Cat40 vs bt40. there is also a euro standard ,ISO. X already in use. 625" (16mm) and under. The differance between CT and BT is in the tool changer flange, and inch (CT) ,verses Metric (BT) threads for the pullstud/retention. 25" END MILL TOOL 0. 30 taper is not rigid enough for heavier work and the tooling is less common. Thus most of the time pull studs for CAT40 pull studs will have a . Think on the BT40 holder one dog slot is shorter also on our BT40 spindle machine the CAT40 holders go in one way. There was also a check list in the electrical panel of when the machine was first installed as you mentioned. Mar 6, 2013 · If you want CAT40 dual contact just buy them from Maritool. www. The pull studs are slightly longer. You need to change the fingers on the carousel. kimhan. 888" and the other is . bp vmc 2216 xv bt40 vs cat40 If this has already been addressed or answered, I apologize - I don't visit the forum very often. Attached is a pic from the bottom of the ATC showing the keys at the bottom. The higher the number, the bigger the taper. For CAT40 the shortest ER32 collet chuck I make is 1. The difference in length between the BT & CAT pull stud (as dimensioned on the plate on the FADAL) is BT = . Similar to CAT tool holders, they have numerical designations that correspond to the size of the taper: BT30, BT35, BT40, BT45, BT50. This effectively reduces the contact area in the spindle and means BT uses longer studs. BT40 tool holder looks very similar and can easily be confused with CAT40 tool holder. 112 longer than the CAT (dimensioned from the flange seat). antonio5005 Plastic. You can use the holders, but if you try and change tools it will mess things up. As you live in the US CT is the way to go, every tool company. As we know, CAT is the American standard and BT is the later technology of Japanese standard. CAT40, short for “V-Flange CAT40,” is a widely used tool holder system in machine shops. BT tooling uses the same NMTB body taper as CAT40 and is symmetrical around the spindle axis – something CAT tooling is not. The only difference you need to be aware of is the tool changing flange. I’ve searched other threads and haven’t had much luck finding info on the setup I’m using. Find out which tool holder is suitable for your machine and tool changer clips. I’ve got a 1992 VF-0 with a 16 tool carousel that is currently BT40 that I’d like to switch to Cat40. A BIG-PLUS holder of around 4 inches or 105 mm in length will have equal rigidity to a standard CAT40 holder of around 2. ca. BT40 / CAT40 Twin Arm Assembly (Gripper): These BT40 and CAT40 Twin Arm Assemblies provide efficient tool changing capabilities, enhancing the overall productivity of May 18, 2011 · Comparison between Steep Taper holders like CAT, BT vs. 5 inches or 65 mm in length. Sep 26, 2008 · For example DA-100, DA-180, DA-200, ER-16, ER-32, TG-75 and TG-100. . The style and thickness of the flange is different. Now I have to figure our whether to sell all of that BT40 tooling or convert it to BT *sigh*. The difference between the two styles lies in the flange design where the BT bottom flange is thicker and engaged differently by the tool changer. BT 40 pull studs for HAAS machines are the worst. There is a dimple on the holder and on one of the spindle dog just line the two dimples up. 881" from centerline for both keys. knob. Dec 11, 2005 · On a BT 40 holder, key slot depth is . Drawbar Gripper Fingers shown in red, Spindle Contact area show in Blue As machining spindle speeds have increased, steep taper rotary toolholders like BT and CAT systems tend to lose accuracy due to higher centrifugal when running at high RPM's. CAT40 vs BT40: 3 Main Differences between BT40 and CAT40 Tool Holder. A. Jan 27, 2011 · Looking at a spindle speeder that has a CAT40 tool and I have a Bridgeport Series II Interact 4 that uses a BT40 tool holder. Yes the FADAL lists both studs. The adaptor requires a 7/16-20 drawbar Dec 15, 2008 · Yep the CAT40 taper gets to a smaller diameter than the BT40. SK (also known as DIN69871) tapers are used on German and European machining centres, these can also be used on American machining centres taking CAT40/CAT50 tooling. Aug 6, 2006 · What is teh physical difference between a ct40 & BT40 holder? What does it take to put BT40 tooling into a Fadal 4020 with cat40? Ec1; May 9, 2024; CNC Machining BT40 stuff is a fortune and has a much smaller selection than Cat40, which is probably the cheapest of all the 40 taper tooling because it is the most widely used. I use both BT40 and CAT40 the only difference is the spindle dog slots on the holder. Today we noticed or machine came with CV40 tool holders. Jun 10, 2021 #3 For what purpose? A. The CAT system was invented by Catepillar Tractor in the 1970's hence the name, BTW. It confirms it is a Cat40. CAT40 ER32 1. 115 shorter stem than its sister version in BT40. Dec 22, 2008 · 0. The difference between BT40 and CT40 is in the flange that is gripped by the tool changer. Learn about spindle tapers and common taper designations including CAT40, CAT50, BT30, and HSK for precision and versatility. They talk about swapping the extractor fingers and installing the dog key either on top or bottom of the extractor fingers to accommodate the If you are working the aluminum with small dia endmills you will REALLY want the 15K spindle. BT40 Ceramic Spindle Cartridge: Featuring ceramic components, these BT40 Ceramic Spindle Cartridges offer superior heat resistance and longevity, ideal for high-speed operations. So what are the main differences between them? Please see the following technical specification. 