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Reed rectangular connector plug contact pressure tester


【. ] Reference n】 As uranium E387-84Sta Ⅱ dardTestMethodForEstimatingStrayRadiantPowerRatioOfSpectrophotometersByTheOpaq ~ teFiltermethodAnalChem1981 ,53,[link widoczny dla zalogowanych],2201 - 2206StrayLightRadioMeasurement. AnalChem1963, VoL35 '№ 4. P561StrayLightInUltraviolet, Visible, AndNear ・ InfraredSpeotrophotometry rectangular connector plug Reed contact pressure tester had Ji Fa (Ganzhou, Jiangxi Province by plug plant) Abstract: cA-type, A-type rectangular connectors are asking for the radio equipment connected by an electronic AC and DC circuit plug According to the ministerial standard components, each plug contact with reed contact pressure of not less than 4.41N, in the past to change the by-line according to the method of testing when the Yak more inefficient. Accordingly, the authors developed a CA model, A rectangular connector plug reed contact pressure tester, can be detected while the Ministry of multi-line barrier, greatly improved work efficiency. First, the principle of this tester tester application of the principle of equal action and reaction, detection of reed contact pressure is qualified. The structure of the original 'as shown in Figure 1 for a reason. Circle, 1 reed contact with the outlet of the contact surface, measuring 43.2 Figure J Figure 2n-12 through the touch of a lever 3 when the amount of the pressure acting on the plug F reed 2. If the reed contact pressure F: ≥ F: 4.41N (from the pre-calibrated to ensure that compression spring 4), compressed rod touch, making contact with the contact plate 5 pole left contact, the circuit will be switched on, indicator light,[link widoczny dla zalogowanych], that is, The reed qualified, when the reed contact pressure is less than 4.41N, the touch bar and the contact piece 5 can not contact, the circuit is not connected, the light does not shine, the reed does not station grid. Second, the amount of the main structure and the Australian way Ⅱ Case of 20 cord. First, the direction by positioning the plug inserted into the device under test a working chamber 6 (see Figure 2),[link widoczny dla zalogowanych], and then pulled the handle 10 clockwise, pushing the cam 9 \Block 7, close each other, the slider bar on 2 2O a touch also with the pressure of the reed to the DUT to limit position when the handle after the pull, if installed in the panel base 20 LED light, the product contact pressure of the reed frame if Taiwan does not light, then the number with the light contact pressure corresponding to the reed failed. Alloy spring steel wire with compression springs (YB249-64) technical standard in a wire made of elastic control benefits will be adjusted in the 4.41 + o. Ⅱ 2N can meet the test requirements. I plant trial results show that the use of the tester, can improve work efficiency -1) times, n the number of lines for the connector. Porous measurement of location error HU Code (Anhui Institute of Optics and Fine Mechanics) Abstract: by the author to undertake the processing unit of a central electron-positron collider drift chamber of the side panel (as shown in the thickness of 12ram, outer diameter 290ram, ~ lB2mm circular plate ~ I58o a 4mm diameter holes, the hole location tolerance group demanding. This group of the porous plate position error of measurement for an introduction. side panel (see photo), the location of porous group error of measurement, processing and end points measured twice. The measurement process is actually a hole in order to control the amount change of center distance of group} is the hole the end of measurement error in the measurement of location. one hole group changes in the amount of center distance as shown in the Rl00mm Chiang volume 48 of a circle: \layers calculated from the theory of hole center late birds are listed in Table 2. each hole cut to the hole center distance is calculated as follows: = 2R. sin {(1) where,[link widoczny dla zalogowanych], d get 7.5. by ( 1) calculate the S are shown in Table 3. in processing the scene, often side-core processing will detect the edge of measurement of holding inserted test hole, with a lever micrometer in the radial, tangential, respectively, the amount of the guillotine. measured center distance and Table 2, Table 3, an optical 1.I have a 14 to help, Yu Nie Ⅲ ¨ theories,[link widoczny dla zalogowanych], the change in the amount of species of bamboo over 0.03ram are in compliance. Second, the hole position error of the measurement of group I. Measurement jig boring method used for domestic T4163 Boring Boring Di coordinates from the single-hung

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