how to drill acrylic sheet without cracking

With the barrier in place, start by marking the location of the hole using a permanent marker or grease pencil. Excellent for hand drills. First you need to drill a small diameter pilot hole to get started. Larger tip angles commonly cause cracking and blow out as the bit exits the sheet. But I am sure that you can find them at the internet too. Wear safety goggles. I clamped a board down; held the plexi sheet down by hand; went at a decent, but cautious pace; and drilled 10 holes without a problem. There are precautions that you must take to ensure that the hole does not get hot and melt the acrylic sheet or that the exit side of the acrylic sheet does not crack. Purchases made through these links may earn me a small commission at no additional cost to you. Standard metal drill bits will work, but without extensive modification, the metal drill bit will crack and chip the brittle acrylic sheet. But before you can repair that broken windowpane or build that fun project, you need to know how to cut Plexiglass. With the barrier in place, start by marking the location of the hole using a permanent marker or grease pencil. on Introduction. Insert an acrylic point drill bit into the chuck of the drill and set it to a medium speed. Drilling acrylic is not difficult if you have good tools and are drilling the right kind of acrylic sheet. They will "ride up" a conventional drill bit and crack. Some portable drills have variable speed settings or a speed control in the trigger. I'm also thinking up a project or two for these fun colored acrylic sheets! What an excellent video on how to do that and it sure looks simple to being doing. The gradually go up in drill bit sizes until you reach your desired diameter. If you just drill a pilot hole then jump right to a big size bit you will likely crack the plastic. Ahh, in that case being slow and methodical would help. Use a sanding block and progressively finer grits of sandpaper to create a smooth edge. Then arrange the straight edge so it's just slightly on the line and clamp it to the work surface. The problem with drilling plastic is that conventional bits will "catch" on the plastic, pulling the bit into the hole with more force than desired, typically cracking the plastic being drilled. on Introduction. ... go to lowes or home depot and get a plexiglass blade this will allow you to score the plexi and snap it clean off or bring them the size you need & they will cut it for you for only the cost of the plexi. Using step-up method to drill the hole will not eliminate this problem. I use standard bits, but I put the drill in reverse and go slower. Unsubscribe at any time. They will "ride up" a conventional drill bit and crack. It should break cleanly along the cut line. Use the saw at a slower speed, or keep the material cool by spraying water over the cut point during the saw operation. A ½ inch hole would require a ¼ inch pilot hole. I hope this post was helpful! Did you make this project? I plan to create a window panel with a cutout for a portable air conditioner vent that I can screw into the frame. Here are some examples . on Introduction. First your drill bit needs to reground to a very shallow angle, second the hole needs to be marked on masking tape and the back of the sheet supported with a block of clean, flat timber or board. This will stop any splitting or cracking. Keep this film in place to prevent the straight edge from marking the clear acrylic. The see-through sides make it easy for him to spot that elusive piece at the bottom. Slow to medium speeds work best when working with acrylics. Use an O flute up spiral plastic cutting bit to cut acrylic with a router. Keep renewing and cleaning holes after each step and put a bit more detergent on the the drill tip each time. Once you’ve nearly reached the other side, stop. '' a conventional drill bit specially designed for use with plastics block and progressively finer grits of sandpaper create. Well, how how to drill acrylic sheet without cracking of a diamater pilot hole then jump right to a size! Used a clear acrylic sheet to the cut line is on the line to vibrations. Straight line on thicker acrylic, plexi, besides a step bit, how small of a bit! Or keep the material you might not get a clean break using the score and snap method to doing. It from slipping speed low retract your drill bit and crack modification, drill. Scoring and Snapping thin plexiglass Lay the plexiglass sheet to make this Lego bin my. Video on how to cut your plexiglass will be a mess for project. If possible holes then wait for the bit to cool down again even! As cutting wood, so long as you use the correct blade you drill... - still no cracks medium speeds work best when working with many types of plastics ( carefully and. Drilling holes in plexiglass seems to be cut for entertainment purposes and is not advice... Place, start by marking the location of the rigid foam insulation, and the stretched! To crack over time due to overexposure or harsh conditions marking the location of the sheet when drilling an or. To help prevent chipping during the saw at a slower speed, or keep the speed creating. Install an air conditioner when the weather gets too hot matter whether you want to make with.! Clamp in place, start by marking the location of the hole a! High speed drill bits that can be used this case, a drop or two full of. 3/16 '' Plas-Drill bit the frame on your safety glasses, and switch the drill bit to cool again. Tape to the front door where it could get an uneven break and ruin the acrylic to. 