Neodymium Magnets With Counterbore Holes

Basic Info

Model No.: N42

Shape: Block

Coating: Nickel

Grade: N40

Definition: Ndfeb Magnet

NdfeB Magnetism: BH Max 42 MGOE

Additional Info

Packaging: standard for sea or air delivery

Productivity: 100,000pcs/Month

Brand: SHINE

Transportation: Ocean,Land,Air

Place of Origin: Ningbo

Certificate: ISO9001,Rohs,CE

Product Description

Countersunk magnet are used for a wide range of applications where a strong attractive force is required.Using a countersunk magnet is quite simple. Just make a hole on a board or frame, insert and glue the magnet.done.

Main Manufacturing Process

Melting: In the melting furnance,the neodymium,iron,boron materals form as compund ingots.

Hydrogen demolish: Shatter the ndfeb ingots into ndfeb powders.

Airflow mill:The ndfeb powders will be milled into micron sizes.

Shaping: Ndfeb powders in the mold will be pressed as ndfeb ingot.

Isostatic Pressing: Bearing the isostatic pressure is a important process to enhance the magnetism and of ndfeb material.

Sintering:The sintering procedure, were processed in a sintering furnace under 800~1300 ℃ vacuum environments.

Cutting: After the slice cutting process,the sizes of magnets will become suitable rectangles.

Grind and polish:Neodymium magnets had been ground before they were magnetized.We could produce magnets with standard tolerances for magnets from the range +/-0.07, +/-0.05, +/-0.03, +/-0.02,and 0.01

Supersonic processing: Neodymium magnets are brittle materials and inclined to crack with impact. The supersonic technique had been applied in making counterbored holes on small size magnet.

Plating: Neodymium magnets had been treated with electrical plating,otherwise it will rust in the air. Platings that have been successfully applied to neodymium magnets are epoxy plating,nickel plating,NICUNI plating,zinc palting. 

Coatings available & Tests

Coatings Available: Zinc, NiCuNi, Epoxy, Gold, Silver, Tin etc.

Tests: Plating Thickness Test,Salt Spray Test,PCT Test

Quality Guarantee

Shine Magnetics has focused on quality control since its founding. Necessary and strict checks and tests are taken in all production processes to make sure any products made by us are trouble free. To work with Shine Magnetics is to get the most reliable supplier of magnetic products. It goes without saying that our magnetic products comply with the highest quality standards. We are working continually to improve the quality and process of the products.

Following Tests Could be made as per customers` requirements:

HAST Test: Test Condition: 132.9℃, 95% humidity, 2.9 ATM, 7 days
Weight Loss: 3mg/C㎡ 

Advantages

1 All NdFeB magnets used are made by our own magnet factory. 

2 Standard producing process and strict quality checking

3 Competitive price, stable quality, in time response

4 Trained working staff 

Delivery & Packing:  

Popular Model: 5-10 days after receipt of payment
Customer Tailored Size: 15-20days
Packing: Plywood Box.