What precautions should be taken while performing the electromangnetic induction experiment?

Answer 1

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For Keep solenoid

(1) Select an open frame solenoid for continuous operating duty specifications.

(2) Keep solenoids generate holding force (non excitation holding force) even when de-energized due to the installed permanent magnets, thus, set a release load larger than its non excitation holding force.

(3) Voltages required to release a keep solenoid plunger is limited and ranges within +/-10% of a rated voltage. Plunger may not return if a release voltage exceeds the upper or lower limit of the range.

(4) Set a larger load than a specified minimum release load in your product . If a release load is smaller than the specified load, the plunger will not return in a range of the release voltages.

(5) High temperature degrades characteristics of permanent magnets installed in keep solenoids. In extreme lower temperature conditions, characteristics of permanent magnets will also degraded due to low temperature demagnetization.

5-2 For Flapper solenoid

(1) Apply load to the center axis of a movable armature. Solenoid characteristics will degrade if an unbalanced load is applied.

(2) When used for a clutch mechanism, set cam at an appropriate position and angle where the armature will not skip the latching function.

(3) Do not use in ozone, corrosion system gas or excessive high heat environment. Silencing damper will become sticky and the armature will not move.

5-3 For solenoid valve

(1) Do not use for safety measures, such as an emergency shut off valve, since TDS solenoid valve is designed with a simple structure.

(2) For use in environment where vibration or impact is directly applied, an appropriate specifications for absorption is required.

(3) Assumed operating fluid for TDS standard solenoid valves is clean air. Use clean air. Corrosion system gas, chemical agents or salt contained air may result in breakage or malfunction of the solenoid valves.

(4) For use in environment where ambient temperature goes below 0℃, take appropriate safeguards not to freeze fluid in the air.

(5) Prevent from excessive stress applying to inner and outer side of a solenoid valve.

(6) When a solenoid valve is energized or not energized for a long time, rubber valve may be firmly fixed or adhered due to an operating environment, and the solenoid valve may not function normally.

(7) Depending on pipe conditions, abnormal sound or malfunction can be experienced due to vibration.

(8) Contamination of foreign particles like dirt, dust, sand, oil, sealing tape or tube chaff for pipe. It will be a cause of malfunction.