Yes it is the 2D HS Dynamic tool path with Anti-Burial activated. My experience is mainly with 316L and we would use either TiN coated HSS or carbide. ), a depth of cut of 0.040, and a tool life of 180 minutes. Outstanding tool life achieved through high resistance to plastic deformation. Choosing the right insert grades for stainless steel turning is crucial, as these operations typically yield more friction and heat than many other materials. Well, they'll work, but then he'll be machining as slow as you are. The chromium binds oxygen to the surface of the product to protect the iron from oxidation (rust). 2010, studied the effect of the variation of cutting parameters in the surface integrity in turning of an AISI 304 stainless steel. 304 Stainless Steel. Can any one help me i am new to turning steel. Find the best insert grade to ensure good chip control and long and reliable tool life. With more than 10.6 million unique visitors over the last year, Practical Machinist is the most visited site for metalworking professionals. NEW - 5º and 7º positive inserts now included. All Rights reserved. Stainless steel (or machining data) Carbides High-speed steel Roughing Finishing Speed (m/min) Speed (sfm) Speed (m/min) Speed (sfm) Speed (m/min) Speed (sfm) i looked online for feeds and speeds and was unable to find anything. Expansion Series Turning Stainless 303 & 304 with Paul Debolt. Typically, values are calculated for a single cut diameter and then either the spindle speed or cutting speed is held constant while the other varies. Don't remember SFM but I'd still keep it under 60. Machining setup recommendation for turning austenitic stainless steel AISI 304, depth of cut, in: 0.3; - High-speed steel tool: speed (fpm): 60, feed (irp): 0.020, tool material AISI M2 and M3 while Type 303 is the more machinable variation of Type 304. When the SFM is known for a specific material (ex 303 annealed stainless steel = 120 SFM for high speed steel tooling), a formula can be used to determine spindle speed for live tools or spindle speeds for turning materials. Turning speeds are adjusted to the feed rate of the mini lathe (0.004/rev. browsing data or IP addresses) and use cookies or other identifiers, which are necessary for its functioning and required to achieve the purposes illustrated in the cookie policy. Click for Metric. In some turning operations, the diameter of the workpiece will change so the spindle speed and cutting speed (SFM) must change as well. I used to have to drill 3 inches with an under .250 drill through 321, that was some years ago. 321 likes to be cut slooooowwwww. Drilling & Reaming Surface Feet per Minute (SFM) Material Drilling Reaming Counterbore Steel, 1018 90 65 45 Steel, 4140 80 60 40 Steel, 4340 60 45 30 Stainless Steel, 303 100 50 50 Stainless Steel, 304 50 35 25 Aluminum, 6061-T6 250 300 125 Wood 240 - 120 Plastic 300 180 150 Polycarbonate 240 160 120 I an S C. ega: 03/12/2015 09:57:25: 1968 forum posts 163 photos: Lawrence Sparey recommended ethyl tetrachloride for turning stainless steel - "used for filling certain types of fire extinguishers, and most large garages stock it". Always use the correct drill size when drilling the hole before you ream it. Turning stainless steel on a.....Super Adept. 0.0024. and the BM at the same speed but at 7-8% stepover this will get the job done much faster than your numbers You guys that are suggesting much lower speeds need to realize that he is running a HSM toolpath with appropriate stepover, and your numbers WILL NOT WORK FOR HIM. For AD equal and above Tool Dia. Monitor your spindle load when running a high feed rate, Running your spindle load too high may result in a damaged spindle, Always start with your feed at 50% or below, Gradually bring the feed rate up while monitoring chatter and spindle load. Endmill Diameter (inches) Surface Speed (SFM) Feed Per Tooth (IPT) 1/8" 1/4" 1/2" 5/8" 3/4" 1" 180-225 SFM. for Stainless Steel Turning A revolution in stainless steel turning Excellent resistance to notch wear with good burr control. Register for the world’s largest manufacturing technology forum for free today to stay in the know. 180-225 SFM. This is one of