The Art of Cutting: When Precision Meets Craftsmanship
Release time:
2025-06-18 09:33
Source:
In the production workshop of a high-end aluminum profile processing company in Zhejiang, Zhang Gong, the technical supervisor, frowned at a batch of newly produced products. These aluminum alloy profiles, used for the frames of precision instruments, 6061 often had burrs and micro-cracks on the cut surface, and the dimensional tolerances also fluctuated. As a professional manufacturer that has long supplied goods to multinational companies, such quality fluctuations directly affected the product qualification rate and customer trust.
When the technical team of Bajun Cutting Tools was invited to the site, they found that the root of the problem was far more complex than the surface phenomenon. After in-depth investigation, the technical team noticed that the spindle of the cutting machine that had been in service for many years in the workshop had slight wear, and the radial runout reached 0.08 millimeters, far exceeding the millimeter standard required for precision processing. 0.02 Even more worrying was that, in order to meet the deadline, operators often compressed the clamping allowance to less than 30 millimeters, resulting in frequent " material chipping " during the cutting process. And the cutting fluid system, which should play a key cooling role, had nearly half of its nozzles clogged and failed due to long-term lack of maintenance.
In response to these problems, the Bajun team proposed a systematic solution. First, the equipment was upgraded, replacing the high-rigidity spindle and adding a laser alignment system to ensure that the equipment accuracy returned to the industry-leading level. At the same time, the technical team did not simply apply general parameters, but tailored cutting process plans for profiles of different thicknesses according to the characteristics of the company's products. Thin-walled profiles use higher speed and lower feed " gentle " cutting mode, while thick-walled products are matched with stronger cutting parameters.
At the workshop management level, the Bajun team assisted the company in establishing a new quality control process. Before starting work every morning, equipment inspection became an unbreakable " required course " ; during production, technicians regularly check process parameters; the first piece of each batch of products must pass a comprehensive inspection before being released. In order to prevent operational omissions, a fool-proof jig was specially designed to ensure that the profile clamping always maintains a safe allowance.
After the three-month transformation period, the changes were gratifying. The burr problem that had plagued the company was fundamentally solved, and the product qualification rate increased from the original 82% to 98.6% . Even more surprising to management was that, due to the optimization of the cutting process, the saw blade life was extended by 150% and the single-shift production capacity increased by 35% . These improvements not only solved the immediate quality problems, but also won the company an annual framework order from a multinational company.
" This cooperation has made us deeply realize that precision processing is never simply a matter of equipment or process, but a holistic project that requires systematic thinking. " Zhang Gong said with emotion at the project summary meeting. Today, walking into the production workshop of this company, you can see a conspicuous process parameter table next to each cutting machine, and the operators strictly follow the standardized operation procedures. This case vividly illustrates that in the field of aluminum profile processing, only by perfectly combining equipment precision, process wisdom, and standardized management can we truly achieve a win-win situation in terms of quality and efficiency.
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