本機(jī)為半自動(dòng)控制試驗(yàn)機(jī)，操作簡(jiǎn)單工作效率高，揚(yáng)擺、沖擊、放擺電器控制，并能利用沖斷試樣后的剩余能量自動(dòng)揚(yáng)擺作好下次試驗(yàn)準(zhǔn)備，特別適用于連續(xù)做沖擊試驗(yàn)的實(shí)驗(yàn)室和大量做沖擊試驗(yàn)的冶金、機(jī)械制造等行業(yè)。

BJJB-300B型沖擊試驗(yàn)機(jī)符合國(guó)標(biāo)GB/T3808-2002《擺錘式?jīng)_擊試驗(yàn)機(jī)的檢驗(yàn)》，按國(guó)標(biāo)GB/T229-2007《金屬材料夏比擺錘沖擊試驗(yàn)方法》對(duì)金屬材料進(jìn)行沖擊試驗(yàn)。

四、技術(shù)特點(diǎn)：

1、試驗(yàn)機(jī)主機(jī)為單支承柱式結(jié)構(gòu)，懸臂式掛擺方式，擺錘錘體U型；

2、沖擊刀采用螺釘安裝固定，更換簡(jiǎn)單方便；

3、試樣簡(jiǎn)支梁式支承；

4、主機(jī)裝有安全防護(hù)銷(xiāo)，并且配備了安全防護(hù)網(wǎng)；

5、試驗(yàn)機(jī)為半自動(dòng)控制，揚(yáng)擺、掛擺、沖擊、放擺均為電氣控制，并能利用沖斷試樣后的剩余能量自動(dòng)揚(yáng)擺做好下次試驗(yàn)準(zhǔn)備，特別適用于連續(xù)做沖擊試驗(yàn)的試驗(yàn)室和大量做沖擊試驗(yàn)的冶金、機(jī)械制造等部門(mén)；

6、試驗(yàn)機(jī)符合國(guó)標(biāo)GB/T3803-2002《擺錘式?jīng)_擊試驗(yàn)機(jī)的檢驗(yàn)》，按國(guó)標(biāo)GB/T229-2007《金屬夏比缺口沖擊試驗(yàn)方法》對(duì)金屬材料進(jìn)行沖擊試驗(yàn)。

五、技術(shù)指標(biāo)：

1、沖擊能量：300J（大錘） 150（小錘）

2、沖擊速度：5.2m/s

3、擺錘預(yù)揚(yáng)角：150°

4、試樣支座跨距：40mm

5、支座鉗口圓角：R1.0~1.5mm

6、沖擊刀刃圓角：R2.0~2.5mm R8mm

7、擺錘中心至沖擊點(diǎn)距離：750mm

8、標(biāo)準(zhǔn)試樣尺寸：10×10(7.5或5)×55mm

9、擺錘力矩： M=160.7695N.m 80.3848N.m

10、電源和功率：三相四線 50Hz 380V 180W

11、外形尺寸：約2100×650×1900mm

12、角度準(zhǔn)確度： 0.1°

13、重量：約500Kg

六、設(shè)備主要配置：

1、300焦耳主機(jī) 1臺(tái)

2、150J、300J 擺錘各 1個(gè)

3、電機(jī)（裝在主機(jī)上）； 1臺(tái)

4、內(nèi)六角扳手S=12（扳鉗口座壓板螺釘） 1件

5、支座調(diào)校器 1只

6、試樣對(duì)中器 1只

7、拆卸器（換擺用） 1件

8、地腳螺釘 4個(gè)

9、調(diào)整斜鐵 4塊

10、防護(hù)網(wǎng) 1套

七、環(huán)境與工作條件

1、室溫10℃-35℃范圍內(nèi);相對(duì)濕度不大于80%；

2、周?chē)鸁o(wú)振動(dòng)、無(wú)腐蝕性介質(zhì)和無(wú)較強(qiáng)電磁場(chǎng)干擾的清潔環(huán)境中；

3、電源電壓的波動(dòng)范圍應(yīng)在額定電壓的土10%以內(nèi)；

4、在穩(wěn)固的基礎(chǔ)上正確安裝。

BJJB-300B metal semi-automatic impact testing machine.

I. equipment name: metal semi-automatic impact testing machine.

Ii. Type no. : bjjb-300b.

Iii. Performance description:

The bjjb-300b impact tester is used to determine the resistance of metal materials under dynamic loads to determine the quality of materials under dynamic load.

This machine is semi-automatic control testing machine, the operation is simple and high efficiency, Yang pendulum is, impact, control, and can use the surplus energy of thrust sample after automatic Yang place ready for the next test, especially for continuous do impact test impact test lab and a lot of metallurgy, machinery manufacturing and other industries.

The bjjb-300b impact testing machine is in conformity with GB/ t3808-2002 "test of pendulum impact testing machine", and the impact test of metal materials is carried out according to GB/ t229-2007 "metal materials charpy impact test method".

Iv. Technical features:

1. The main engine of the testing machine is single supported column structure, cantilevered hanging pendulum mode, and swing hammer body U type;

2. The impact knife is fixed with screws and easy to replace;

3. Simple support beam support;

4. The main engine is equipped with safety protection pin and equipped with safety net;

5, testing machine is semi-automatic control, Yang place, hanging pendulum, the shock, put the pendulum are electrical control, and can use the surplus energy of thrust sample after automatic Yang pendulum is ready for the next test, especially for continuous do impact test impact test lab and a lot of metallurgy, machinery manufacturing and other departments;

6. The testing machine is in conformity with GB/ t3803-2002 "test of pendulum impact test machine" and the impact test of metal materials is carried out according to GB/ t229-2007 "metal summer gap impact test method".

V. technical indicators:

1. Impact energy: 300J (sledgehammer) 150 (small hammer)

2. Impact velocity: 5.2m/s.

3, pendulum Yang Angle: 150 °

4. Span of sample support: 40mm.

5. Round Angle of support clamps: R1.0~1.5mm.

6. Impact blade rounded Angle: R2.0~2.5mm R8mm.

7. Pendulum center to impact point distance: 750mm.

8. Standard sample size: 10 x 10(7.5 or 5) x 55mm.

9. Pendulum moment: M=160.7695N.m 80.3848n.m.

10. Power and power: three-phase four-wire 50Hz 380V 180W.

11. Dimensions: about 2100 x 650 x 1900mm.