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  • 產品詳情
    • 產品名稱:硬度測量儀

    • 產品型號:810
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    硬度測量儀Newton Hardness Tester又名牛頓筆,由德國Robert Bosch GmbH發明,設計用于**地測量和記錄各種硬度(如各種涂層的硬度、塑料、木材或者金屬等材料表面的硬度),測量表面可為平面或曲面,且不論大小。該儀器攜帶方便,可裝在口袋中,適用于各種場合。
    詳情介紹:

    概述:

    硬度測量儀Newton Hardness Tester又名牛頓筆,由德國Robert Bosch GmbH發明,設計用于**地測量和記錄各種硬度(如各種涂層的硬度、塑料、木材或者金屬等材料表面的硬度),測量表面可為平面或曲面,且不論大小。該儀器攜帶方便,可裝在口袋中,適用于各種場合。

     

    設計:

    儀器內裝一個可調壓力的彈簧,壓力由滑桿控制,彈簧作用于一個碳化鎢測試頭上面,通過定位螺絲固定滑桿,以保證恒定的壓力,可選擇四種不同壓力的彈簧040N4000g),對應刻在筆上的刻度,四種壓力量程包括:

    No.1     03N 0300g  (藍色)       間隔:0.1N10g

    No.2     010N31000g (紅色)       間隔:0.5N50g

    No.3     020N02000g (黃色)       間隔:1N100g

    No.4     040N04000g (白色)       間隔:2N200g

    每一根與壓力量程對應的彈簧具有與刻度相應的顏色代碼

     

    測試方法:

    通過滑桿可設置估計或已知彈簧壓力。將儀器垂直放在測試表面,以10mm/秒的速度劃一條510mm的直線。測試頭會產生一條僅肉眼看得見的劃痕。如果彈簧壓力太高,劃痕會很清晰,如果彈簧壓力太低,將沒有劃痕出現。通過鎖定滑桿每次可以控制所需的壓力,單位為牛頓或克(Newtons or g)。

                                                                                                                                             

    保養事項:

    每次使用完應注意保持清潔。如需清潔,先松開螺母,拆下刻度筆,用軟布清潔測試頭、筆桿和孔。如長時間不用時可在各部件涂上一層保護油,放置于隨儀器的盒子內,并注意滑桿應設于零位以保護彈簧的**度。

     

    技術數據:

    壓力彈簧:彈簧鋼

    測試頭:合金鋼
    測試頭直徑:0.75mm(Bosch); 1.0mm(符合ISO1518DEF); 0.5mm(van LaarOpel)

    長度:160mm

    直徑:16mm

    重量:約250g

     

    訂購信息:

    型號       名稱

    810       硬度測試儀(牛頓筆)

     

    標準配置:
    硬度測試儀(含0.75mm測試頭)、三根壓力彈簧020N、證書、說明書、塑料盒;

    選配件:

    型號        名稱

    811                       測試頭0.5mm

    812                       測試頭(0.75mm

    813                       測試頭(1.0mm

    814                       壓力彈簧(03N

    815                       壓力彈簧(010N

    816                       壓力彈簧(020N

    817                       壓力彈簧(040N

    PURPOSE AND APPLICATION

    Modern manufacturing processes require efficient testing methods. Speedy, straightforward, accurate. Every time. Everywhere.

    This instrument has been designed for the measurement of the hardness of protective coatings. The degree of hardness of paint films, plastic coatings. etc. can be accurately measured and recorded with the Newton Hardness Tester, Model 810. no matter whether on a level or curved surface, small or large.

     

    The instrument is always ready for use. It is carried in the pocket, an asset which will be appreciated by all concerned with hardness tests.

     

    Uniform hardness and quality of the coating facilitate smooth-running manufacture. Deviation from a specified hardness causes rejects, delay in production an complaints. Developed by ERICHSEN, the instrument permits regular quality control of protective coatings, even during processing.

     

    The Newton Hardness Tester provides the engineer, foreman, inspector and others with a test instrument that satisfies the requirements of smooth production runs.

     

    TEST PROCEDURE USING MARKING PINS NOS.1,2 ,3 and 4

     

    The handing of the Newton Hardness Tester, Model 810 is extremely simple. The estimated or known spring tension is set with the help of the slider. Holding the instrument upright and placing its point on the test surface on draws a 5 to 10 mm long line at a rate of approximately 10mm/sec. the stylus should produce a scratch which is just visible with the naked eye. If the spring pressure is too high, the scratch is clearly visible: if too low, no scratch appears. By locking the slider every time one can control the applied pressure which is marked in Newtons.

     

    Four scales are engraved into the pencil for the three pressure ranges:

     

    0-3 N 0300g  (blue mark)    space: 0.1N10g

    0-10 N31000g (red mark)     space: 0.5N50g

    0-20 N02000g (yellow mark)   space: 1N100g

    0-40 N04000g (white mark)    space: 2N200g

    The spring for each of the pressure ranges are colour coded and the corresponding scale is marked in the same colour

     

    TEST PROCEDURE USING MARKING PIN NO.4

    The marking pin in accordance with Opel (0.5 mm dia.) has got a special tip geometry and a length that exceeds that of the other marking pins by approx.. 5 mm. in order to exert the pressure preset by the clamped slider, onto the marking pin the latter must be pressed into the test rod by appprox. 5 mm during the test.

    CARE AND MAINTENANCE

     

    No further maintenance is required, because of the plastic bearings used for the construction of the instrument. For the purpose of cleaning removes the engraving pencil. Rod and bore are then cleaned with a soft cloth.

     

    Although the Newton Hardness Test, Model 810 is of sturdy construction, the stylus point does not tolerate heavy blows. When not in use, the slider should be set to zero for preserving the accuracy of the springs.

     

    Technical data

     

    Compression Springs:                               spring steel

    Marking pins

    Nos. 1, 2 and 3:                                    tungsten carbide spheres

    No. 4                                            spring steel

                                                    With special tip geometry

    Stylus point dia. :

    No. 1                                          0.75 mm (Bosch)

    No. 2                                          1.0 mm (to relate to ISO 1518 and DEF)

    No. 3                                          0.5 mm (Van Laar)

    No. 4                                          0.5 mm (Opel)

     

    Total length:                                     160 mm

    Diameter:                                       16 mm

    Weight, net:                                      approx. 250g


     

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