INDUSTRY COMPONENT

Piston Head

A precision-engineered piston head component that converts fluid pressure into mechanical motion within impeller/piston assemblies.

Component Specifications

Definition
The piston head is a critical reciprocating component in impeller/piston assemblies that seals against cylinder walls and transfers hydraulic or pneumatic pressure into linear mechanical force. It features precisely machined surfaces, sealing grooves, and mounting interfaces for connecting rods or shafts.
Working Principle
Operates on fluid dynamics principles where pressurized fluid (hydraulic oil or compressed air) acts upon the piston head surface area, creating force that drives linear motion. The piston head transfers this force through connecting mechanisms to perform work.
Materials
Typically forged or cast aluminum alloy (e.g., 6061-T6, 7075-T6) for lightweight applications, or hardened steel (e.g., AISI 4140, 4340) for high-pressure systems. May include bronze or composite wear rings.
Technical Parameters
ParameterTypical rangeNotes & selection driver
HardnessHRC 40-60 (steel), HB 80-120 (aluminum)
Surface FinishRa 0.4-0.8 μm
Temperature Range-40°C to +200°C
Diameter Tolerance±0.01 mm
Operating PressureUp to 300 bar

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

Standards
ISO 4393, DIN 332, ISO 3320, DIN 24334

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Seal failure leading to fluid leakage
  • Wear and scoring of cylinder walls
  • Fatigue cracking under cyclic loading
  • Thermal expansion mismatch
FMEA Triads
Trigger: Inadequate surface finish or improper hardness
Failure: Accelerated wear and seal degradation
Mitigation: Implement strict quality control for surface finish (Ra 0.4-0.8 μm) and hardness testing (HRC 40-60 for steel)
Trigger: Material fatigue from cyclic pressure loading
Failure: Crack propagation and catastrophic failure
Mitigation: Regular inspection intervals, finite element analysis during design, and material certification

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Diameter tolerance ±0.01 mm, concentricity within 0.02 mm TIR
Test Method
Dimensional inspection with CMM, pressure testing per ISO 4393, material certification per ASTM standards

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Piston Head

Manufacturer profiles associated with Piston Head.

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Related Components

Mounting Interface
Precision mounting interface connecting punch tips to pharmaceutical tablet press machines for accurate tablet production.
Chrome Plating
Hard chrome plating is an electroplating process that deposits a layer of chromium onto metal surfaces to enhance wear resistance, corrosion protection, and reduce friction for hydraulic cylinder piston rods.
Upper Tool (Punch)
Upper Tool (Punch) is the active forming component in metal plate bending machines that applies precise downward force to create bends in sheet metal.
Main Frame
The main frame is the primary structural component of a hydraulic press, providing rigidity and stability to withstand high compressive forces during metal forming operations.

Frequently Asked Questions

What is the primary function of a piston head in impeller/piston assemblies?

The piston head converts fluid pressure (hydraulic or pneumatic) into linear mechanical motion by sealing against cylinder walls and transferring force through connecting mechanisms.

What materials are commonly used for manufacturing piston heads?

Aluminum alloys for lightweight applications, hardened steels for high-pressure systems, and sometimes bronze or composite materials for wear resistance in specific applications.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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