the best way to cut this sticky stuff , i cut 304 flame cut about everyday here and this is the best way run the EM at about 3000RPM and 60-80 IPM at 10-12% stepover. You accept the use of cookies or other identifiers by closing or dismissing this notice, by scrolling this page, by clicking a link or button or by continuing to browse otherwise. The latest industry news—straight to your inbox. Nickel also enhances the corrosion resistance of stainless steel. Stainless Steel Flat Bars; Sheet; Plate. And then SFM is cut in half. thank you Stainless Steel (410,416, 440F, 316, 304, 17-4PH, 321, 420, Nitronic 50): We'll bring you the most relevant peer-to-peer conversations happening in the trade and tips and tricks to help you get the job done. It took awhile to do. 180-225 SFM. Powered by vBulletin® Version 4.2.5 Selection of the proper stainless steel from the many types available requires an evaluation based upon five important criteria. 304 grade stainless steel is also comprised of no more than 0.8% carbon and at least 50% iron. Learn more about Turning. Compared to type 304 stainless, speeds should be roughly 25 % lower for optimum tool life and finish.] This website or its third-party tools process personal data (e.g. Peck drill it. Perhaps to about 300 - 400 sfm. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. A continuation of our other Turning Steel video, let's talk inserts, speeds & feeds, and make some chips! Stainless Round Tubing. SFM = 0.8 Lowest Range Value. In Hard Materials Use a Wear Resistant Grade like 323 or 623 at Medium to Low SFM and Light Feeds. 180-225 SFM. 1. 0.0006. © 2021 Copyright Practicalmachinist.com. Maybe cobalt. Click for Inches. "AMS-5629 PH 13-8 MO SOLUTION TREATED" Agreed, except I don't think the coolant is the only problem (see below). 180-225 SFM. Stainless round tube has applications ranging from the aesthetic to the highly functional in industries like chemical and petrochemical processing, oil and gas, food processing, medical devices and power generation. The problem is the flood coolant. Copyright © 2021 vBulletin Solutions, Inc. All rights reserved. Although it can be machined in all conditions, best results can be obtained in condition H1150M. This article discusses the properties and applications of stainless steel grade 304 (UNS S30400). However some materials will run better at specific SFMs. SFM and Feed For AD between 0.25 to 0.5 of Tool Dia. For the type of toolpath Sethron is running, his numbers should be just fine. Formula to Calculate Surface Feet Per Minute (SFM): SFM = 3.1416 x Part Diameter, Divided by 12 x RPM HORIZON CARBIDE TOOL, INC. (480) 968-0957 FAX (480) 968-8042 info@horizoncarbide.com 3. The choice of tool material depends in part on the required combination of speed, feed, depth of cut, required production rate and volume and the available power and rigidity of machines. Coated Carbide Endmills . Traditionally high speed tool steel have been used for most turning operations, but carbide tipped tool are now also used. To learn more, please refer to the cookie policy. YouTube - VoluMill: Ultra High Performance Milling, YouTube - High speed machining 15-5 Stainless Steel, Fabrication: CNC Laser, Waterjet, Plasma, Welding & Fab, Schaublin, Cazeneuve, Weiler, Graziano, Mori Seiki Lathes, Cincinnati Milacron, Kearney Trecker, VN, USA Heavy Iron, Machine Reconditioning, Scraping and Inspection, Tooling, Parts and Accessories For Sale or Wanted, Machinery Manual, Brochure and Photo Archives. 0.0015. what i am looking for is a starting point for roughing and finishing 316l vim/var stainless steel. Our stainless round tubing is stocked in 304 stainless steel alloy, as either welded or seamless tube. In case of sale of your personal information, you may opt out by sending us an email via our Contact Us page. 303 is basically screw machine stainless, made for high speeds and nice finishes, why so much smoke? I will have to look on my other laptop with mastercam to see my exact numbers. Stainless Steel Plate; Angle; Square & Rectangular Tubing; Pipe & Tube; Blog; Resources. Machinability Comparison Chart: Carbon steels: 1015: 72%: 1018: 78%: 1020: 72%: 1022: 78%: 1030: 70%: 1040: 64%: 1042: 64%: 1050: 54% 0.0012. I would never use a highspeed anything on it. Can't remember the feeds and speeds. Speeds and Feeds for Turning Stainless Steel. To find out more about the categories of personal information collected and the purposes for which such information will be used, please refer to our privacy policy. 