Sandwich Mounts: Best Anti-vibration Solution for Various Industries
Sandwich mounts are used in a wide variety of mechanical applications. They help in supporting a kind of equipment from engine suspension to rubber isolation feet etc. Hence if you want to buy these crucial parts for your mechanical device, it’s important that you pick a high-quality product that will work properly and have a longer lifespan.
These mountings are available in various shapes, sizes & materials. So before you purchase your product, you need to do a proper analysis of the type of mount you require. Sujan Industries is the manufacturer and supplier of premium quality sandwich mountings & other various rubber products in India and abroad. And here in this guide, we’ve tried to give you an overview of this crucial product and help you choose your best one.
What is a sandwich mount?
The name “sandwich mount” was given to this part due to its shape. Two or more metal plates are used to sandwich a rubber piece. These parts are often used for anti-vibration, noise absorption, high compression, heavy load requirements. These mounts ensure a rubber break between two metal surfaces since each side of the sandwich is connected to each side with rubber in the middle.
If used as a motor mount, they will ensure the minimum movement, vibration and transfer of the vibration of the engine to the car frame. Apart from that, the sandwich mounting also reduces damage and enhances the lifespan of the internal parts like the engine and the frame. And this way they protect the machine and the operator from the damage caused by such unwanted and unnecessary vibration.
How Sandwich Mounts Work: Compression, Shear, and Combined Loading
A sandwich mount handles force in three different ways. Which one applies to you depends on how you install the mount and the direction the force pushes on it. Here’s what each mode means in practice.
Compression loading :The force presses straight down on the rubber layer, squeezing it between the two metal plates. This is the mode you’ll see most often. It’s also why sandwich mounts can carry such heavy loads — the rubber resists well when it’s being squeezed.
Shear loading :Here the force runs parallel to the rubber layer, so the rubber shifts and stretches sideways instead of getting squeezed. This setup feels softer and gives you more give in the horizontal direction. Reach for it when you need that side-to-side flexibility.
Combined loading :In the real world, most setups push on the mount in both ways at once — squeezing and shearing at the same time. Sandwich mounts are built to handle that mix without trouble, so you don’t have to choose between one type of support or the other.
That combination is what makes these mounts so useful. You get support for heavy static loads while still taming vibration in more than one direction at the same time.
Stacking for a Lower Natural Frequency
Here’s a handy trick with sandwich mounts: you can stack several units on top of each other. Stacking adds up all that rubber, giving you more total thickness.
More rubber lowers the mount’s natural frequency. That means better isolation when you’re dealing with slow, low-frequency vibration — and you get there without switching to a whole new mount design. You simply add another unit to the stack.
Basic Construction of sandwich mount
Different sandwich mounts come in different shapes, as we have already mentioned. And because of this, all of the mounts don’t have the same parts. However, the general construction of a sandwich mounting is as follows:
Metal plates & Inserts: Metal plates are found at both ends of the mount. Rubber: The rubber part is placed between the sandwich plates. It helps to minimize vibration and noise. Threads: There can be different types of screw threads in the sandwich mountings. A screw thread is a hump that wraps around the part. Stud: The stud of any sandwich mounting comes through the plates and the piece of rubber. It may be visible only on one side of the mount.
However, some of the mountings might have rectangular or square sandwich plates with round rubber parts, while others have only one stud or no studs at all.
Load Capacity & Performance Specifications
Sandwich mounts are built to carry heavy compressive loads without sacrificing vibration isolation. Here is what you need to know about how they perform — and why those properties matter for your application.
Key performance characteristics include:
High compression-to-shear stiffness ratio — Sandwich mounts carry heavy static loads while still allowing enough flexibility to isolate vibration. The mount stays firm under weight but absorbs movement.
Large surface area, slim profile — You get strong load support in a compact footprint — useful when installation space is tight but structural integrity cannot be compromised.
Radial flexibility — The mounted equipment can shift slightly in multiple directions, which helps absorb both impact shocks and continuous steady-state vibration.
Stackable configuration — You can combine multiple mounts to adjust the system’s natural frequency and dial in the right isolation level for your specific load and environment.
These characteristics make sandwich mounts a practical choice for heavy machinery, marine propulsion systems, and rail applications — anywhere you need reliable load-bearing and effective vibration control at the same time.
How to Choose the Right Sandwich Mount
Selecting the correct sandwich mount comes down to a few key engineering factors. Use this checklist before finalizing your specification:
Load type — Will the mount primarily experience compression, shear, or a combination of both?
Static & dynamic load values — What is the maximum weight the mount needs to support, and what additional dynamic forces will act on it during operation?
Operating temperature range — Will the mount be exposed to extreme heat (engine bays, industrial ovens) or cold (outdoor/off-highway equipment)?
Chemical & fluid exposure — Will the mount come into contact with oils, fuels, coolants, or other industrial chemicals?
Installation orientation — Will the mount be installed vertically, horizontally, or in a V-arrangement (common in marine and engine mounting)?
Space constraints — Sandwich mounts’ slim profile makes them ideal where height is limited, but always confirm against your equipment’s clearance.
Natural frequency requirements — If low-frequency isolation is needed, consider whether a stacked configuration is appropriate.
Our technical team at Sujan Industries works directly with customers to evaluate these factors and recommend the ideal material, plate configuration, and mounting design for the application.
