数显简支梁冲击试验机

液晶数显简支梁冲击试验机是对硬质塑料、尼龙、硬橡胶、电气绝缘材料等非金属材料在动负荷下抵抗冲击性能进行检测的仪器，

是非金属材料生产厂家、质检部门必备的检测仪器，

也是科研单位进行新材料研究不可缺少的测试仪器。

数显简支梁冲击试验机  主要技术参数Main technical parameters

（一）冲击能量：简支梁，7.5J  15J  25J  50J或最大冲击能量由用户指定

（二）摆锤预扬角：150°

（三）冲击速度：3.8m/s

（四）摆轴中心至试样中心的距离：395mm

（五）刀刃夹角：75°

（六）刀刃圆角半径：0.8mm

（七）支座圆角半径：无

（八）支座前角：无

（九）支座后角：无

（十）刀刃前角：5°

（十一）刀刃后角：10°

（十二）支座跨距：无

（十三）电源：交流220V  50Hz

（十四）外形尺寸：930×520×950mm

（十五）净重：80kg

无缺口试样简支梁冲击强度

无缺口试样在冲击负荷作用下，破坏时所吸收的冲击能量与试样的原始横截面积之比，以KJ/m²表示。

缺口试样简支梁冲击强度

缺口试样在冲击负荷作用下，破坏时吸收的冲击能量与试样缺口处的原始横截面积之比，以kj/m²表示。

相对冲击强度

缺口试样冲击强度与无缺口试样冲击强度之比，或同类试样A型与B型缺口冲击强度之比。

C型缺口试样冲击强度与A型或B型任一种缺口试样冲击强度之比，不得作为相对冲击强度的量度。

完全破坏

经达一次冲击使试样分成两段或几段。

部分破坏

一种不完全破坏，即无缺口试样或缺口试样的横断开90%。

无破坏

一种不完全破坏，即无缺口试样或缺口试样的横断面断开部分小于90%。

原理：

用已知能量的摆锤打击支承成水平梁的试样，由摆锤一次冲击使试样破坏。冲击线们于两支座正中，若为缺口试样则冲击线应正对缺口，以冲击前、后摆锤的能量差，确定试样在破坏时所吸收的能量。然后按试样原始横截面积计算其冲击强度。

满足标准：GB/T 1043-1993《塑料简支梁冲击试验方法》――简支梁冲击方法

本公司数显简支梁冲击试验机可对试验结果进行打印输出等功能。

简支梁冲击试验机作为控制产品质量必须的设备，在使用过程中如何排除故障、保证机器良好运转，操作人员应学会发现问题并能排除。

本机采用半自动化控制，操作简便、工作效率高。本机所配的专用液晶显示屏可显示即时信息。可打印输出。

注意事项1、该仪器初始的包装材料需小心保存，安装需由本公司的专业技术人员进行操作。2、若仪器由于任何原因必须返修，必须将其装入原纸箱中以防运输途中损坏。3、在开机前，操作者要首先熟悉操作方法。

售后内容：

一、我公司派工程师负责安装调试及培训。

二、产品自客户验收之日起，免费保修 2 年，终身维修。

1、设备安装调试：

免费为用户提供所购仪器的安装调试服务。在进行安装调试前用户方应提供相应的准备工作，并予以提前通知，具体安装调试日期双方可以协商而定。设备安装调试由多年行业资深工程师免费进行。保证用户可以正确使用、软件操作和一般维护以及应及故障的处理。

2、培 训：

我公司工程师免费为用户提供操作人员培训，直到操作人员能独立操作为止。

3、设备验收标准：用户方按订货技术要求进行验收。并符合国家标准要求。设备验收在用户方进行并由我公司安装调试技术人员和用户共同在维修报告上签字以确认仪器的调试工作完成。

The LCD digital display simply supported beam impact testing machine is an instrument that tests the impact resistance performance of non-metallic materials such as hard plastics, nylon, hard rubber, and electrical insulation materials under dynamic loads,

It is an essential testing instrument for non-metallic material manufacturers and quality inspection departments,

It is also an indispensable testing instrument for scientific research institutions to conduct new material research.

