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Company details for Paramount Precision Engineering Ltd

Paramount Precision Engineering Ltd

  • 020 (Display number) 020 8949 7766
42 Wellington Crescent
 New Malden Surrey KT3 3NE United Kingdom

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Case Studies - Heat Sink Cover

Case Studies - Heat Sink Cover

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Deep slotted heat sink with multiple faceted faces made to customer supplied 3D model and key point drawing. Manufactured in aluminium 6082T651. We machined 6 components on a DMN650 machining center with a 2 week turnaround.

Job was for an existing blue chip company to which Paramount are a core supplier with a long and well established relationship. The job was competitively quoted for and won based on price and historic performance in quality and delivery. The job was initially being done by a company using a 5 axis machine but Paramount offered a manufacturing solution based on a 3 axis vertical mill with the added assurance of a higher quality of service. This was part of a larger package of work worth in excess of £60k.

Electronic model files were supplied in Step format accessed through a customer FTP portal which is a common project management requirement with many customers. Below can be seen Pro Engineer and EdgeCam screen shots of the programming operation. 

The job lent itself to be manufactured on a 5 axis machine, however, due to the capabilities of the Paramounts in-house CAM system we were able to produce the component on a 3 axis machine with an auxiliary fourth axis. This allowed for the machining of the complex curved surfaces using a bullnose cutter to achieve the correct curved surface in a single setup. The outside shape was machined first and then the slots cut. 

The component was inspected on the CMM using software to give a direct dimensional comparison to the original customer supplied model. With this particular customer we have a process approval for drawing free manufacture which stipulates that machining tolerances must be within +/-0.1mm all around unless otherwise stated on the drawing.

The component was then alocromed and stove enamelled to a Def-Stan using a local approved contractor, a process that was project managed by Paramount for quality assurance.

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About us

Founded in 1948, Paramount Precision Engineering Ltd boasts a storied history in the defence and aerospace sectors, having been involved in the manufacturing of component parts for numerous major military projects.

We maintain strong collaborations with the aerospace and defence industries while also providing an extensive array of subcontracting precision services. The business was acquired by the current owner, Chris Bowman, in 1984, and under his guidance, there has been a continuous commitment to reinvestment in the company's growth and development.

One of our notable strengths lies in our ability to provide a comprehensive manufacturing service, thanks to our expertise in fine limit CNC sheet metal work and CNC machining. We are proficient in handling a range of project requirements, including 3D Solid Modelling for larger blue-chip clients, while also being well-versed in accommodating 2D CAD files and traditional paper drawings

Our Services Include:

CNC Milling
We utilise a total of five advanced, fully-networked Doosan DNM vertical machining centres, complemented by two CNC Bridgeport Series II mills and a conventional Ajax universal mill.

CNC Turning
We provide multi-axis turning with powered tooling based on solid models, electronic files, or traditional paper drawings.

CNC Sheet Metal Work
We provide CNC punching and forming services based on solid models, electronic files, or traditional paper drawings.

CNC Forming
CNC forming is executed using an advanced 7-axis, 80-ton Amada press brake with a length of 2570mm.

CNC Punching
We run a cutting-edge Amada turret punch press with a size of 1270mm x 2500mm, capable of processing 3.2mm thick sheets and achieving a punch rate of 480 hits per minute.

Sheet Metal Fabrication
Our resources encompass TIG, MIG, and 150KAV spot welding capabilities, alongside oxy-acetylene welding capacity, all supported by a specialised 1500mm x 750mm welding table with comprehensive extraction. Additionally, we have a dedicated 2400mm x 1200mm fabrication table in our facilities.

CAD Design
Solidworks

Assembly
We have a spacious assembly zone equipped with an extensive array of bench-top resources and a production line layout suitable for mechanical fixture assembly, as well as the assembly of electrical and electronic components. Our assembly services extend to tasks like labelling, numbering, and overseeing outsourced services like metal finishing.

Our excellent track record in delivering top-notch products, coupled with our ISO 9001 quality certification maintained since 1998, has solidified our standing in the Defence industry as a prominent subcontractor. We've consistently invested in upgrading our machinery, IT infrastructure, and staff development, allowing us to uphold our reputation and provide a superior level of service.

We maintain positive and enduring connections with all of our customers, having nurtured longstanding relationships with most of them. We make it a point to know our clients on a personal level, ensuring a robust and cordial customer service interaction.

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Latest Reviews

Paramount Precision Engineering Ltd

I went to visit Dave Blakley at Paramount with a few rough drawings and ideas. He was quick to point out and rectify several small errors in my design and then together with his team went on to produce a small batch of meticulously engineered parts for me. A first class outfit that exceeded my expectations.

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