DSD + Bell
DSD + Bell is an anti-vibration rubber-metal mount assembly from AMC Mecanocaucho, distributed in Australia by Getzner Vibration Solutions. It combines the standard DSD dome-rubber mount with a metal bell cap that produces progressive stiffening under dynamic loads, improving shock absorption in machinery with fluctuating or impulsive load inputs.
Specifications
- Base mount: DSD rubber-metal mount with dome-shaped rubber section bonded between two flat metal plates
- Bell cap: Metal cap assembled over the mount body; provides progressive stiffening under dynamic load
- Hardness options: Soft (45 Shore A), Medium (60 Shore A), Hard (75 Shore A)
- Load range by size: DSD 40: 4-15 kg (soft) to 15 kg (hard); DSD 200: 500-1,250 kg depending on compound
- Top plate fixing: Tapped central boss or internal welded nut for machine attachment
- Base plate fixing: Oval plate with two holes for fixation to support structure
- Stiffness characteristic: Comparable axial and radial stiffness rates; progressive under dynamic inputs
Applications
Suited to HVAC systems, ventilators, rotating pumps, torque and frequency converters, electric motors, and power units operating at low to medium dynamic amplitudes. The bell cap makes this variant preferable to the standard DSD where shock or dynamic load fluctuation is present alongside steady-state vibration isolation requirements.
Frequently asked questions
What does the bell cap add over a standard DSD mount?
The metal bell cap introduces progressive stiffening as dynamic load input increases. This means the mount remains compliant under normal running loads while stiffening progressively to limit deflection under shock or surge conditions.
Can DSD + Bell mounts be used in the same applications as standard DSD mounts?
Yes. They share the same rubber-metal construction and load range, and are suited to the same HVAC, pump, motor, and converter applications. The bell cap is the differentiator where dynamic or impulsive loads are a factor.
Are multiple compounds available?
Three Shore hardness grades are offered: Soft (45), Medium (60), and Hard (75). Selection depends on the static load per mount and the excitation frequency of the supported equipment.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
What is your return policy?
All refunds and returns are determined by the manufacturer's terms of sale. Change-of-mind refunds are not accepted, but all valid warranty claims will be managed by AKA Acoustics in compliance with consumer law.
How long will it take to receive my order?
Freight lead times will be provided upon order confirmation. Standard items typically ship within 4–6 weeks, while custom orders may take 6–12 weeks.
Is my payment information secure?
Yes, all payments are securely processed through Stripe and are protected under their Terms of Service. AKA Acoustics do not store any payment information ourselves.
How are freight costs calculated?
Freight costs are determined at the time of quotation to ensure accurate pricing based on your specific order. For any questions, please email sales@akaacoustics.com
How can I contact support?
For account inquiries, email accounts@akaacoustics.com. For order support, email sales@akaacoustics.com.