So, you need a plasma cutter with a blow-back start to keep the interference down and not interfere with the electronics. First I want to thank my subs for the 10k milestone we hit a couple days ago, I hope to provide more and better quality content for you guys. Along with the shield cup and nozzle, these are the most important pieces to watch for cutting quality. 931 0 obj <>/Filter/FlateDecode/ID[]/Index[915 30]/Info 914 0 R/Length 80/Prev 401961/Root 916 0 R/Size 945/Type/XRef/W[1 2 1]>>stream With many plasma cutters, the air supply controls the air pressure, and it is not always easy to see or adjust. On the individual product webpage, you can sign up for the waitlist, and you will receive an email when it is back in stock. The Primeweld cut 60 Is CNC ready, has a CNC port in the back with the card installed. All other components are covered bythe warranty and will be repaired or replaced at the discretion of PrimeWeld. Fix the connecting shelf with screw as the regulator position. Our copper electrodes are made with hafnium inserts and electroplated to a highly polished finish. You could probably go thicker, but the speed at which you would need to cut would be rather slow. PIERCE DELAY,0 STANDOFF /SHIM,0.06 In particular, if you do repetitive or production work and want to interface your plasma cutter with a CNC table, this plasma cutter brings smaller shops a decided advantage. Plasma cutters that start the arc with high-frequency technology can interfere with digital electronics such as computers and cell phones, meaning welders cant use them with a computer-controlled CNC plasma cutting table. This 60 amp plasma cutter solves that problem with a blowback pilot torch. Since the Primeweld CUT60 comes with a CNC port, it is no surprise it also uses a blow-back start. Thanks. However, to use a plasma cutter, the unit needs to interface with the CNC. In general, once you get near or over 1/2 inch, you need to crank the air up, and you will be moving pretty slow. Plasma cutters that start the arc with high-frequency technology can interfere with digital electronics such as computers and cell phones, meaning welders can't use them with a computer-controlled CNC plasma cutting table. The problem is its maximum cutting power is reduced to a mere 20 amps and the maximum cutting capacity is also reduced to steel, which is a bit disappointing. If you do not need the CNC port, it may be worth it to shop around a little. It's ideal for basic welding needs in shops, job sites or homes. Some similarly-priced brands feature a separate wire to operate the pilot arc feature which tends to fail over time. Subtotal $0. We hope youve enjoyed this review of the PrimeWeld CUT60 plasma cutter! The machine automatically detects the input voltage when plugged in. Most Plasma cutters under $1000 in this price range have good performance, but are built cheaply. It is not the cheapest plasma cutter, but it is also not the most expensive. Primeweld includes the pigtail adapter needed to convert your 220V plug to a standard 110V plug, so no additional purchase is necessary. This is a great plasma cutter for light professionals or serious weekend warriors. LEAD IN,0 TIP / ELECTRODE,30 amp (unshielded) Avoid operating with the sun directly on the unit as this will increase the inside temperature and decrease the duty cycle. It cut it without any issues, but 1/4 is the maximum thickness you would want to cut on 110V. The polarity and wire coloring is not important. engage customers. When cutting thinner material, up to 2 to 3 mm, you can drag tip the torch and the cutting tip can touch the material as you cut. This removes the need to manually hold the torch at the right distance and gives you a clean, steady, and consistent cut every time. So, if you cut thicker metal regularly, you may want a unit that cuts in one pass better on the thick stock. It comes with the IPT 60 torch and can be gotten with a PTM 60 torch if needed. THICKNESS,0.125 Plus, the CUT65DS only weighs 21.75 lbs. ck3100. 