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Choosing the correct oil seal application

Choosing and using the proper sealing devices within oil and gas applications can be vital when preventing dirt, dust, water, and other debris from potentially getting inside and contaminating products.  Of course, all rubber materials and seals will provide a range...

Nitrile rubber, NBR, and Buna-N – how well do you know your o ring materials?

A widely used elastomer, Nitrile, Buna-N, or NBR rubber, are all oil and fuel resistant and provide a great level of strength, making them a popular material for seals across various industries.  Suitable for a range of applications, this versatile rubber material,...

Optimum squeezing force for an o ring

It is true that the more squeeze you place on an o ring, the tighter the seal it will provide. In essence, the more squeeze (compression) you apply, the greater the force between the o ring and its mating hardware.  And ensuring you have the perfect seal is all...

O Ring Squeeze

The squeeze and shrinkage on an o ring are vital to understanding as these factors stand in the way of your application either experiencing a perfect seal or your application suffering from leaks.  You can measure the shrinkage of an o ring during...

Keeping your o rings bonded

EMI o rings. Those seal ring gaskets are made of silicone compounds, combining environmental sealing with electromagnetic interference protection.  Consisting of metal or metal-coated particles, silicone o rings are filled with silver, silver aluminium, or nickel...

The importance of mechanical seals when reducing water consumption in mining

Environmental considerations are at the top of most industry's agendas in the 21st century as companies evaluate and improve operations, processes, and systems.  Conserving water in mining is one such area that is now being investigated further with the rotation of...

How choosing the correct gasket reduces risks

Health and Safety across any industry are vital, especially so in industrial facilities and settings.  Why?  Because harmful leaks and emissions must be avoided at all costs to avoid serious accidents or injury to your teams and property.  That’s why having the right...

How to tighten your bolts perfectly

How to tighten your bolts and which tools you should use to achieve the perfect seal is not as seamless and straightforward as we would like. Various factors come into play in these situations, such as bolt grade, size, and even application type.  Tightening torques...

Static and Dynamic o rings

A range of factors and application dynamics come into play when choosing a particular type of o ring.  You need to understand the type of seal exert you require, the dimensions, and even compounds.  Due to the nature of an o ring and its overall design, o rings use...

Gasket Sealants

Fortunately, no one gasket suits a range of applications, but rather we have a multitude of gasket sealants available to meet various specifications and requirements.  Ultimately, sealants are used to effectively ensure gasket seals.  Helping to extend a gasket's life...

Gasket manufacturing process explained

The process of manufacturing a gasketSpecialist Sealing Products have been providing high-quality gaskets to customers throughout the UK for many years. We pride ourselves in the range of gaskets we have available, suitable for a variety of applications across a range of industries. 

Rubber gaskets are indeed the perfect solution to, in their simplest form, fill the gap between two parts. Helping to provide a tight seal that prevents leaks, helps to reduce noise, or can act as a support mount. 

Rubber gaskets are so versatile that they can be used in any business operating in any sector needed for any application. It is primarily used in oil and gas, food processing, pharmaceutical, water, and petrochemical industries. 

Manufacturing rubber gaskets – The Process 

Cutting and punching play a big part in the manufacturing process of gaskets. Producing a range of different products in a range of volumes, all dependant on specific requirements. 

Ideally, you need to work with a manufacturing process that provides the best solution for you, and one that is ultimately fit for purpose. 

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Most common production techniques 

Punching 

Gasket punching is one of the most traditional methods in the manufacturing process. Gasket punching involves a bent steel strip that can be moulded into the desired shape and then fed through a sheet of the gasket, followed by a cutting board. Gasket punching involves a sharp blade being pressed into the steel to pierce through the sheet material, cleanly and with ease. The shape inside the cutter is then the finished gasket. 

Originally, gasket punching was widely used in the shoe industry; however, due to its many benefits, the process of punching is used to manufacturer a much wider range of gaskets for a variety of industries. 

Punching is the best manufacturing method if you’re looking for consistently sized gaskets that require large volumes to be produced. 

Cutting 

Gasket cutting can often be preferred to gasket punching because a number of different product characteristics come into play that cutting can work with effectively and efficiently. 

Types of cutting involve: 

Kiss cutting – which is used to support the handling of smaller punched parts. 

Water jetting – which involves a high pressure of jet water being blown through a sheet of material to cut it. This particular manufacturing method allows hard or soft, cellular, or solid materials to be cut quickly and in a wide range of shapes. All done without deformation that is often found on other punching processes. This process is also good if you’re looking for a quick run. (Note: materials that absorb water are not suitable for this process). 

Laser cutting – similar to water jetting, you’re simply just using a laser instead. The benefits are also similar, but with lasers, you can experience a flammability problem. 

Hand cutting – ideal for much larger and more bespoke gaskets. A traditional manufacturing process but still extremely useful. Hand marking out shapes and then using knives and saddle punches to create more bespoke gaskets. 

Strip cutting – which uses a rotary knife to convert the strip material into the end product. Using a rotating knife, this process cuts long sheets of material into strips using a circular rotation. The distance between each blade is then set, determined by what is being produced. 

Finishing touches 

It’s important to ensure that the products manufactured are also trimmed, finished, and packed to a very high standard. 

The product still is not 100% complete as soon as it comes off the production line, it needs to be finished, by sealing experts. 

SSP provides a range of gaskets to suit your individual needs. Give us a call to ask one of our sealing experts about the right gasket for you. 

Gasket manufacturers SSP have the flexibility, as well as the tools, machinery, and processes to offer customers a wide range of punched and cut gaskets. 

Working with a range of volumes to support several industries, we’re proud of our robust manufacturing processes. 

Read the next article: Restoring your damaged rubber seals 

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