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    華為客戶松不脫技術規范

    返回列表 來源:杰陽五金 瀏覽:- 發布日期:2018-11-26 22:28:00【

    DKBA

    華為技術有限公司內部技術規范

    Technical Specification of Huawei Technologies Co., Ltd

    DKBA0.480.0236 REV.G

    代替 To replace DKB0.480.0236 REV.F

     

     

    鋁制松不脫螺釘技術要求

    Requirements for aluminum captive screw

     

     

     

     

     

     

     

     

     

    20130320日發布                                  20130401日實施

    Released on March 20, 2013           Implemented on April 01, 2013

    華為技術有限公司

    Huawei Technologies Co., Ltd.

     

    版權所有  侵權必究

    All rights reserved


    修訂記錄

    技術要求號

    版本號

    更改說明

    主要起草人

    主要評審專家

    DKBA0.480.0236

    A

    增加FC-4B、FC-6B型號

    曾獻科

    楊四明 曾獻科 羅義誠 段旭明 肖  焰 張明燦

    DKBA0.480.0236

    B

    修改FC-6B型號的DriverSize槽號為3#,增加強度要求。

    謝會強

    趙華松 楊四明 曾獻科 羅義誠  肖焰   張明燦

    DKBA0.480.0236

    C

    增加浮動量的要求;

    增加了FC-3系列松不脫螺釘;

    更新模板。

    歐陽華

        劉勝林

    王文華  馬丁巳

    張明燦

    DKBA0.480.0236

    D

    增加FC-3-3BL型號,用于單板上硬盤架等的緊固。

    歐陽華、王種華

    周 偉  王文華 宋立群  馬丁巳

    張明燦

    DKBA0.480.0236

    E

    增加FC-4/ FC-4B/ FC-6B槽型說明;將槽型統一成“一字”加“十字”型。

    歐陽華

          斌 蒙光忠  汪海清

    鐘榮華

    DKBA0.480.0236

    F

    優化螺釘頭槽型中一字槽的尺寸

    許志敏

    趙華松    斌 蒙光忠  汪海清

    楊四明

    DKBA0.480.0236

    G

    增加松不脫優選屬性;增加FC-6-1B型號,將FC-6B調整為FC-6-2B;FC-3-3/FC-3-3B/FC-3-3BL的浮動量由0.6mm調整為0.5mm;增加尺寸D的要求,將FC-3-3/FC-3-3BA值由1.0改為1.2;增加彈簧壓到底的彈力大??;增加松不脫的最少使用次數要求。

    鄧陶勇/郭天次

    許志敏  肖春秀   趙華松  趙小青   楊四明

     

     

     

     

     

     

     

     

     

     

     


    1  目的和適用范圍

    1.1  目的

    結構外購件技術要求是描述公司結構外購件的受控性文件,其作用為:

    • 供應廠商進行產品設計、生產和檢驗的依據。

    • 品質部門驗貨、退貨的依據。

    • 物料部門進行采購的依據。

    • 對供應廠商產品質量進行技術認證的依據。

    • 結構設計部門選用結構外購件的依據。

    1.2   適用范圍

    本技術要求適用于鋁制松不脫螺釘的選型、采購與檢驗。

    2  引用的相關標準

    下列文件中的條款通過本規范的引用而成為本規范的條款。凡是注日期的引用文件,其隨后所有的修改單(不包括勘誤的內容)或修訂版均不適用于本規范,然而,鼓勵根據本規范達成協議的各方研究是否可使用這些文件的最新版本。凡是不注日期的引用文件,其最新版本適用于本規范。