1.6 The CUT 60 has an internal fan to cool the high power electronics and the entry and exit You need to replace electrodes and nozzles together in a single maintenance session. This 20-piece kit of 60 amp plasma cutter consumables has the parts needed for the proper maintenance of your CUT60 Dual Voltage 110v/220v 60-Amp Plasma Cutter plasma torch as the nozzle wears from use. Plus, it easily cuts tight curves and odd shapes and works with a variety of metals. Welding Transfer Modes: Spray, Global & Short Circuiting. If the ground is bad, problems will arise with poor cutting quality and loss of cutting arc. Related: Top Rated Plasma Cutters Overall. Parrot CK3100 www.hsdvehiclediagnostics.co.uk. Before we get into the pros and cons of this device, lets first discuss who Primeweld actually are, and why you should consider the Cut60 in the first place. Once you use a machine with pilot arc youll never want to go back as it really changes the way you cut. Note these will only fit the PrimeWeld CUT60 Dual Voltage 110v/220v 60-Amp Plasma Cutter model. Welcome to our review of the PrimeWeld Cut60 plasma cutter! Tax and shipping will be calculated at checkout. Despite the minor flaws listed above, its a consistent, reliable, high powered plasma cutter that does the job time and time again. The remaining features are quite similar. extension cord, so even though I have not measured the working in-rush current, the assumption is that it does not exceed 20 amps. Do not buy these for any other PrimeWeld model. The CUT60 Dual Voltage 110v/220v Plasma Cutter comes with a PT60 blowback cutting torch. Fabricationguy.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. PrimeWeld's CUT60 Dual Voltage 110v/220v 60 Amp Plasma Cutter brings plenty of fabrication power to your shop. This not only gives better consumable life, but it also increases the cut quality. One of their most popular plasma cutters is the CUT60. Yes! The Blow Back Start technology also helps prolong the lifespan of your consumables as it enables the unit to deal with any blowback when starting a cut. This welding helmet is trash and you can simply throw it away when your machine arrives. PSI @TORCH,75 (set air) Plasma Cutter Standoff Guides attach to your plasma cutter torch tip and act as a guide to keep the torch tip at the ideal distance from the metal youre cutting. endstream endobj startxref This unit is heavier at 45 lbs. The power cord is quite short and limits your activity especially outdoors. 60 amps is a sufficient amount of power for 99% of plasma cutter users. The Primeweld CUT60 plasma cutter comes with: The Continuous Pilot Arc feature enablesyou to start your cutting arc without touching the tip of your torch to the metal which is especially useful when working on expanded, painted, orrusted metals. Warranty Periods are listedbelow, along with the products covered during those warranty periods: 3-Year Warranty on Material, Workmanship, and Defects: Applies to all PRIMEWELD products All parts, labor, shipping to and fromPrimeWeld based in New Jersey will be covered by PrimeWeld. So, you can move it if you need to, but it is not as easy as with the Yeswelder CUT65DS. Amazon Advertising. %PDF-1.5 % Copyright 2023, PrimeWeld - All Rights Reserved, CUT60 Dual Voltage 110v/220v 60-Amp Plasma Cutter, 520 x 265 x 420 mm / 20.47 x 10.43 x 16.54 inches. The Cut60 really hits the sweet spot for functionality, features, design and build quality. Plasma cutting tips can be easily damaged if the tip makes contact with the weld surface. PrimeWeld offers a no-hassle 3-year warranty. The Cut60 features an all-in-one Euro connection that is easily connected to it, making it not only easily assembled but reduces the likelihood of breakage. Primeweld Cut60 This is my first plasma cutter and I am quite impressed. A unique safety feature of the pilot arc is that it will stop the torch from cutting when it reaches a gap in the metal, then it will start cutting again when it reaches the next solid surface. When running this machine on 110v expect themax cutting power to be reduced to 20 amps and the max cutting capacity to be reduced to 1/4 inch steel. Also, the Primeweld CUT60 works with a CNC plasma cutting table for repeated runs of precision-cut parts or complex artwork. The 2T/4T control found on the CUT60 is included, as well as the blow-back start and dual voltage input options. Here you can find product manuals for all the welding machines and equipment that PrimeWeld sells. KERF,90 omg nails lexington sc ok google set an alarm for 5 minutes sonyalpharumors. Today were going to break down why this machine is a great fit for many fabricators. We cannot do this without YOU!This video is about PrimeWeld Cut 60 Plasma Cutter As a bonus, the