origins to correct shifts caused by temperature changes. Confirm zero points of measuring tools just before use. Reliable measurements from a trustworthy "zero" are fundamental. Check the outer diameter of cutting tools with a micrometer each time. Early detection of wear and dimensional errors. After completion, conduct final inspections with a three-dimensional measuring machine and check for discrepancies with manual measurements.
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Finally, Processing is a "manual skill," but ultimately it is an integrated technology of "temperature," "cutting tools," "measurement," and "process." At Riverhead Metal Processing, skilled workers and engineers collaborate, prioritizing **"faithfulness to the drawings"** and taking responsibility until delivery.
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Company information
Riverhead Metal Processing Co., Ltd. specializes in metal cutting processing and provides comprehensive support for the manufacturing of components, jigs, and equipment units for automotive manufacturing equipment and industrial devices. In particular, we excel in conceptual design that takes into account workability and on-site requirements, with an experienced design team capable of handling everything from specification proposals to final verification. We complete processing, assembly, three-dimensional measurement, and delivery with performance reports all in-house. We also have a proven track record in the delivery of medium to large base frames and jigs with adjustments. We flexibly accommodate VA/VE proposals, drawing-less responses, and reverse engineering. In addition to traditional processing, we accept unit-based production for various jigs, molds, and more, including design, processing, and assembly. Please feel free to consult us with your requests.