1.描述

離岸經(jīng)營(yíng)的立場(chǎng)是用來(lái)改進(jìn)，壓腳正平行試樣表的準(zhǔn)確性和模擬和數(shù)字硬度硬度計(jì)讀數(shù)的重復(fù)性。Any round og or dial durometer can be mounted on an applicable operating stand.任何一輪模擬或數(shù)字硬度可安裝在適用的經(jīng)營(yíng)場(chǎng)。展位的工作主要是為雙方與并行測(cè)試樣本使用。Irregularly shaped objects may be tested in a nest or a fixture to make the given surface parallel to the Durometer presser foot.形狀不規(guī)則的物體可能是在測(cè)試巢或夾具，使定表面平行的硬度壓腳。

ASTM D2240規(guī)定三類經(jīng)營(yíng)站：1類，2類，3。Te 1 are basic, manual operating stands.第1類是基本的，手動(dòng)操作站。Te 2 are stands capable of controlling the rate of descent, and Te 3 are hydraulically, pneumatically or electromechanical driven.類型2的代表能夠控制的下降率，和類型3的液壓，氣動(dòng)和機(jī)電驅(qū)動(dòng)。Shore manufactures stands that fall into all 3 categories.站在岸上生產(chǎn)納入3個(gè)類別的下降。

2.操作原理

人工站幾種型號(hào)可供選擇。The LR leverloader features a constant load weight for highly accurate and reproducible hardness readings.土地注冊(cè)處leverloader具有高度準(zhǔn)確，重現(xiàn)性硬度讀數(shù)恒定負(fù)載的重量。To operate, the lever is depressed to raise the specimen to the durometer, which in turn lifts a constant load weight seated on a shaft above the instrument.操作，杠桿低迷試樣的硬度，從而升降機(jī)恒定載重量在上述文書軸就座。The m of the durometer and instrument shaft embly in combination with the all weight produces the m necessary for Tes A, B, and O durometers.的硬度和組合儀表軸裝配質(zhì)量的小重量群眾的生產(chǎn)類型的A，B和O硬度要的。The addition of the large weight produces the m necessary for Tes C, D, and DO durometers.在大重量除了大規(guī)模的生產(chǎn)類型的C，D，做要的硬度。The durometer and instrument shaft embly produces sufficient m for testing with Te OO durometers.硬度和儀器的軸裝配生產(chǎn)用于面向?qū)ο笮陀捕葴y(cè)試的質(zhì)量。

在硬度應(yīng)用速度的變化是不同的硬度讀數(shù)的共同事業(yè)。For example, when testing materials with high properties, you may obtain a false high reading if you apply the durometer too quickly to the material.例如，當(dāng)高蠕變性能測(cè)試材料，您可能會(huì)得到一個(gè)錯(cuò)誤的高讀數(shù)如果你申請(qǐng)的硬度太快的物質(zhì)。The CV conveloader features a constant load weight and a hydraulic cylinder that automatically controls the application velocity of the durometer.該簡(jiǎn)歷conveloader具有恒定負(fù)載重量和液壓缸自動(dòng)控制的硬度應(yīng)用速度。When you release the pawl lever, the weight drives the durometer downward at a steady rate, controlled by the calibrated bleed resistance of oil through the hydraulic piston.當(dāng)您松開(kāi)棘爪桿，重量硬度下降的驅(qū)動(dòng)以穩(wěn)定的速度，由校準(zhǔn)流血通過(guò)液壓活塞耐油控制。The durometer contacts the specimen at a constant speed and force, ensuring repeatable and accurate test results.接觸的硬度試樣以恒定的速度和力量，可重復(fù)和的測(cè)試結(jié)果。

DR和DRCL（何恒定負(fù)載）代表提供一個(gè)穩(wěn)定的安裝和測(cè)試模擬或數(shù)字硬度夾具。Both models allow you to adjust specimen table and durometer heights.這兩種型號(hào)允許你調(diào)整樣本表和硬度高。When a durometer is mounted and properly aligned, the durometer's presser foot is exactly parallel to the specimen table on the stand, ensuring accurate and repeatable readings.當(dāng)安裝和硬度是對(duì)齊的硬度的壓腳，正是平行試樣表上的立場(chǎng)，準(zhǔn)確和可重復(fù)的讀數(shù)。The DR stand requires that you manually lower the durometer and then apply appropriate pressure to the specimen.在何立場(chǎng)需要您手動(dòng)降低硬度，然后采用適當(dāng)?shù)膲毫?/span>，試樣。In contrast, the DRCL stand provides a loading weight of known value for this purpose.相比之下，DRCL立場(chǎng)為此提供了一個(gè)已知值裝載重量。

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