CUT60 price is competitive. PrimeWeld warrants to the end user (purchaser) of all new branded machines and accessories (collectively called the products) that each will be free of defects in workmanship andmaterial. This is great for cutting rusty or painted steel were direct contact can be difficult to have. Yeswelder TIG-225P Review Is It Worth It? You can 10% off the Yeswelder Store using: WELDGURU10. The CUT60 uses a Tecmo IPT60 torch. Find answers to questions we often get from welders. These CUT60 accessories restore any IPT60 torch to maximize cutting precision, efficiency, and power. Pull When MIG Welding Which is Right? No matter what I tried the darn thing would not even cut 1/2 in material Today I installed new tips from George's Plasma and finally got it to work well! Disclaimer: Weldguru.com is based on information from multiple sources, including AWS Handbooks, U.S. Army Operator Circulars, O.S.H.A and our own first-hand experience with welding. Please refer to the air pressure setting in the manual on page 24. The Primeweld CUT60 is compact, lightweight, and features a mounted carry handle for convenient transport. Model CUT-20D CUT-30D CUT-40D CUT-50D Power supply voltage 1-ph AC 110v or 220v10% V Power frequency 50~60HZ 50~60 Hz 50~60 Hz 50~60 Hz Power supply capacity 1.8KVA 3.3 kVA 4.7 kVA 6.0 kVA It cut from 1/4 to 3/4 no problem and the cuts looked great. If you are into metalworking, you want high-quality performance from your plasma cutter. and only runs on 220V. There seems to be a very small difference in the threads on this IPT-60 torch included with the Primeweld CUT60. He has always been interested in welding from an early age and has the cuts and bruises to prove it as he set out to work with a variety of metals. So, be sure to identify your needs first, then match those with the plasma cutter that works in your shop. In my opinion you can't find a better deal on a plasma cutter. Recommended compressor capacity 5cfm @ 80 psi, 20 gallon tank. Jeff Grill hails from Long Island, a 118 mile stretch of land that starts just off the coast of Manhattan and stretches deep into the Atlantic ocean. Dual voltage capacity permits the device to move directly on 110V or 220V 50/60 Hz power. But this mesh mode feature allows you to easily cut mesh or perforated metal with the PrimeWeld CUT60 plasma cutter. Primeweld Cut 60 plasma cutter ( Dual voltage 110v or 220) AM Custom fab 17.9K subscribers Subscribe 34K views 2 years ago In This video I give a full review on the prime weld cut 60 plasma. STANDOFF /SHIM,0.06 This cutter has a dual voltage capability that allows you to switch from a 220V at 60 amps to a standard 110V at 20 amps. When using a CNC, the HF start on many plasma cutters is a problem. Pilot Arc also helps preserve the life on your torch consumables because your machine it not dealing with a ton of blow back upon initiating a cut. Find helpful customer reviews and review ratings for PRIMEWELD CUT60 60Amp Non-Touch Pilot Arc PT60 Torch Plasma Cutter 110V/220V Dual Voltage 3 Year Warranty at Amazon.com. Use coupon code cm73 https://www.hotshotsecret.com/cm73/ Amazon. IPM,50 Also, it will not cut metal over 5/8 inches in one pass. First, since the 225x is a DV machine the power cord is about the same size and gauge as a heavy duty 12ga. Copyright 2023, PrimeWeld - All Rights Reserved. 1.4 Do not use the CUT60 in a dusty atmosphere or one containing a corrosive or explosive gas. The plasma cutter can perform in temperatures between -10 and +40 degrees centigrade with a maximum dampness level of 80%. Firmly tight and seal the copper air hole at IN and OUT terminal . There is one simple truth when doing metal fabrication work. You get both an air gauge and air adjustment dial on the control panel. Find many great new & used options and get the best deals for For PrimeWeld CUT60 Electrode Tip Cup Cutting Electrode Parts Shield Cap at the best online prices at eBay! Schneideelektrode Spitzenbecher Verbrauchsmaterialien Kit fr PrimeWeld CUT60 Plasmaschneider Teil | Business & Industrial, CNC, Metalworking & Manufacturing, Welding & Soldering Equipment | eBay! It does not matter which blade connector gets plugged into which T-tap connector. PrimeWeld Plasma Cutter Standoff Guides give you more control of your plasma torch by keeping the torch tip at an ideal distance from the weld surface. 