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北京撕裂、90?剝離、剪切強度試驗機  常見故障：

1：上升、下降、試驗操作時，按下鍵后顯示停止

  解決方案：1：檢查系統(tǒng)設(shè)置當(dāng)前量程設(shè)置和過載保護率

            2：檢查速度參數(shù)是否變化

            3：檢查傳感器是否過載

2：上電后儀表藍屏

解決方案：1：重新上電

           2：重新上電如果不行，拿到?jīng)]有干擾的地方上電試一下

           3：聯(lián)系生產(chǎn)廠家更換液晶屏

3：橫梁不移動

 解決方案：1：檢查數(shù)據(jù)線是否連接號

           2：檢查是否過載，傳感器是否損壞

           3：是否限位，移動磁鐵

4：儀表不準(zhǔn)確

解決方案：  1：傳感器是否損壞

             2：調(diào)整了標(biāo)定系數(shù)

             3：是否年檢

北京撕裂、90?剝離、剪切強度試驗機   環(huán)境與工作條件

在下列條件下試驗機應(yīng)能正常工作：

a) 室溫10℃～35℃范圍內(nèi)；

b) 相對濕度不大于80％；

c) 周圍無振動、無腐蝕性介質(zhì)和無較強電磁場干擾的環(huán)境中；

d) 電源電壓的變化在額定電壓的?10％以內(nèi)；

e) 在穩(wěn)固的基礎(chǔ)上正確安裝，水平度為0.2／l 000。

5.1.1 一般要求

5.1.1.1 試驗機機架應(yīng)具有足夠的剛性和試驗空間，應(yīng)能方便地進行各種試驗并應(yīng)便于試樣、試樣夾具和試驗機附件的裝卸以及標(biāo)準(zhǔn)測力儀的安裝與使用。

5.1.1.2 試驗機在施加和卸除力的過程中應(yīng)平穩(wěn)，無沖擊和振動現(xiàn)象。

5.1.2 拉伸試驗夾持裝置

5.3.2.1   拉伸試驗的試樣夾持裝置在任意位置上和施加力的過程中，上、下夾頭和試樣鉗口的中心線應(yīng)與試驗機的加力軸線同軸，其同軸度：

      ——對于最大容量不大于5kN的試驗機不應(yīng)超過Ф2mm/500 mm；

      ——對于最大容量大于5kN的試驗機應(yīng)符合表4的規(guī)定。

表4  同軸度最大允許值

5.3.2.2   夾頭應(yīng)保證夾持可靠，在夾持部分的全長內(nèi)應(yīng)均勻地夾緊試樣，并應(yīng)能對試樣施加試驗機的最大力值。在加力狀態(tài)下或試驗過程中試樣與夾頭不應(yīng)產(chǎn)生相對滑移。

5.3.2.3  夾頭在卸除力或做試樣的拉斷試驗后，鉗口各部位應(yīng)無損傷。

5.3.2.4  鉗口應(yīng)具有互換性。

特殊測試項目： 

A. 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。為測定材料剛性之系數(shù)，其值越高，材料越強韌。
B.比例限：荷重在一定范圍內(nèi)與伸長可以維持成正比之關(guān)系，其醉大應(yīng)力即為比極限。
C.彈性限：為材料所能承受而不呈永久變形之醉大應(yīng)力。
D.彈性變形：除去荷重后，材料的變形完全消失。
E.永久變形：除去荷重后，材料仍殘留變形。
F.屈服點：材料拉伸時，變形增快而應(yīng)力不變，此點即為屈服點。屈服點分為上下屈服點，一般以上屈服點作為屈服點。屈服(yield)：荷重超過比例限與伸長不再成正比，荷重會突降，然后在一段時間內(nèi)，上下起伏，伸長發(fā)生較大變化，這種現(xiàn)象叫作屈服。
G.屈服強度：拉伸時，永久伸長率達到某一規(guī)定值之荷重，除以平行部原斷面積，所得之商。
H.彈簧K值：與變形同相位的作用力分量與形變之比。
I.有效彈性和滯后損失：
在拉力試驗機上，以一定的速度將試樣拉伸到一定的伸長率或拉伸到規(guī)定的負荷時，測定試樣收縮時恢復(fù)的功和伸張時消耗的功之比的百分?jǐn)?shù)，即為有效彈性；測定試樣伸長、收縮時所損失的能與伸長時所消耗的功之比的百分?jǐn)?shù)，即為滯后損失。

