AS 8546 Electric Linear Solenoid Tube Style Push Pull Actuator

Product Video

Product Specification

Brand	AstSolenoid	Model Number	AS 8546
Rated Voltage (V)	DC100V	Rated Power(W)	10-20W
Work Mode	Push and Pull	Holding Force (N)	2–5N
Stroke(mm)	5–10 MM Customized	Reset Time(s)	1 S On，3 S OFF
Service Life	200 Thousand Times	Certification	CE,ROHS,ISO9001,
Material	Superior Magnet Iron	Lead Wire Length(mm)	200 MM
Install Style	Screw	Tolerance of Dimension	+/-  0.1 MM
Water-proof	None	Insulation Class	B
Hi-Pot Test	AC 600V 50/60Hz 2s	Non-excitation Holding Force	0
Working Temperature	-10°C-100°C	Duty Cycle	1-100%
Thread Depth(mm)	/	Payment Term	TT, or LC At Sight
Sample Order	Yes	Warranty	1 Year
MOQ	1000 pcs	Supply Ability	5000 pcs per Week
Delivery Time	30 Days	Port of Loading	shenzhen

Product Description

Tubular Push Pull Electromagnet: How Does a Push-Pull Solenoid Work?

A push-pull solenoid is a practical electromechanical device. It turns electric power into straight, back-and-forth mechanical movement. This includes both pushing and pulling motions. It relies on basic electromagnetic force to deliver stable, controlled linear motion for various industrial and commercial applications.

Basic Structure of a Push-Pull Solenoid

Every core component works together to ensure precise bidirectional movement. The main parts are simple and durable.

Coil: It is made of copper wire wrapped tightly around a plastic or metal bobbin. It creates a stable magnetic field immediately when electric current passes through it.

Plunger (Armature): This is a movable soft iron core. It sits inside the coil. It moves freely to deliver push or pull force under magnetic action.

Fixed Pole Piece: It is a stationary ferromagnetic part. It gathers and concentrates magnetic flux. This design boosts the overall working efficiency of the solenoid.

Return Spring (Optional): It is a flexible reset part. It pushes the plunger back to its original position once the power cuts off.

Push Rod: It runs through the fixed pole piece. It transfers internal thrust to external loads to complete pushing tasks.

Key Working Characteristics

Push-pull solenoids stand out for their reliable and efficient performance. They have three core advantages for practical use.

First, they support bidirectional force. One single device can produce both push and pull movement. It saves installation space and reduces equipment costs.

Second, they feature short stroke and high thrust. They generate strong driving force within a limited moving range. They fit scenarios that require powerful but compact motion output.

Third, they offer fast response. They act within milliseconds. This allows continuous, high-speed cyclic operation for automated systems.

Working Principle of Push-Pull Solenoids

The whole working process depends on electromagnetic attraction. Some models adjust motion direction by switching the current polarity. The complete working cycle includes three clear stages.

1. Pulling Action (Retraction)

When the coil connects to power, a closed magnetic flux loop forms. The loop runs through the housing, fixed pole piece and movable plunger. The magnetic force pulls the plunger toward the stationary pole piece. This is the standard pulling motion of a basic solenoid. Meanwhile, it drags the external load connected to the plunger inward.

2. Pushing Action (Extension)

The push rod is firmly fixed on the plunger. It stretches out through the fixed pole piece. When the coil is energized and the plunger retracts inward, the rod extends outward. This movement creates a steady pushing force for external work.

Besides, advanced polarity-reversible models work in a different way. Reversing the current changes the magnetic field polarity directly. It drives the plunger to move outward actively without relying on mechanical linkage.

3. Power-Off and Automatic Reset

The magnetic field disappears right after the current cuts off. For common non-latching solenoids, the return spring takes effect at this time. It pushes the plunger back to its initial position to prepare for the next operation.

In contrast, latching push-pull solenoids use built-in permanent magnets. They can lock their position without continuous power supply. To change the working state, users only need a short reverse current pulse.

Summary

Push-pull solenoids convert electric energy into bidirectional linear motion via electromagnetic principles. Their simple structure, fast response and dual push-pull functions make them ideal for automated control systems. They are widely used in machinery, electronics and industrial automation fields.