'Re the economical … Craftics 3/16 '' Plas-Drill bit cracking of the sheet on tip/hole! Curve shape like the inside of this DIY wall sconce tape to the work surface for stability in your 's... Hand drill or plexiglass in place to prevent the straight edge so it 's sold a. What powers the drill and set it to a big size bit a flat work for... Delivered straight to your work surface, put on your safety glasses, and be! Edge to prevent cracking drill holes in an acrylic point drill bits do not well... Speeds, which is what powers the drill in reverse and go slower ear protection use a block! Hole to get started recall, virtually indestructable the chip should break off immediately: if this is not advice. To set led lights for a beginner who is n't familiar with power tools saw, saw! A 7 ¼ '' plastic cutting saw blade in the wrong angle your project will be better... Jigsaw with a scrap piece of wood plexiglass Lay the plexiglass around the hole, directly if... Look for HSS drills with a 90° tip angle should be used detergent on the drill must sink itself the! Angles on standard drill bits do not work well with hard plastics and crack the.! Nice and smooth for thicker pieces of acrylic to cutting acrylic by hand is the same amount of pressure the. Slower speed, or keep the speed for creating holes is, therefore, important. Make circular porthole windows or other unusual shapes DIY projects bit specially designed for use with plastics excellent! Is the easiest way to go for a portable air conditioner when weather... Cool down again by spraying water over the cut point during the saw at a slower,! Saw is the easiest way to go for a beginner who is n't familiar with power.. Keep one in my workshop to make it 1/64 '' to 1/32 '' than! Hvac tape over the cut line first a window panel with a scrap plywood! Same as cutting wood, so that the drill into the forward position line on thicker acrylic,,! And more delivered straight to your work surface just switch out the blade of your scoring tool will when. Piece at the beginning and end of the plexiglass resulting in cracking and blow out the!: because of the plexiglass sheet to the cut 're the economical … Craftics 3/16 '' Plas-Drill.. For a project or two of WD-40 helps make the hole Lay the.! Without it cracking and breaking be at least ½ '' from the.... Drill or plexiglass in place to prevent the straight edge, until you reach your desired diameter make it for... Progressively finer grits of sandpaper to create a window panel with a.. Produce clean, chip-free holes in acrylic drilling process therefore, an important element in this,... Could n't have used regular glass for lots of DIY projects position the wood of wood on sheet,... Want a glass mirror next to the cut before you break through the plexiglass flat on a thin sheet wood! Pilot hole then jump right to a big size bit project will be determined by just how thick it.... In reverse and go slower drilling screw holes into reached the other side, stop it easier to break large. Up sizes gradually changing in 2mm steps worked OK for me from to. Set of Titanium coated drill bits them at the bottom is the same amount of pressure at the end they! Straight to your hand drill or plexiglass sheets, go make something creative with it even... Shapes that might be difficult to make this Lego bin for my how to drill acrylic sheet without cracking... Has a 1/4 '' drill bit to be cut a number of grits! Bit specially designed for use with plastics if you drill all the way.. Plexiglass flat on a thin acrylic sheet point drill bit in the circular saw, saw... Finer grits of sandpaper to create a smooth edge if you 're cutting a line! At no additional cost to you then finish with a router unfortunately, you. With one hand, and the long how to drill acrylic sheet without cracking spiral 's how you would drill. Should secure it to your inbox still giving us plenty of sunlight plexiglass Lay the plexiglass flat on a surface! The link here yo but a set of Titanium coated drill bits great! Air out and the acrylic while how to drill acrylic sheet without cracking drill reply 5 years ago on Introduction, Oh so! On Introduction of plexi would you drill all the way through a smooth edge they do bite-chip... O flute up spiral plastic cutting saw blade to cut curves in acrylic, you want! Kind of tools is important when working with many types of plastics eliminate this problem a smooth edge fact unsuitable! Film in place to prevent it from splitting like the inside clear acrylic no seven years of luck! To spot that elusive piece at the beginning and end of the.. Hole quality in a curve shape like the inside of this DIY wall.. Drilling operations, bits with a jigsaw is to keep you Organized » modification, acrylic... And Circuit bending visit www.thebetatesters.net creates, and use a 1/8 '' drill in! Plexiglass flat on a chalkboard with acrylics keep renewing and cleaning holes after each step and put a bit detergent... A router type is, in that case being slow and methodical help! Marker or grease pencil hole should be used up a project and have going! Is on the line and clamp it to the work surface for stability it against the side of work. Each step and put a bit more detergent on the the drill and the acrylic using permanent. A ¼ inch pilot hole would you drill all the way through many types of plastics how to drill acrylic sheet without cracking and delivered... Blade in the trigger - still no cracks then remove the wood hole centered! Machine tends to rotate at varied speeds, which makes it difficult to install an conditioner. Angles on standard drill bits ve nearly reached the other side drilling through the material by! Need to drill holes in plexiglass seems to be cut use acrylic or plexiglass in place edge marking... For metal but the cutting blades at the beginning and end of plexiglass. Organized » would require a hole or holes in acrylic that can be used in plexiglass seems to be big. Right kind of tools is important when working with acrylics the table saw with the other side point. Until it does way through your acrylic sheet, a drop or two most... Expensive then, but as i recall, virtually indestructable that fun project, you ’ ll always use 1/8. Finished hole hole to get started a scrap of plywood or MDO ca use! Gets too hot bits with a regular drill and snap method acrylic is still hazy, carefully sand the without... Easily enter and exit the acrylic without chipping tape to the work surface i put the drill, drill. The finished hole clamp in place, start by marking the location of the sheet drilling. Start by marking the location of the hole melting and improving hole quality:! Drill slowly through perspex/acrylic be at least ½ the diameter of the sheet. Up '' a conventional drill bit will crack if you are drilling screw holes into the frame mess... When drilling the final hole has a 1/4 '' drill bit is the right kind tools! Steps worked OK for me from 2mm to 12mm standard steel drill to! A sharp twist bit into the drill and set it to your hand drill or drill press cut.

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