    GB822            《十字槽圓柱頭螺釘》

    GB/T10125        《人造氣氛腐蝕試驗鹽霧試驗》

    GB2828           《逐批檢查計數抽樣程序及抽樣表(適應于連續批的檢查)》

    DKBA0.120.0019   《螺紋緊固工藝規范》

    DKBA 2332        《華為采購物料環保規范》

    DKBA0.450.0067    金屬表面轉化膜工藝質量要求

    DKBA0.450.0066    《金屬鍍層工藝質量要求》

    3  項目編碼與建模命名

    3.1 項目編碼

    無。

    3.2 建模命名

    型號

    NAME

    PNAME

    PCODE

    PBOM_CODE

    FC-3-1

    fc-3-1

    captive screw FC-3-1

    DKBA0.480.0236

    /

    FC-3-1B

    fc-3-1b

    captive screw FC-3-1B

    DKBA0.480.0236

    /

    FC-3-2

    fc-3-2

    captive screw FC-3-2

    DKBA0.480.0236

    /

    FC-3-2B

    fc-3-2b

    captive screw FC-3-2B

    DKBA0.480.0236

    /

    FC-3-3

    fc-3-3

    captive screw FC-3-3

    DKBA0.480.0236

    /

    FC-3-3B

    fc-3-3b

    captive screw FC-3-3B

    DKBA0.480.0236

    /

    FC-3-3BL

    fc-3-3bl

    captive screw FC-3-3BL

    DKBA0.480.0243

    /

    FC-3-4

    fc-3-4

    captive screw FC-3-4

    DKBA0.480.0236

    /

    FC-3-4B

    fc-3-4b

    captive screw FC-3-4B

    DKBA0.480.0236

    /

    FC-4

    fc-4

    captive screw FC-4

    DKBA0.480.0236

    /

    FC-4B

    fc-4b

    captive screw FC-4B

    DKBA0.480.0236

    /

    FC-6-1B

    fc-6-1b

    captive screw FC-6-1B

    DKBA0.480.0236

    /

    FC-6-2B

    fc-6-2b

    captive screw FC-6-2B

    DKBA0.480.0236

    /

    注:FC-3螺釘規格為M3;FC-4/ FC-4B螺釘規格為M4;FC-6-1B/ FC-6-2B螺釘規格為M6;B表示顏色為黑色;L表示螺釘加長。

    4  功能描述

    松不脫螺釘用于拉手條、插箱等的固定,操作方便,而且當螺釘松開時,螺釘不會松脫。松不脫螺釘可用手擰或用螺絲刀擰。

    僅可用于A、B類環境和C類環境的Ⅱ型結構件;不能用于I型結構件.

    5  要求

    5.1  一般要求

    5.1.1  結構和外形尺寸

    1)結構尺寸

    松不脫螺釘主要由旋鈕、漲鉚套、螺釘、彈簧組成,見圖1

     

    1  松不脫螺釘結構及尺寸示意圖

    結構尺寸如下表所示:

    型號

    適合板厚

    開孔直徑+0.08

    槽號

    A±0.1

    B±0.1

    C(Max)

    G±0.4

    D±0.3

    T1±0.2

    T2

    E±0.2

    浮動量

    優選

    屬性

    FC-3-1

     0.8-1.2

    4.8

    No.2

    1.0

    0.4

    4.6

    6

    1.2

    15.3

    13.5

    10.5

    0.6

    禁選

    FC-3-1B

    禁選

    FC-3-2

     1.5-3.0

    4.8

    No.2

    1.8

    1.0

    4.6

    6

    1.2

    15.3

    13.5

    10.5

    0.6

    禁選

    FC-3-2B

    優選

    FC-3-3

     0.8-2.0

    4.5

    No.2

    1.2

    0.4

    4.48

    5.5

    0.8

    14.4

    13.4

    8.0

    0.5

    禁選

    FC-3-3B

    優選

    FC-3-3BL

    0.8-2.0

    4.5

    No.2

    1.2

    0.4

    4.48

    6.5

    0.8

    15.4

    13.4

    8.0

    0.5

    禁選

    FC-3-4

    1.0-1.2

    4.8

    No.2

    1.4

    0.4

    4.6

    6

    1.0

    15.3

    13.5

    10.5

    0.6

    禁選

    FC-3-4B

    優選

    FC-4

     2.0-3.5

    6.8

    No.2

    2.4

    1.0

    6.7

    8.5

    1.0

    20

    17

    12

    0.9

     禁選

    FC-4B

    禁選

    FC-6-1B

    1.0~2.0

    8.2

    No.3

    1.5

    0.4

    8.17

    12.6

    1.0

    25.3

    19.3

    14.7

    0.9

    優選

    FC-6-2B

    3.0-4.8

    8.2

    No.3

    3.4

    1.6

    8.17

    12.6

    1.0

    25.3

    19.3

    14.7

    0.9

    禁選

    注: 1. FC-3-2/ FC-3-2B用于1.5mm板時,建議尺寸B0.4。

         2. FC-6-1B用于1.0mm板時,漲鉚一側會凸出板面0.1-0.2mm;用于1.2mm以上的板,無凸出。

    2)槽型結構尺寸:

    螺釘頭槽型要求“十字槽”加“一字槽”?!笆植邸背叽缫鬂M足GB822的規定;一字槽尺寸如下圖2所示。

    螺釘規格

    M3

    M4

    M6

    hmm

    1.0

    1.2

    1.6

    tmm

    1.0

    1.2

    1.6

     

    2 螺釘頭槽型

    5.1.2 材料工藝

    型號

    零件材料及表面處理

    旋鈕

    漲鉚套

    螺釘

    彈簧

    FC-3-1

    6061,本色陽極氧化

    6061,

    本色陽極氧化

    不銹鋼06Cr19Ni10,表面鈍化

    不銹鋼06Cr19Ni10,

    表面鈍化

    FC-3-1B

    6061,黑色陽極氧化

    易切鋼Y15,表面滲碳淬火,鍍黑鋅

    FC-3-2

    6061,本色陽極氧化

    不銹鋼06Cr19Ni10,表面鈍化

    FC-3-2B

    6061,黑色陽極氧化

    易切鋼Y15,表面滲碳淬火,鍍黑鋅

    FC-3-3

    6061,本色陽極氧化

    不銹鋼12Cr18Ni9,

    表面鈍化

    不銹鋼06Cr19Ni10,表面鈍化

    FC-3-3B

    6061,黑色陽極氧化

    易切鋼Y15,表面滲碳淬火,鍍黑鋅

    FC-3-3BL

    6061,黑色陽極氧化

    易切鋼Y15,表面滲碳淬火,鍍黑鋅

    FC-3-4

    6061,本色陽極氧化

    6061,

    本色陽極氧化

    不銹鋼06Cr19Ni10,表面鈍化

    FC-3-4B

    6061,黑色陽極氧化

    易切鋼Y15,表面滲碳淬火,鍍黑鋅

    FC-4

    6061,本色陽極氧化

    不銹鋼06Cr19Ni10,表面鈍化

    FC-4B

    6061,黑色陽極氧化

    易切鋼Y15,表面滲碳淬火,鍍黑鋅

    FC-6-1B

    6061,黑色陽極氧化

    易切鋼Y15,表面滲碳淬火,鍍黑鋅

    FC-6-2B

    6061,黑色陽極氧化

    易切鋼Y15,表面滲碳淬火,鍍黑鋅

     

    5.1.3  環保要求

    滿足《DKBA 2332 華為采購物料環保規范》要求。

    5.2  性能要求及檢驗方法

    5.2.1  外觀要求

    表面光潔、平整,鋁套直紋清晰,無批鋒。

    5.2.2  耐腐蝕要求

    不銹鋼件:符合DKBA0.450.0067金屬表面轉化膜工藝質量要求》不銹鋼鈍化的耐蝕性能要求。

    鋁件陽極氧化:符合《DKBA0.450.0067金屬表面轉化膜工藝質量要求》中鋁陽極氧化耐蝕性要求。

    電鍍鋅件:符合《DKBA0.450.0066 金屬鍍層工藝質量要求》中電鍍鋅的耐蝕性能要求。

    松不脫組合后要求:按照IEC 68-2-30(或GB/T 2423.4)交變濕熱6個周期(6天),無任何可見的被腐蝕情況。

    5.2.3  強度要求

    使用與螺釘槽號相匹配的標準工具,采用下表中緊固扭矩/松脫扭矩安裝后,螺釘表面不得有鍍層破壞、螺釘打花、滑絲等現象。

    螺釘需要達到下表中最小破壞扭矩要求。

    型號

    螺釘內外套最小抗拉力

    kgf

    緊固扭矩/松脫扭矩(單位:kgf.cm)

