TMTeck Instrument Co., Ltd
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- Ndt Magnetic Calibration Test Block E For Magnetic Particle Inspection
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Product Specification
Instructions for standard test blocks for magnetic particle inspection
1. Overview: This test block is an updated product carefully designed and manufactured according to the technical parameters of BS4069 and JB/T6066 "Standard test block for Magnetic particle Inspection" and JB/T6063 "Magnetic particle Technology for magnetic particle Inspection". It is used to test the comprehensive sensitivity of fluorescent or non-fluorescent magnetic powder used in flaw detection to ensure the implementation of the magnetization specification of parts. It is a necessary tool for testing the magnetic powder or magnetic suspension of magnetic powder testing instrument. This test block conforms to the appendix of document 95-114 of Ministry of Railway vehicles. Used for magnetic particle inspection of other parts of vehicle.
1, Type B test block is suitable for dc electromagnetic powder flaw detection, dry magnetic powder, fluorescent or non-fluorescent magnetic suspension sensitivity display. 2. Type E test block is suitable for the sensitivity display of dry magnetic powder, fluorescent or non-fluorescent magnetic suspension when used for AC flaw detection.
Three, use operation: 1, dc test, B type test block into a diameter of 29±1mm, length of 400±2mm copper rod, the test ring is placed in the middle of the copper rod, so that the fifth hole on the test ring is placed at 12 o 'clock position, clamping on the flaw detection machine, through 2500A (effective value) main wave rectifier, circumferential magnetization of the test ring, And apply fluorescent or non-fluorescent magnetic suspension (proportionally according to technological requirements) to check the magnetic marks on the outer surface of the test ring. A, fluorescent magnetic powder display, ultraviolet radiation illuminance should not be less than 800-1000uW /cm2. For non-fluorescent magnetic powder display, the white light intensity at the inspection site should not be less than 1000XL. B. Acceptance criteria: No matter fluorescent or non-fluorescent magnetic suspension, at least 5 holes of magnetic trace display can be seen. 2. During the ac flaw detection, the e-type test ring is pierced into a copper rod with a diameter of 20±1mm and a length of 150±2mm, clamping it on the flaw detection device, and 750A (effective value) current is applied, and the fluorescent or non-fluorescent magnetic disparity liquid is applied evenly (the ratio is according to the process requirements) to check the magnetic marks on the outer surface of the test ring. A. Illuminance of fluorescent magnetic powder or non-fluorescent magnetic powder B. Magnetic traces of at least 2 holes can be seen in both fluorescent and non-fluorescent magnetic suspension
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
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Business Type:
Manufacturer,Distributor/Wholesaler,Seller
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Total Annual:
5000000-8000000
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Employee Number:
100~200
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Ecer Certification：
Verified Supplier
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