金属拉伸、压缩、弯曲及扭转试验机
| 加工定制否 | 品牌北广 |
| 型号BWN | 类型电子万能试验机 |
| 测量范围0-300kN | 精度优于±0.5% |
| 调速范围0.05-500mm/min | 最大负荷300kN |
| 拉伸空间700mm |
金属拉伸、压缩、弯曲及扭转试验机
金属拉伸、压缩、弯曲及扭转试验
gb/t228-2002金属材料 室温拉伸试验方法
gb/t4338-1995金属材料 高温拉伸试验
gb/t5027-1999金属薄板和薄带塑性应变比(r值)试验方法
gb/t5028-1999金属薄板和薄带拉伸应变硬化指数(n值)试验方法
gb/t7314-1987金属压缩试验方法
gb/t7314-2005金属压缩试验方法
gb/t8358-1987钢丝绳破断拉伸试验方法
gb/t8653-1988金属杨氏模量、弦线模量、切线模量和泊松比试验方法（静态法）
gb/t10128-1988金属室温扭转试验方法
gb/t13229-1991金属低温拉伸试验方法
gb/t14452-1993金属弯曲力学性能试验方法
gb/t17600.1-1998钢的拉伸率换算 第1部分:碳率钢和低合金钢
gb/t17600.2-1998钢的伸长率换算 第2部分:奥氏体钢
tensile, compression, bending and torsion tests of metal
test method for tensile test of gb/t228-2002 metal materials at room temperature
high temperature tensile test of gb/t4338-1995 metal materials
gb/t5027-1999 metal sheet and thin strip plastic strain ratio (r) test method
test method for strain hardening exponent (n value) of tensile strain of gb/t5028-1999 metal sheet and thin strip
gb/t7314-1987 metal compression test method
gb/t7314-2005 metal compression test method
test method for breaking and stretching of gb/t8358-1987 wire rope
gb/t8653-1988 metal young&＃39;s modulus, chord modulus, tangent modulus and poisson&＃39;s ratio test method (static method)
test method for torsion of gb/t10128-1988 metal at room temperature
test method for low temperature tensile test of gb/t13229-1991 metal
test method for bending mechanical properties of gb/t14452-1993 metal
conversion of the tensile rate of gb/t17600.1-1998 steel in first parts: carbon rate steel and low alloy steel
conversion of the elongation of gb/t17600.2-1998 steel in second parts: austenitic steel
金属拉伸、压缩、弯曲及扭转试验机 技术参数：
α、试验力：0—300kn
β、试验力分档：全程不分档，全程分辨率不变
γ、试验力显示范围:0～300kn
δ、试验力有效测量范围：满量程的2%～100%
ε、试验力测量精度：优于示值的±1%
ζ、位移分辨率：0.01mm
θ、位移速度控制精度：优于±0.5%
ι、位移测量准确度：优于±0.5%
κ、拉伸行程：0～1000mm（不含附具）
λ、供电电源：220v，50hz
η、位移速度控制范围：0.05mm/min～500mm/min，无级调速，速度任意设定
technical parameters:
alpha and maximum test force: 0 - 300kn
beta, test force division: the whole process is not divided, the whole process resolution is constant
gamma, test force display range: 0 ~ 300kn
effective measurement range of delta and test force: 2% ~ 100% of full range
measurement accuracy of epsilon and test force: over 1%
zeta, displacement resolution: 0.01mm
the control precision of theta and displacement speed is better than that of 0.5%
l, displacement measurement accuracy is better than 0.5%.
kappa, stretching stroke: 0 ~ 1000mm (without attachment)
lambda, power supply: 220v, 50hz
eta, the displacement speed control range: 0.05mm/min ~ 500mm/min, stepless speed regulation, speed arbitrarily set
金属拉伸、压缩、弯曲及扭转试验机 普通测试项目：（普通显示值及计算值）
●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
ordinary test items: (ordinary display value and calculated value)
the tensile stress - tensile strength - - tensile strength elongation
the tensile stress - stress elongation - set the stress - tear strength
the value of any point at any point of force - elongation - - adhesion and pull-out force peak value calculation
- pressure test - shear force test stripping - bending test - pullout force test puncture
金属拉伸、压缩、弯曲及扭转试验机 特殊测试项目：
1.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。
2.比例限：荷重在一定范围内与伸长可以维持成正比之关系，其应力即为比极限。
3.弹性限：为材料所能承受而不呈永久变形之应力。
4.弹性变形：除去荷重后，材料的变形完全消失。
5.永久变形：除去荷重后，材料仍残留变形。
6.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。
7.屈服强度：拉伸时，永久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。
8.弹簧k值：与变形同相位的作用力分量与形变之比。
9.有效弹性和滞后损失：在复合材料拉力试验机上，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。
special test project:
1. elastic modulus of elasticity is defined as the elastic young&＃39;s modulus: the ratio of normal stress component to normal strain at the same phase. in order to determine the coefficient of material rigidity, the higher the value, the stronger the material.
the 2. ratio limit: the relationship between the load and the stretch in a certain range can be maintained in direct proportion, and the maximum stress is the ratio limit.