    (扭矩范圍:±10%

    最小破壞扭矩

    kgf.cm

    鉚裝壓力

    N

    彈簧壓到底的彈力(N

    一般連接

    -

    -鑄鋁,翻邊螺紋

    FC-3開頭的所有型號

    25

    5.5

    5

    13

    1600

    1.3±0.3

    FC-4

    35

    12

    10

    30

    2200

    1.3±0.3

    FC-4B

    FC-6-1B

    45

    30

    28

    100

    2500

    6.0±0.5

    FC-6-2B

    注:螺釘內外套抗拉力為松不脫螺釘鉚在5052H34鋁板上,測得的螺釘內外套抗拉力。

    5.2.4  安裝要求

    松不脫螺釘鉚裝好后,自由狀態下螺釘出、回彈需順暢。

    鉚裝后松不脫螺釘在產品上來回使用15次,不允許出現彈簧彈不起或卡死現象,黑色螺釘,十字槽不允許露白。

     

    6  檢驗規則

    本檢驗規則適用于華為公司來料檢驗,其檢驗應符合華為技術有限公司質量部門的規定。對于未規定的產品采用批次檢驗的方式,檢驗方法采用GB2828逐批檢驗中一次抽樣方案。

    7  說明

    1、本技術要求的解釋權歸華為技術有限公司整機工程部。

    2、供求雙方有技術上的分歧時,以本技術要求作為仲裁。

     

    1 Purposes and Application Scope

    1.1 Purposes

    The document about the technical requirements for OEM mechanical parts is a controlled document used to provide guidelines for Huawei. The purposes are as follows:

    • Providing guidelines for suppliers to design, produce, and inspect products

    • Providing guidelines for the Quality Dept. to inspect and return products

    • Providing guidelines for the Material Dept. to purchase products

    • Providing guidelines for technical certification on the products of suppliers

    • Providing guidelines for the Architecture Design Dept. to select OEM mechanical parts

    1.2 Application Scope

    This document is applicable to the selection, purchase, and inspection of aluminum captive screws.

    2 Related Reference Standards

    This document cites the terms of the following specifications. All subsequent changes (excluding the contents of corrigendum’s) or revised editions of any citations marked with dates are not applicable to this document. The latest versions of those not marked with dates are applicable.

    GB822   Cross recessed cheese head screws

    GB/T10125 Corrosion tests in artificial atmospheres—Salt spray tests

    DKBA0.120.0019 Screw Thread Fastening Industrial Engineering Specifications

    DKBA 2332 Environmental Specifications for the Materials Purchased by Huawei

    DKBA0.450.0067 Requirement for Conversion Coating on Metals

    DKBA0.450.0066 Requirements for Metal Plating.

    3 Project Number and Modeling Name

    3.1 Project Number

    None.

    3.2 Modeling Name

    Model

    Name

    PNAME

    PCODE

    PBOM_CODE

    FC-3-1

    fc-3-1

    captive screw FC-3-1

    DKBA0.480.0236

    /

    FC-3-1B

    fc-3-1b

    captive screw FC-3-1B

    DKBA0.480.0236

    /

    FC-3-2

    fc-3-2

    captive screw FC-3-2

    DKBA0.480.0236

    /

    FC-3-2B

    fc-3-2b

    captive screw FC-3-2B

    DKBA0.480.0236

    /

    FC-3-3

    fc-3-3

    captive screw FC-3-3

    DKBA0.480.0236

    /

    FC-3-3B

    fc-3-3b

    captive screw FC-3-3B

    DKBA0.480.0236

    /

    FC-3-3BL

    fc-3-3bl

    captive screw FC-3-3BL

    DKBA0.480.0243

    /

    FC-3-4

    fc-3-4

    captive screw FC-3-4

    DKBA0.480.0236

    /

    FC-3-4B

    fc-3-4b

    captive screw FC-3-4B

    DKBA0.480.0236

    /

    FC-4

    fc-4

    captive screw FC-4

    DKBA0.480.0236

    /

    FC-4B

    fc-4b

    captive screw FC-4B

    DKBA0.480.0236

    /

    FC-6-1B

    fc-6-1b

    captive screw FC-6-1B

    DKBA0.480.0236

    /

    FC-6-2B

    fc-6-2b

    captive screw FC-6-2B

    DKBA0.480.0236

    /

    Note: The FC-3 screw specification is M3. The FC-4/ FC-4B screw specification is M4. The FC-6-1B/FC-6-2B screw specification is M6. B indicates that the color is black. L indicates that the length of the screw is extended.

