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Classification of Tensile Testing Machines

Abstract: 本文讲述了拉力试验机的分类,按自动化程度、控制系统和行业功能特点进行区分。按自动化程度,分为指针式拉力试验机(适用于小型产品的简单受力测试)、数显式拉力试验机(用于工厂质量控制)、和电脑系统拉力测试仪(广泛应用于科研和检测机构)。按控制系统,分为变频系统拉力试验机、伺服系统拉力试验机(提供更精准控制)、以及逐渐被淘汰的直流电机控制系统。按行业和功能特点,分类包括金属拉力试验机、橡胶拉力试验机、塑料拉伸试验机、织物拉力测试仪、纸张拉伸测试仪和皮革拉力测试仪,各有专用的夹具和测试功能。

According to the degree of automation, it can be divided into...

Pointer Tensile Testing Machine: This traditional Tensile Testing Machine has been largely eliminated by the digital Tensile Testing Machine due to its low test accuracy and low cost performance. But in the small force range, it is our common tensile strength meter, which is often used by factories for simple force testing of small products, and is very popular because of its low price.

Digital display Tensile Testing Machine is also called microcomputer Tensile Testing Machine: the test data is directly displayed on the LCD screen, and the test items are relatively simple, which is often used in factory quality control.

Computer system tensile Tester: a tensile Tester with a wide range of uses, the test data is collected by a computer, and then processed by a software program to generate the data required by the user and print it out in the form of a report. It is often used in scientific research units, testing institutions, new product development, etc.

According to the control system can be divided into...

Tensile testing machine with frequency conversion system: It adopts frequency conversion motor control system, and the speed of tension and compression is controlled by frequency conversion speed regulator.

Servo system Tensile Testing Machine: Servo motor control system is adopted, and the tension and compression speed and displacement control are more accurate. The servo control system adopts intelligent feedback operation, and can perform constant speed test, cycle test, programming test, etc.

Tensile testing machines with other drive methods: Controlled by DC motors, Tensile Testing Machines with drive methods have been gradually eliminated due to their low cost performance.

According to industry and functional characteristics, it can be divided into...

Metal Tensile Testing Machine: Metal materials with high tensile strength and low elongation need to be equipped with metal point extensometers.

Rubber Tensile Testing Machine: The elongation of rubber or elastic body is relatively large, and it needs to be equipped with a large punctuation elongation device. At the same time, the design of the fixture should consider the characteristics of rubber and not slip. It can be equipped with O-ring clamps, clamps for tire industry, etc.

Plastic Tensile Testing Machine: The tensile strength of plastic is greater than that of rubber, and the elongation varies, and three-point bending tests are often required.

Fabric tensile Tester: The textile industry needs to test fabric peeling, puncture, tearing, single yarn tensile and other tests, and the fixture and software are dedicated.

Paper Tensile Tester: Paper needs to be tested for tensile strength, ring strength, vertical compression, flat compression, edge compression, peel strength, etc., with many jigs.

Leather tensile Tester: leather needs to test tensile strength, tear strength, etc., and the test items are relatively simple.

Classification diagram of Tensile Testing Machine 1

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