Tsubaki is launching a new range of 'gripper' chains to be used for thermoforming in various sectors including food, electrical and medical packaging.
Whereas conventional gripping attachments often open vertically, Tsubaki's new chains open to the side as well, providing a larger opening that prevents jams and makes loading easier.
This innovative design is available on many variations of transmission chain, including Tsubaki's innovative Lambda lubrication-free chain. The new gripper chains are said to offer a useful combination of extended life and minimal maintenance.
Tsubaki has developed the advanced design of gripper chain for form, fill and vacuum sealing wrapping applications. The company says other attachment designs have inherent problems such as being prone to breakages or not gripping the film correctly. Tsubaki has produced an attachment that has superior wear characteristics and 'cams' open, creating a far wider aperture that prevents jamming and unsuccessful loading.
The Tsubaki design incorporates a coil spring with a square-section profile; the gripper surface area and spring are larger and therefore less prone to breakage. The reason other attachment types do not always grip the film properly is that, in the case where the gripping attachment will only open and close vertically, it creates a narrow opening. Tsubaki's 'gripper' mechanism opens vertically then sideways, improving the engagement of the film and reducing possible jamming.
There is a range of available options to ensure that almost any customer need can be met. Tsubaki holds the two most common chain sizes in stock although almost any size is available through the made-to-order option. The chains are produced with a hard-wearing protective nickel-plated finish as standard, suitable for general use in temperatures ranging from -10 to +150 degrees C.
Other options are available including stainless steel chains for applications that are subjected to aggressive wash downs or where acidic products are in use. Tsubaki can also supply the 'gripper' attachment within a Lambda chain. This is a self-lubricating chain that reduces maintenance needs and can be used where the risk of product contamination or marking by lubricant is an issue.
The chains can be used in a range of applications from food packaging to the packaging of medical supplies. Tsubaki believes it is important to recognise each client's individual requirements and to fully understand their needs in order to provide the most appropriate chain. The company therefore offers different chain types and lubrication options, including USDA H1-approved food-grade lubrication.
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