3. elastic limit: the maximum stress that the material can bear without permanent deformation.
4. elastic deformation: after removing the load, the deformation of the material completely disappeared.
5. permanent deformation: after removing the load, the material remains deformed.
6. yield point: when the material is stretched, the deformation increases rapidly and the stress is constant, and this point is the yield point. the yield point is divided into the upper and lower yield point, and the general yield point is the yield point. yield (yield): the ratio of the load to the ratio is no longer proportional to the elongation, and the load will drop suddenly, and then rise and fall during a period of time, and the elongation will change greatly. this phenomenon is called yield.
7. yield strength: when stretching, the permanent elongation reaches the load of a specified value, divided by the original broken area of the parallel part and the business obtained.
the k value of the 8. spring: the ratio of the force component to the deformation at the same phase with the deformation.
9. effective elastic and hysteresis loss in composite material tensile testing machine, the tensile or tensile elongation to the specified load at a certain speed, the percentage of consumption of the power recovery determination of shrinkage and stretch the power ratio, which is the effective elastic; determination of elongation and percentage loss when the energy consumed shrinkage and elongation of the power ratio, namely the hysteresis loss.
主机配置
1． 主机一台（单臂式结构+双柱式结构）可选
2． 高精度光电编码器一只
3． 全数字调速系统和全数字调速电机各一套
4． 高精密滚珠丝杠副一套
5． 精密圆弧同步减速系统一套
6． 传感器一支
7． 夹具一套（拉伸辅具）
8． 计算机一台
9． 喷墨打印机一台
10．ad800万能试验卡一套
11．试验机专用软件一套（计算机内置）
host configuration
1. host one (single arm structure + double column structure) optional
2. high precision photoelectric encoder
3. all digital speed control system and all digital speed regulating motor
4. high precision ball screw pair
a set of 5. precision circular arc synchronous deceleration system
6. sensor one branch
7. a set of clamps (stretching devices)
8. computer one
9. inkjet printer
one set of 10.ad800 universal test cards
a set of special software for 11. test machines (built-in computer)
机械部分结构及工作原理：
本机采用电动加载方式，底部是整机结构承载支架，内部包含有电机驱动器、加载电机、减速机构、动力传动机构等部件；上部是试样夹持及力值、位移测量机构，包含有试样拉伸夹具、测力传感器、位移传感器等主要部件。
mechanical part structure and working principle:
this machine adopts the electric load, is at the bottom of the bearing bracket of the whole structure, a motor driver, loading motor, reducer, and other components including internal power transmission mechanism; the upper part is the sample clamping force, and displacement measuring mechanism, including tensile fixture, force sensor, displacement sensor etc..
组成
万能材料试验机是由测量系统、驱动系统、控制系统及电脑（电脑系统型拉力试验机）等结构组成。
form
the universal material testing machine is composed of measuring system, driving system, control system and computer (computer system type tension test machine).
仪器特点
1、采用高精度、全数字调速系统及精密减速系统，驱动精密丝杠副进行试验，实现试验速度的大范围调节，试验过程噪音低、运行平稳。
2、可选用万向节十字插销结构，一方面便于试样夹持，保证试验同心度，另一方面很好的消除了不规则试样对传感器的影响。
3、windows操作系统，人性化操作界面，可显示试验方法选择界面、试验参数选择界面、试验操作及结果显示界面和曲线显示界面，并可实时显示各参数曲线，便于试验数据分析，过程监控。测试结果可以word、excel格式的数据形式输出，可直接实现试验过程的控制及数据的存储、打印。
4、可实现试样装夹时横梁快慢升降调整，具有过流、过压、过载等保护装置。
characteristic of instrument
1, adopt high precision, all digital speed control system and precision deceleration system, drive precision screw pair to carry out the test, realize the wide range adjustment of the test speed, the test process is low noise and smooth operation.
2, the universal joint cross pin structure can be selected. on the one hand, it is easy for sample clamping to ensure the concentricity of the test, and on the other hand, it eliminates the influence of irregular samples on sensors.
3, windows operation system, humanized operation interface, it can display test method, select interface, test parameter selection interface, test operation and result display interface and curve display interface, and real-time display each parameter curve, which is convenient for test data analysis and process monitoring. the test results can be output in the form of word and excel format, and the control of the test process and the storage and printing of the data can be realized directly.
4. the cross beam can be adjusted quickly and slowly when the sample is clamped, and it has over current, overvoltage and overload protection devices.
全
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