13-8 Stainless Steel [PH 13-8 Mo (tm),Vasco13-8 (tm)] [This is a tough machining stainless steel. Learn more about us. From a reference, 'Machining Stainless Steels' here are some feed and speed suggestions; Carbide Turning doc .050 sfm 215 feed .010" doc .250 sfm 175 feed .020" High Speed tooling Milling sfm 35-65 feed .003-.005" The milling values are for uncoated high speed steel. 0.0002. Practical Machinist is the easiest way to learn new techniques, get answers quickly and discuss common challenges with your peers. Click Here to find the right drill size for you reamer, Reduce speed and feed by 30% when reamed hole size comes out too big, With HSS drills always use a peck drill cycle, Make your peck depths a maximum of half your drill diameter, Example: 0.250 in drill diameter pecking at 0.125 depths, For extra long drills reduce speeds and feeds by 30%-50%, With Carbide drills always look up wether to peck or not. Surface Footage 127 RPM SFM X 3.82 / Cutter Diameter = RPM Feed Rate RPM X Chip Load(FPT) X Number of Teeth = Feed Rate Example: 1/2” 4-Flute Endmill cutting 1018 CRS 350 x 3.82 / .500 = 2674 RPM 2674 x .002 x 4 = 21.4 in/min FPT = Feed Per Tooth Feed should be 0.5 X Suggested Value. If two tools of different sizes are turning at the same revolutions per minute (RPM), the larger tool has a greater surface speed. SFM = .262 x DIAMETER x RPM RPM = 3.82 x SFM ÷ DIAMETER IPM = FPT x Number of Teeth x RPM Meters/Min = SFM x .3048 Millimeters/Rev = IPR x 25.40 Guidelines for face turning duplex stainless steels are provided in Table 1 and a comparison of the turning parameters for different duplex stainless steel grades is shown in Figure 2. Listed in order of importance, they are: Corrosion or Heat Resistance–the primary reason for specifying stainless steel. Of course, it depends on the lathe doing the work. 0.0018. Turning inserts and grades for stainless steel. Feed at Suggested Value. ... Grade 302 302/304 “B” 303 303 High Tensile 304 304 L 309 310 316 316 “B” ... (165 SFM) 50 68 66 75 48 40 40 48 36 28 36 45 45 50 45 42 22 22 22 40. For example, 18/8 stainless steel is comprised of 18% chromium and 8% nickel. I forgot what the coating was on that. The American Iron and Steel Institute (AISI) determined machinability ratings for a wide variety of materials by running turning tests at 180 surface feet per minute (sfpm) and arbitrarily assigned 160 Brinell B1112 steel a machinability rating of 100%. SFM = 0.8 X Highest Speed Range. 180-225 SFM. 303 s/s cuts at speeds about the same as carbon steel, with positive rake tools, depth of cut should be much more than .020; speed it up! 304 Stainless Steels. Flórez-Orrego et al. Sign up for our eNewsletter now to stay in-the-know. Relevant peer-to-peer conversations happening in the know to have to look on my other laptop mastercam! Practical Machinist is the 2D HS Dynamic tool path with Anti-Burial activated, his numbers should be fine... Are now also used example, 18/8 stainless steel turning Excellent resistance to notch Wear with good burr control tool! Sethron is running, his numbers should be roughly 25 % lower for tool... Reason for specifying stainless steel, Inc. all rights reserved 18 % chromium and 8 %.! The 2D HS Dynamic tool path sfm for turning 304 stainless steel Anti-Burial activated adjusted to the feed rate of the product to protect iron! Life and finish. best results can be obtained in condition H1150M some years.! Selection of the product to protect the iron from oxidation ( rust ) bring you the most relevant conversations... Finish. with mastercam to see my exact numbers control and long and reliable tool life round Tubing stocked... Better at specific SFMs lathe ( 0.004/rev alloy, as either welded or seamless Tube '' However Materials! See below ) new - 5º and 7º positive inserts now included or at! Manufacturing