Whether you require prototyping or small batch production, our facilities are optimised to meet your needs while upholding the highest standards of quality and reliability. With our dedication to excellence and decades of experience, we ensure that each component meets your specifications with consistency and accuracy. For our CNC production work, the following production criteria needs to be taken into account.
We primarily work with aluminium and engineering plastics. While the grade of aluminium is not strictly specified, we commonly stock 6082. Our engineering plastics include black and white acetal/Delrin, chosen for their rigidity, which is essential for our machining processes. Materials like PTFE are not suitable for our operations.
Our machines are configured to handle two main billet sizes: 100mm x 100mm x 90mm and 150mm x 50mm x 40mm. It’s crucial that parts fit within these billet dimensions for processing. Additionally, the maximum part bounding box size should be smaller than the billet dimensions to facilitate material removal from all sides. However, we can accommodate smaller parts with a range of billet sizes available.
We offer flexibility in part geometry, with machining capabilities spanning 3, 4, or 5 axis movements. This includes both 3 + 2 and full 5 axis simultaneous movements, ensuring versatility in manufacturing complex components.
Accuracy is paramount in our operations. Parts are machined to a standard tolerance of ±0.1mm, unless otherwise specified. If provided with drawings, we strictly adhere to the specified tolerances. We can achieve dimensional tolerances of ±0.05mm, with the exception of holes, which can be machined down to ±0.02mm.
Certain limitations apply to part design. Square internal corners in the XY plane cannot be machined; instead, a radius must be left in these areas. The size of the radius depends on part geometry and accessibility. Keyways are an exception and can be broached, provided there’s an undercut for relief.
Our commitment to quality extends to finishing processes. All parts undergo deburring to eliminate sharp edges and are washed to remove grease and oils, ensuring a clean final product. Additionally, we offer vapour honing and bead blasting services to remove machining marks and improve surface finish. Vapour honing, which includes water in the process, results in a cleaner final product. Plating/anodising services are also available, although these are subcontracted to trusted partners.
Quality assurance is integral to our processes. Parts can be inspected according to customer requirements. As a standard practice, we inspect the first part, last part, and critical dimensions of every tenth part. Inspection reports are available upon request.
While adherence to the above criteria is preferred, we understand that some flexibility may be necessary in part dimensions. We can cater for small increases in these dimensions for batch sizes exceeding 100 parts, however additional robot programming and setup time may be required, which will be factored into the unit pricing.
Customer satisfaction is our priority, by offering great service, great quality and great value.
Contact us on 01763 249760 to discuss your CNC production needs and benefit from our expertise in delivering exceptional results.
Our CNC machining team produce accurate, high quality parts with an excellent finish from our suite of CNC machines. Request a quote for your next prototype part.
Ian Reinemann
Senior CNC Manager
David Brassington
Quality Inspector
Michal Mikolajczyk
CNC Team Leader
Ricky McMillan
CNC Operator / Setter
Dan Summerfield
CNC Programmer
Glenn Watts
CNC Operator / Setter
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