拉伸強(qiáng)度電子萬(wàn)能材料試驗(yàn)機(jī)硬件介紹：

6.1系統(tǒng)全數(shù)字設(shè)計(jì)，精度高、穩(wěn)定、安全、數(shù)字調(diào)零；

6.2全系統(tǒng)無(wú)任何可調(diào)器件，硬件數(shù)字調(diào)零和測(cè)控參數(shù)自動(dòng)標(biāo)定；

6.3本系統(tǒng)采用PCI2.2總線標(biāo)準(zhǔn)，易擴(kuò)展、易升級(jí)而且做到“即插即用”；                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              

6.4控制系統(tǒng)集程控放大A/D轉(zhuǎn)換、計(jì)數(shù)及脈沖發(fā)生（PWM）等功能于一體。

拉伸強(qiáng)度電子萬(wàn)能材料試驗(yàn)機(jī)主要計(jì)數(shù)指標(biāo)
A．荷重元：0-3T
B．力量解析度：1/300000
C．力量準(zhǔn)確度：≤0.5％
D．力量放大倍數(shù)：7段自動(dòng)切換
E．位移解析度：1/1000
F．位移準(zhǔn)確度：≤0.5％
G．金屬引伸計(jì)解析度：1/1000
H．金屬引伸計(jì)準(zhǔn)確度：≤0.5％
I．大變形引伸計(jì)準(zhǔn)確度：±1mm
J．速度范圍：0.001－500mm/min（特殊測(cè)試速度亦可依客戶需求定制）
K．行走空間：950mm（不含夾持器、特殊測(cè)試空間亦可依客戶需求定制）
L．測(cè)試寬度：350mm（特殊測(cè)試寬度亦可依客戶需求定制）
M．使用電源:∮220V 50HZ。
N．功率：約600W
O. 機(jī)臺(tái)尺寸:約660×560×1600 mm(長(zhǎng)×寬×高)  

普通測(cè)試項(xiàng)目：（普通顯示值及計(jì)算值）
●拉伸應(yīng)力      ●拉伸強(qiáng)度
●扯斷強(qiáng)度      ●扯斷伸長(zhǎng)率
●定伸應(yīng)力      ●定應(yīng)力伸長(zhǎng)率
●定應(yīng)力力值    ●撕裂強(qiáng)度
●任意點(diǎn)力值    ●任意點(diǎn)伸長(zhǎng)率
●抽出力         ●粘合力及取峰值計(jì)算值
●壓力試驗(yàn)       ●粘合力剝離力試驗(yàn)
●彎曲試驗(yàn)       ●拔出力穿刺力試驗(yàn)

力量精度在±0.5 %以內(nèi)。
B.容量分段:全程七檔：× 1，× 2，× 5，× 10，× 20，× 50，× 100
采用高精度24 bits A/D，取樣頻率200Hz
全程力量zui大解析度 1/3000,000
C.動(dòng)力系統(tǒng):見(jiàn)配置清單

D.控制系統(tǒng): 采用Pulse Command控制方式使控制更精準(zhǔn)
速度控制范圍0.001~500 mm/min。
中聯(lián)板調(diào)整具有快速粗調(diào)與慢速微調(diào)功能。
測(cè)試后自動(dòng)回歸原點(diǎn)、自動(dòng)儲(chǔ)存。
E.數(shù)據(jù)傳輸方式：RS232傳輸
F.顯示方式:UTM107+WIN-XP測(cè)試軟件計(jì)算機(jī)屏幕顯示。
G.簡(jiǎn)潔的全程一檔與精密全程七檔力量線性雙校正系統(tǒng)。
H.豪華測(cè)試界面軟件可實(shí)現(xiàn)定速度、定位移、定荷重（可設(shè)定保持時(shí)間）、定荷重增率、定應(yīng)力增率、定應(yīng)變?cè)雎实瓤刂颇Ｊ郊由隙嚯A控制模式可滿足不同的測(cè)試要求。
I.測(cè)試空間:測(cè)試寬度約350 mm（標(biāo)準(zhǔn)規(guī)格）
 聯(lián)板行走空間950 mm（不含夾具）（標(biāo)準(zhǔn)規(guī)格）
J.全程位移: 編碼器2500 P/R，提升4倍精度
采用LINE DRIVE編碼器抗干擾能力*
位移解析0.001mm。
小變形：金屬引伸計(jì)，解析 0.001mm（選購(gòu)）
K.安全裝置:過(guò)載緊急停機(jī)裝置、上下行程限定裝置、漏電自動(dòng)斷電系統(tǒng)、自動(dòng)斷點(diǎn)停機(jī)功能。
M．手控方式：可增添無(wú)線遙控裝置或手動(dòng)操作盒。（選購(gòu)）

