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Amada Miyachi Blog

Material processing solutions for manufacturing – one size does not fit all

Posted by Barbara Kuntz on Tue, Jul 12, 2016 @ 12:30 PM

You heard it here first: there is no single materials processing technology that fits all applications. Manufacturers looking for a robust, production-ready solution must follow a rigorous process to determine the best choice of equipment. There are no short cuts or magic wands – you have to carefully review process feasibility and part design to maximize production reliability. The evaluation must also consider overall system needs.

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Topics: hot bar reflow soldering, Resistance welding, laser marker, laser cutting, laser welding, micro TIG welding

Lasers in manufacturing – 5 trends to keep your eye on

Posted by Geoff Shannon on Tue, Jul 14, 2015 @ 12:30 PM

Laser technology in manufacturing is everywhere, touching our lives in many, invisible ways. For example, lasers are used to cut the material that the airbags in our cars are made of, the glass for our smart phone and tablet screens and the tiny, delicate medical stents used to improve our health and enhance our longevity.  Lasers are used to weld airbag detonators, and the batteries in our handheld mobile devices; to drill engine components for planes; and to mark or engrave all of the above.

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Topics: laser marking, laser cutting, laser micromachining, laser welding

Cutting polymer stents? Green femtosecond lasers offer best cut quality.

Posted by Geoff Shannon on Tue, May 26, 2015 @ 12:30 PM

Recently, I've noticed an increase in the use of polymers for stents and scaffolds in medical device manufacturing, largely because it offers a range of interesting features and applications. The only way to manufacture stents and scaffolds made of these materials, however, is by using a femtosecond (fs) laser, which provides both the necessary cutting capability and cut quality.

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Topics: laser cutting, laser micromachining

Update on ROI for disk femtosecond lasers

Posted by Geoff Shannon on Thu, May 14, 2015 @ 12:45 PM

Just about a year ago, I blogged about the two main benefits of using an ultrashort femtosecond (fs) laser for hypo tube and stent cutting.  Specifically, since the fs laser produces pulses that are shorter than the conduction time for most metals, there is no thermal “fingerprint” left on the part. And, pure ablation rather than melt ejection means the cut requires minimal post processing, even for materials like nitinol. Figure 1 exemplifies this precise cut and finish using the fs laser for a nitinol stent.

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Topics: laser cutting, laser micromachining

Tube cutting with a femtosecond disk laser - ROI in less than a year

Posted by Geoff Shannon on Fri, Feb 07, 2014 @ 12:50 PM

Microsecond fiber and pulsed Nd:YAG lasers have been used successfully for hypo tube and stent cutting for many years. The only downside is that cut parts often require a number of post processing operations, depending on material and part requirements.  These additional manufacturing steps can add significant cost; they also add to the handling logistics burden for what, in many cases, are mechanically delicate parts, not to mention the added problem of having to deal with chemical-based processes and the disposal of hazardous waste.

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Topics: laser cutting, fiber laser welding, fibre laser welding, laser welding, laser tube cutting

Bringing Laser Technology In-House: 6 Simple Steps to Success!

Posted by Geoff Shannon on Tue, Aug 20, 2013 @ 08:00 AM

Once the commercial justification for bringing laser technology in house is complete, new to laser manufacturers may still have some technical concerns.  We’ve recently worked on several very successful collaborations with first-time to laser manufacturers to turn their mountains into mole hills.  Now each system is on the floor in production and everyone is wondering what all the fuss was about.

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Topics: laser marking, laser cutting, laser welding

Fine Laser Cutting: Definition & Capabilities

Posted by Geoff Shannon on Mon, Mar 18, 2013 @ 08:00 AM

Lately, we’ve been doing a lot of talking about laser cutting. Fine laser cutting, that is.  But what, exactly, is ‘fine’ laser cutting?  Fine laser cutting applies to the cutting of metals, such as 300 and 400 series stainless steel, aluminum, nickel, titanium, nitinol and copper less than 0.04” (1.0mm) thick.  In fact, they can be very thin - 0.0005”-0.002” (10-50 microns) - as the laser imparts no physical force on the part during the process.  In addition to the thickness of the part, fine cutting is also defined by cut feature tolerances which can be down to ± 0.0005”. 

Got that?  OK!  Let’s consider a few examples that highlight fine cutting –

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Topics: laser cutting

Innovations on Parade – New Fiber Laser Welder at MD&M West

Posted by Barbara Kuntz on Tue, Feb 12, 2013 @ 03:08 PM

The Medical Design & Manufacturing (MD&M) West exposition and conference is the place to be this week if you want to see the latest innovations in equipment and systems for medical device manufacturing. Despite all the doom and gloom you hear about the manufacturing sector, the medical device industry has been on fire for the last decade, and shows no signs of let up.  Innovations in technology are on the rise as everyone is looking to do things smaller, faster, and more reliably. I like to stroll the aisles looking for what’s 'just out.' If you do too, drop by Miyachi Unitek’s booth - #3051.

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Topics: Resistance welding, laser marking, spot welding, laser marker, laser cutting, fiber laser welding, fibre laser welding, laser tube cutting, micro welding

Laser Tube Cutting: 5 Tips for Successful System Integration

Posted by Geoff Shannon on Thu, Oct 18, 2012 @ 08:00 AM

We’ve spent a lot of time this past year talking about our medical tube cutting capabilities, and, as you might guess, we’ve been getting a lot of calls on the subject. Let me start by saying that successful thin wall metal tube cutting is all about the results: excellent precision, superior edge quality, and tight dimensional tolerances - and so it makes sense that our customers and prospects are concerned about getting the “perfect” laser for the job.  Achieving these precision cuts, however, isn’t all about the laser – it’s more about its successful integration into a complete system.

What exactly does this integration entail?  Well, to start, in addition to the “perfect laser,” each application requires a workstation, focusing optics, assist gas, a motion package with programmable motion, full-featured control software with post processor capability and a user friendly and intuitive interface. Integrators need to develop an entire system in which all of these elements work together to achieve the necessary cut quality, production throughput and minimal downtime.

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Topics: laser cutting, laser tube cutting

Laser welding, marking, cutting? Top 2 safety questions answered!

Posted by Barbara Kuntz on Thu, Sep 13, 2012 @ 09:03 AM
I get a lot of queries on laser safety topics in my role as laser safety officer at Miyachi Unitek, but I would say the two most frequently asked are:
  • What is the difference between a Class 1 and a Class 4 laser, and what are the safety requirements for each?
  • Which laser safety glasses should I use?

These are legitimate concerns, because even small amounts of laser light can result in permanent eye injuries, and higher power lasers can burn the skin as well.  And don't be fooled into thinking that you're safe just because you can't see the laser light - infrared lasers are particularly hazardous, since the eye's "blink reflex" is triggered only by visible light!

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Topics: laser safety, laser marking, laser cutting, laser welding

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