     

    4 Function Description

    A captive screw is used to fasten a faceplate or subrack. When you loosen the captive screw, it does not fall off. You can install a captive screw with your hand or with a screwdriver.

    The captive screw can only used for the class A and B environment and II structural parts of class C environment, cannot used for I structural parts.

    5 Requirements

    5.1 General Requirements

    5.1.1 Mechanical and Outline Dimensions

       1) The structure and dimensions

    A captive screw consists of the knob, anchor rivet sleeve, screw, and spring. See Figure 1.

    Figure 1 Structure and dimensions of a captive screw

    The following table lists the structure and dimensions of the captive screw.

    Model

    Board Thickness

    Hole Diameter

    Driver Size

    A±0.1

    B±0.1

    C(Max)

    G±0.4

    D±0.3

    T1±0.2

    T2

    E±0.2

    Floating Range

    Priority

    FC-3-1

    0.8-1.2

    4.8

    No.2

    1.0

    0.4

    4.6

    6

    1.2

    15.3

    13.5

    10.5

    0.6

    DXX

    FC-3-1B

    DXX

    FC-3-2

    1.5-3.0

    4.8

    No.2

    1.8

    1.0

    4.6

    6

    1.2

    15.3

    13.5

    10.5

    0.6

    DXX

    FC-3-2B

    B

    FC-3-3

    0.8-2.0

    4.5

    No.2

    1.0

    0.4

    4.48

    5.5

    0.8

    14.4

    13.4

    7.6

    0.5

    DXX

    FC-3-3B

    B

    FC-3-3BL

    0.8-2.0

    4.5

    No.2

    1.0

    0.4

    4.48

    6.5

    0.8

    15.4

    13.4

    7.6

    0.5

    DXX

    FC-3-4

    1.0-1.2

    4.8

    No.2

    1.4

    0.4

    4.6

    6

    1.0

    15.3

    13.5

    10.5

    0.6

    DXX

    FC-3-4B

    B

    FC-4

    2.0-3.5

    6.8

    No.2

    2.4

    1.0

    6.7

    8.5

    1.0

    20

    17

    12

    0.9

    DXX

    FC-4B

    DXX

    FC-6-1B

    1.0~2.0

    8.2

    No.3

    1.5

    0.4

    8.17

    12.6

    1.0

    25.3

    19.3

    14.7

    0.9

    B

    FC-6-2B

    3.0-4.8

    8.2

    No.3

    3.4

    1.6

    8.17

    12.6

    1.0

    25.3

    19.3

    14.7

    0.9

    DXX

    Note:

        1. When FC-3-2 or FC-3-2B is used for a board 1.5 mm thick, the recommended dimension B is 0.4.

    2. When FC-6-1B is used for a board 1.0 mm thick, it will be 0.1-0.2mm higher than the board surface; when used for board thicker than 1.2mm, it won’t be higher than the board surface.

    2) The dimensions of the screw groove

    Screw groove type "the cross groove" plus " slotted "."The cross groove" dimensions to meet the requirements of GB822 regulations; slotted sizes as shown below in Figure 2.

    Screw specification

    M3

    M4

    M6

    hmm

    1.0

    1.2

    1.6

    tmm

    1.0

    1.2

    1.6

    Figure 2 Groove-shaped screw head

     

