一、電子拉力試驗機主要用途和使用范圍
  電子拉力試驗機主要用于各種非金屬及復合材料進行常規力學性能指標的測試。專業設計的自動控制和數據采集系統,實現了數據采集和控制過程的全數字化調整。本設備能夠對材料做拉伸、壓縮、彎曲試驗。該設備適用于航空航天、石油化工、玻璃纖維、陶瓷、防水卷材、電線電纜、彈簧、"/> 彎曲 材料試驗機 拉力檢測設備廠家"/>
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LDS電子拉伸力試驗機
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LDS電子拉伸力試驗機 
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LDS液晶屏電子拉力試驗機
一、電子拉力試驗機主要用途和使用范圍
     電子拉力試驗機主要用于各種非金屬及復合材料進行常規力學性能指標的測試。專業設計的自動控制和數據采集系統,實現了數據采集和控制過程的全數字化調整。本設備能夠對材料做拉伸、壓縮、彎曲 斷裂伸長率、屈服強度、彈性模量、斷裂強度試驗。

  該設備適用于航空航天、石油化工、玻璃纖維、陶瓷、防水卷材、電線電纜、彈簧、紡織、纖維、橡膠、塑料、食品、醫藥包裝、土工布、薄膜、木材、紙張等制造業以及各級產品質量監督部門,同時還適用于大中專院校進行教學演示工作 

二、電子拉力試驗機主要技術指標
1. 最大試驗力:50N   100N 200N 500N 1000N   5000N   10000N
2. 試驗力分檔:10000N   5000N 1000N 500N;200N;100N   50N    20N;
3. 試驗力測量精度:每檔1%起優于示值的±0.1%
4. 速度測量范圍:0.01~500mm/min
5. 速度測量準確度:±0.1%;
6. 拉伸行程:0~600mm;
7. 供電電源:220V,50Hz

8主機尺寸:500mm*410mm*1500mm

9重量:150KG

三符合標準:

  符合GB 16491、GB 13022、GB/T 1040、GB/T 1041、GB/T 8804、GB/T 9341、GB/T 9647、GB/T 17200、GB/T 528-1998、GB/T 1039、ISO7500-1 、ISO5893、ASTM D638、ASTM D 695、ASTM D 790 ISO 9697、ISO 9969、ASTM D 2412

GB/T 9647-2015熱塑性塑料管材環剛度的測定

GB/T 18477.1-2011 埋地排水用硬聚氯乙烯(PVC-U)結構壁管道系統 第1部分 雙壁波紋管材

GB T 18477.2-2011 埋地排水用硬聚氯乙烯(PVC-U)結構壁管道系統 第2部分_ 加筋管材

GB/T 18477.3-2009 埋地排水用硬聚氯乙烯(PVC-U)結構壁管道系統 第3部分:雙層軸向中空壁管材

GB/T 16800-2008GB T 16800-2008 排水用芯層發泡硬聚氯乙烯(PVC-U)管材

GB/T 19471.1-2004 塑料管道系統 硬聚氯乙烯(PVC-U)管材彈性密封圈式承口接頭 偏角密封試驗方法

GB/T19471.2-2004 GB/T 19471.2-2004 塑料管道系統 硬聚氯乙烯(PVC-U)管材彈性密封圈式承口接頭 負壓密封試驗方法

CJ/T 165-2002 高密度聚乙烯纏繞壁結構管材

JC/T 838-1998 玻璃纖維纏繞增強熱固性樹脂夾砂壓力管

GB/T5836等標準的規定

四、電子拉力試驗機功能介紹   
1. 自動標定:系統可自動實現示值準確度的標定;
2. 檔位轉換:根據試驗力的大小切換到適當的量程,以確保測量數據的準確性;
3. 自動顯示:在整個試驗過程中,實時顯示試驗力、位移、峰值等;
4. 破斷判斷:試樣斷裂后,移動橫梁自動停止移動;
5. 限位保護:具有機械和程控兩級限位保護功能;

6可以連接計算機 (選配)實現數據分析、數據存儲、打印功能。 

五、試驗機的結構特征及工作原理

本機由機械、電氣二大部分組成

5.1機械部分結構及工作原理:

本機采用電動加載方式,底部是整機結構承載支架,內部包含有電機驅動器、加載電機、減速系統、動力傳動機構等部件;

上部是試樣夾持及力值、變形測量機構,包含有加載傳動機構、試樣拉伸夾具、試樣壓縮夾具、測力傳感器、位移傳感器等主要部件。

5.2 電氣部分:

電氣部分由顯示測量控制部分組成。顯示測量控制部分實現各種控制、顯示、數據采集、處理等功能。主控制器可以根據不同是試驗要求,選擇拉伸、剛度、壓縮試驗模式,并設置各試驗模式試樣參數,調整好試樣后,按試驗鍵,系統即可自動啟動試驗,并根據相應的試驗條件,自動判斷停機處理,同時顯示相應的試驗結果。

5.3 本機的幾項主要功能:

5.3.1 全開放性參數設置

5.3.2 設置參數永久保存,下次開機自動讀取顯示

5.3.3 浮動零點設置,可隨時調整零點

5.3.4 峰值保持及存儲,常值跟隨;

5.3.5 在有效速度范圍內,速度值任意設置;

5.3.6 橫梁移動過程中的速度快捷切換功能

5.3.7 靈活的數據查詢顯示功能;

5.3.8 過載停機、音頻報警保護功能;

5.3.9 試驗結束自動判斷功能;

位移信號,根據試驗規程,驅動電機運動,得出要求的結果,該主控板采用32位處理器,功能強大,運算速度快,下面將根據信號接線具體說明

主控板同時連接鍵盤和顯示驅動板,用來接收鍵盤命令,輸出顯示信息。鍵盤可以是按鍵鍵盤,也可以是薄膜鍵盤

液晶顯示器能實時顯示試驗曲線和多個測試結果,可連接多種型號的針打或熱敏微型打印機打印試驗曲線和試驗結果,驅動電機類型繁多,如直流調速器,步進電機,伺服電機,變頻器,比例閥等。既可用于工廠生產車間的惡劣環境也可用于實驗室的清潔環境,操作起來快速靈活。

圖片2.png圖片3.png圖片4.png


5.4面鍵各部功能介紹:

液晶顯示屏:顯示力值、峰值, 位移、速度、提示等。

鍵盤:配合液晶使用,用于控制操作和各參數值的改變,以及控制電機的運行。

5.5各按鍵介紹:

名稱及功能:

[↑]、[↓][←]兩鍵配合[標定]、[設置]用于選擇和修改數據,下面在其他鍵的功能介紹中穿插進行示例說明。

    [設置],按[設置]鍵將顯示


這也是開機后直接進入的狀態。其中第一行反白顯示,表示默認的是第一行,按[↑]、[↓]鍵可在三個選項里變換,選中其中一項后按[設置]鍵后顯示


最后兩行是操作提示,其中第一行反白顯示,表示默認的是第一行,按[↑]、[↓]鍵可在多個選項里變換,這些選項都是前一步選擇所需要的參數,前一步的選擇不同,本屏選項的內容和數目也不同。用[↑]、[↓]鍵選中某個選項,則該選項反白顯示,這時按[設置]鍵,則該選項內容的最后一位閃爍顯示,表示該位可以修改,按[↑]、[↓]鍵則該位在0-9之間變化,按[←]鍵則前移一位閃爍顯示,該項的內容修改完畢后按[設置]鍵,則數字停止閃爍,整個參數項繼續反白顯示,這時按[↑]、[↓]可以選擇其他參數項。當所有的參數修改完畢后按[復位]鍵,則保存剛才所有的修改并進入到正常試驗狀態

設置參數說明:設置參數共10項或更多項(隨功能不同而變),

普通拉試驗時

以一定的速度加力直到試樣破壞

進行試驗前,先設置好試驗參數,拉籪或壓碎自動停機,自動記錄最大力,最大強度,最大變形率,還能自動求出屈服強度。


當試件破壞后,就自動求出了試驗結果,試驗結果有:

最大力值,

最大強度,

斷點變形率

斷點變形

屈服點力

屈服強度

彈性模量

Electronic Tension Testing Machine for LDS LCD Screen

I. Main Use and Use Range of Electronic Tension Testing Machine

The electronic tension tester is mainly used to test the conventional mechanical properties of various non-metal and composite materials. The specially designed automatic control and data acquisition system realizes the full digital adjustment of data acquisition and control process. This equipment can do tensile, compressive, bending elongation at break, yield strength, modulus of elasticity, fracture strength test for materials.

The equipment is suitable for aerospace, petrochemical, glass fiber, ceramics, waterproof roll, wire and cable, spring, textile, fiber, rubber, plastics, food, pharmaceutical packaging, geotextile, film, wood, paper and other manufacturing industries and product quality supervision departments at all levels. It is also suitable for teaching demonstration in Colleges and universities.