4 Likes timtiminy May 6, 2020, 9:36pm #2 $299.00 CNC Torch UPM 105 Fits Hypertherm Consumables . The upgraded "sewing machine" style pedal is standard with every Primeweld TIG 225 Dual voltage input Switching from 220v to 110v is a breeze with the supplied pigtail adapter. 915 0 obj <> endobj The first sign that your electrode and nozzle need changing is the loss of precision from the enlargement of the hole in the nozzle. LEAD OUT,0 It comes with a standard 3-pole 240 power cord and an adapter to plug into 120 volts. On the downside, the torch lead is only 13 feet long. * Click here to learn more. The user manual now has settings up to 3/4 inch, which seems to be in line with user experiences. The consumables are reasonably priced and work well. No other manufacture has a dual voltage machine with this much power. It does cut well. PRIMEWELD CUT 60 CUT CHART Sheet1 PRIMEWELD CUT 60 CUT CHART MATERIAL,aluminum 5052 GAUGE,11 THICKNESS,0.125 TIP / ELECTRODE,30 amp (unshielded) AMPS,30 PSI @TORCH,75 (set air) STANDOFF /SHIM,0.06 IPM,50 KERF,90 LEAD IN,0 LEAD OUT,0 PIERCE DELAY,0 TOP DROSS,none BOTTOM. In the past, this stop/start cycle made grinders and oxy-fuel torches your best choice to cut things like mesh or expanded metal. This mode lets you make the long cut without holding the trigger the whole time. You routinely must cut your stock to size before you can weld. Tax and shipping will be calculated at checkout. If you need consumables for your CUT50 Plasma cutter or CT520 Multi-process Series, they can be found here. But keep in mind, this unit is to move around to get it into place for the needed cuts. If youre in the market for a plasma cutter under $1000 the Primeweld CUT60 is one of the most impressive machines for the price coming in right around $700. The Primeweld is actually built better and falls somewhere in the middle (not as tough as Miller/Hypertherm but better than LOTOS). So, if you value portability, the CUT65DS is more compact, lighter, and a better choice. Keep tip away from your body at all times. * Click here to learn more. You want one that cuts cleanly and efficiently and will last as long as possible, delivering value for your money. One in the manual is not bad if youre cutting steel but when you cut aluminum its a completely different ball game dont care what anybody says, Powered by Discourse, best viewed with JavaScript enabled. Yes | Condition: New One thing we really like about the Cut60 is theall in one torch design with a EURO central connection. 2 Likes. It also protects the units plasma system and any other electronic appliances nearby. That being said, you can expect the Primeweld to cut around the same capacity of an American made 45 amp machine (keep in mind most 45 amp USA made machines cost over $2000). It is not a replacement for manufacturers directions and is only to provide reminders for experienced welders. Adjust the air (gas) pressure and set to between 55 to 75 psi. GED*jkzg8-1*'fzFzOv|uNt2U%Uq-qtO1i]wM.a;#cgE%Xcf 6( R@&DGneHwNpjP2%* >)6. It is covered by a 3-year warranty, and Primewelds after-sales and customer service are available 7 days a week to help you. Push vs. Instructions: Locate the torch firing cable that was provided with your machine and connect the blade connectors to the T-Tap connectors. This website is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon properties. They also have excellent USA-based customer service, which we really appreciate. There are a few things you need to know in advance of handing over your money for the Primeweld CUT60. The Tecmo CNC Torch is compatible with the PrimeWeld CUT60 and includes a 25-foot cable with Euro central connection. PSI @TORCH,75 (set air) PrimeWeld Plasma Cutter Standoff Guides give you more control of your plasma torch by keeping the torch tip at an ideal distance from the weld surface. If you need help choosing the right accessories for your welding machine, please contact us. Many customers raved about Primewelds customer service, with the majority stating that they went far and beyond any expectations from a product that is ultra-affordable. Checkout Tax and shipping will be calculated at checkout. PIERCE DELAY,0 It is a CNC-ready plasma cutter with outstanding power and excellent cutting capabilities in terms of speed and thickness. The pigtail adapter is included in this package so no additional expense on your part. $19900. These