Pneumax 5420310134

Product Full Name: Complete Spring Clamp

This part is an OEM spare part originally for Robopac stretch wrapping machines, manufactured by Pneumax Italy. It is not a standard pneumatic cylinder or valve listed in Pneumax general catalogs, but a custom mechanical clamping assembly for equipment.

Basic Information

Model: 5420310134

Brand: Pneumax (Italy)

Alias: Robopac film carriage spring clamp, film pulling spring clamp assembly

Application Machine: Robopac rotary turntable stretch wrapper (Robot series etc.). It grips the end of stretch film for film cutting and clamping operations.

Components: Clamp jaw body, clamping spring, pin shaft and mounting bracket assembly (not a single spring).

Function Description

Located on the film delivery mechanism of the wrapper. Normally closed clamping maintained by spring preload. A pneumatic cylinder pushes to open the jaws and release the film. During machine stop or film change, the spring clamps the film tip to prevent film spring-back and loosening.

Key Notes

No public official Datasheet: This is an OEM custom component and not included in Pneumax standard product manuals. Dimensions and drawings are only available in Robopac spare parts catalog.

Replacement Options:

Original part number 5420310134 is preferred.

Chinese replicated assemblies are available in the market with matching dimensions. However, spring fatigue life and clamping force differ from the original.

The separate spring has its own part number and cannot be used interchangeably with the complete assembly.

Common Failures: Spring fatigue and loss of clamping force, pin shaft wear and binding, jaw surface wear and film slipping.

HS Code Reference: 84229090 (Spare parts for packaging machinery). Recommended declaration description for customs: Spring clamp assembly for Robopac stretch wrapping machine.

Installation & Maintenance Guidelines

Inspect jaw opening clearance and spring preload before installation.

Regularly clean pin shaft area and apply a small amount of lubricant. Heavy grease is prohibited to avoid sticking to stretch film.

Replace the whole assembly rather than only the spring, otherwise uneven clamping force may occur.

If required, I can help you:

Locate installation dimension drawings from Robopac spare parts manual

Prepare comparison list of alternative Chinese-made parts

Further revise English description for purchasing or customs declaration