JJ-TEST RING STIFFNESS TESTER FOR PLASTIC PIPES
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■ JJRST Series Ring Stiffness Tester The tester is used to determine ring stiffness, ring softness and compression of thermoplastic pies having circular cross-section. It conforms to the requirements of all kinds of plastic pipes, such as structured-wall pipes, PE corrugated pipes, helically wound pipes, etc. 1.Double-column high rigidity structure, wide range of speed control 2.Advanced closed-loop AC servo control system enables to increase the controlling accuracy and stability. High resolution AD sampling circuit is introduced to collect testing datum , even the peak value 3.Two/Four sensors are connected in a bridge way to strengthen the deflection resist of big pipes, also reduce mangling rate of load sensor. 4. Unique design of inner diameter measuring system makes specimen easy to install and measurement correct Sdirect. 5.Connect the tester to PC via RS232 to control test and download the test data, PC software may realize the functions of test data storage, statistics, analysis and test results printout. Creep test also can 6 Multi protection functions from mechanical & electrical design and software, including over-load,

JJPCM Pipe Cutting and Chamfering Machine It is designed to cut and chamfer big pipes. It is an ideal machine for pipe manufacturers, as well as quality inspection and research institutions. 1. With the advantages of multiple protection, wide pipe application range, modular design and robust frame. 2. Easy assembly and good seals thank to the smooth and even saw cutting surface. 3. Cutting and chamfering are completed synchronously, largely increasing work efficiency. 4. The rotating motor, acts only after sample well-clamped & stops automatically while compaction released, which gurantees...