Well I return here with more answered questions! This week's ask Fedtech will feature questions that you yourselves have asked in the last week! So prep yourself, sit down, grab a cup of coffee and read on!
First question...
What's the difference between 17-4 stainless steel and 17-7 stainless steel?
That's a great question, typically the two grades just have different nickel content.
Next one, what are the advantages of using abrasive waterjet cutting?
There are some great advantages of abrasive waterjet. First off, you can cut through material up to 12" thick while still maintaining a smooth edge and minimal taper, depending on the material. Not only this, but it can cut hard materials like steel and titanium.
What is the best way to cut "AR" steel?
By "AR" I'm going to assume you mean armor plating, such as AR236, or AR400, AR500, etc. The best way to cut these materials is waterjet cutting. Since they are generally hard materials, it's often cut with abrasive waterjet.
What's the difference between waterjet cutting and laser cutting?
Since we answered this last week (but it's such a common question) I will redirect your answer to my latest discovery. This website now has a 'Cutting Method Assessment' tool that determines which process is best for your particular project. Give it a try, otherwise if you want to see waterjet and laser compared side by side, you can visit Fedtech.com for lots of information comparing the two.
How do I tell if an aluminum part has been laser cut?
Well if it's a matter between life and death, then you may be out of luck. But a general rule of thumb is to laser cut aluminum if it's thin, otherwise we use waterjet cutting for anything over 1/8" thick. You can usually tell what materials are laser cut as well because laser cutting sometimes leaves HAZ's, or a heat trail. You can see the edges where the laser cut, because there may be some discoloration.
How can I cut urethane?
We usually use water-only waterjet cutting for urethane parts.
Is AR500 used as ballistic armor?
Yes, it can be. But I wouldn't call it ballistic armor because it's not that strong. It's more mild, I'd opt to call it abrasion resistant instead.
What are some renewable materials used for waterjet cutting?
I think the question is intending to ask either, what makes waterjet cutting a green option, or what can waterjet cut as far as renewable materials go? I'll answer both. What we consider waterjet cutting green for, is because:
* recycle our abrasive that is used in our cutting process
* recycle our water from our RO systems
* recycle all of our metals
* test our air compressor system plant wide for leaks and reduce air pressure to optimum levels
As far are renewable materials that you can cut with waterjet, this could include bamboo, cork, plastic (polycarbonate, acrylic, nylon, polyethylene, HDPE) or rubber (foam, silicone, urethane, vinyl, neoprene) and more. We also process numerous composites with waterjet this can include glass, ceramics, linoleum, and others.
Well that's all the time that I have for this week. I'll be back next week to answer more questions that you guys send me! Comment on the post or email me at sarahw@fedtech.com and I'll get you some answers!
Have a great week!
Feed Shark
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