What is your terms of packaging?

We offer brand packing box and neutral packing. We can also offer packing box for brake pads according to your designs.

What is your terms of payment?

Generally, by T/T 30% as deposit, and 70% before shipment.

What is your terms of delivery time?

Generally, it will take 30 to 60 days after receiving your advance payment, it depends on the items and the quantity of your order.

Can you manufacture according to the samples?

Sure, we can develop by the samples or detailed drawings by free.

What is your sample policy?

We can supply the samples free, but the customers have to pay the courier freight cost, the cost will be deducted in your first order.

What’s your the minimal order quantity?

The brake pads MOQ is 100 sets for each item.

[Auto repair knowledge]Introduction of automotive electronic rotary booster

When the driver turns the steering wheel, the angular displacement of the torsion bar causes the relative rotation between the permanent magnet and the toothed assembly and rotates with the steering wheel. When the electronic controller senses the vehicle speed signal and sends out a current command suitable for the vehicle speed, the excitation coil of the electromagnetic booster receives this current and generates a corresponding magnetic flux. When the magnetic force line passes through the tooth type group b, the tooth tip appears Magnetic poles (e, f), these magnetic poles interact with the magnetic poles of the permanent gear ring to increase the magnetic force between the permanent magnet a and the toothed component b (increase the rigidity of the torsion bar) or decrease (decrease the rigidity of the torsion bar) , Thereby changing the steering force (increase or decrease) of operating the steering wheel. If the excitation coil is a right-handed winding, when the forward current is passed, the magnetic field lines should circulate from bottom to top from the center to the outside, magnetizing the tooth tip of the gear into N pole, and the tooth tip of the gear ring Part of the magnetization is the S pole. These two magnetic poles respectively interact with the magnetic poles of the permanent magnet ring (same repulsion, opposite sex attraction). As a result, the permanent magnet ring is in a stable intermediate equilibrium state. At the equilibrium position (that is, relative displacement with the toothed assembly b), it needs to overcome the action of electromagnetic force to achieve, so the steering resistance is increased, and the high-speed operation of the vehicle is more stable.

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