How To Meet Drawing Specifications in Manufacturing
In the world of manufacturing, precision is the cornerstone of quality—and nowhere is this more evident than in the pursuit of aligning production with technical drawings. Every line, dimension, and tolerance on a blueprint tells a story of exactitude, and translating that story into a physical product often requires more than just following initial procedures. It demands a commitment to iterative improvement, where each step of the machining process becomes an opportunity to refine techniques, correct discrepancies, and edge closer to the perfect realization of the design. Recently, our team embarked on a project that exemplified this journey—one where patience, adaptability, and a focus on detail turned initial challenges into a masterclass in process optimization.
The project centered on fabricating a custom precision component for the Medical industry
Here is a detailed explanation of the background and process adjustments:
The wire-cutting cycle for each product is approximately 20-22 hours.
1: Initially, to meet the original delivery deadline 11th Nov,
we programmed the machine to process 10 boards simultaneously (1 board can produce 4 products).
After 80 finished products were inspected under a projector 2.5D,
a small portion of the holes was found to be elliptical.
The QA subsequently determined all 80 units to be NG.
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2: To address this issue, we revised the process to process 7 boards at a time.
Unfortunately, subsequent 100% pin inspection of all small 150 holes revealed partial tapered holes in the products,
which still did not meet the drawing requirements.
3: After further process optimization,
we adjusted 5 boards per wire-cutting cycle.
This adjustment has been verified to fully comply with all dimensional specifications in the technical drawings,
ensuring product quality meets the agreed standards.
Due to the aforementioned process adjustments and the scrapping of non-conforming products, we currently face a shortage of:
100 units of products with 150*φ0.55mm holes
100 units of products with 150*φ0.7mm holes
Our production team is now working at full capacity with the optimized 5-board batch process to complete