are the consumables for the IPT-60 torch that is included with the Primeweld Cut60. Like every PrimeWeld welding machine, we built the CUT60 Plasma Cutter to withstand the tough conditions found in real-world workplaces. Use affordable, powerful, and high-quality 60 amp plasma cutter for production runs of precision-cut parts and for complex artwork. Primeweld is a company that is based in the USA, but their machines are made overseas. It's the only way to keep its power and maintain precision cuts for the long term. You cant beat the fast, precise work a CNC table can do for reproducing production parts or intricate artwork. Wiring Diagram Parrot Ck3100 - Wiring Diagram Schemas wiringschemas.blogspot.com. Its a great option for those who are experienced with plasma cutting and are ready to invest in a more substantial cutter without going over the top. This removes the need to manually hold the torch at the right distance and gives you a clean, steady, and consistent cut every time. PrimeWelds CUT60 Dual Voltage 110v/220v 60 Amp Plasma Cutter brings plenty of fabrication power to your shop. The unit handles multiple passes well, so that is not an issue. The included manual has a ton of helpful information on getting to know your new machine and how to make proper cuts with it. CUT50D 50A Air Inverter Portable Plasma Cutter Owner's Manual CUT50DP 110v/220v 50-Amp Plasma Cutter Owner's Manual TIG225X AC/DC TIG Welder With Pulse Owner's Manual Thank you for the support! This is nice when doing longer cuts; you will not be constricted and have to stop in the middle of a cut. Tax and shipping will be calculated at checkout. Press the front panel switch to SET AIR position. PRIMEWELD CUT60 (5 out of 5 stars from 179 Reviews) $699.00 Last updated on: 07/02/2023 21:54 Buy now on Amazon PROS The Machine Has A 20 Feet Torch Connection Has A 2T Or 4T Trigger Lock With It No-Touch Arc Feature Is Also Reported With It Works Over Dual Voltage Works With The Process Of Drag Arc Makes Fine And Smooth Cuts Over Metal The Primeweld CUT60 is an interesting option, especially if you intend to use a CNC plasma cutting table. by high pressure rubber tube firmly . Order online at PrimeWeld for fast shipping. If you click this link and make a purchase, we earn a commission at no additional cost to you. PrimeWeld CUT60 Dual Voltage 110v/220v 60-Amp Plasma Cutter $979.95 ADD TO CART 2 Ceriated Tungsten Electrode (GREYWC20) 10 pcs $13.95 PREORDER CUT60 Plasma Cutter Consumables 20-Piece Set $71.95 ADD TO CART MaxCool3000 TIG Welding Water Cooler $558.95 ADD TO CART PrimeWeld Machine Covers $41.94 ADD TO CART TOP DROSS,none Learn more PrimeWeld's Dual Voltage 110v/220v 60 Amp Plasma Cutter brings plenty of fabrication power to your shop. Finally got my. At 20 amps output, this plasma cutter will cut as thin as 22 gauge sheet metal. You may need to purchase a good welding helmet for safety. GAUGE,11 MATERIAL,aluminum 5052 Click here to give us a call at (856) 500-2000. CUT60 INSTALLATION : INSTALLATION : Air regulator installation and operation : 1. We tested theLotos LTP5000D (50 amps)(Made in China)and it had very similar performance andsevered 3/4 steel as well. Find answers to questions we often get from welders. The blowback tends to either be sluggish to start with or even fail on occasion. %%EOF TOP DROSS,none Order welding accessories online at PrimeWeld. There are cheaper and more powerful options in this price range. You will be limited to buying from Primeweld or other specialized shops that sell parts for this torch. This cutter can run on 110V, which is good. PRIMEWELD CUT60 (60Amp) The Primeweld was by far our favorite machine for the price as it had the most cutting power (clean 3/4 inch cuts on mild steel no problem), a great Tecmo IPT60 cutting torch with a 20 ft lead and some of the best cutting quality we have seen in a plasma cutter under $1000. Copyright 2023, PrimeWeld - All Rights Reserved. Sign up and join 10,000+ other learners and get free welding articles and tips sent straight to your inbox. 10+ Free User Manual Template Samples In Word PDF Format - Template Section templatesection.com. So whats wrong with the cut chart in the manual? Is The Primeweld Cut60 Any Good? They know how to troubleshoot every PrimeWeld model for optimum performance. 