Black Epoxy Coating Sintering NdFeB Magnet Segment Shaped Feature:
Professinal magnet supplier, High quality magnet, permanent magnets, magnetic material, motor magnet, custom magnet.
Quality Control and Sampling Plan:
Sampling plan for magnetic properties or dimensional attributes is performed according to the customer’s specific requests. Otherwise we use MIL Standard 105D Sampling plan for normal inspection.
Servo motor control system Imported from Japan Panasonic, provide accurate displacement and speed control.
It is studied the existing three kinds of bearing arrangement for the driving gear shaft of locomotive motor.
When rotating-field machines are employed as drive motors, the question of torque generation and control requires special consideration.
By applying equivalent circuits, this paper has analyzed three-phase asynchronous motor property and the harm to generator under asymmetrical voltage.
Research and Design of Asynchronous Motor Vector Control Variable Frequency Speed Regulating System
The motor based on the vibration in plane of the rectangular plate.
Magnetization and Magnetic Test Equipment:
Test Equipment:
* The magnetic properties of test samples are determined using a modern BH tracer potting a full loop demagnetization curve.
* High accuracy calibrated Gaussmeters, Fluxmeters, and some other necessary measuring tools are used for appropriated parts.
Physical and Magnetic Tolerance:
In the absence of clear instruction on magnetic and physical tolerances, we use Magnetic Material Producers Association (MMPA) Standard Specification for Permanent Magnet Material as a guideline.
This kind of NdFeB arc magnets have many applications in motors. The highest grades still have N52, N48M, N44H, N42SH, N38UH and N35EH etc. And a serious of strict tests will be made before shipment such as salt spray test, coating thickness test, temperature and wet test ,specification test and surface test etc. All goods are shipped to customer with Test report and Curve Chart Report in order to guarantee the right quality of magnets.
Required Information for Quotation:
1. Intend application and Material.
2. Shape, size dimensions and tolerance level.
3. Material Characteristic (i.e. Br, bHc, iHc, BHmaxK)
4. Environmental conditions and Inspection sampling plan.
5. Magnetized or unmagnetized.
6. Magnetic Polarity and magnetized direction.
7. Quantity per year and per shipment..
8. Special request method for packing.
Property Grade Remanence Br Coercive Force bHc Instrinsic Coercive Force iHc Max.Energy product BHmax. Working Tem
mt (KG) Koe (KA/m) Koe (KA/m) KJ/m3 (GOe) TW ºC
N-35 1170-1210 (11.7-12.1) ≥10.8 (≥860) ≥12 (≥955) 263-287 (33-36) 80
N-38 1210-1250 (12.1-12.5) ≥10.8 (≥860) ≥12 (≥955) 287-310 (36-39) 80
N-40 1250-1280 (12.5-12.8) ≥11.6 (≥923) ≥12 (≥955) 302-326 (38-41) 80
N-42 1280-1320 (12.8-13.2) ≥11.6 (≥923) ≥12 (≥955) 318-342 (40-43) 80
N-45 1320-1380 (13.2-13.8) ≥11.0 (≥876) ≥12 (≥955) 342-366 (43-46) 80
N-48 1380-1420 (13.8-14.2) ≥10.5 (≥835) ≥12 (≥955) 366-390 (46-49) 80
N-50 1380-1450 (13.8-14.5) ≥10.5 (≥835) ≥11 (≥955) 374-406 (47-51) 80
N-52 1430-1480 (14.3-14.8) ≥10.8 (≥860) ≥11 (≥876) 398-422 (50-53) 80
N30H 1080-1130 (10.8-11.3) ≥10.2 (≥812) ≥17 (≥1353) 223-247 (28-31) 120
N33H 1130-1170 (11.3-11.7) ≥10.6 (≥844) ≥17 (≥1353) 247-263 (31-33) 120
N35H 1170-1210 (11.7-12.1) ≥11.0 (≥876) ≥17 (≥1353) 263-287 (33-36) 120
N38H 1210-1250 (12.1-12.5) ≥11.2 (≥890) ≥17 (≥1353) 287-310 (36-39) 120
N40H 1250-1280 (12.5-12.8) ≥11.5 (≥915) ≥17 (≥1353) 302-326 (38-41) 120
N-42H 1280-1320 (12.8-13.2) ≥12.0 (≥955) ≥17 (≥1353) 318-342 (40-43) 120
N-45H 1320-1380 (13.2-13.5) ≥12.0 (≥955) ≥17 (≥1353) 335-366 (42-46) 120
N-46H 1330-1380 (13.3-13.8) ≥12.2 (≥972) ≥16 (≥1274) 350-374 (44-47) 120
N-48H 1360-1430 (13.6-14.3) ≥12.5 (≥995) ≥16 (≥1274) 366-390 (46-49) 120
N30SH 1080-1130 (10.8-11.3) ≥10.0 (≥796) ≥20 (≥1672) 223-247 (28-31) 150
N33SH 1130-1170 (11.3-11.7) ≥10.6 (≥844) ≥20 (≥1672) 247-263 (31-33) 150
N35SH 1170-1210 (11.7-12.1) ≥11.0 (≥876) ≥20 (≥1672) 263-287 (33-36) 150
N38SH 1210-1250 (12.1-12.5) ≥11.4 (≥907) ≥20 (≥1972) 287-310 (36-39) 150
N-40SH 1250-1280 (12.5-12.8) ≥11.8 (≥939) ≥20 (≥1972) 302-326 (38-41) 150
N-42SH 1280-1320 (12.8-13.2) ≥11.8 (≥939) ≥20 (≥1672) 320-343 (40-43) 150
N-45SH 1320-1380 (13.2-13.8) ≥12.6 (≥1003)≥20 (≥1592) 342-366 (43-46) 150
N30UH 1080-1130 (10.8-11.3) ≥10.2 (≥812) ≥25 (≥1990) 233-247 (28-31) 180
N33UH 1130-1170 (11.3-11.7) ≥10.7 (≥852) ≥25 (≥1990) 247-263 (31-33) 180
N35UH 1170-1210 (11.7-12.1) ≥10.7 (≥852) ≥25 (≥1990) 263-287 (33-36) 180
N38UH 1210-1250 (12.1-1.25) ≥11.4 (≥907) ≥25 (≥1990) 287-310 (36-39) 180
N40UH 1250-1280 (12.5-12.8) ≥11.4 (≥907) ≥25 (≥1990) 302-326 (38-41) 180
N28EH 1040-1080 (10.4-10.8) ≥9.5 (≥756) ≥30 (≥2388) 207-231 (26-29) 200
N30EH 1080-1130 (10.8-11.3) ≥9.5 (≥756) ≥30 (≥2388) 233-247 (28-31) 200
N33EH 1130-1170 (11.3-11.7) ≥10.2 (≥812) ≥30 (≥2388) 247-263 (31-33) 200
N35EH 1170-1210 (11.7-12.1) ≥10.2 (≥812) ≥30 (≥2388) 263-287 (33-36) 200
N38EH 1210-1250 (12.1-12.5) ≥11.4 (≥907) ≥30 (≥2388) 287-310 (36-39) 200
N30AH 1080-1130 (10.8-11.3) ≥10.2 (≥812) ≥35 (≥2785) 223-255 (28-32) 220
N33AH 1120-1170 (11.2-11.7) ≥10.2 (≥812) ≥35 (≥2785) 247-271 (31-34) 220
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