About CNC metal punching
About CNC metal punching
CNC punching is a modern sheet metal fabrication process that is carried out by computer-controlled punch press machines.
Punch presses use special rams to create holes or indent forms into sheet metal using dedicated computer software to position the ram.
The speed and efficiency demonstrated by CNC punching machines when manufacturing components with simple dimples, embossments or complex 3D perforated shapes is unrivalled.
Coupled with the ability to create cleanly edged shapes on a wide range and thickness of materials, CNC punch presses are central to the modern sheet metal fabrication industry.
Design details are fed into the punching machine directly from CAD/CAM design software which calculates the most efficient layout to maximise sheet utilisation and select the correct tooling to create the desired components.
The ability to position the metal sheet under the punching head with high precision accuracy affords great flexibility and the efficient processing of sheet metal.
Cluster tool systems can be used to reduce the set-up and tool changing time, improving the cost efficiency of the whole metal punching process.
More about CNC punching
As with all sheet metal fabrication processes within KMF, CNC punching starts with our expert programming and design teams who work with clients to plan product manufacture in detail.
Our design engineers recommend the appropriate processes, machinery and materials as well as suggesting improvements in manufacture or design to enhance product performance and reduce costs.
Meanwhile, our NPI engineers ensure detailed communication throughout production to ensure that cost, quality and completion dates are met while minimising risk and waste.
A product route card informs team members of the fabrication processes to be undertaken and after identifying the correct material, operators load the sheet metal into the punching machine and set the programme.
The loadmaster automatically loads sheet metal on to the punch bed and selects the correct punching tool. Positioned securely below the punch head, the machine punches out perforated shapes, dimples or embossments.
All CNC metal punched products are tested by KMF’s in-process quality inspection teams where laser QC systems measure parts to tolerances within 0.05mm and guarantee repeatable accuracy.
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