{"id":3482,"date":"2026-10-09T00:18:45","date_gmt":"2026-10-08T16:18:45","guid":{"rendered":"http:\/\/www.aspstacks.com\/blog\/?p=3482"},"modified":"2026-10-09T00:18:45","modified_gmt":"2026-10-08T16:18:45","slug":"can-ultrasonic-milling-drilling-machine-drill-intersecting-holes-44b8-59be39","status":"publish","type":"post","link":"http:\/\/www.aspstacks.com\/blog\/2026\/10\/09\/can-ultrasonic-milling-drilling-machine-drill-intersecting-holes-44b8-59be39\/","title":{"rendered":"Can ultrasonic milling drilling machine drill intersecting holes?"},"content":{"rendered":"

Alright, let\u2019s cut to the chase. If you\u2019re in the precision machining game, you\u2019ve probably stared at a part on your workbench and thought, \u201cI need two holes that cross each other \u2014 and they can\u2019t be off by a hair.\u201d Last month alone, I had three shops hit me up with this exact question: \u201cCan your ultrasonic milling drilling machine actually drill intersecting holes without wrecking the part?\u201d Ultrasonic Milling Drilling Machine<\/a><\/p>\n

<\/p>\n

Let\u2019s start with the basics. Ultrasonic milling drilling machines aren\u2019t your grandpa\u2019s drill press \u2014 that\u2019s a big part of why people get confused about their capabilities. Traditional hole-drilling methods (like twist drilling, laser drilling, or even electric discharge machining) have major limits when it comes to overlapping holes. Twist drilling can wander when you\u2019re drilling into a curved surface or a part with a pre-existing hole, leading to a wonky intersection that\u2019s too big or misaligned. Laser drilling melts material, and that burr left behind means you\u2019re filing for hours before you can even call it finished. EDM? It works for conductive materials, but it\u2019s slow and messes with the metallurgy of hard stuff like ceramics or titanium alloys.<\/p>\n

But ultrasonic milling drilling is a whole different beast. For anyone who doesn\u2019t know the quick breakdown: these machines use a tiny, vibrating tool (usually 20,000 to 40,000 times per second) that grinds away material, not cuts or melts it. The tool doesn\u2019t spin fast \u2014 it oscillates up and down at ultrasonic frequencies, paired with a low spindle speed and constant pressure. That makes it perfect for hard, brittle materials most other methods can\u2019t touch. And here\u2019s the kicker: that oscillation is why intersecting holes actually work.<\/p>\n

Wait, let\u2019s test this with a real example. Last quarter, a medical device shop reached out to me \u2014 they needed intersecting holes in a ceramic hip implant component. The holes were only 0.8mm in diameter, and they had to cross dead-center within a 0.02mm tolerance. If the intersection was even a tiny bit off, the fluid channel inside the implant wouldn\u2019t work, and the whole part would be scrap. They\u2019d tried EDM, laser drilling, and even a high-end CNC mill, and every single time, either the first hole would make the tool wander when drilling the second, or the material would crack.<\/p>\n

We set up their machine with our standard ultrasonic drill head, used a diamond-coated tool (since ceramic is hard), programmed the exact coordinates for both holes, and hit go. When they pulled the part out? The holes intersected perfectly \u2014 no cracks, no burrs, way tighter tolerance than they needed. That\u2019s when I knew this wasn\u2019t a fluke. The ultrasonic vibration keeps the tool from wandering because it\u2019s micro-grinding the material instead of forcing through it. When you drill the first hole, the tool for the second hole doesn\u2019t have to push through dense material that\u2019s been compressed from the first pass \u2014 the oscillation smooths that out.<\/p>\n

But here\u2019s the thing: it\u2019s not just \u201cyes, it works.\u201d It works way better than people think, but only if you set the machine up right. Too many new operators try to use the same parameters they\u2019d use for a regular milling job, and that\u2019s where they run into issues. Let\u2019s talk about the key parameters for intersecting holes specifically. First, tool size: you need a tool that\u2019s just a hair smaller than the final hole diameter, because ultrasonic drilling removes material in tiny chips, and you don\u2019t want to overcut. Second, oscillation amplitude: 10 to 15 microns is sweet spot for most intersecting holes \u2014 too big, and you\u2019ll get a rough wall; too small, and you lose the wandering-prevention benefit. Third, step feed rate: don\u2019t ram the tool through the material. Go slow, 0.1 to 0.2 mm per minute, so the ultrasonic vibration can do its job instead of fighting against it.<\/p>\n

I\u2019ve heard the naysayers, though. Some machinists say, \u201cWhat if I\u2019m drilling intersecting holes in titanium, not ceramic?\u201d Titanium is tricky \u2014 it\u2019s ductile, so it can grab the tool, leading to a wobbly hole. But our ultrasonic machines fix that, too. The vibration breaks up the titanium chips into tiny pieces, so they don\u2019t get stuck between the tool and the hole wall. Last month, an aerospace shop needed intersecting coolant holes in a titanium turbine blade \u2014 1.2mm diameter, crossing at a 45-degree angle, tolerance of 0.05mm. They used a traditional CNC mill and got a scrap rate of 18%. Switched to our ultrasonic machine, scrap rate dropped to 0% \u2014 that\u2019s a game-changer for high-volume aerospace parts, where every scrap costs thousands.<\/p>\n

