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Engineering Plastics

POM
Product files

POM

The POM (Polyoxymethylene) commonly referred to as Delrin, Acetal, Polyacetal and Polyformaldehyde. The material has excellent physical and chemical properties to serve a wide range of applications. POM is very stable in wet and dry environments and is recommended for precision and close tolerance parts. POM has very low moisture absorption compared to standard nylons and is also FDA approved.

Application

Mechanical gears, sliding and guiding elements, housing parts, springs, chains, screws, nuts, fan wheels, pump parts, valve bodies.

Availability

Sheet: 1200 x 600 mm, 1220 x 1000 mm. Rod: 2 mm – 250 mm. Tube: 20 mm – 350 mm.

Acrylic (PMMA)
Product files

Acrylic (PMMA)

Acrylic (PMMA) is optically transparent, has good resistance to moisture and offers a high strength to weight ratio while providing light transmittance. It can be easily heat formed without loss of optical clarity. Prolonged exposure to moisture or even total immersion in water does not significantly effect the mechanical or optical properties of this material.

Application

Acrylic (PMMA) is applicable to medical, consumer products, automotive and industrial periods.

Availability

Sheet: 1220 x 2440 mm; T: 3 mm – 120 mm. Rod: D: 5 – 150 mm; L: 2000 mm. Types: Rods, sheets, tubes, profiles. Color: Transparent, customized.

FAQ

Frequently asked questions

What are the main allications of BETRONIC Materials?

BETRONIC Materials mainly apply to for Surface Mount Technology (SMT), assembling and mounting technology. Surface Mount Carriers · Wave Solder Pallets · Reflow Fixtures · Selective Solder Fixtures · In-circuit test (ICT) · Screen Printing.

What is the minimum thickness of the wall and base that can be machined?

0.8mm wall and floor thickness, if the machined area is large enough, then we do not recommend going down this thin.

What are typical RPM and feed-rates for cutting Betronic Materials?

This is dependant on the machine tool you are using and will depend on the desired tool life vs production speed but typical settings are as follows: 8000 RPM maximum spindle speed and a typical speed of 7500 RPM. For a 6 mm tool use a feed rate of 1,200 mm/min.

Is it necessary to apply refrigerant or coolant while cutting the material?

Use coolant mainly to keep the dust down. Material can also be cut without coolant but a vacuum or water is required to remove the dust.

What is the lifecycle of BETRONIC?

Lifecycle of BETRONIC is typically 10,000 cycles, affected by impact of heating and cooling conditions.

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