Advantages of using sandwich mounts
Using premium quality sandwich mountings can get you a lot of benefits like the following:
Simple design: These mountings have a simple design, have different types, and can offer space-saving solutions. Mainly because of the minimal design, the mounts can offer the right solution to the size and mounting requirements. Can carry heavy loads: Sandwich mounts come in a broad range that has the capacity to carry heavy loads. Have high strength bond: High strength bonding is another benefit of the mountings. These parts are generally rubber-to-metal bonded parts and hence they stick together. Provides high compressive strength: These mounting provide especially high compression. Controls energy: Sandwich mountings exhibit excellent energy control. It protects the key parts from getting damaged by the vibrations. Easy to install: Due to the size and simplicity of the design, these mounts are easy to install and run. Requires little or zero maintenance: Rubber is such a material that requires very little maintenance. And hence after installing these sandwich mountings you don’t need to put any extra effort into their maintenance. Only need to replace them whenever required.
Industrial Application of Rubber Sandwich Mounts
Sandwich mountings are immensely versatile and are used in almost every mechanical device. Whenever a rubber break is required between two surfaces to absorb energy, noise, and vibration, sandwich mounts are the preferred solution. Key industrial applications include:
Railway: Used in traction motor assemblies, bogies, and suspension systems to isolate vibration in rolling stock and locomotives
Automotive: Engine suspension, chassis mounting, and NVH (Noise, Vibration, Harshness) control
Marine: Engine and propulsion unit mounting, often installed in a V-arrangement to optimize vibration isolation while keeping equipment movement to a minimum
Agriculture: Cabin mounts, engine mounts, and vibration control on tractors and harvesters
Off-Highway & Construction Equipment: Isolation for excavators, compactors, and heavy earthmoving machinery
Heavy Vehicles & Generators: Engine and genset mounting where high compressive loads and continuous operation demand long-lasting performance
Why Choose a Sandwich Mount?
Compared to cushyfoot mounts, combi mounts, cone mounts, conical bearings, and cross-link sandwich mounts, a sandwich mount offers:
Excellent vibration and shock isolation
Compact and simple design
Cost-effective installation and maintenance
Suitable for both compression and shear loads
Reliable performance in industrial and automotive applications
Enhanced equipment protection and operational stability
Sandwich mounts are a versatile choice for effective vibration control across diverse industries
Why Choose Sujan Industries for the Best Sandwich Mount?
Sujan Industries is a trusted manufacturer of high-quality sandwich mounts designed for superior vibration isolation, shock absorption, and equipment protection. Our sandwich mounts are engineered to meet diverse industrial requirements, offering excellent load-bearing capacity, long-lasting durability, and reliable performance in demanding operating conditions. Whether your application involves vertical or horizontal mounting, extreme temperatures, or exposure to fluids, we deliver customized sandwich mount solutions that ensure maximum efficiency, extended equipment life, and consistent performance across industries.
Get the best quality sandwich mounts: Sujan Industries
Getting premium quality sandwich mountings are very important to ensure a long lifespan and smooth functioning of the mechanical device. And the best way to choose the right parts is to choose the most trusted rubber parts manufacturer. Sujan Industries is the leading name in the rubber parts manufacturing industry. We provide premium quality customized rubber, rubber to metal bonded components, Plastic & Casting products to the core industries like Railway, Automotive, Aerospace, Defense, Power, Electrical etc. in India and abroad. So if you are looking for the best quality sandwich mounting and other products for your industrial needs, get in touch with us.
FAQ's on Sandwich Mount
The load capacity of a sandwich mount depends on its size, rubber compound, and design specifications. Sujan Industries offers sandwich mounts in various load ranges to support different industrial, automotive, and engineering applications while ensuring effective vibration isolation.
A sandwich mount is typically manufactured using high-quality rubber bonded between metal plates. Sujan Industries uses specially formulated elastomers and durable metal components to provide excellent vibration damping, shock absorption, and long-lasting performance in demanding operating environments.
Sandwich mounts are used to isolate vibration and absorb shock between two metal surfaces in heavy machinery, vehicles, and industrial equipment. They are especially effective where high compressive loads must be supported alongside vibration control, such as engine mounting, railway bogies, and marine propulsion systems.
Load capacity depends on the rubber hardness, the number of metal interleave plates, and the overall mount dimensions. Sandwich mounts are specifically engineered for high-compression applications and can be designed to handle anywhere from moderate industrial loads to very heavy equipment, depending on the specification.
Sandwich mounts typically use steel, stainless steel, or aluminium plates bonded to an elastomer such as Natural Rubber, Neoprene, Silicone, EPDM, or Nitrile. The material choice depends on the required temperature range, chemical resistance, and load conditions of the application.
Yes. Multiple sandwich mounts can be stacked to increase the effective rubber thickness, which lowers the natural frequency of the mount and improves isolation for low-frequency vibration sources.
The right choice depends on load type (compression, shear, or combined), operating temperature, chemical exposure, installation orientation, and space constraints. Our technical team at Sujan Industries can guide you through this selection process based on your specific equipment requirements.
Yes, Sujan Industries designs and manufactures custom sandwich mounts tailored to your load, material, and dimensional requirements, in addition to standard configurations.
