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  6. What is flatness for molds? A basic explanation in 5 minutes!

What is flatness for molds? A basic explanation in 5 minutes!

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last updated:Dec 16, 2025

松井製作所
松井製作所
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Resolving doubts about flatness in mold making!

In the mold industry, managing surface roughness, which affects product quality, is crucial. Poor flatness of the mold can lead to decreased accuracy of molded products and potentially have a negative impact on product quality. This video explains the basics of "flatness," a type of geometric tolerance, and deepens the understanding of flatness in mold manufacturing. It covers the definition of flatness, examples of its use, how it is represented in drawings, and points to note when using it. By watching this video, you can enhance your understanding of flatness in mold manufacturing and contribute to producing higher quality products. 【Usage Scenarios】 - During mold design - Quality control in the mold manufacturing process - When quality issues arise with molded products 【Benefits of Introduction】 - Improved knowledge of flatness - Quality improvement in mold manufacturing - Reduction of defective products

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【幾何公差】平面度とは?改改.PNG

What is flatness for molds? A basic explanation in 5 minutes!

【幾何公差】平面度とは?改改.PNG
【幾何公差】平面度とは?改改.PNG
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【Features】 - Understand the definition of flatness - Know how to indicate flatness - Understand how to read flatness on drawings - Be aware of points to note regarding flatness 【Our Strengths】 Matsui Manufacturing Co., Ltd. offers a consistent production system tailored to customer needs, focusing on non-ferrous metals such as copper, brass, and aluminum, from hot forging to machining, pipe bending, brazing, and unit assembly. We also provide educational videos related to the manufacturing industry and address technical inquiries.

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Gas appliances, air conditioning equipment, medical devices, semiconductor-related items, etc.

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Company Overview: Matsui Manufacturing Co., Ltd.

Company Overview: Matsui Manufacturing Co., Ltd.

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松井製作所

松井製作所

Ferrous/Non-ferrous metals

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Matsui Manufacturing Co., Ltd. focuses on non-ferrous metals such as copper, brass, and aluminum, offering a consistent production system from hot forging to machining, pipe bending, brazing, and unit assembly. We propose suitable QCD (Quality, Cost, Delivery) to our customers from our four production bases located in Japan and abroad (Osaka, Tottori, Himeji, and China). Since our establishment in 1948 as a manufacturer of gas appliance parts, we have developed and manufactured various control devices related to gas appliances, petroleum, water, and air conditioning, marking half a century of history with the motto of "Customer First." We will continue to acquire advanced technologies, promote flexible thinking that breaks away from conventional concepts, and not only respond to user needs but also proactively propose solutions that anticipate the needs of end users. We look forward to your continued guidance and support.

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