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When cooperation makes metalworking fluids a key performance factor

Efficient manufacturing of high-precision parts. Blaser Swisslube metalworking fluids enabled Daiichi Sokuhan to reduce cycle times by 25%.

Tailored Blaser Swisslube metalworking fluids enabled Daiichi Sokuhan to achieve a 25% cycle-time reduction while improving process stability.
In precision manufacturing, improvements in productivity are often expected to come from machines, tooling, or control systems. At Daiichi Sokuhan Seisakusho, a major performance leap was achieved by focusing on a different, frequently underestimated factor: metalworking fluids. By integrating the fluid into the overall process strategy, the company realized a 25% reduction in machining cycle times while significantly improving process stability and working conditions.

Founded in 1944 in Ojiya City, Niigata Prefecture, Japan, Daiichi Sokuhan develops and manufactures precision measuring instruments, gauges, and high-accuracy components such as ball screws and spindle units. With micron-level tolerances defining everyday production, consistent and repeatable processes are essential to meeting quality, delivery, and cost targets.

In CNC thread cutting, the metalworking fluids previously in use began to hinder performance. Operators faced unpleasant odors and sticky residues, and machining efficiency gradually declined. Daily maintenance became more demanding, and maintaining stable cutting conditions grew increasingly difficult, posing a risk to both productivity and dimensional accuracy.

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Efficient manufacturing of high-precision parts. Blaser Swisslube metalworking fluids enabled Daiichi Sokuhan to reduce cycle times by 25%.
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A broad partnership: Daiichi Sokuhan uses four different Blaser metalworking fluids for different applications.

Immediate results with Synergy 735

Seeking a reliable solution, Daiichi Sokuhan evaluated products from Blaser Swisslube. In June 2019, a trial with the water-miscible, full-synthetic metalworking fluid Synergy 735 delivered immediate results. Dimensional accuracy and surface quality were excellent from the first parts, without the need for extended process adjustments. Most importantly, machining cycle times were reduced by 25 percent, directly increasing output. Because Synergy 735 is oil-free, concentration control became far simpler, reducing the daily workload for operators. Following the successful test, the fluid was introduced across six CNC lathes and machining centers, ensuring stable and efficient turning operations.

Blasogrind GTS 15: cleanliness and performance
The benefits of optimized fluid performance soon became evident in grinding processes as well. In thread grinding, white deposits formed on workpieces and inside machine enclosures, affecting cleanliness and surface quality. During a routine visit, Blaser Swisslube recommended Blasogrind GTS 15, which had just been introduced to the Japanese market. Testing confirmed that the deposit issue was successfully eliminated, and results were highly satisfactory. In addition, the fluid’s strong cooling performance and high degassing capacity reduced thermal expansion—an essential advantage when grinding workpieces with diameters exceeding φ 200. Even micron-level dimensional changes caused by heat are closely monitored at Daiichi Sokuhan, and the improved temperature control led to a clear increase in process reliability. Blasogrind GTS 15 was subsequently adopted in nine thread grinding machines.
Optimized surface and rotary grinding
At the same time, Daiichi Sokuhan was searching for a suitable water-miscible solution for surface and rotary grinding. Grindex S 35, then still under development, proved convincing thanks to its strong grinding performance, low stickiness, and neutral pH. Since its introduction, the fluid has delivered stable results in daily operation and is now used in six surface grinders and two rotary grinders.

What started with the introduction of Synergy 735 developed into a broader partnership. Today, Daiichi Sokuhan uses four Blaser Swisslube solutions – Synergy 735, Blasogrind GTS 15, Grindex S 35, and Grindex 10 CO – each selected to match specific machines and processes. The key takeaway is clear: when cooling, lubrication, thermal behavior, cleanliness, fluid management, and operator health are all aligned, the metalworking fluid becomes a genuine “liquid tool,” actively contributing to faster cycles, stable processes, and consistent precision.

By placing metalworking fluids at the center of process optimization, Daiichi Sokuhan has achieved measurable productivity gains while strengthening long-term manufacturing stability and quality.

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Daiichi Sokuhan achieved a major performance leap by focusing on an often-overlooked factor: metalworking fluids.