Main technical parameters

（1） Impact energy: simply supported beam, 7.5J 15J 25J 50J or maximum impact energy specified by the user

（2） Pendulum pre lift angle: 150 °

（3） Impact speed: 3.8m/s

（4） Distance from the center of the pendulum to the center of the specimen: 395mm

（5） Blade angle: 75 °

（6） Blade fillet radius: 0.8mm

（7） Support fillet radius: None

（8） Front corner of support: None

（9） Rear corner of support: None

（10） Blade front angle: 5 °

（11） Blade back angle: 10 °

（12） Support span: None

（13） Power supply: AC 220V 50Hz

（14） External dimensions: 930 × five hundred and twenty × 950mm

（15） Net weight: 80kg

Impact strength of a simply supported beam without notches

The ratio of the absorbed impact energy during failure of a non notched specimen under impact load to the original cross-sectional area of the specimen, expressed in KJ/m2.

Impact strength of notched specimens on simply supported beams

The ratio of the absorbed impact energy during failure of a notched specimen under impact load to the original cross-sectional area at the notch of the specimen, expressed in kj/m2.

Relative impact strength

The ratio of the impact strength of notched specimens to that of non notched specimens, or the ratio of the impact strength of A-type and B-type notches in similar specimens.

The ratio of the impact strength of C-type notched specimens to the impact strength of either A-type or B-type notched specimens shall not be used as a measure of relative impact strength.

Complete destruction

After a single impact, the sample is divided into two or several sections.

Partial destruction

A type of incomplete failure, which refers to the transverse fracture of 90% of the non notched specimen or notched specimen.

No damage

A type of incomplete failure, where the cross-sectional fracture of the non notched specimen or notched specimen is less than 90%.

Principle:

Use a pendulum with known energy to strike a specimen supported as a horizontal beam, and the specimen is destroyed by a single impact of the pendulum. The impact lines are located at the center of the two supports. If it is a notched specimen, the impact lines should be facing the notch. The energy difference between the pendulum before and after the impact is used to determine the energy absorbed by the specimen during failure. Then calculate the impact strength based on the original cross-sectional area of the sample.

Meet the standard: GB/T 1043-1993 "Method for Impact Test of Simply Supported Plastic Beams" - Simply Supported Beam Impact Test

Our company's digital simply supported beam impact testing machine has functions such as printing and outputting test results.

As a necessary equipment for controlling product quality, the simply supported beam impact testing machine requires operators to learn how to troubleshoot and ensure good operation of the machine during use.

This machine adopts semi-automatic control, which is easy to operate and has high work efficiency. The dedicated LCD display screen equipped with this device can display real-time information. Printable output.

Note 1: The initial packaging materials of the instrument should be carefully stored, and installation should be carried out by our company's professional technical personnel. 2. If the instrument needs to be repaired for any reason, it must be packed in the original cardboard box to prevent damage during transportation. 3. Before starting up, the operator should first familiarize themselves with the operating methods.

After sales content:

1、 Our company dispatches engineers to be responsible for installation, debugging, and training.

2、 The product comes with a 2-year free warranty and lifelong maintenance from the date of customer acceptance.

1. Equipment installation and debugging:

Provide users with free installation and debugging services for the purchased instruments. Before installation and debugging, the user should provide corresponding preparation work and give advance notice. The specific installation and debugging date can be negotiated by both parties. The equipment installation and debugging are carried out free of charge by experienced engineers in the industry for many years. Ensure that users can use the software correctly, perform software operations and general maintenance, and handle malfunctions promptly.

2. Training:

Our company's engineers provide free operator training to users until they can operate independently.

3. Equipment acceptance standard: The user shall conduct acceptance according to the technical requirements of the order. And meet the requirements of national standards. The equipment acceptance is carried out by the user and is jointly signed by our company's installation and debugging technicians and the user on the maintenance report to confirm the completion of the instrument's debugging work.