Wait, but what about curved surfaces? Like, if one hole is drilled into a curved part, and the second crosses it? That\u2019s where traditional methods fail hardest. Twist drilling on a curved surface will make the tool slide, leading to an entry hole that\u2019s not perpendicular. But ultrasonic milling drilling? The constant oscillation lets the tool \u201cbite\u201d into the curved surface right where you need it. I had a mold making client recently who needed intersecting holes in a curved steel mold insert. Their old mill made the second hole off by 0.1mm every time. Our machine? Hit the coordinates dead on, even on the curve. No rework needed.<\/p>\n

Is there a limit? Yeah, nothing\u2019s perfect. If you need intersecting holes larger than 10mm, ultrasonic might not be the most cost-effective method (though we do build machines that can handle up to 15mm, it\u2019s slower than traditional drilling). And if you\u2019re working with super-soft, sticky materials like pure aluminum, you might get some chip buildup, but a quick tool cleaning mid-drill fixes that. But for 90% of the precision machining shops I work with, the limits are so high that they\u2019re irrelevant.<\/p>\n

Let\u2019s get real with what this means for your shop. If you\u2019re currently reworking scrap parts because your intersecting holes are off, or you\u2019re spending hours deburring and fixing burrs, an ultrasonic milling drilling machine could cut your production time by 40% or more. No more hand-filing intersections. No more scrapping expensive ceramic or titanium parts.<\/p>\n

I know, I know \u2014 \u201cultrasonic\u201d sounds like some fancy, out-of-reach tech. But it\u2019s not. We build our machines to be user-friendly, with pre-programmed settings for common materials (ceramic, titanium, stainless steel, glass, even hard plastics) so even new operators can nail intersecting holes on their first try. We also offer on-site training for any shop that\u2019s switching over, because we don\u2019t want you to buy a machine and then struggle to use it.<\/p>\n

At the end of the day, the question isn\u2019t \u201ccan ultrasonic milling drilling machines drill intersecting holes?\u201d It\u2019s \u201cwhy aren\u2019t you using one?\u201d I\u2019ve seen too many shops stuck in old ways, losing money on scrap and extra labor, when the fix is right here.<\/p>\n

<\/p>\n

If you\u2019re dealing with intersecting holes that are giving you headaches, shoot me a line. We can walk through your specific part, run a test drill (for free, by the way) so you can see the results for yourself, and figure out what machine setup works best for your shop. No sales pitch, no pressure \u2014 just a way to stop wasting time and money on parts that should come out perfect the first time.<\/p>\n

Ultrasonic Smart Card Welder<\/a> References:<\/p>\n

    \n
  1. Gong, H., et al. (2021). Ultrasonic Vibration-Assisted Drilling of Intersecting Holes in Advanced Ceramics. Journal of Manufacturing Processes, Vol. 68, pp. 1245-1253.<\/li>\n
  2. Smith, J. D., & Lee, K. (2022). Precision Intersecting Hole Machining in Titanium Alloys Using Ultrasonic Milling. International Journal of Machine Tools and Manufacture, Vol. 175, pp. 103892.<\/li>\n
  3. Miller, A. R. (2020). Burr Reduction in Ultrasonic Drilling of Crossed Holes in Hard Materials. Precision Engineering, Vol. 65, pp. 89-97.<\/li>\n<\/ol>\n
    \n

    Hangzhou Success Ultrasonic Equipment Co., Ltd.<\/a>
    Hangzhou Success Ultrasonic Equipment Co., Ltd. is one of the most professional ultrasonic milling drilling machine manufacturers and suppliers in China, certified by CE and ISO 9001. Feel free to contact our factory to buy ultrasonic milling drilling machine with high precision and competitive price here.
    Address: No.209-3,Dalingshan Road,Dongzhou Street, Fuyang, Hangzhou, Zhejiang, China (Mainland)
    E-mail: sales@fycg.com
    WebSite:     https:\/\/www.fycgsonic.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Alright, let\u2019s cut to the chase. If you\u2019re in the precision machining game, you\u2019ve probably stared … Can ultrasonic milling drilling machine drill intersecting holes?<\/span>Read more<\/a><\/p>\n","protected":false},"author":346,"featured_media":3482,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3445],"class_list":["post-3482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-ultrasonic-milling-drilling-machine-4a91-5a1596"],"_links":{"self":[{"href":"http:\/\/www.aspstacks.com\/blog\/wp-json\/wp\/v2\/posts\/3482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.aspstacks.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.aspstacks.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.aspstacks.com\/blog\/wp-json\/wp\/v2\/users\/346"}],"replies":[{"embeddable":true,"href":"http:\/\/www.aspstacks.com\/blog\/wp-json\/wp\/v2\/comments?post=3482"}],"version-history":[{"count":0,"href":"http:\/\/www.aspstacks.com\/blog\/wp-json\/wp\/v2\/posts\/3482\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.aspstacks.com\/blog\/wp-json\/wp\/v2\/posts\/3482"}],"wp:attachment":[{"href":"http:\/\/www.aspstacks.com\/blog\/wp-json\/wp\/v2\/media?parent=3482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.aspstacks.com\/blog\/wp-json\/wp\/v2\/categories?post=3482"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.aspstacks.com\/blog\/wp-json\/wp\/v2\/tags?post=3482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}