JJG (Light Industry) 71-2000 "LAMPEN ball grinding machine (trial) verification regulations" stipulates the method of verification of LAMPEN ball grinding machine, which is suitable for the verification of the first use, operation and maintenance of the equipment. The equipment is used for pulp physical performance testing, and its working principle is to grind pulp fibers by the friction between the centrifugal force of the swirl/spinning copper ball and the surface of the pulp chamber. Measurement performance requirements such as structural errors and the number of revolutions of the ball grinding chamber are specified, and technical requirements such as equipment Appearance and transmission Stability are verified. During the verification process, tools such as stopwatch, rotational table, vernier calliper, etc. are used, and the mass, diameter and indoor diameter of the copper ball are measured. Qualified equipment will be issued a verification certificate, and unqualified equipment will be issued a notice and indicate the problem. The verification period is usually three years.
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