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In the high-end manufacturing sector, German enterprises are renowned worldwide for their stringent requirements on precision transmission components. Recently, we successfully delivered a batch of extra-long ball screws customized for a well-known German heavy machinery manufacturer. These screws not only precisely match the transmission needs of their core equipment but also won high recognition from the client with their robust capabilities of 6-meter extra length and C2-grade ultra-high precision. Today, starting from this custom case, we will discuss the technical value of extra-long, high-precision ball screws and the underlying logic of our customization services.
For those familiar with the precision transmission field, ball screws—core components that convert rotational motion into linear motion—have their precision, length, and stability directly determining the machining accuracy and operational efficiency of equipment. For this German client, their large CNC machining centers required ball screws with "extra-long stroke + ultra-high precision": not only meeting the 6-meter extra-long effective stroke demand and C2-grade precision standard but also adapting to long-term stable operation under heavy loads—a strict test of our technical strength.
I. Customization Challenges: 6-Meter Length + C2 Precision, Technical Breakthroughs Under Dual Tests
Upon receiving this customization request, we first identified two core challenges. First, the difficulty in machining and straightening 6-meter extra-long screws. The longer the ball screw, the more prone it is to deformation during processing—especially in key procedures like heat treatment and grinding. Controlling straightness and torsion is fundamental to ensuring product qualification. Second, the rigorous requirements of C2-grade precision. As a high-precision grade for ball screws, C2 imposes extremely tight tolerances on lead accuracy, stroke deviation, and radial runout. Even the slightest deviation can affect the final machining performance of the client’s equipment.
To address these challenges, our technical team quickly formed a special task force and conducted multiple rounds of technical communication with the German client. Based on the actual working conditions of their equipment, we optimized the material selection—using high-strength alloy structural steel treated with a special quenching and tempering process to enhance toughness and wear resistance. In the machining phase, we adopted multi-stage grinding and real-time straightening technologies, leveraging high-precision CNC grinders to gradually correct dimensional deviations during processing. For precision inspection, we utilized professional equipment such as laser interferometers to calibrate the full stroke of the 6-meter screws, ensuring every section meets the C2-grade standard.
II. Why Did the German Client Choose Us? 6-Meter Customization Capability + C2 Precision Build Core Competitiveness
After evaluating multiple suppliers, the German client ultimately chose us, primarily due to our solid product strength and customization service capabilities—two core advantages we have developed through years of expertise in ball screws:
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6-Meter Extra-Long Customization Capability for Special Working Conditions: Compared to conventional 3-4 meter ball screws, we have achieved mass production capacity for 6-meter extra-long ball screws through optimized production processes and upgraded machining equipment. This capability not only meets the extra-long stroke needs of industries like heavy machinery and large machine tools (as in the German client’s case) but also enables flexible customization of lengths and specifications to break through traditional limitations.
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C2-Grade Ultra-High Precision for High-End Manufacturing Standards: Precision is the soul of ball screws. With mature precision machining technology and a strict quality control system, we can stably produce C2-grade and higher precision ball screws. From raw material screening to finished product inspection, every link adheres to standards stricter than industry requirements, ensuring key indicators like lead accuracy and positioning accuracy meet specifications—perfectly suited for high-end CNC equipment, precision instruments, and other applications demanding ultra-high precision.
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End-to-End Customization Services for Precise Demand Matching: For high-end clients’ customization needs, we have established an end-to-end service system covering technical communication, solution design, prototype testing, mass production, and after-sales follow-up. As seen in our collaboration with the German client, we not only provided tailored technical solutions but also synchronized production progress throughout the process and timely reported key milestones, ensuring the final delivery fully aligned with the client’s expectations.
III. Core Application Scenarios of Ball Screws: Beyond Heavy Machinery, Covering Multiple High-End Sectors
The ball screws customized for the German client are mainly used in the linear transmission systems of large CNC machining centers. In fact, with their advantages of extra length and high precision, our ball screws are widely applicable to multiple high-end manufacturing fields:
In the aerospace industry, they are used for precise transmission in large aircraft component machining equipment. In the wind power sector, they adapt to the extra-long stroke needs of large wind turbine blade grinding equipment. In the precision machine tool industry, they provide stable linear motion support for high-speed, high-precision machining tools. In the semiconductor field, their C2-grade precision ensures micron-level positioning in chip processing. Whether for extra-long strokes, ultra-high precision, or custom requirements, we can deliver reliable ball screw solutions.
IV. Conclusion: Breaking Through with Customization Capability, Standing Firm with Precision Quality
The successful delivery of this 6-meter extra-long C2-grade ball screw custom order to a major German client not only verifies our technical strength but also demonstrates the competitiveness of Chinese precision transmission components in the international high-end market. As high-end manufacturing trends toward refinement and customization, ball screws—being core transmission components—have their performance and customization capabilities directly impacting an enterprise’s market competitiveness.
If your enterprise also has customization needs for extra-long, ultra-high precision ball screws—whether 3 meters, 5 meters, 6 meters, C2-grade precision, or more stringent technical requirements—please feel free to contact us at any time. With our professional technical team and mature production processes, we will provide you with tailor-made precision transmission solutions!
Table of Contents
- I. Customization Challenges: 6-Meter Length + C2 Precision, Technical Breakthroughs Under Dual Tests
- II. Why Did the German Client Choose Us? 6-Meter Customization Capability + C2 Precision Build Core Competitiveness
- III. Core Application Scenarios of Ball Screws: Beyond Heavy Machinery, Covering Multiple High-End Sectors
- IV. Conclusion: Breaking Through with Customization Capability, Standing Firm with Precision Quality