特殊測(cè)試項(xiàng)目：
1.彈性系數(shù)即彈性楊氏模量
定義：同相位的法向應(yīng)力分量與法向應(yīng)變之比。為測(cè)定材料剛性之系數(shù)，其值越高，材料越強(qiáng)韌。
2.比例限：荷重在一定范圍內(nèi)與伸長(zhǎng)可以維持成正比之關(guān)系，其zui大應(yīng)力即為比極限。
3.彈性限：為材料所能承受而不呈*變形之zui大應(yīng)力。
4.彈性變形：除去荷重后，材料的變形*消失。
5.*變形：除去荷重后，材料仍殘留變形。
6.屈服點(diǎn)：材料拉伸時(shí)，變形增快而應(yīng)力不變，此點(diǎn)即為屈服點(diǎn)。屈服點(diǎn)分為上下屈服點(diǎn)，一般以上屈服點(diǎn)作為屈服點(diǎn)。
屈服（yield）：荷重超過(guò)比例限與伸長(zhǎng)不再成正比，荷重會(huì)突降，然后在一段時(shí)間內(nèi)，上下起伏，伸長(zhǎng)發(fā)生較大變化，這種現(xiàn)象叫作屈服。
7.屈服強(qiáng)度：拉伸時(shí)，*伸長(zhǎng)率達(dá)到某一規(guī)定值之荷重，除以平行部原斷面積，所得之商。
8.彈簧K值：與變形同相位的作用力分量與形變之比。
9.有效彈性和滯后損失：
在拉力機(jī)上，以一定的速度將試樣拉伸到一定的伸長(zhǎng)率或拉伸到規(guī)定的負(fù)荷時(shí)，測(cè)定試樣收縮時(shí)恢復(fù)的功和伸張時(shí)消耗的功之比的百分?jǐn)?shù)，即為有效彈性；測(cè)定試樣伸長(zhǎng)、收縮時(shí)所損失的能與伸長(zhǎng)時(shí)所消耗的功之比的百分?jǐn)?shù)，即為滯后損失。

主要配置：

4.1 單臂式高強(qiáng)度主機(jī)一臺(tái)：

4.1.1高精度圓弧同步減速系統(tǒng)一套；

4.1.2中國(guó)臺(tái)灣ABBA高精密滾珠絲杠副兩套；

4.1.3試驗(yàn)機(jī)拉伸輔具一套；

4.2測(cè)控系統(tǒng)一套：

4.2.1高精度光電編碼器一只；

4.2.2數(shù)字調(diào)速調(diào)速系統(tǒng)一套；

4.2.3數(shù)字調(diào)速調(diào)速電機(jī)一套；

4.2.4高精度負(fù)荷傳感器一支；

根據(jù)GB/T2611-2007《試驗(yàn)機(jī)通用技術(shù)要求》和GB/T16491-2008《電子式萬(wàn)能試驗(yàn)機(jī)》標(biāo)準(zhǔn)制造。計(jì)算機(jī)全自動(dòng)控制設(shè)備的上升、下降、試驗(yàn)、停止等，設(shè)備外形美觀、操作方便、性能穩(wěn)定可靠。

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