XJL数显塑料拉伸冲击试验机
一 产品介绍
主要用于在规定的拉伸冲击速度下，测定塑料试样断裂所需能量的测试。用于测定塑料等非金属材料的脆性、韧性。
二、特点
1 采用圆光栅测角技术，具有精度高、稳定性好和测量范围大等特点
2 具有数字化测量计算冲断功、冲击强度、计算一批试样的平均值等功能
3 预仰角、 升角校验方便
4 显示方式：液晶触摸屏
三、用途：
主要用于在规定的拉伸冲击速度下，测定塑料试样断裂所需能量的测试。 用于测定塑料等非金属材料的脆性、韧性。
四、符合标准：
GB/T 13525 《塑料拉伸冲击性能试验方法》
ASTM D1822《使塑料及电绝缘材料断裂所需的拉伸冲击能量的测试方法》
ISO 8256《塑料-拉伸-冲击强度的测定》
五、技术参数：
1）冲击速度：3.8m/s
2）冲击能量：15J 、25J任选
3）摆锤力矩：pd15J=8.03848Nm pd25J=13.39746Nm
4）摆锤预扬角：150°
5）打击中心距：395mm
6）使用温度：（10~35）℃
7）试样尺寸：长度80±2mm 宽度15±0.5mm 厚度<4mm
夹具间的自由长度：30±2mm
2） 电源： 220VAC-15%～220VAC 10% 50HZ （单相三线制）
术语：拉伸冲击强度：试样受拉伸冲击力破坏所消耗的冲击能与试样试验前最小横截面的比值KJ/m2
**断裂伸长率：试样断裂后1min时断裂部分拼接所测得的标距相对于原始标距的变化率（%）
Xjl LCD tensile impact testing machine
1. Product introduction
It is mainly used for testing the fracture energy of plastic samples under the specified tensile impact velocity. It is used to determine the brittleness and toughness of non-metallic materials such as plastics.
2、 Features
It has the advantages of high precision, good stability and wide measurement range
It has the functions of digital measurement and calculation of punching work, impact strength and average value of a batch of samples
3. The calibration of pre elevation and elevation angle is convenient
4 display mode: LCD touch screen
3、 Purpose:
It is mainly used for testing the fracture energy of plastic samples under the specified tensile impact velocity. It is used to determine the brittleness and toughness of non-metallic materials such as plastics.
4、 Compliance criteria:
GB / T 13525 test method for tensile impact properties of plastics
ASTM d1822 test method for tensile impact energy required to fracture plastics and electrical insulating materials
ISO 8256 - Determination of tensile strength of plastics
5、 Technical parameters:
1) Impact speed: 3.8m/s
2) Impact energy: 15J, 25J optional
3) Pendulum moment: pd15j = 8.03848nm pd25j = 13.39746nm
4) Pre lift angle of pendulum: 150 degrees
5) Strike center distance: 395mm
6) Service temperature: (10 ~ 35) ℃
7) Sample size: length 80 ± 2mm width 15 ± 0.5mm thickness < 4mm
Free length between clamps: 30 ± 2mm
2) Power supply: 220 vac-15% ～ 220 VAC 10% 50 Hz (single phase three wire system)
Term: tensile impact strength: the ratio of the impact energy consumed by the tensile impact force to the minimum cross section of the specimen before the test, kJ / m2
Permanent elongation at break: the change rate of the gauge length measured by splicing the broken part relative to the original gauge length at 1 min after fracture of the sample,%
