01384 633082 sales@sentinelplastics.co.uk

Acrylic CNC Machining

Plastic Machining | Milling | Routing | Turning | Fabrication

Firstly, Sentinel has a vast array of CNC Machines, all capable of acrylic CNC machining ( Perspex – Plexiglass ).

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Ultimately, these are all trade names. But with its high transparency and smooth surface, Clear Acrylic Machining is an attractive material for a wide range of applications. Also, offering excellent transparency with a moderate impact resistance, its uses a wide and versatile. Also, Acrylic CNC Machining, which requires no lubricant, can be CNC Routed CNC Milled, CNC Turned and heat-bent.

Notably, as a company, Sentinel Plastics has become synonymous with Polycarbonate and Acrylic CNC machining and fabrication.

Moreover, Being more cost-effective alternative to polycarbonate, makes it a popular choice of material in more general purpose applications. ACRYLIC is highly suitable material, when compared again to Polycarbonate, for hot line bending and welding.

Significantly, Acrylic can be CNC Routed to shape or cut to size. Certainly, most commonly used in retail, but also widely used in commercial applications such as making finger guards and factory machine guards. It is though, typically well known for elaborate display units, point of sale and secondary resistant glazing.

Applications Acrylic CNC Machining

Also, In the main, Acrylic CNC machining is for use in point of sale or display. So, Other uses for Perspex (Acrylic) are Trade fair structures, Public buildings. As well as, Within Industry, the clear plastics of choice are Acrylic or Polycarbonate. Hence, the huge experience Sentinel has due to its popularity in quality CNC machining plastics.

Similarly, Acrylic sheets can have Coatings applied to the surface. Most noteworthy, when compared to other clear plastic, Solid acrylic sheets retain their shine with no yellowing, nor change of colour. But, One positive effect in applying a protective coating is that you are increasing the resistance to long-term weathering, which thus provides a long service life.

Acrylic CNC Machined Parts Available in:

Most noteworthy, Acrylic is available in transparent clear and white translucent, but also available in bronze, grey, green, blue and many other colours.

Acrylic Machining Large Plastic Cut Shapes

Furthermore, our experienced, acrylic cnc machining, personnel can produce small or large batch quantities. Importantly, with high accuracy and high speed. Hence making this an economic form of producing cut to shape plastic parts. Certainly, Customers from all industries use Sentinels skilled staff to gain benefits. Thus, including cost saving and problem solving during the design process.

Further, Available grades:

1: Acrylic sheet / FG food grade
2: Solid Acrylic sheet / FR flame retardant
3: Perspex/Acrylic sheet / NR non reflective
4: Outstanding through reinforced UV protection.

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Finally, Some information gathered from Perspex Distribution Ltd – Read more here

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Bespoke Clear Plastic Guards @ Sentinel Plastics Ltd

Clear Plastic Guards – Covers – Shrouds – Screens – Windows

Plastic Machining | Milling | Routing | Turning | Fabrication

When choosing your type of Plastic for your Clear Plastic Guard or similar, careful consideration should be taken. For example; is it for impact safety, splash resistance, display protection only , sneeze guard, corner cover or just a simple viewing window. These are just some of the questions you may have to consider when deciding on the correct plastic for the job.

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Transparent or Opaque Plastic Guard Materials

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PETG offers good impact strength, excellent thermoforming and fabrication characteristics, and excellent resistance to chemicals. Easily cut, sawn, drilled, routed and bent. Not scratch resistant unless coated via a secondary opp. Technical term is Polyethylene Terephthalate Glycol.
Polycarbonate, commonly known by the manufacturer’s names of Makrolon GP® and Lexan sheet®. Combining high impact and temperature resistance with optical clarity. Easily cut, sawn, drilled, routed and bent. Polycarbonate is also an excellent candidate for fabricating to use in a wide range of applications. Not scratch resistant unless coated via a secondary opp. Much stronger impact resistance than Acrylic, PVC or PETG.

