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Manual Tube Bending Vs. CNC Tube Bending

Views:0     Author:Site Editor     Publish Time: 2018-03-19      Origin:Site

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Manual Tube bending: Operator error is a threat when bending tubes manually. Producing quality tube bends depends on the operator’s skill level. Any slip-up will end up in the waste heap.

CNC Tube bendingAutomated CNC tube benders adhere to a computer program that never deviates, as long as your vendor’s operator inputs the correct specifications. Barring a case of fat finger syndrome, you’re getting better accuracy with CNC.

2. Fabrication TIME

Manual Tube bending: Bending Fabrication Capacity is limited when more human work is involved. Sixty parts per hour is a reasonable expectation for a cycle on a manual 10-bend fixture.

CNC Tube bending: Computer automation tube bender provides lightning-fast efficiency: Perks include:

· Quick setup

· Fast changeovers

· Faster throughput

· Shorter cycle times

CNC tube benders can take on larger quantities in a single production step, cutting unnecessary transitions from the manufacturing process.

If that wasn’t enough, CNC tube bending machines produce fewer defects that require time-wasting redos. because they’re more accurate than humans,


Manual Tube bending: Bending a tube manually is very economical up front. Unfortunately, it’s not cost-effective. That said, if you require a short run, manual bending could be worth it

Another expenses that can appear? If your part is complicated and requires a more advanced manual machine, it may require custom tooling.

CNC Tube bending: The assumption of old-school metalworkers is that because it involves fancy machines, CNC tube bending must be super costly.

The efficiency of CNC tube bending machines results in shorter run times, actually saving production costs. Their ability to take on an entire production step also keeps you from taking on the cost of transitions. 

Furthermore, most metal tube bends can be performed by the tube machine and checked afterward by a technician. This process cuts down on labor costs throughout your tube bending project, especially if it’s a high-volume order.


Manual Tube bending: The old-school way is not built for high production rates or repeatability. Hand tube benders are generally suited for tubing that’s 1" or less, although machines exist that can handle 2" pipe, The complexity of steel tube bending and number of bends allowed varies by machine. Operator skill also plays a big part.

CNC Tube bending: In general, This method allows for more intricate metal tube part forming and more versatility. Your vendor can set the tube bend radii to fit your specifications -- every time. The computer interface gives the operator major control over the tube bend.


Manual Tube bending: You can get consistent parts in production since these tube benders often are built to zero-tolerance gauges. But tube accuracy and repeatability depend on the skill of the tool builder and machine operator. You’ll need to employ a vendor who’s got extensive experience in tube bending to get a great part.

CNC Tube bending: The cnc tube bender computers are programmed for a variety of quality assurance protocols and fixes, which they perform automatically. CNC tube bending machines have programmable speeds that optimize the process and eliminate defects. Your vendor can even program them for automatic measuring and springback correction. 

The Conclusion

If you haven’t been using CNC tube bending fabrication services for your tubing projects, ask your manufacturer about this capability.

No matter the method you choose, your product will suffer if you specify the wrong material. Properties such as wall thickness, hardness, and tensile strength can have direct impact on your project’s outcome.

Or your manufacturer may be able to get involved early in the design and prototyping phase to work out the kinks.


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