Moulded rubber suits medical applications
A
Hiawatha Rubber Company product story
Edited by the Engineeringtalk editorial team
Apr 25, 2006
Close tolerance moulded rubber and silicone components and bonded rollers requiring special formulations and surface finishes are available for medical systems requiring rubber rollers and assemblies.
Close tolerance, medical-application-specific moulded rubber and silicone components and bonded rollers requiring special formulations and surface finishes are available from Hiawatha Rubber.
Included are custom rollers for CAT scanning systems, dry laser imagers, defibrillators and a range of medical systems requiring rubber rollers and assemblies with related components.
Special surfaces that range from smooth (polished) to extremely coarse (crepe) and custom formulated and designed materials are available.
To achieve the right custom roller design, Hiawatha engineers, chemists and technicians will help a medical user's design group meet the required design criteria.
These include selecting the right rubber compound, then developing the correct moulding and bonding process, followed by accurate grinding of the roller to correct dimensional and surface finish.
Hiawatha's in-house grinding department specialises in achieving custom finishes and special crowning for specific feeding characteristics and longer-wearing rollers.
The firm provides material formulation chemistry, CAD design tooling, injection transfer moulding, CNC grinding and CNC machining.
Manufacturing these rollers can include services such as bearing assembly, plastic or metal gears, drilling and tapping components, precision journal grinding, plastic-to-rubber bonding, metal-to-rubber bonding and segmented roller assembly.
A proprietary library of tooling is available with about 60 tool combinations used in the moulding process, which will work for about 80% of rubber roller styles.
This eliminates custom tooling, saving the customer money.
Additionally, using dedicated equipment and operators, Hiawatha provides a service called Quick-Rolls which is for prototype and short runs of moulded rollers delivered in one to two weeks.
Within its roller expertise, Hiawatha provides an alternative to heavy solid core designs, particularly for diameters larger than 3.8cm and for larger quantities.
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