ENGINEER.48
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List of safety factor guidelines for use in mechanical design
2025/11/13 Safety design
Today's note is on the "List of Safety Factors to be used in Machine Design". In designing a machine, it is important to analyze the strength of the machine and determine how much safety factor to use for the expected load.
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What is cutting resistance? Basic Information to Reduce Cutting Resistance
2020/12/11 Machining/ Foundation
今日は「切削抵抗とは何か。切削抵抗を減らすため基礎情報」のメモです。 私は色々な機械の設計をしている中で、最近では切削機能を持った機械の設計を行う事もあります。加工機に与え ...
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NAK55（プリハードン鋼）の特徴まとめ
2024/6/17 Material Dimensions/Material Properties
今日は「NAK55（プリハードン鋼）の特徴まとめ」についてのメモです。NAK55というプリハードン鋼の材料について調べたので、その内容をメモしておきます。 NAK55（プリハードン鋼） NAK55とは ...
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H7の止まり穴と貫通穴で加工方法が違う
2025/11/13 Machining/ Foundation
今日は「H7の止まり穴と貫通穴で加工方法が違う」ことについてのメモです。 多くの設計者が知らないかもしれないH7穴の加工方法。実は、同じH7の穴でも 止まり穴と貫通穴（通し穴）で加工方法 ...
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ずっとリモートワークしているから解る。機械設計業務を遠隔地で成功させる為に僕が思うこと
2025/11/13 リモートワーク
今日は「ずっとリモートワークしているから解る。機械設計業務を遠隔地で成功させる為に僕が思うこと」についてのメモです。 先日、こんな呟きをしました。 https://twit ...
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The operating range of the non-contact switch of the air cylinder is a few millimeters, with a stress difference of 1 to 1.5 mm or less
2025/2/15 Air Cylinder/Spicon
今日は「エアシリンダの無接点スイッチの動作範囲は数ミリで、応差は1～1.5ミリ以下」というメモです。 先日、一つのエアチャックを利用して複数のワークを把持するを設計しました ...
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Notation and characteristics of gas soft nitriding
2025/10/19 Surface treatment
Here is a note on "Notation and characteristics of gas soft nitriding" included in nitriding treatment. About gas nitrocarburizing About gas nitrocarburizing JIS: JIS B 6915 Characteristics of gas nitrocarburizing ...
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It should be used in the design of cutting parts. How parts should be designed considering cutting process taught by machining meisters.
2025/11/13 Machining/ Foundation
Here is a note that will surely be useful in machine drafting: "You should make use of it in designing machined parts. The machining meister taught me how to design parts considering the cutting process. The following is a memo from a machining meister.
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A book to find ideas and mechanisms for mechanical design
2025/10/19 The story of machine design
Today's note is about "a very good book for understanding mechanical mechanisms". Today I'm going to make a few notes about my review of this book that I woke up this morning and popped into my head. As the title says, the elements of a machine ...
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Differences in the amount of time spent on production equipment and product design
2025/10/19 The story of machine design, Design method
Today's memo is about the difference between spending time on production equipment and product design. Mechanical design can be broadly divided into two categories: designing products and designing facilities to produce and manufacture products.
