WJDW-50B微機控制電子拉伸試驗機

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一.外觀照片：

二.項目簡介：

微機控制拉伸材料試驗機是電子技術與機械傳動相結合的新型材料試驗機，它具有寬廣準確的加載速度和測力范圍，對載荷、變形、位移的測量和控制有較高的精度和靈敏度，還可以進行等速加載、等速變形、等速位移的自動控制試驗，并有低周載荷循環、變形循環、位移循環的功能。該系列機型主要適用于試驗負荷低于50kN的金屬材料、非金屬試驗。

三.使用領域：

用于各種金屬材料試樣的拉伸、壓縮、彎曲、剪切、剝離、撕裂等試驗，以及一些產品的特殊試驗。計量質檢；橡膠塑料；冶金鋼鐵；機械制造；電子電器；汽車生產；紡織化纖；電線電纜；包裝材料和食品；儀器儀表；科研；民用核能；民用航空；高等院校；科研實驗所；商檢仲裁、技術監督部門；建材陶瓷；石油化工；其它行業。

四.依據標準：

滿足國家標準《GB/T16491-1996 電子拉伸試驗機》GB/T228.1-2010《金屬材料 室溫拉伸試驗方法》、GB/T7314-2005《金屬壓縮試驗方法》的要求，符合GB、ISO、ASTM、DIN等多種標準的數據處理。可以符合用戶的要求及提供的標準。

五.重點描述：

1.主機：該機采用雙空間門式結構，上空間拉伸，下空間壓縮，彎曲。橫梁無級升降。傳動部分采用圓弧同步齒形帶，絲杠副傳動，傳動平穩，噪音低。特別設計的同步齒形帶減速系統和精密滾珠絲杠副帶動試驗機的移動橫梁運動，實現了無間隙傳動。

2.附具：

標準配置：楔型拉伸附具、壓縮附具各一套。

3.電氣測控系統：

（1）采用交流伺服系統和伺服電機，性能穩定、可靠，具有過流、過壓、超速、過載等保護裝置。

（2）具有過載、過流、過壓、位移上下限位和緊急停止等保護功能。

（3）內置式控制器，保證了該試驗機可以實現橫梁位移等參量的控制，可實現等速位移。。

（4）試驗結束時，可手動或自動高速返回試驗初始位置。

（5）實現了真正意義上的物理調零、增益調整及試驗力測量的自動換檔、調零、標定和存盤，無任何模擬調節環節，控制電路高度集成化。

（6）電氣控制線路參照標準，符合國家試驗機電氣標準，抗力強，保證了控制器的穩定性，實驗數據準確性。

（7）具有網絡接口，可進行數據的傳輸、存儲、打印記錄和網絡傳輸打印，可與企業內部局域網或Internet網連接。

4. 軟件主要功能特點描述

該測控軟件用于微機控制電子拉力試驗機進行各種金屬及非金屬（如，人造板等）的試驗，按照相應標準完成實時測量與顯示、實時控制及數據處理、結果輸出等各種功能。

(1)分權限管理，不同級別的操作者有不同的操作權限，可操作的菜單等內容也不同，既使普通操作者操作簡單、方便、快捷，又有效的保護了系統；

(2)實時測量與顯示試驗力及峰值、位移、變形等各信號；實現了Win2000、WinXP等NT模式平臺下的實時采集與控制；并實現了精確定時，高速采樣；

(3)實現了負荷-變形，負荷-位移等多種試驗曲線的實時屏幕顯示，可隨時切換觀察，曲線的放大與縮小非常方便；

(4)試驗參數的計算機存儲、設定、加載等功能，調零、標定等操作都從軟件上進行，各參數可方便的進行存儲和調入，從而使一臺主機帶多個傳感器時可以方便的切換。

(5)支持等速位移控制方式；并在操作者調試參數過程中給出標準參考曲線，從而使用戶實際觀察到各參數對效果產生的影響。

(6)采用人機交互方式分析數據。處理方法滿足應用廣泛的《GB/T228-2010金屬材料室溫拉伸試驗方法》要求，可自動計算彈性模量、屈服強度、規定非比例延伸強度等各種性能參數，也可人工干預分析過程，提高分析的準確度；也可以根據用戶提供的標準進行其他的數據處理。

