Aluminum Seal Crimper for Pharmaceutical Aseptic Filling Systems

Product Specifications

Technical details and manufacturing context for Aluminum Seal Crimper

Definition

Within a Pharmaceutical Aseptic Filling and Sealing System, the Aluminum Seal Crimper is a critical component responsible for the final hermetic sealing of vials, bottles, or syringes. It operates in the sterile environment to mechanically crimp pre-placed aluminum caps or overseals onto the container's rubber stopper and glass neck, creating a tamper-evident and contamination-proof seal essential for maintaining product sterility and shelf life. The crimper is designed for integration into automated filling lines, where it must perform reliably under strict cleanroom conditions. Its construction typically includes stainless steel (e.g., 316L) for corrosion resistance, tool steel for the crimping jaws, and anodized aluminum for structural parts. The device accommodates standard pharmaceutical vial sizes with a crimping diameter range of 13–30 mm and a crimping height of 10–25 mm, adjustable to different seal heights. Operating pressure is specified at 1.0–1.6 MPa, with a crimping force of 5–20 kN to ensure proper seal deformation. Cycle time per crimping operation is 1–3 seconds, and crimping precision is maintained at ±0.05 mm (ISO 2768). Power supply is 220–240 V AC (IEC 60038), with power consumption of 0.5–1.5 kW. The device operates within an ambient temperature range of 5–40 °C and offers ingress protection rated IP54–IP65 (IEC 60529). Material grades for wetted parts are typically 304–316 stainless steel (ASTM A240). The weight ranges from 50–100 kg depending on configuration. These parameters serve as reference ranges; actual values must be verified with the legal manufacturer or supplier for the specific model and application. The crimper is not a standalone machine but a component that requires integration with a control system and proper maintenance to ensure consistent sealing quality.

Working Principle

The crimper utilizes a set of precision-machined crimping jaws or rollers. These jaws are actuated (often pneumatically or via a servo mechanism) to apply a controlled, radial force onto the aluminum cap's skirt. This force plastically deforms the aluminum skirt, folding it under the lip of the container's glass finish, thereby securing the underlying elastomeric stopper in place and forming a tight, hermetic seal. The force and travel are precisely controlled to avoid damaging the glass or the stopper while ensuring a consistent seal.

Common Materials

Stainless Steel (e.g., 316L), Tool Steel (for crimping jaws), Anodized Aluminum (for structural parts)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Crimping Diameter	13–30 mm	Compatible with standard pharmaceutical vial sizes
Crimping Height	10–25 mm	Adjustable for different seal heights
Crimping Force	5–20 kN	Ensures proper seal deformation
Cycle Time	1–3 s	Per crimping operation
Crimping Precision	±0.05 mm	Maintains seal integrityISO 2768
Power Supply	220–240 V AC	Single phase, 50/60 HzIEC 60038
Power Consumption	0.5–1.5 kW	Depends on motor and heater
Operating Temperature	5–40 °C	Outside range may affect performance
Ingress Protection	IP54–IP65	Dust and water resistantIEC 60529
Material	304–316 SS	Stainless steel for corrosion resistanceASTM A240
Weight	50–100 kg	Depends on configuration

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

Crimping Jaws / Rollers Part
Directly contact and apply forming pressure to the aluminum cap skirt.

Material: Hardened Tool Steel or Ceramic
Actuation Cylinder / Motor
Provides the mechanical force to open and close the crimping jaws.

Material: Stainless Steel Housing
Force Adjustment Mechanism
Allows for precise calibration of the applied crimping force.

Material: Stainless Steel
Mounting Bracket / Frame Part
Secures the crimper assembly to the sealing station of the filling line.

Material: Stainless Steel or Anodized Aluminum

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Frequently Asked Questions

What is the typical crimping diameter range?

The reference range is 13–30 mm, but you must verify the exact range for your specific model and container size with the manufacturer.

What operating pressure is required?

The reference range is 1.0–1.6 MPa. Confirm the required pressure for your application to ensure proper sealing.

What materials are used in construction?

Typical materials include stainless steel (e.g., 316L), tool steel for jaws, and anodized aluminum. Verify material compatibility with your process.

How precise is the crimping operation?

The reference precision is ±0.05 mm per ISO 2768. Actual precision depends on the model and setup; confirm with the supplier.

Data Basis

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Preliminary Technical Classification

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pressure:	Up to 500 N crimping force
other spec:	Aluminum seal thickness: 0.1-0.3 mm, Container diameter: 10-50 mm
temperature:	Ambient to 50°C (operational environment)

Aluminum Seal Crimper

Product Specifications

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Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards