• Computerized Ring Stiffness Tester
  • Computerized Ring Stiffness Tester
  • Computerized Ring Stiffness Tester
  • Computerized Ring Stiffness Tester
  • Computerized Ring Stiffness Tester
  • Computerized Ring Stiffness Tester
  • Computerized Ring Stiffness Tester
  • Computerized Ring Stiffness Tester

Computerized Ring Stiffness Tester

Model No.︰


Brand Name︰


Country of Origin︰


Unit Price︰


Minimum Order︰

1 pc

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Product Description

The ring stiffness tester is widely used to measure the ring stiffness of thermoplastics pipes and GRP pipes with circular cross section, which meets the requirements of PE double-arm corrugated pipes, winding pipes and various pipe standards, and can complete the tests of pipe ring stiffness, ring flexibility, flattening, weld tension, etc. It has key speed regulation, digital display of test force displacement, and automatic protection functions of peak holding, automatic shutdown of damage, overcurrent and overload.


Purpose of equipment:

The ring stiffness tester is mainly applicable to the testing of metal and non-metallic materials, such as rubber, plastic, wire and cable, optical fiber and cable, safety belt, safety belt, leather belt composite material, plastic profile, waterproof coil, steel pipe, copper, profile, spring steel, bearing steel, stainless steel (and other high hardness steel), casting, steel plate, steel strip, non-ferrous metal wire rod tension, compression, bending, shearing, peeling, tearing Two point extension (additional extensometer is required) and other tests

Applied industries:

Widely used in measurement and quality inspection; Rubber and plastic; Metallurgical steel; Machinery manufacturing; Electronic appliances; Automobile production; Textile chemical fiber; Wire and cable; Packaging materials and food; Instruments and Apparatuses; medical apparatus and instruments; Civil nuclear energy; Civil aviation; Colleges and universities; Research Institute; Commodity inspection, arbitration and technical supervision departments; Building materials ceramics; Petrochemical industry; Other industries.

Maximum load


100N, 200N, 500N, 1KN, 2KN, 5KN, 10KN, 20KN, 50KN, optional within


Accuracy class


Level 1/0.5


Effective force measuring range


0.2%~100% (level 1)/0.4%~100% (level 0.5)


Force measuring accuracy


Within ± 1% of the indicated value/within ± 0.5% of the indicated value


Resolution of testing machine


The maximum load is 1/200000, the internal and external gears are not divided, and the resolution of the whole process is unchanged


Load cell


Basic configuration: one tension and pressure sensor (maximum load)


Extended configuration: multiple sensors can be added


Effective test width


800mm (can be widened according to customer requirements)


Effective test pipe diameter


1000, 1500, 2000, 3000mm (can be increased according to customer requirements)


Test speed range


Servo motor speed: 0.001~500mm/min


Speed of domestic motor: 50-200mm/min


Displacement measurement accuracy


Within ± 0.5% of the indicated value/within ± 0.2% of the indicated value


Deformation measuring system


(Optional according to demand)


Extended configuration: large deformation: minimum gauge length 10mm, deformation range: 800mm


Extended configuration: small deformation: gauge length 25mm, 50mm, 100mm deformation range: 5mm, 10mm, 25mm


Deformation measurement accuracy


Within ± 0.5% of the indicated value (large deformation or small deformation can be selected according to customer requirements)


Overload protection


If the maximum load exceeds 10%, the machine will automatically protect


Fixture configuration


One set of stretching fixture and one set of compression fixture.


Host size


one thousand × six hundred and sixty × 3500mm (length * width * height) [change according to the requirements of guests]


dynamic system


Taiwan Delta AC servo motor+drive+high-precision ball screw


Domestic AC motor+Hailip inverter


Power Supply






0.75KW (different power motors are equipped as standard according to different force values)


Weight of main engine


(About) 500 Kg

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