顯示具有 ASTM 標籤的文章。 顯示所有文章
顯示具有 ASTM 標籤的文章。 顯示所有文章

20200408

關於規範標準 (About the Certification and Standards)

關於規範標準 (About the Certification and Standards)

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# Update = 2020-0408
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# Keywords : AISI, ASTM, BIFMA, DIN, JIS, TAF, UL, ... .
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# Dimension and Tolerance

[] ASME Y14.5-2009, Dimensioning and Tolerancing. https://www.asme.org/products/codes-standards/y145-2009-dimensioning-and-tolerancing

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# Carabiner

[] ASTM F1774-13-Standard Specification for Climbing and Mountaineering Carabiner, https://www.astm.org/Standards/F1774.htm

[] ASTM F1956-13-Standard Specification for Rescue Carabiners, https://www.astm.org/Standards/F1956.htm

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# Fastener

[] ASTM F606 / F606M, Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct Tension Indicators, and Rivets. https://www.astm.org/Standards/F606.htm

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# Compressional testing :

[] ASTM E9, Standard Test Methods of Compression Testing of Metallic Materials at Room Temperature. https://www.astm.org/Standards/E9.htm

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# Tensile testing:

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# Roll forming

[] DIN-6935, Cold bending of flat rolled steel. https://www.beuth.de/en/standard/din-6935/144419944
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# Rack / Rail / Slide

[] ANSI / BIFMA X5.6, Panel System - Tests. https://www.bifma.org/store/ViewProduct.aspx?id=1375089
[] UL 60950-1, Information Technology Equipment - Safety - Part 1: General Requirements.

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# TAF

[] ISO/IEC 17025, 實驗室認證規範
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# REFERENCE


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20200324

里氏硬度測試 (Leeb Hardness Test)

里氏硬度測試 (Leeb Hardness Test)

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# Update = 2020-0324
# Author : Enson, Yu.
# Keywords: Hardness, HL, Leeb hardness, ASTM A956M, ... .
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# Leeb Hardness Number [ASTM-A956M]:

HL = 1000 x (Rebound Velocity / Impact Velocity)

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# REFERENCE

[] Leeb rebound hardness test, WIKI, https://www.wikiwand.com/en/Leeb_rebound_hardness_test

[] 里氏硬度計, BAIKE, https://baike.baidu.com/item/里氏硬度计

[] 里氏硬度試驗, www.chihong-ht.com.tw/pdf/ch-q-305.pdf

[] ASTM, A956/A956M-17a-Standard Test Method for Leeb Hardness Testing of Steel Products, https://compass.astm.org/EDIT/html_annot.cgi?A956+17a

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20190212

設備儀器校正相關規範

設備儀器校正相關規範

Keywords: ASTM, TAF, Standard, ... .
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Standards:

[] ASTM E4 - 16, Standard Practices for Force Verification of Testing Machines, https://www.astm.org/Standards/E4.htm

[] ASTM E83-16, Standard Practice for Verification and Classification of Extensometer Systems, https://www.astm.org/Standards/E83.htm

E83-10a: Classfication of Extensometer Systems


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