Detailed introduction

Assessing vibration: a technical guideline

occupational vibration, blasting vibration effects or vibration-induced damage to buildings or structures. Section 1 provides information on how the guideline was developed, what extra features have been included since the previous guideline (Environmental noise Get price

Hand

Sep 14, 2015Prolonged exposure to hand-arm vibration may cause a potentially disabling chronic disorder of the upper limbs, which is called the hand-arm vibration syndrome (HAVS). As well as vascular and neurological injury, HAVS may also involve damage to bones, joints, muscles and tendons in the upper limbs. Get price

High

Vibration screening devices (such as vibration pens or bearing checkers) provide quick feedback of the equipment condition by looking at the overall levels of vibration or bearing condition to understand whether there is a problem, instead of analyzing vibration in-depth with a spectrum. Get price

Whole

Whole-body vibration can offer some fitness and health benefits, but it's not clear if it's as good for you as regular exercise. With whole-body vibration, you stand, sit or lie on a machine with a vibrating platform. As the machine vibrates, it transmits energy to your body, forcing your muscles to contract and relax dozens of times each second. Get price

Condition Monitoring for Aggregate Screens

This vibration, which promotes the movement of material on the screen media surface to create particulate and size fraction separation, is typically generated by either a single exciter gearbox unit or series of exciter gearbox units connected in line by means of a cardan shaft connected to the main drive. Get price

Vibratory urticaria

Vibratory urticaria is a condition in which exposing the skin to vibration, repetitive stretching, or friction results in allergy symptoms such as hives (urticaria), swelling (angioedema), redness (erythema), and itching (pruritus) in the affected area. The reaction can be brought on by towel drying, hand clapping, running, a bumpy ride in a vehicle, or other repetitive stimulation. Get price

What is Vibrating Screen?

Oct 31, 2017Vibrating screens are used to segregate feeds comprising solid and crushed ores down to approximately 210μm and are also applicable to both dried and wetted feed. The vibrating motor and rubber sieve plate are the internal components of the vibrating screen. Get price

Environmental Testing

Our vibration shakers produce a range of profiles including; sinusoidal, random, sine on random, gunfire and bump among others, which are controlled and monitored by state of the art equipment and software. What kind of environmental testing can TV SD perform? We provide a comprehensive range of environmental testing services, including: Get price

The Monolithic Vibrating Screen

Apr 20, 2009Vibrating Screen — Vibrating Screen mounted on top of the EHP 1500. Also compatible with the EHP 2000. Rubber isolators between the screen and the hopper provide optimum vibration from the screen because the vibrator is designed to vibrate the screen and not the pump. Get price

Testing Standards

The test method is used to determine that the IBCs maintain integrity and to prevent leakage or spillage of contents during shipping. This test method should be used as a screening tool or as a design qualification test. Other vibration methods are available to more closely simulate vibration experienced in transportation. Get price

A Brief Tutorial on Machine Vibration

A Brief Tutorial on Machine Vibration by Victor Wowk, P.E. Machine Dynamics, Inc. The purpose of this tutorial is to provide sufficient knowledge to understand machine vibration diagnosis. You may be tasked with solving a vibration problem, or you may be overseeing someone else and Get price

The Precise Neurological Exam

This item has multiple uses during the exam. It is used to test vibration sense throughout the body, to evaluate conductive versus neurological hearing loss, and may be placed under either warm or cold water (remember to dry it off before use) and then utilized for temperature sensation evaluation. Get price

Motor Vibration Analysis: Keeping it Simple

More stringent specifications regarding motor vibration call for maximum velocity levels of 0.1 in./sec on the housing and 1.5 mils of displacement vibration on the shaft. The limits apply to a motor mounted on a seismic mass, and uncoupled or coupled to a piece of equipment in a way that eliminates any vibration in the driven equipment. Get price

Why is Vibration Amplitude in G?

Vibration motors are not used on their own – they're attached to a product/device/piece of equipment that is intended to vibrate. Therefore we are interested in the whole system (motor + target mass). We measure the vibration amplitude by mounting the motor on a known target mass and reading the results from an accelerometer, see more here Get price

What is Vibration Damping?

Vibration damping is technology which is used to reduce the amount of vibration in a system. This technology can be used in a wide variety of settings for vibration control. For specialty applications, engineers can design a custom vibration damping system, while in other instances, people may use Get price

Vibration

Jul 10, 2014Vibration 1. VibrationVibration 2. What is vibration?What is vibration? When we are sitting in our homeWhen we are sitting in our home or any place where we are fully oror any place where we are fully or partially touching the ground andpartially touching the ground and suddenly earthquake comessuddenly earthquake comes which shakes everything, Itswhich shakes everything, Its Vibration Get price

Guidelines for Acoustic Induced Vibration (AIV), Flow

Introduction. The scope of this topic is to define the design criteria and guidelines to be used for Design Supporting for lines prone to Acoustic Induced Vibration (AIV) Flow Induced Vibration (FIV), especially with regard to small bore connections, in line with EI (Energy Institute) Guide lines.This topic does not address lines subjected to other types of vibrations, such as vibrations Get price

Screening for Diabetic Peripheral Neuropathy

SCREENING INSTRUMENTS Most screening instruments for DPN are noninvasive, inexpensive, sensitive-specific and highly predictive of clinical endpoints. To evaluate a patient for neuropathy, clinicians needs to ask patients about signs and symp-toms, perform a thorough physical exam, including deep tendon reflexes, motor strength and vibration Get price

Joint position sense and vibration sense: anatomical

Clinical examination of joint position sense and vibration sense can provide important information concerning specific cutaneous sensory receptors, peripheral nerves, dorsal roots, and central nervous system pathways and should be included as a regular component of the neurological examination. Although these sensory modalities share a spinal cord and brainstem pathway, they arise in different Get price

Screening Method for Flow

This paper seeks to address the areas such as potential vibration sources, and methods to prevent the occurrence of acoustic resonances and pump-induced vibration of piping systems attached to the steam generator, for conducting the APR1400 comprehensive vibration assessment program. The screening method in this paper will be used to estimate Get price

Homemade Soil Screener/sifter : 11 Steps (with Pictures

This soil screener features springs and hinges made from old car tires so there is no need for regular steel springs and metal hinges (and the major hassle mounting them).The screen actually floats on rubber. The screener is sized and designed to be loaded with a compact tractor, and the vibration is powered by a 6-1/2 HP gasoline engine - but the design is just as applicable to a smaller Get price

What Is the Wireless Vibration Sensor?

Every Wireless Vibration Sensor purchase includes the following services: One-year warranty for basic repair coverage; 30-day technical support trial* NI offers additional hardware services as part of expanded service programs that can improve uptime and lower maintenance costs. Get price

Occupational Monitoring

Occupational monitoring is fundamental as the workplace air, noise and vibrations could become hazards for the people's health. As employer, it is necessary to ensure that you comply with regulations. These regulations impose limits to protect workers (termed occupational exposure limits). Get price

Simple Screening Tests for Peripheral Neuropathy in the

The screening tests showed comparable sensitivity and specificity results. The 10-g SWME, superficial pain test, and vibration testing by the on-off method are rapid, each requiring ∼60 s to administer. The timed vibration test takes longer, and the interpretation is more complicated. Get price

Vibration Standards

Some understanding of ground vibration standards and velocity limits, how they were developed, what they say, how they are properly used and what their shortcomings and limitations might be, especially in construction contexts, is vital to evaluating the reliability of statements based on standards. Get price

Online customer service

Welcome ! If you have any questions or suggestions about our products and services,please feel free to tell us anytime!