    5.1.3     Material Technology

    Model

    Material and Surface Processing

    Knob

    Anchor rivet Sleeve

    Screw

    Spring

    FC-3-1

    Aluminum 6061, aluminum color anodizing

    Aluminum 6061

    Aluminum color anodizing

    Stainless steel 06Cr19Ni10, surface passivation

    Stainless steel 06Cr19Ni10

    Surface passivation

    FC-3-1B

    Aluminum 6061, black anodizing

    Easy-to-cut steel, carburizing guenching and black zinc plated

    FC-3-2

    Aluminum 6061, aluminum color anodizing

    Stainless steel 06Cr19Ni10, surface passivation

    FC-3-2B

    Aluminum 6061, black anodizing

    Easy-to-cut steel, carburizing guenching and black zinc plated

    FC-3-3

    Aluminum 6061, aluminum color anodizing

    Stainless steel 12Cr18Ni9

    Surface passivation

    Stainless steel 06Cr19Ni10, surface passivation

    FC-3-3B

    Aluminum 6061, black anodizing

    Easy-to-cut steel, carburizing guenching and black zinc plated

    FC-3-3BL

    Aluminum 6061, black anodizing

    Easy-to-cut steel, carburizing guenching and black zinc plated

    FC-3-4

    Aluminum 6061, aluminum color anodizing

    Aluminum 6061

    Aluminum color anodizing

    Stainless steel 06Cr19Ni10, surface passivation

    FC-3-4B

    Aluminum 6061, black anodizing

    Easy-to-cut steel, carburizing guenching and black zinc plated

    FC-4

    Aluminum 6061, aluminum color anodizing

    Stainless steel 06Cr19Ni10, surface passivation

    FC-4B

    Aluminum 6061, black anodizing

    Easy-to-cut steel, carburizing guenching and black zinc plated

    FC-6-1B

    Aluminum 6061, black anodizing

    Easy-to-cut steel, carburizing guenching and black zinc plated

    FC-6-2B

    Aluminum 6061, black anodizing

    Easy-to-cut steel, carburizing guenching and black zinc plated

     

    5.1.3 Environmental Requirement

    According to the requirements specified in the DKBA 2332 Environmental Specifications for the Materials Purchased by Huawei.

    5.2 Performance Requirements and Inspection Methods

    5.2.1 Appearance Requirement

    The appearance should be clean and flat and the straight veins of the aluminum sleeve are clear without cracks.

    5.2.2 Corrosion Requirement

    Stainless steel part: meet the corrosion resistance of stainless to DKBA04500067 Requirement for Conversion Coating on Metals

    Aluminum anodizing: meet the corrosion resistance of aluminum anodizing to DKBA04500067 Requirement for Conversion Coating on Metals

    Electrolytic zinc-coated part: meet the corrosion resistance of electrolytic zinc-coated to DKBA04500066 Requirements for Metal Plating.

    Captive screw assembled: an alternating hot and humid test is done for 6 cycles (6days) according to IEC 68-2-30 or GB/T2523.4, after the test there is no corrosion.

    5.2.3 Strength Requirement

    You need to use the standard tool matching the screw slot number. After you install the screw by using the fastening or loosening torque moment listed in the following table, no plating is damaged on the surface of the screw and the screw does not slip.

    The screw must meet the requirement on the minimum damage torque moment.

    Model

    Minimum Rally Resistance of the internal and external jackets of the screw

    (kgf)

    Fastening/Loosening Torque Moment (kgf.cm)

    (Range: ±10%)

    Minimum Damage Torque Moment

    (kgf.cm)

    Riveting Pressure

    (N)

    Spring Pressure for the End (N)

     

     

    General Connection

    Steel-Steel

    Steel-Cast Aluminum, with Screw Threads Upside Down Edges

    FC-3

    25

    5.5

    5

    13

    1600

    1.3±0.3

    FC-4

    35

    12

    10

    30

    2200

    1.3±0.3

    FC-6

    45

    30

    28

    100

    2500

    6.0±0.5

    Note: The rally that the internal and external jackets of the screw can resist is tested when the captive screw are tightened on a 5052–H34 aluminum plate

    5.2.4 Install Requirement.

    Captive screws installed well, in free state, screw is launched and rebounded smoothly.

    After captive screws installed, screws are used in the part for 15 times, it is not allowed that spring can’t work in the process, and is not allowed to see white on the screw groove in black captive screws.

    6 Inspection Rule

    The inspection rule is applicable to the inspection of the incoming materials of Huawei and it must comply with the regulations of the Quality Dept. of Huawei. The undefined products are inspected in batch and the single sampling plan of the GB2828 batch inspection is used.

    7 Notes

    1. MPE Dept. of Huawei reserves the right to interpret the technical requirements.

    2. If there is any disagreement, the arbitration is subject to the technical requirements.

     

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