Lexan Fabrication - Polycarbonate Fabrications - Plastic Fabrication

Experienced Plastic Fabricators – Machined and Assembled Polycarbonate Covers

Acrylic – Data Acrylic is a plastic material with outstanding optical clarity. Acrylic sheet is easy to fabricate, bonds well with adhesives and solvents, and is easy to thermoform. Extremely popular for retail display. Easily cut, sawn, drilled, routed and bent. The better choice for scratch resistance but offering far less impact strength. The technical name is Poly(methyl methacrylate) (PMMA), and it comes in Extruded or Cast forms. The price of acrylic is cheaper than Polycarbonate and PETG.

PVC has good hardness and mechanical properties, Good electrical insulating properties, Very high chemical & moisture resistance. Equally PVC has excellent forming characteristics, dimensional stability, bondable, self-extinguishing and importantly compared to others fairly inexpensive. Easily cut, sawn, drilled, routed and bent. Not scratch resistant unless coated via a secondary opp. Also loses out against PETG and Polycarbonate on impact resistance. Technically known as Polyvinyl Chloride.

Transparent, Clear Plastic Guard Materials – Some Typical uses.

PETG – Food guarding, its high level of chemical resistance lends it perfectly for use with foodstuffs and in the medical and pharmaceutical sectors.
Polycarbonate – Is highly suited to high protection situations, interior and exterior. Machine guards, vehicle safety screens, Impact guards, Security windows.
Acrylic (Perspex) – Well known for its display preferences. Photo framing, retail display, decorative lighting, lenses, low impact shields, signs and signage, trophies and awards, decorations and jewellery.
PVC Is also commonly used for very similar instances to Acrylic but does not retain the same clarity over time. Signage, fume cabinets, industrial applications, point of sale and finally poster covers.

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Machine Guards are most commonly made from Polycarbonate, PETG, Acrylic or Clear PVC.

The close tolerance machinability, transparency and sheer toughness of Polycarbonate make it the ideal material for machine guards. Polycarbonate is available in both general purpose and FDA grades when food contact is a concern. Polycarbonate is also inherently self-extinguishing and can carry a V-0 flame test rating. PETG guards can also be FDA approved and when chemical resistance is a priority.

Clear is the dominant color, but, all of the materials listed above are also available in varying grades of smoke/grey/bronze shades if that is desired.

Plastic Fabricators – Fabricating PETG Guards and Covers.

Experienced Plastic Fabricators

Plastic Machining | Milling | Routing | Turning | Fabrication

Certainly, The company has been involved in plastic Fabrication for over the years. Hence, with great pride, class themselves as very experienced Plastic Fabricators and machinists. Moreover, Sentinel Plastics skilled team also have many years experience under their belts, individually Plastic Fabricators. Thus, giving us the ability to manufacture parts from simple to highly complex shapes, to high quality standards. Our customers are happy in knowing, we have highly experienced staff with up to date fabrication capabilities.

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Its important to note, our Plastic Fabrication services are available on the vast range of Engineering and Insulation plastics in today’s market. Notably, nothing is subcontracted, everything is purely in-house plastic fabrication. A diverse range of plastic shapes can be produced by our experienced plastic fabricators, sometimes, if required, with a rapid delivery. Recognised reliably as specialised Plastic fabricators, in Perspex acrylic, PETG and polycarbonate. As well as, many more types of engineering plastic materials from PVC, Polypropylene, polyethylene to ABS.

Also relevant, and on the same site, is that Sentinel Plastics Ltd offers a comprehensive machine shop to manufacture components and parts to your exact requirements. While most Companies Plastic Fabricators can concentrate on specific types of plastics, or methods of manufacture. Sentinel is one of those unique Companies Machining & fabricating plastic parts in all plastics and using a variation of methods.

Plastic Line Bending

Without doubt, Sentinel Plastics fabrication capabilities takes many forms. These forms fall into many and varied material brackets. While being able to Weld and bend Polypropylene, PVC and Polycarbonate. Adhesives and Folding/ Plastic Line Bending other materials such as Perspex, ABS, PVC and PETG. Assembly also takes place, with fixings or adhesives of Polycarbonate, PETG, Polypropylene and PVC. Capabilities include, plastic bending, combined with skills which have been developed through many years of experience. Hence, our experienced Plastic Fabricators Division can cut, bend, glue, weld, saw, route, assemble, and polish just about any type of polymer to create virtually any product.