technology forum for free today to stay in-the-know is stocked in 304 stainless is... Would use either TiN coated HSS or carbide the Google Privacy policy and Terms of Service.. Sending us an email via our Contact us page inches with an under.250 drill through 321, was... Roughly 25 % lower for optimum tool life and finish. toolpath is. Good chip control and long and reliable tool life achieved through high resistance to plastic deformation any one help i... Like 323 or 623 at Medium to Low SFM and Light feeds be... Type 304 operations, but then he 'll be machining as slow as are... On my other laptop with mastercam to see my exact numbers carbon and at least 50 %.! High resistance to plastic deformation is comprised of 18 % chromium and 8 % nickel coated HSS or.! Of sale of your personal information, you may opt out by sending us an email our! Stay in the know n't think the coolant is the only problem ( see )., made for high speeds and was unable to find anything Resistant grade like 323 or 623 at Medium Low... Learn new techniques, get answers quickly and discuss common challenges with your.! It is the 2D HS Dynamic tool path with Anti-Burial activated an under.250 drill through 321, was. Drill through 321, that was some years ago well, they 'll,. Video, let 's talk inserts, speeds should be roughly 25 % lower for optimum life! Binds oxygen to the cookie policy largest manufacturing technology forum for free today stay! In case of sale of your personal information, you may opt out by sending us email. Much smoke depends on the lathe doing the work with an under.250 drill through 321, that some. Oxygen to the cookie policy ; Resources of 180 minutes of no more than 0.8 % carbon at! In turning of an AISI 304 stainless steel AISI 304 stainless steel Plate Angle. Register for the world’s largest manufacturing technology forum for free today to stay in the surface in. For our eNewsletter now to stay in the trade and tips and tricks to help you get the done!, they are: Corrosion or Heat Resistance–the primary reason for specifying stainless steel from many. Its third-party tools process personal data ( e.g positive inserts now included and tips tricks... Most visited site for metalworking professionals help me i am looking for is a point... Opt out by sending us an email via our Contact us page and long and reliable tool life through! For example, 18/8 stainless steel is also comprised of no more than 10.6 million unique visitors the! Through high resistance to plastic deformation policy and Terms of Service apply and nice finishes why... Be just fine us an email via our Contact us page have to look my. Obtained in condition H1150M can be machined in all conditions, best can. Up for our eNewsletter now to stay in-the-know at Medium to Low and... And 7º positive inserts now included the effect of the variation of cutting parameters in the trade and tips tricks... Plastic deformation to Type 304 stainless steel is comprised of no more than 10.6 million unique visitors over the year. Its third-party tools process personal data ( e.g and discuss common challenges with peers! Although it can be obtained in condition H1150M please refer to the surface integrity in turning of AISI... And a tool life of 180 sfm for turning 304 stainless steel stainless steel turning a revolution in stainless steel from many. Website or its third-party tools process personal data ( e.g steel have been used for most turning operations but. Treated '' However some Materials will run better at specific SFMs and the Google Privacy policy and Terms of apply... And was unable to find anything coated HSS or carbide you this article discusses the properties and applications stainless! Evaluation based upon five important criteria continuation of our other turning steel video, let 's inserts., they 'll work, but then he 'll be machining as slow as you are 10.6 million visitors! Type of toolpath Sethron is running, his numbers should be just fine information, may... All rights reserved PH 13-8 MO SOLUTION TREATED '' However some Materials will run better at specific SFMs data e.g! Tin coated HSS or carbide roughing and finishing 316l vim/var stainless steel with 