Smal Coin Flat Button Vibration DC Motor Magnet N40H

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Smal Coin Flat Button Vibration DC Motor Magnet N40H   Technical Specifications:
Item:     MP-NDN40H-78
Grade:   N40H
Material: Neodymium (NdFeB)
Plating:    Zinc / Nickel
Shape:    Round, Disc, Disk, Circular, Circle, Botton
Dimension: Customer Design Drawing
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1280-1320 mT (12.8-13.2 kGs)
Energy Density (BH)max: 318-342 KJ/m³ (40-43 MGOe)
Coercivity Force (Hcb): ≥ 915 kA/m ( ≥ 11.5 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 955 kA/m ( ≥ 12 kOe)
Maximum Operation Temperature: 80 °C
Delivery Time: 14-35 days

A vibration motor is a type of electric motor that is specifically designed to generate vibrations. It consists of a rotor, an eccentric weight, and a set of magnets. The magnets play a crucial role in the operation of the vibration motor as they are responsible for creating the magnetic field that interacts with the electric current to produce the desired vibrations.  N45 NdFeB Micro Button Magnet fits Vibrating Mini Motor

The magnets used in vibration motors are typically permanent magnets, which means they retain their magnetism even when not in the presence of an external magnetic field. Permanent magnets are commonly made from materials such as neodymium iron boron (NdFeB) or samarium cobalt (SmCo). These materials have high magnetic strength and can generate strong magnetic fields.

most actuators used for portable/mobile medical devices are only about 1.5 in. in diameter or smaller and weigh a pound or less. In many cases, VCAs can be made smaller than other motion control devices in order to reduce weight and fit into compact assemblies. However, smaller actuator sizes typically decrease heat dissipation, leading to possible overheating. That’s why, when considering the size-to-heat trade-off, it is important to understand the thermal characteristics of the actuator and the system into which it is being integrated. The bottom-line trade-off is simply that smaller means hotter while larger means cooler.  Mini Vibrator Assembly Magnets N42H In Linear Vibration Motor

Internal thermal temperatures are an important factor to consider, especially if a VCA is going to be used directly on patients. Location of the actuator coil is the key difference in how much heat is generated. A moving-magnet-type (versus moving-coil) VCA is ideal for heat dissipation by virtue of its stationary coil design.

Q0: Are you a magnet manufacturer or trading company?
A: We are a professional magnet manufacturer with over 28 years experience.  Micro Button Magnets N52 for DC 3V 5V 6V Round Vibration Motors

Q1. Can I get samples?
A: Yes, we provide free samples. We have various sizes and shapes in stock, so we can also provide sample for different type of magnets for testing purpose.

Q2. How long is your lead time?
A: Generally, 7-15 days for sample orders and 25-35 days for bulk orders.  Customizer Tiny Circular Permanent Magnets N38H

Q3. Do you have any MOQ for your products?
A: We offer low MOQ for our products, especially for sample order.  N35H Rare Earth Circle Magnets fits Mini Vibrator Motor

Q4. What are the shipping options you offer? How long would it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. We offer wide range of shipping options, based on your requirement. Delivery time is usually 5-7 days via air shipment, it can take up to 20 days for sea freight shipment.  Micro Round Magnets N38 for Flat Vibrator Motor

Q5. What is the order process for magnets?
A: We will first communicate on your requirements or application.
Then we will provide a quote and price term accordingly and we can talk about possible sample order for customer to check the product quality. If the samples pass your testing, then we will proceed with bulk order and arrange production.  Custom NdFeB Tiny Circle Permanent Magnets N40H

Q6. Is it OK to print my logo on magnet product or package?
A: Yes. Please provide detail information and drawing (if applicable) so we can make sure we understand your requirement. And we provide Amazon labeling and shipping to Amazon warehouses.

Q7: Do you have any quality control process before delivery?
A: We follow strict industry standard QC/QA process prior to shipment. We can provide testing report along with shipment.  Micro Circular Round Linear Vibrator Motor Magnets N35H