Actuator (Solenoid/Pneumatic Cylinder) for Extrudate Cutting

Product Specifications

Technical details and manufacturing context for Actuator (solenoid/pneumatic cylinder)

Definition

This actuator is a component used in extrudate cutting mechanisms to provide precise linear motion for driving a cutting blade or guillotine. It receives control signals and translates them into physical movement to sever extruded materials at predetermined intervals or lengths. The actuator can be either a solenoid type, which uses an electromagnetic coil to generate a magnetic field that moves a plunger, or a pneumatic cylinder, which uses compressed air to push a piston along a cylinder bore. Both types convert input energy into linear mechanical force. The product is available in configurations with bore sizes from 32 to 100 mm, stroke lengths from 25 to 500 mm, and operating pressures from 0.1 to 1.0 MPa. Operating temperature range is -20 to 80°C, with a proof pressure of 1.5 MPa. Piston speeds range from 50 to 500 mm/s. Cushioning is adjustable to prevent end-of-stroke impact. Port sizes range from G1/8 to G1/2. Mounting options include foot, flange, and trunnion. Cylinder tube materials can be aluminum or stainless steel, and seal materials can be NBR or FKM. Weight ranges from 0.5 to 15 kg depending on bore and stroke. These specifications are reference ranges and must be verified with the legal manufacturer or supplier for the specific model and application. Standards such as ISO 6432, ISO 8573-1, and ISO 228-1 are listed as procurement references, not as proof of certification or compliance. The actuator is intended for use in machinery and equipment manufacturing, specifically in extrusion cutting systems. Proper selection requires consideration of force requirements, stroke length, operating pressure, temperature, and environmental factors. Maintenance signals include seal degradation above 80°C, reduced speed to shorter life, and insufficient force below 0.1 MPa. Failure boundaries include operation outside the specified temperature and pressure ranges, which can cause seal failure or structural damage.

Working Principle

Solenoid actuators use an electromagnetic coil to generate a magnetic field that moves a plunger, creating linear force. Pneumatic cylinders use compressed air entering a chamber to push a piston along a cylinder bore, converting pneumatic pressure into linear mechanical motion. The actuator receives control signals from a system controller, which energizes the coil or directs air flow to initiate movement. The resulting linear motion is used to drive a cutting blade or guillotine in an extrudate cutting mechanism. The force output is determined by the bore size and operating pressure, while the stroke length defines the travel distance. Cushioning at the end of stroke absorbs impact to reduce wear. The actuator's performance is influenced by operating temperature, piston speed, and seal material. Proper selection of these parameters ensures reliable operation within the specified limits.

Common Materials

Stainless steel, Aluminum alloy, Engineering plastics

Technical Parameters

Parameter	Typical range	Notes & selection driver
Bore Size	32–100 mm	Determines force outputISO 6432
Stroke Length	25–500 mm	Custom strokes availableISO 6432
Operating Pressure	0.1–1.0 MPa	Below 0.1 MPa insufficient force
Operating Temperature	-20–80 °C	Seals degrade above 80°CISO 8573-1
Proof Pressure	1.5 MPa	1.5 times max working pressure
Piston Speed	50–500 mm/s	Higher speed reduces lifeISO 6432
Cushioning Type	Adjustable	Prevents end-of-stroke impact
Port Size	G1/8–G1/2	Match to valve flowISO 228-1
Mounting Type	Foot, flange, trunnion	Affects installation footprintISO 6432
Cylinder Tube Material	Aluminum, stainless steel	Stainless for corrosive environments
Seal Material	NBR, FKM	FKM for high temperature
Weight	0.5–15 kg	Depends on bore and stroke

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Cylinder Barrel
Houses the piston and provides structural integrity

Material: Stainless steel
Piston Part
Converts fluid pressure into linear mechanical force

Material: Aluminum alloy
Rod Part
Transmits force from piston to external cutting mechanism

Material: Chrome-plated steel
Solenoid Coil
Generates electromagnetic field to actuate plunger (solenoid type)

Material: Copper wire
Plunger Optional
The iron core the coil pulls in on solenoid versions — that is where the stroke comes from.
Cushion Assembly
Absorbs the end-of-stroke impact on every cut, so the actuator is not hammered by its own return.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Extrudate Cutting Mechanism

View system integration details

Manufacturers of Actuator (solenoid/pneumatic cylinder)

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Frequently Asked Questions

What is the difference between solenoid and pneumatic actuators?

Solenoid actuators use an electromagnetic coil to move a plunger, while pneumatic cylinders use compressed air to push a piston. Both produce linear motion, but they differ in energy source, response time, and control method. Solenoids are typically faster and more precise, while pneumatic cylinders can provide higher forces and are often used in industrial applications.

How do I select the correct bore size and stroke length?

Bore size determines the force output, with larger bores providing more force at a given pressure. Stroke length defines the travel distance needed for the cutting action. Consider the required cutting force and the material thickness. Refer to the manufacturer's specifications and verify the values for your specific application.

What are the operating limits for temperature and pressure?

The operating temperature range is -20 to 80°C, and the operating pressure range is 0.1 to 1.0 MPa. Below 0.1 MPa, the force may be insufficient. Above 80°C, seals may degrade. The proof pressure is 1.5 MPa, which is 1.5 times the maximum working pressure. Always operate within these limits to ensure reliability.

How do I verify that the actuator meets ISO standards?

The listed standards (ISO 6432, ISO 8573-1, ISO 228-1) are reference points for dimensions, testing, and quality. To verify compliance, request documentation from the manufacturer or supplier, such as test certificates or declarations of conformity. Always confirm that the specific model meets the required standards for your application.

Data Basis

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Preliminary Technical Classification

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pressure:	Up to 10 bar (pneumatic), Up to 250 psi (hydraulic variants)
other spec:	Flow rate: 10-100 L/min (pneumatic), Slurry concentration: <5% solids by weight
temperature:	-20°C to +80°C (standard), -40°C to +120°C (special seals)

Actuator (solenoid/pneumatic cylinder)

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

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