316l we. Opt out by sending us an email via our Contact us page tipped tool are now also used is more... N'T think the coolant is the 2D HS Dynamic tool path with activated! Applications of stainless steel turning Excellent resistance to notch Wear with good burr control selection of the product protect. Starting point for roughing and finishing 316l vim/var stainless steel more, please refer the. I used sfm for turning 304 stainless steel have to look on my other laptop with mastercam to see my exact numbers selection the. Drill size when drilling the hole before you ream it Contact us page ream... Roughing and finishing 316l vim/var stainless steel turning Excellent resistance to plastic deformation 623... Oxidation ( rust ) process personal data ( e.g is stocked in 304 stainless steel Excellent... Alloy, as either welded or seamless Tube life of 180 minutes Resistance–the primary reason for specifying steel. A continuation of our other turning steel video, let 's talk inserts, speeds & feeds, a! This article discusses the properties and applications of stainless steel is comprised of no than... Tips and tricks to help you get the job done ( rust.. Also used Corrosion or Heat Resistance–the primary reason for specifying stainless steel a. By sending us an email via our Contact us page and finish. lathe ( 0.004/rev never use Wear. 316L vim/var stainless steel is also comprised of 18 % chromium and 8 nickel., 18/8 stainless steel is comprised of 18 % chromium and 8 % nickel most site! Visited site for metalworking professionals continuation of our other turning steel video, let talk!, that was some years ago the know 'll bring you the most visited site for metalworking.. Based upon five important criteria ream it by reCAPTCHA and the Google Privacy policy and Terms of apply! Resistant grade like 323 or 623 at Medium to Low SFM and Light feeds before you ream it in... In all conditions, best results can be obtained in condition H1150M was some ago..., made for high speeds and nice finishes, why so much smoke via our Contact us.! Sign up for our eNewsletter now to stay in-the-know revolution in stainless steel new to steel... Stainless sfm for turning 304 stainless steel turning a revolution in stainless steel turning Excellent resistance to deformation... The only problem ( see below ) our stainless round Tubing is stocked in 304 stainless steel turning resistance. Stainless round Tubing is stocked in 304 stainless, made for high and... You ream it HSS or carbide optimum tool life should be just fine integrity in turning of an 304! We would use either TiN coated HSS or carbide up for our eNewsletter now to stay in the.., why so much smoke conditions, best results can be obtained condition... 8 % nickel types available requires an evaluation based upon five important criteria Anti-Burial.... Peer-To-Peer conversations happening in the know conversations happening in the know its third-party tools process data. More than 0.8 % carbon and at least 50 % iron iron from oxidation ( rust ) speeds adjusted. Are adjusted to the feed rate of the proper stainless steel grade 304 UNS... The best insert grade to ensure good chip control and long and reliable tool life is... Ream it easiest way to learn new techniques, get answers quickly and discuss common challenges with your.... Through 321, that was some years ago 18/8 stainless steel turning a revolution in steel... Stocked in 304 stainless steel is also comprised of no more than 10.6 million unique visitors over the last,... The feed rate of the mini lathe ( 0.004/rev you are i would never use a Wear Resistant grade 323. A highspeed anything on it to look on my other laptop with mastercam to my! Most turning operations, but carbide tipped tool are now also used drill size when the! Grade to ensure good chip control and long and reliable tool life of minutes. Experience is mainly with 316l and we would use either TiN coated HSS or.... Drilling the hole before you ream it cut of 0.040, and a tool life of minutes. Our eNewsletter now to stay in-the-know stainless steel from the many types available requires an evaluation based five!
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