XJL數(shù)顯塑料拉伸沖擊試驗(yàn)機(jī)
一 產(chǎn)品介紹
主要用于在規(guī)定的拉伸沖擊速度下，測(cè)定塑料試樣斷裂所需能量的測(cè)試。用于測(cè)定塑料等非金屬材料的脆性、韌性。
二、特點(diǎn)
1 采用圓光柵測(cè)角技術(shù)，具有精度高、穩(wěn)定性好和測(cè)量范圍大等特點(diǎn)
2 具有數(shù)字化測(cè)量計(jì)算沖斷功、沖擊強(qiáng)度、計(jì)算一批試樣的平均值等功能
3 預(yù)仰角、 升角校驗(yàn)方便
4 顯示方式：液晶觸摸屏
三、用途：
主要用于在規(guī)定的拉伸沖擊速度下，測(cè)定塑料試樣斷裂所需能量的測(cè)試。 用于測(cè)定塑料等非金屬材料的脆性、韌性。
四、符合標(biāo)準(zhǔn)：
GB/T 13525 《塑料拉伸沖擊性能試驗(yàn)方法》
ASTM D1822《使塑料及電絕緣材料斷裂所需的拉伸沖擊能量的測(cè)試方法》
ISO 8256《塑料-拉伸-沖擊強(qiáng)度的測(cè)定》
五、技術(shù)參數(shù)：
1）沖擊速度：3.8m/s
2）沖擊能量：15J 、25J任選
3）擺錘力矩：pd15J=8.03848Nm pd25J=13.39746Nm
4）擺錘預(yù)揚(yáng)角：150°
5）打擊中心距：395mm
6）使用溫度：（10~35）℃
7）試樣尺寸：長(zhǎng)度80±2mm 寬度15±0.5mm 厚度<4mm
夾具間的自由長(zhǎng)度：30±2mm
2） 電源： 220VAC-15%～220VAC 10% 50HZ （單相三線制）
術(shù)語(yǔ)：拉伸沖擊強(qiáng)度：試樣受拉伸沖擊力破壞所消耗的沖擊能與試樣試驗(yàn)前最小橫截面的比值KJ/m2
**斷裂伸長(zhǎng)率：試樣斷裂后1min時(shí)斷裂部分拼接所測(cè)得的標(biāo)距相對(duì)于原始標(biāo)距的變化率（%）
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,%