375-3. Joined Feb 5, 2019. So in some cases BT40 holders will need a longer gage length than CAT40. I'm not familiar with your machine. I just purchased a 2001 Bridgeport VMC 2216 XV that has a Fanuc 21iA control. 5-inch long holder. I am not sure about your . Learn how CAT40 and BT40 tool holders differ in length, flange, and pull stud size and thread. It features a 7/24 taper and a 40 mm projection gauge line, making it compatible with a vast range of machining equipment. The CAT is 5/8-11. standard. BT40 toolholder has a slightly shorter taper by about 4mm. The drawbar thread for R8 is 7/16-20 NF. Apr 7, 2021 · Also the flange is much thicker on a BT40 than CAT40. But the truth is I barely get any requests for a custom BT40 dual contact compared to CAT40 dual contact. 2. 36") Sep 9, 2018 · I've been offered the choice of either CAT40 or BT40 in the spindle of our new Matsuura, no charge for the conversion (it is currently BT Big Plus). Actually there is also a difference in the size (height I think) of the dogs but the Haas spindle is made to accommodate either. Attached Thumbnails. HSK spindle engagement. Sure some of that may be the limited offerings I have in BT40 dual contact vs CAT40 dual contact. Jan 27, 2019 · Why keep stock of a product that does not move? I probably sell 30:1 of CAT40 dual contact tool holders vs BT40 dual contact. The BT uses a metric pull stud thread 16mm X ?. 5; BT40 3/8" END MILL TOOL HOLDER . This is why I see more pull studs breaking on BT40 machines than CAT40 machines. 85 COLLET CHUCK TOOL HOLDER - Made in USA MariTool The shortest BT40 ER32 collet chuck I make is 60mm (2. So two different studs for CAT40 and BT40 are needed. Are they interchangeable?? Need answer ASAP--thanks ben Similar Threads: MST BT40-DTC12-150 CNC Tool Holder; BT40 1/4" END MILL TOOL HOLDER . Jun 20, 2012 · I use both BT40 and CAT40 the only difference is the spindle dog slots on the holder. ISO (also known as DIN2080) tool holders are typically used on conventional (manual) milling machines with manual or automatic draw bars. Dec 13, 2023 · Our comprehensive chart includes 'at a glance' listing of the most popular taper styles including BT Shank, CAT Shank, Jacobs Taper, Morse Taper, NMTB Shank and R8 Shank. Typical variations are CAT40, CAT50, BT30, and BT40 where the numerical portion signifies the taper dimension (the larger the number, the larger the holder). However, we have been using a CAT40 face mill holder for the last few months with no issue. Nov 16, 2020 · CAT40 VS BT40, there are 3 main differences: 1. We are switching over all the machines in the shop and I got a generous tooling package with the machine, so we don't have a standard and I'm not looking to use old holders in the new machine. CT is the american standard (first clue ) and BT is the Japanese. 0. comparison of the bt40 and cat40 tool changer systems for HAAS™ carousels. 3 • TMX DIN AD/B design as standard . integratedmechanical. AJ H Hot Rolled. Also where is the best place to get a complete set of tool holders, BT40. If a "CAT 40" tool does not exhibit this characteristic then it is does not actually meet the proper spec for this type of tool. Feb 1, 2021 · CAT40 vs BT40 3 Main Differences between BT40 and CAT40 Tool Holder BT40 VS CAT40, there are 3 main differences: length of the taper; style and thickness of the flange; thread for the pull stud (retention knobs). 6 CAT T www 844TMXT 8448698665 15086538897 CAT Tooling CAT T TMX CAT 40 & 50 ER Collet Chucks Features • Balanced and certified to 15,000 RPM/G6. Any experienced machinist will know quite well the difference in rigidity between a 4-inch long holder and a 2. Thats the whole point of having a taper. Problems when I use Tooling Definitions, Tool position no. CAT40 vs BT40 3 Main Differences between BT40 and CAT40 Tool Holder . 85", in BT40 the shortest is @1/2" longer. 150 length difference. Jun 19, 2012 · I have used a BT40 in a few CAT40 haas machines. Get the side lock holders for any of your tools that have flats on them, and SK16 holders for any tools that don't. CAT40 vs BT40 vs CV40 tool holders. The length of the taper is different. We are looking to get all our tool holders, endmills, vises, etc for our new machine that is coming in. 250-2. Nov 13, 2008 · bherr, The taper for CAT & BT40 are identical 3 1/2" per foot. Jun 19, 2012 · The BT40 holders rest only on the taper, not on the flat side of the spindle. On a CAT 40 holder, one key depth from centerline is . 983". In the US the drawbar tread size 5/8-11 NC for ISO 40 and CAT 40. The CAT40 tool holder system is known for its robust and rigid design, making it particularly suitable for heavy-duty applications. SK16 is pretty much equivalent to the Centro P collet system but the SK16 is limited to tools 0. 05-22-2007, 11:56 AM #3. If not using too many small cutters go with the 40 taper. 0; BT40 1. cqqgb hiyb dztwe ftbir xeeul tiaysebe hhakxbf whed klxz jwhbw