(7)試驗數據以文本文件存貯，以方便用戶查詢，以及利用任何通用商業報表、字處理軟件對試驗數據進行再處理，同時方便聯網傳遞數據；

(8)可記錄、保存試驗全過程的數據曲線，并具有演示功能，實現試驗曲線再現。還可以進行曲線疊加對比，便于對比分析；

(9)可按用戶要求格式打印試驗報告。用戶可以自己選擇報告輸出基本信息和試驗結果及試驗曲線的內容，滿足各種需要；

(10)實現了試驗力和變形的數字調零、自動標定，方便了操作，提高了機器的可靠性。各種參數系統設置以文件形式存貯，便于保存和恢復；

(11)可應用于Win98、Win2000、WinXP等多種操作系統。試驗過程控制、橫梁移動速度的改變、參數輸入等操作可全部用鍵盤、鼠標完成，使用方便快捷；

(12)可自動識別并支持外部點動控制，使裝夾試樣時很方便；

(13)具備過載保護自動停機功能，并可以自動判斷試樣斷裂，自動停機。根據用戶要求不同，上述軟件功能會有增減或調整改變。

六.技術指標：

WDW Electronic Universal Testing Machine

I. Product Description

This series of testing machines are used to measure the mechanical properties of thermosetting and thermoplastic plastics, such as tensile modulus, flexural modulus, compressive modulus, yield strength, tensile strength, fracture strength, elongation at break, compressive stress, compressive strain, shear, peeling, bracing, tearing and penetration. It is suitable for material analysis and inspection in engineering plastics, reinforced nylon, modified plastics, plastic profiles, plastic pipes, plastic sheets and film industries.

2. Product characteristics:

1. Super-high Rigid Structures

Gantry-type ultra-high rigidity frame structure, wide speed control range, sealed vertical shaft bracket, super rigidity, no clearance ball bearing, high accuracy, good stability.

2. Three kinds of speed closed-loop control

It can complete closed-loop control mode of stress, strain and displacement; test can be programmed according to the above control mode, and the control mode can be seamlessly switched; advanced closed-loop AC servo maintenance-free control system is adopted with high precision and reliability; imported reducer and ball screw improve control accuracy and stability.

3. Intelligent Digital Measurement and Control Technology

The imported high-quality load sensor and the piecewise linear correction method are used in the acquisition part to ensure the high accuracy and stability of the load detection part. Sensors adopt original intelligent and digital design, and get rid of traditional acquisition and transmission mode, which greatly improves the sampling accuracy and stability of sensors. Sensor recognition technology is used to automatically identify the installation status, sensor properties and sensor coefficients of sensors; no software is needed for sensor change; no site calibration is needed for Sensor damage and replacement. Accurate.

4. High Speed Processor

The high-speed processor with built-in DSP not only greatly improves the sampling rate of the system, but also improves the control accuracy and response time of the system.

5. Strain measurement system

Equipped with large deformation extensometer, it has good two-way follow-up and strong follow-up. It can accurately measure the deformation of the sample within the distance between the standard lines of the sample, so as to obtain more accurate yield strain, fracture strain and stress at X% and other data. Small deformation extensometer and deflection extensometer can be selected to measure precisely 0.1um, which can accurately measure the tensile elastic modulus and flexural elastic modulus.

6. Wireless Control of the iPad

The host can exchange data with the external embedded system in various modes, such as serial port, WIFI, Bluetooth and so on, according to different working conditions. Through apples

The company's iPad 2 remote monitoring and control, with high reliability and safety.

7. Modular Design

The design concept of testing standard as the basic module of the experiment, abundant software testing module, basically contains all the current testing methods, and can add new standard modules according to user needs, with the expansion of utilizing functions, to meet the special needs of more non-standard customers.

8. Powerful Software Functions

The stress rate, strain rate, displacement speed, constant load and constant strain are controlled by programming and can be switched seamlessly.

The practical zero-return function can eliminate the initial stress of the specimen reasonably and effectively by adjusting the position of the cross beam, so as to obtain more accurate test results.

With the support of Chinese, English, French, German (for export) and other languages, software internationalization can be realized.

Many functions such as stress-strain curve, load-displacement curve, strain-time curve, displacement-time curve and coordinate system configuration are provided.

Embedded data analysis and comparison software, test data, test reports exported to Excel or web page functions. It provides an assistant analysis means for user product development.

The diagnosis and upgrade can be realized by network technology, and can be updated and upgraded online free of charge at any time through the network.

III. Compliance with Standards

GB/T16491, GB 13022, GB/T 13022, GB/T 1040, GB/T 1041, GB/T 1041, GB/T 8804, GB/T 18997.1, GB/T 18997.1, GB/T2791, GB/T 9341, GB/T328.8, GB/GB/T 9647, GB/T 9647, GB/T 15788, GB/T 17200, GB/GB/T 19806, GB/T 19806, GB/T 528-1998, GB/T 528-1998, GB/T 1039, ISO7500-1, ISO5893, ISO5893, ASTM D638, ASTM D638, ASTM D 695, ASTMD 695, ASTMD 790, ISO 790, ISO 9697, ISO 609696ISO 527 ASTM D 2412 ASTM D 638

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. TECHNOLOGICAL PARAMETERS

Model

WDW-20/50

WDW-5/10

Testing force

20kN/50KN

5KN/10kN

Test Machine Level

Level 0.1

Measurement range of test force

0.01%-99% FS

Relative error of test force indication

+ 0.1%

Experimental resolving power

1/200000

Deformation measurement range

0.1-99% FS

Relative error of deformation indication

Less than (+0.1%)

Deformation resolution

1/200000

Large Deformation Measurement Range

1-800.00mm

large deformation