適用范圍：

廣泛應(yīng)用于電線電纜、紡織物、防水材料、無紡布、安全帶、橡膠、塑料、薄膜、鋼絲繩、鋼筋、金屬絲、金屬箔、金屬板材和金屬棒絲等金屬材料和非金屬材料及零部件產(chǎn)品進行拉伸、壓縮、彎曲、撕裂、90?剝離、180?剝離、剪切、粘合力、拔出力、延伸伸長率等試驗，以及一些產(chǎn)品的特殊力學(xué)性能試驗。

Common faults:

1: When performing ascending, descending, or experimental operations, pressing the key will display 'stop'

Solution: 1: Check the current range setting and overload protection rate of the system settings

2: Check if the speed parameters have changed

3: Check if the sensor is overloaded

2: Blue screen on the instrument panel after power on

Solution: 1: Power on again

2: If it doesn't work, try powering it on in a place without interference

3: Contact the manufacturer to replace the LCD screen

3: The crossbeam does not move

Solution: 1: Check if the data cable has a connection number

2: Check if there is overload and if the sensor is damaged

3: Is there a limit, move the magnet

4: Inaccurate instrument

Solution: 1: Is the sensor damaged

2: Adjusted the calibration coefficient

3: Is it an annual inspection

Environment and working conditions

The testing machine should be able to operate normally under the following conditions:

a) Within the temperature range of 10 ℃ to 35 ℃ at room temperature;

b) Relative humidity not exceeding 80%;

c) In an environment without vibration, corrosive media, and strong electromagnetic interference;

d) The variation of power supply voltage is within ? 10% of the rated voltage;

e) Install correctly on a stable foundation, with a levelness of 0.2/1000.

5.1.1 General Requirements

5.1.1.1 The testing machine frame should have sufficient rigidity and testing space, and should be able to easily conduct various tests. It should also be convenient for the loading and unloading of specimens, specimen fixtures, and testing machine accessories, as well as the installation and use of standard force measuring instruments.

5.1.1.2 The testing machine should be stable during the application and removal of force, without any impact or vibration phenomena.

5.1.2 Tensile test clamping device

5.3.2.1 During the process of applying force and at any position, the center lines of the upper and lower clamps and specimen jaws of the specimen clamping device for tensile testing should be coaxial with the force axis of the testing machine, and their coaxiality should be:

——For testing machines with a maximum capacity of no more than 5kN, the diameter should not exceed 2mm/500mm;

——For testing machines with a maximum capacity greater than 5kN, they should comply with the provisions of Table 4.

Table 4 Maximum allowable coaxiality values

Maximum allowable coaxiality of testing machine level

%

0.5 12

1 15

5.3.2.2 The clamp should ensure reliable clamping, and the specimen should be uniformly clamped along the entire length of the clamping part, and should be able to apply the maximum force of the testing machine to the specimen. There should be no relative slip between the specimen and the clamp under applied force or during the testing process.

5.3.2.3 After unloading the force or conducting a tensile test on the specimen, all parts of the clamp should be undamaged.

5.3.2.4 The jaws should have interchangeability.

Special testing items:

A. The elastic coefficient, also known as the Young's modulus of elasticity, is defined as the ratio of the normal stress component to the normal strain in the same phase. To determine the coefficient of material rigidity, the higher the value, the stronger the material.

B. Proportional limit: The load can maintain a proportional relationship with elongation within a certain range, and its maximum stress is the specific limit.

C. Elastic limit: The maximum stress that a material can withstand without permanent deformation.

D. Elastic deformation: After removing the load, the deformation of the material completely disappears.

E. Permanent deformation: After removing the load, the material still retains deformation.

F. Yield point: When a material is stretched, the deformation increases while the stress remains constant, and this point is called the yield point. The yield point is divided into upper and lower yield points, and generally the upper yield point is taken as the yield point. Yield: When the load exceeds the proportional limit and elongation is no longer proportional, the load will suddenly drop, and then fluctuate up and down over a period of time, causing significant changes in elongation. This phenomenon is called yield.

G. Yield strength: The quotient obtained by dividing the load at which the permanent elongation reaches a specified value during stretching by the original cross-sectional area of the parallel part.

H. Spring K value: the ratio of the force component in phase with the deformation to the deformation.

I. Effective elasticity and hysteresis loss:

On a tensile testing machine, when the specimen is stretched at a certain speed to a certain elongation or to a specified load, the percentage of the recovered work during shrinkage and the consumed work during stretching is measured as the effective elasticity; The percentage of the energy lost during the elongation and contraction of a sample compared to the work consumed during elongation is called hysteresis loss.

