Bobbin – Diabolo, Type B
Bobbin Diabolo Type B is a rubber-metal anti-vibration mount from AMC Mecanocaucho with a male threaded stud on one end and a female threaded socket on the other. The mixed fastening configuration suits installations where one fixing face uses a bolt and the other uses a threaded hole. The diabolo-shaped natural rubber body provides high transverse elasticity and accommodates relative movement from thermal expansion and structural deformation.
Specifications
- Fastening: Male thread one end, female thread other end (mixed configuration)
- Thread sizes available: M-5 through M-16 depending on model
- Compression load range: 4 daN (F.000N) to 400 daN (F.6)
- Shear load range: 1.5 daN (F.000N) to 70 daN (F.6)
- Compression deflection range: 1.5 mm (F.000N) to 9.5 mm (F.6)
- Shear deflection range: 0.4 mm to 9.8 mm
- Body dimensions (sample): 12 x 12 mm (F.000N) to 95 x 76 mm (F.6)
- Material: Natural rubber bonded to steel end plates
Applications
Suitable for elastic suspension and vibration isolation of small to medium machinery including motor-pumps, motor-ventilators, dryers, sieves, compactors, washing machines, electrical motors, on-board control panels, measuring instruments, control cabinets, microphones, and fluorescent tube fixtures. The mixed thread configuration is particularly useful when one mounting face has a captive bolt and the opposing face has a tapped hole.
Frequently asked questions
When would I choose Type B over Type A or Type C?
Choose Type B when one end of the mounting arrangement has a protruding stud (male) and the other has a threaded hole (female). Type A suits stud-to-stud installations and Type C suits hole-to-hole installations.
How much relative movement can these mounts accommodate?
The rubber element accommodates relative movements of several millimetres, which allows for thermal expansion and minor chassis deformation without overloading the mount or the connected structure.
What is the compression load range across the full product range?
Type B mounts range from 4 daN compression load (F.000N, body 12 x 12 mm) up to 400 daN (F.6, body 95 x 76 mm), with corresponding deflections of 1.5 mm to 9.5 mm.
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.