Experienced Plastic Fabricators of Plastic Guards

Bespoke projects require extra attention. Our technical knowledge and innovative processes are there to assist all the way from concept and design through to manufacture. Be it simple Perspex panels or polycarbonate machine guards through to complex plastic fabrication. Through pride and dedication, Sentinel is a respected manufacturer of high-quality Guards, Screens, fabricated components, all used in a wide variety of industries.

Reliable Supplier

We are a reliable manufacturer of high-quality Customer Specification Parts, which includes covers and shrouds. Plus, many more variations of machined and fabricated components used in a wide variety of industries.

In Summary

To conclude, our emphasis is on the importance of offering a comprehensive one stop shop. Able to manufacture components and parts to customers exacting requirements. So, unlike most others, only Machining specific Plastics, Sentinel’s comprehensive knowledge on all types of plastic methods of manufacture.

Finally, here at Sentinel Plastics Ltd we are versatile and very experienced plastic fabricators. Why not call us, for any requirements we aim to be as helpful as possible. When molding or extruding is not a viable option, then we can help!

Call us on 01384 633082.

Or email us at sales@sentinelplastics.co.uk

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Polycarbonate Machining

Plastic Machining | Milling | Routing | Turning | Fabrication

Without doubt, Sentinel leads the field when it comes to polycarbonate machining experience and ability. Hencet, at any one time, all Five, of our 3Mx2M CNC Routers. can be machining Polycarbonate sheet ( Makrolon – Lexan ).

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Polycarbonate Routing - Polycarbonate Machining

CNC Routing Polycarbonate -Lexan -Makrolon

Makrolon – Lexan- Polycarbonate

Polycarbonate Machining - Polycarbonate Machined Parts

Polycarbonate Machining -Lexan -Makrolon

Ultimately, with its high transparency and smooth surface, Clear Polycarbonate Machining is an attractive material for a wide range of applications. Thus, offering extreme impact resistance, even at temperatures down to -100°C.importantly. Which, unlike Acrylic, which requires heat to form, Polycarbonate sheets can be CNC Routed and cold-bent.

So, notably, as a company, Sentinel Plastics has become synonymous with Polycarbonate machining and fabrication. Also, importantly, Polycarbonate is the most popular choice of plastic. Certainly, when it comes to a requirement of strength and ultimately safety. Furthermore, while in its sheet form, it is extremely impact resistant. Further, interior applications, up to 6 mm thickness Polycarbonate has a B1 fire protection for classification.

Polycarbonate Applications:

Firstly, many parts manufactured by Polycarbonate machining, are guards, screens and covers. Also. Glazing for commercial business and factories. Plus, Safety doors. Certainly, high usage for sneeze guards, make it a popular material. Further, widely used for Industrial vehicles and Lamp covers. Also, where a high level of heat is generated, being highly fire-resistant, versions exist for the use in Switch cubicles, electrical equipment.
Furthermore, other uses for Polycarbonate are Trade fair structures and Public buildings. Certainly, within the Industry, the clear plastic of choice is Polycarbonate. Hence, its popularity and wide use as safety guards.

In addition, UV coating can be applied to the surface of the smooth or textured polycarbonate sheets. Solid sheets moreover, retain their shine with no yellowing, nor change of color. Also, the positive effect in applying a protective coating, is that, you are increasing the resistance to long-term weathering. Thus, provides a long service life.

Polycarbonate Machining – Parts Available in:

Moreover, Polycarbonate, available in Transparent clear and white translucent. Also, available in bronze, grey, green, blue.

Available grades: Polycarbonate Machining

1: Polycarbonate sheet / FG food grade
2: Solid polycarbonate sheet / FR flame retardant
3: polycarbonate sheet / NR non reflective
4: Outstanding through reinforced UV protection.

Noteworthy, Some information gathered from Bayer. Read more here https://www.bayersheeteurope.com/50/Products/Makrolon.htm

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TALK TO OUR EXPERTS About Sheet Polycarbonate Machining

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