Scope of application:

Widely used in tensile, compressive, bending, tearing, 90 ? peeling, 180 ? peeling, shear, adhesion, pull-out force, elongation at extension and other tests for metal and non-metal materials and component products such as wires and cables, textiles, waterproof materials, non-woven fabrics, seat belts, rubber, plastic, film, steel wire ropes, steel bars, metal wires, metal foils, metal sheets and metal rods, as well as special mechanical performance tests for some products.

關(guān)于儀器質(zhì)保：1、北廣儀器保證提供的設(shè)備為需方指定的全新設(shè)備，其各項技術(shù)指標(biāo)均符合相關(guān)的產(chǎn)品技術(shù)要求。2、設(shè)備經(jīng)客戶驗收合格后，開始計算保修期，設(shè)備免費保修期為壹年，設(shè)備在質(zhì)量保質(zhì)期內(nèi)，產(chǎn)品在非人為損壞的情況下，由北廣儀器負責(zé)全保。北廣儀器的客服在得到通知后24小時內(nèi)響應(yīng)，安排約定維修細節(jié)。3、質(zhì)保期后，我們免費為您維修維護設(shè)備，除大型設(shè)備外所有設(shè)備一律返廠維修，經(jīng)檢驗后，電話告知客戶問題所在及解決方式，經(jīng)客戶同意后進行維修，維修后發(fā)回客戶，對于損壞及更換的零部件我們只收取成本費；如客戶不認(rèn)同我們的檢驗結(jié)果，雙方另協(xié)商維修細節(jié)。

安全注意事項：開機之前，敬請仔細閱讀本使用指南，以防止出現(xiàn)對操作人員的意外傷害或?qū)x器的損壞等的事件。操作前，請閱讀“安裝與設(shè)置”，保證對儀器各部件的正確安裝與連接。在第一次操作前，務(wù)必請有操作經(jīng)驗的人員進行指導(dǎo)，防止誤操作造成意外事件的發(fā)生。電擊危險： 確保在安裝或維修該儀器之前使所有導(dǎo)線斷電，防止在帶電情況下，對人員或設(shè)備造成傷害。

北廣精儀公司電性能及橡膠塑料相關(guān)產(chǎn)品：

BWN拉力材料試驗機（符合國標(biāo)GB/T1172-1999、GB/T2975-1998、GB/T10632-1989）

BDJC-10KV-200KV電壓擊穿試驗儀（符合國標(biāo)GB1408-2006、GB/T1695-2005、GB/T3333、HG/T 3330、GB12656、ASTM D149）

BEST-121體積表面電阻率測定儀（符合國標(biāo)GB/T 1410、2439、10581、1692、12703.4、10064、ASTM D257-99）

BQYH-96塑料球壓痕硬度計（符合國標(biāo)GB/T3398-2008）

BEST-19導(dǎo)體材料電阻率測試儀

M-200橡膠塑料滑動摩擦試驗機（國標(biāo)，非國標(biāo)，可定制）

GDAT-A介電常數(shù)介質(zhì)損耗測試儀（可測試固體液體

BQS-37A高頻介電常數(shù)介質(zhì)損耗測試儀

BDH-20KV絕緣材料耐電弧性能試驗儀/高電壓小電流測試儀

BWK-300A液顯熱變形維卡軟化點溫度測定儀

BQYH-96塑料球壓痕硬度計

BRT-400Z熔體流動速率測定儀/熔融指數(shù)儀

BMD-A計算機控制馬丁耐

HMYX-2000海綿泡沫壓陷硬度測定儀

HMLQ-500海綿泡沫落球回彈儀

HMPL-2000海綿泡沫疲勞沖擊測定儀

HMLS-1000海綿拉伸強度試驗機

HMYS-200海綿壓縮永久變形試驗機

HMMD-A海綿密度測定儀

JF-3氧指數(shù)測定儀

XCY-III低溫脆性試驗機

BLD-600V漏電起痕試驗儀

BLD-6000V高壓漏電起痕試驗儀

BLC-2000落球沖擊試驗機

BLB-30管材落鏢沖擊試驗機

BCM-03擺錘薄膜沖擊試驗機

CZF-5水平垂直燃燒試驗儀

BZR-A汽車內(nèi)飾材料阻燃性能試驗機

BYL-01啞鈴制樣機

BJ-50簡支梁沖擊試驗機  

BX-50懸臂梁沖擊試驗機

BM-201門尼粘度試驗機

BL-200無轉(zhuǎn)子硫化儀

cp-s沖片機手動  

cp-q氣動沖片機