微机控制电子万能拉力试验机适用于对各种金属和非金属材料进行拉伸，弯曲，压缩，剥离，撕裂，剪切、环刚度试验，是工矿企业、科研单位、大专院校、工程质量监督站等部门的理想检测设备。该电子万能拉力试验机采用单丝杆系列，控制、测量、操作一体化结构，融先进技术于一体，具有精度高、调速范围宽、结构紧凑、操作方便、性能稳定的特点。
5KN微机控制单臂电子万能试验机 5KN computer control single column electronic universal testing machine
1.简介
微机控制电子万能拉力试验机适用于对各种金属和非金属材料进行拉伸，弯曲，压缩，剥离，撕裂，剪切、环刚度试验，是工矿企业、科研单位、大专院校、工程质量监督站等部门的理想检测设备。high
该电子万能拉力试验机采用单丝杆系列，控制、测量、操作一体化结构，融先进技术于一体，具有精度高、调速范围宽、结构紧凑、操作方便、性能稳定的特点。
2. 试验方法
GB/T 2611 试验机 通用技术要求
GB/T 16491 电子式万能试验机
GB/T 13634 单轴试验机检验用标准测力仪的校准
ISO 376 Metallic materials-calibration of force-proving instruments used for the verification of uniaxial testing machines
GB/T 16825.1 静力单轴试验机的检验 第1部分：拉力和（或）压力试验机测力系统的检验与校准
ISO 7500-1 metallic materials-verification of static uniaxial testing machines- parts 1: tension/compression testing machines-verification ａnd calibration of the force-measuring system
GB/T 228 金属材料 室温拉伸试验方法
ISO 6892-1 metallic materials-tensile testing-part 1:method of test at room temperature
GB/T 232 金属材料 弯曲试验方法
ISO 7438 metallic materials-bend test
GB/T 7314 金属材料 室温压缩试验方法
ASTM E9 Standard test method of compression testing of metallic materials at room temperature
3. 配套设备
根据电子万能试验机所测不同材料，可配套使用各种试验附具。
4.技术参数
| 序号 | 项 目 | 规格参数及指标 |
| 1 | 试验力 | 5kN |
| 2 | 有效范围 | 0.4%～ |
| 3 | 试验力示值相对误差 | ≤±0.5% |
| 4 | 横梁移动速度范围 | 0.01～500mm/min |
| 5 | 横梁速度相对误差 | ≤±1% |
| 6 | 横梁行程 | 1090mm |
| 7 | 拉伸行程 | 800mm |
| 9 | 主机尺寸 | 400×300×1470mm |
| 10 | 电源 | 220V、1.0kW |
| 11 | 重量 | 约60kg |
5.测试项目
普通测试项目：拉伸应力、拉伸强度、扯断强度、扯断伸长率、定伸应力、定应力伸长率、定应力力值、撕裂强度、任意点力值、任意点伸长率、抽出力、粘合力及取峰值计算值、压力试验、剪切剥离力试验、弯曲试验、拔出力穿刺力试验
特殊测试项目：
弹性系数即弹性杨氏模量
定义：同相位的法向应力分量与法向应变之比。为测定材料刚性之系数，其值越高，材料越强韧。
比例限：荷重在一定范围内与伸长可以维持成正比之关系，其应力即为比例限。
弹性限：为材料所能承受而不呈变形之应力。
弹性变形：除去荷重后，材料的变形完全消失。
变形：除去荷重后，材料仍残留变形。
屈服点：材料拉伸时，变形增快而应力不变，此点即为屈服点。屈服点分为上下屈服点，一般以上屈服点作为屈服点。屈服（yield）：荷重超过比例限与伸长不再成正比，荷重会突降，然后在一段时间内，上下起伏，伸长发生较大变化，这种现象叫作屈服。
屈服强度：拉伸时，伸长率达到某一规定值之荷重，除以平行部原断面积，所得之商。.弹簧K值：与变形同相位的作用力分量与形变之比。
有效弹性和滞后损失：在万能材料试验机上，以一定的速度将试样拉伸到一定的伸长率或拉伸到规定的负荷时，测定试样收缩时恢复的功和伸张时消耗的功之比的百分数，即为有效弹性；测定试样伸长、收缩时所损失的能与伸长时所消耗的功之比的百分数，即为滞后损失。
5KN single column computer control electronic tensile testing machine
1 Introduction
The electronic universal tensile testing machine is suitable for stretching, bending, compressing, peeling, tearing, shearing ａnd ring stiffness tests on various metal ａnd non-metal materials. It is an ideal testing equipment for industrial ａnd mining enterprise, research institute, college, engineering quality supervision station, etc.
The electronic universal tensile testing machine adopts a single screw rod series, which integrates control, measurement ａnd operation, ａnd integrates advanced technology into one. It has the characteristics of high precision, wide speed regulation range, compact structure, convenient operation ａnd stable performance.
2. Test method
GB/T 2611 testing machine General technical requirements
GB/T 16491 electronic universal testing machine
GB/T 13634 Calibration of standard dynamometer for single-axis testing machine inspection
ISO 376 Metallic materials-calibration of force-proving instruments used for the verification of uniaxial testing machines
GB/T 16825.1 Inspection of static single-axis testing machines - Part 1 : Tests ａnd s
ISO 7500-1 metallic materials-verification of static uniaxial testing machines- parts 1: tension/compression testing machines-verification ａnd calibration of the force-measuring system
GB/T 228 metal materials tensile test method at room temperature
GB/T 232 metal material bending test method
GB/T 7314 metal materials room temperature compression test method
3. Technical parameters
| Maximum test force | 5KN |
| Test force measurement range | 1%-FS |
| Accuracy level | 1 |
| Test speed range | 0.001-500mm/min |
| Maximum stroke of beam | 1090mm |
| Effective stretch length (with metal tensile attachment) | 800mm |
| Power supply | 220V, 1KW |
| Dim. of main loading frame | 400x300x1470mm |
| Weight | about 60kg |
5. Test item of software
Ordinary test items: tensile stress, tensile strength, breaking strength, elongation at break, tensile stress, constant stress elongation, constant stress value, tear strength, arbitrary point force, elongation at any point Rate, extraction force, adhesion ａnd peak value calculation, pressure test, shear peel force test, bending test, pull-out force puncture test
Special test items:
Elastic Young＇s ModulusThe ratio of the normal stress component to the normal strain in the same phase. To determine the coefficient of material stiffness, the higher the value, the stronger the material.
Proportion limit: The load can maintain a proportional relationship with the elongation within a certain range, ａnd the maximum stress is the proportional limit.
Elastic limit: The maximum stress that the material can withstand without permanent deformation.
Elastic deformation: After the load is removed, the deformation of the material completely disappears.
Permanent deformation: After the load is removed, the material remains deformed.
Yield point: When the material is stretched, the deformation increases ａnd the stress does not change. This point is the yield point. The yield point is divided into upper ａnd lower yield points, ａnd the above yield point is generally used as the yield point. Yield: The load exceeds the proportional limit ａnd is no longer proportional to the elongation. The load will suddenly drop, ａnd then over ａnd over again, the ups ａnd downs will change greatly. This phenomenon is called yielding.
Yield strength: The quotient of the load obtained when the permanent elongation reaches a certain value ａnd is divided by the original area of the parallel part. Spring K value: the ratio of the force component to the deformation in phase with the deformation.
Effective elasticity ａnd hysteresis loss: When the sample is stretched to a certain elongation at a certain speed or stretched to a specified load on a universal material testing machine, the work recovered during shrinkage of the sample ａnd the work consumed during stretching are measured. The percentage of the ratio is the effective elasticity; the percentage of the ratio of the energy lost during elongation ａnd contraction of the sample to the work consumed during 16.00Normal07.8 磅02falsefalsefalseEN-USZH-CNX-NONE
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