944 0 obj <>stream PrimeWeld offers a no-hassle 3-year warranty. So, it depends on your needs as to whether or not this is the right plasma cutter for you. Cable Diagram Connection | Parrot CK3100 User Manual | Page 8 / 48 www.manualsdir.com. Even includes the plug for your CNC control cable. If you cut over 1/2 inch often, you may find that you will need multiple passes on many cuts. While not an industrial unit, the Primeweld CUT60 will work well for small to medium-sized shops. So the 20 amp increase in the LOTOS didnt make a whole lot of difference as there was likely some energy lost in the Lotos LTP5000D in one form or another. PRIMEWELD CUT 60 CUT CHART we get a new plasma cutter the primeweld cut60 and I am pumped! PrimeWeld offers a no-hassle 3-year warranty. BOTTOM definitely following this as I have a primeweld cut 60 and just bought a crossfire pro table (on backorder till July). This unit will cut through 1/2" s. PrimeWeld Cut60 $ 675.00 Buy in monthly payments with Affirm on orders over $50. It also focuses the airstream for the removal of slag and less kerf. It only runs on 220V, but it is made to take on the thicker metal, and it cuts up 7/8 inch steel in a single pass. TIP / ELECTRODE,30 amp (unshielded) 325 subscribers today is an odd day. The Cut60 is a great machine that really provides a ton of power, build quality and features for a price that fits a lot of peoples budget. Today we unbox and test out Prime Weld Cut 60 plasma cutter. The Yeswelder CUT65DS can save you a few dollars if you shop around compared to the Primeweld CUT60. Our copper electrodes are made with hafnium inserts and electroplated to a highly polished finish. These standoff guides fit any Tecmo style IPT 40 and IPT 60 Torch, giving you more control for a perfect cut. Primeweld Cut60 60amp Non-Touch Pilot Arc The Cut60 is a great machine that really provides a ton of power, build quality and features for a price that fits a lot of people's budget. Instead of free shipping we will supply free parts at our cost for three years. While lighter and a few dollars less, you do not give up much other than the CNC port. The Cut60 comes with a3 year warrantyand many users have reported great customer service from Primewelds USA based service center. Use coupon code cm73 https://www.hotshotsecret.com/cm73/ Amazon https://amzn.to/30ywAP0PrimeWeld Amazon Store https://amzn.to/3kdN0E4https://primeweld.com/Use Coupon Code CHAD10 https://weldmetalsonline.com/?ref=x0msqabiq79Follow me on Instagram and Twitter: @chad_myers73 Send stuff to this address:2344 Shawnee RDPMB 118Lima, OH 45805 Shop JEGS Here: https://jegs.pxf.io/c/1327218/493929/8482My tools I use!Drill Driver Set https://amzn.to/2JhH6StSubby Impact https://amzn.to/2QRQKPNTorque Wrench https://amzn.to/2R8hXgDOLSA Tools Store https://amzn.to/2ZYskHPMYCHANIC Stores https://amzn.to/2LnS49JCanon camera https://amzn.to/2OdsQdxJOBY 3K tripod https://amzn.to/2qe9eweNeedler Descaler https://amzn.to/2xEfEbM Topside Creeper https://amzn.to/2xgiSSEBed lift https://amzn.to/2Je64ljEvolution saw https://amzn.to/2pxwxkpDewalt grinder https://amzn.to/2CYQ7j4Clamptite Tool https://amzn.to/2NKnQRvIR 3/8 impact https://amzn.to/2QojGgp Dewalt 1/2 impact https://amzn.to/2x8peTB Foam Canon https://amzn.to/2QpE9RSSolder connecters https://amzn.to/2O9leZhPower Prob https://amzn.to/2QbRHjL#3rdgencummins #2ndgencummins #cummins #chadmyers73 #harborfreightDISCLAIMER: This video and description contains affiliate links, which means that if you click on one of the product links, Ill receive a small commission. The Blow Back feature allows the cutter to be used with computer-controlled CNC plasma cutting tables as it does not interfere with digital electronics like cellphones and computers. Welding FAQ | PrimeWeld Frequently Asked Questions Find answers to questions we often get from welders General Welding Shipping & Returns Product Manuals Customer Service General FAQ Check out these general PrimeWeld FAQ's for more information about our warranty, products in stock, and accessories. We were very impressed with the cutting quality of the CUT60 and were blown away by how well it cut 3/4 inch mild steel. georgesplasmacuttershop.com. So, if you do not need the CNC port included on the CUT60, this CUT65DS is a fine option and better if you need a compact light unit. PrimeWeld have been manufacturing welders and plasma cutters for decades. Blowback torches use a buildup of air pressure against the material surface.