Main Technical Indicators of Electronic Tension Testing Machine

1. Maximum test force: 50N 100N 200N 500N 1000N 5000N 10000N

2. Test force classification: 10000N 5000N 1000N 500N; 200N; 100N 50N 20N;

3. Measuring accuracy of test force: 1% of each gear is better than (+0.1%) of indication value.

4. Speed measurement range: 0.01-500 mm/min

5. Accuracy of velocity measurement: +0.1%;

6. Tensile stroke: 0-600 mm;

7. Power supply: 220V, 50Hz

8 Host Size: 500mm*410mm*1500mm

9 Weight: 150 KG

Three compliance criteria:

Compliance with GB 16491, GB 13022, GB/T 1040, GB/T 1041, GB/T 8804, GB/T 9341, GB/T 9647, GB/T 17200, GB/T 528-1998, GB/T 1039, ISO7500-1, ISO5893, ASTM D638, ASTM D 695, ASTM D 790, ISO 9697, ISO 9969, ASTM D 2412

Measurement of Ring Stiffness of Thermoplastic Pipes GB/T 9647-2015

GB/T 18477.1-2011 Hard polyvinyl chloride (PVC-U) structural wall piping system for underground drainage Part 1 Double-wall corrugated pipes

GB T 18477.2-2011 Hard polyvinyl chloride (PVC-U) structural wall piping systems for buried drainage Part 2 Reinforced pipes

GB/T 18477.3-2009 Hard polyvinyl chloride (PVC-U) structural wall piping systems for buried drainage Part 3: Double-layer axial hollow wall pipes

Core foamed rigid polyvinyl chloride (PVC-U) pipes for drainage

GB/T 19471.1-2004 Test Method for Deflection Sealing of Elastic Seal Ring Socket Joint of Hard Polyvinyl Chloride (PVC-U) Pipe in Plastic Pipeline System

Test Method for Negative Pressure Sealing of Rigid Polyvinyl Chloride (PVC-U) Pipe Elastic Seal Ring Socket Joint in Plastic Pipeline System GB/T19471.2-2004 GB/T 19471.2-2004

CJ/T 165-2002 High Density Polyethylene Winding Wall Structural Pipe

JC/T 838-1998 Glass filament wound reinforced thermosetting resin sandwich pressure pipe

Regulations of GB/T5836 and other standards

IV. Introduction to the Function of Electronic Tension Testing Machine

1. Automatic calibration: The system can automatically realize the calibration of indication accuracy;

2. Shift conversion: switch to the appropriate range according to the size of test force to ensure the accuracy of measurement data;

3. Automatic display: during the whole test process, real-time display of test force, displacement, peak value, etc.

4. Fracture judgment: the moving beam automatically stops moving after the specimen breaks;

5. Limit protection: with mechanical and programmable two-level limit protection function;

6. It can connect computer (optional) to realize data analysis, data storage and printing.

5. The Structure and Working Principle of the Testing Machine

This machine is composed of mechanical and electrical parts.

5.1 The structure and working principle of the mechanical part:

The machine adopts electric loading mode, the bottom of which is the bearing bracket of the whole machine structure, which contains motor driver, loading motor, deceleration system, power transmission mechanism and other components.

The upper part is the sample clamping and force value, deformation measurement mechanism, including loading transmission mechanism, sample tension clamp, sample compression clamp, force sensor, displacement sensor and other major components.

5.2 Electrical part:

The electric part is composed of the display and measurement control part. The display and measurement control part realizes various functions such as control, display, data acquisition and processing. The main controller can select the tension, stiffness and compression test modes according to the test requirements, and set the test parameters of each test mode. After adjusting the samples, the system can automatically start the test by pressing the test keys. According to the corresponding test conditions, the system can automatically judge the shutdown treatment and display the corresponding test results.

5.3 Several main functions of this machine:

5.3.1 Fully Open Parameter Settings

5.3.2 Settings parameters are permanently saved, and the next boot automatically reads and displays

5.3.3 Floating Zero Settings, Zero can be adjusted at any time

5.3.4 Peak value is maintained and stored, and constant value is followed.

5.3.5 In the range of effective speed, the speed value is set arbitrarily.

5.3.6 Fast Switching Function of Speed in the Process of Transverse Beam Moving

5.3.7 Flexible data query and display function;

5.3.8 Overload shutdown, audio alarm protection function;

5.3.9 The automatic judgment function is completed.

The displacement signal, according to the test rules, drives the motor to move, and obtains the required results. The main control board uses 32-bit processor, which has powerful function and fast operation speed. The following will be explained in detail according to the signal wiring.

The main control board is connected with keyboard and display driver board to receive keyboard commands and output display information. Keyboard can be keyboard or thin film keyboard

LCD can display test curves and results in real time. It can print test curves and results with various types of pin-punch or thermal micro-printer. There are many types of driving motors, such as DC speed governor, step motor, servo motor, frequency converter, proportional valve, etc. It can be used not only in the harsh environment of factory workshop, but also in the clean environment of laboratory. It can be operated quickly and flexibly.





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