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Description
GMC HEAVY DUTY PRECISION GAP BED LATHE - GML-1640AT16 x 40, 2 3 16 bore, 5 HP, 220V 440V 3phase With free CARMAR DRO installed Machine Standard Features and Equipment: Made in Taiwan 100% made in Taiwan, by top manufacturer with very high level of quality 5 years industrial warranty for parts for all Taiwan lathes ISO 9001 certified Large spindle bore 2 1 16 Heavy Duty spindle D1 6 One piece solid cast iron machine base Heavy Duty guideway width 10 1 4 Heavy Duty main motor 6 HP 16 spindle speeds from
16” x 40”, 2-3/16” bore, 5 HP, 220V/440V/3phase - With free CARMAR DRO installed
Machine Standard Features and Equipment:
- Made in Taiwan-100% made in Taiwan, by top manufacturer with very high level of quality
- 5 years industrial warranty for parts for all Taiwan lathes
- ISO 9001 certified
- Large spindle bore 2-1/16”
- Heavy Duty spindle D1-6
- One-piece solid cast iron machine base
- Heavy Duty guideway width 10-1/4”
- Heavy Duty main motor 6 HP
- 16 spindle speeds from 45-1,800 rpm, speeds: 45/70/90/108/140/165/215/255/330/385/510/585/770/900/1170/1800rpm
- 45 kinds of inch threads, and 39 kinds of metric threads
- Threading and feeding rate change without changing gears
- Spindle is balanced, hardened and precision ground
- Spindle is supported at 3-point by high precision bearings
- All gears and shafts are hardened and precision ground
- Guideways induction hardened and precision ground
- Automatic lubrication system in headstock and feed box
Standard Equipment:
- Free CARMAR DRO installed
- 8” 3-jaw chuck with one set of reversible jaws
- 14” Face plate
- 1-3/16”-5” steady rest with roller jaws
- 3” follow rest
- Removeable gap
- 4-way tools post
- 4-position carriage stop
- Foot brake
- LED Work light
- coolant system
- Full length splash guard
- (2) dead centers and (1) reducing sleeve MT6/MT4
- Thread chasing dial
- Tool box and leveling pads
Optional:
- 5-C Hand lever type collet closer# 5C-1660AT, free install ……. call for pricing
- 33 pc 5C collet set, from 1/16 to 1-1/16” by 32ndth, # 900-0014.. call for pricing
- Taper turning attachment, installed……………………………….. all for pricing
- ALORIS type QC tool post set # 3900-5230, 6 pcs …................... all for pricing
- Live Center # 3900-5004 ................................................................ all for pricing
- 5pc Indexable carbide turning set # 2003-0004 ........................... all for pricing
- 3/8” carbide insert # 2003-0014 .................................................. all for pricing
- Lathe package 1 # GMCLSUP101, incl 5pc indexable carbide turning set # 2003-0004, ½ drill chuck # 3700-0102, Chuck arbor #3700-0157, and 29pc Titanium drill bit set #5000-0001T .................................... all for pricing
Specifications:
This machine is compatible with a phase converter. Please note that the phase converter must be installed by GMC Machine Tools to ensure warranty coverage.
Once the machine is received and the phase converter is installed by us, it will be ready for use. For more information or if you have any further questions or need assistance, feel free to contact us.
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Specifications |
GML-1640AT |
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Max. swing over bed |
16” |
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Max. length of workpiece |
40” |
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Max. swing over cross slide |
9-1/2” |
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Max. Swing in gap |
21-3/4” |
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Width of Bed |
10” |
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Effective length in gap to spindle |
8-1/2” |
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Effective length in gap to chuck jaws |
3-1/2” |
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Spindle bore |
2-1/16” , D1-6 |
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Taper of spindle center |
M.T.# 6 ( with MT6/MT4 sleeve) |
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Spindle speeds |
50-2,000 rpm / 12steps |
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Longitudinal feeds |
0.0017-0.0242 IPR, 32 kinds |
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Cross feeds |
0.00056-0.008 IPR, 32 kinds |
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Inch threads |
56-4 TPI, 32 kinds |
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Metric threads |
0.4-7.0 mm , 32 kinds |
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Module threads |
0.4-7.0 mm, 32 kinds |
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Diametral pitch threads |
8-120 DP , 32 kinds |
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Max. travel of top slide |
3-9/16” |
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Max. travel of cross slide |
8” |
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Spindle length w/o chuck |
20” |
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Leadscrew length X TPI |
1-1/4” x 4 TPI |
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Diameter of tailstock quill |
2” |
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Max. travel of tailstock quill |
4-3/8” |
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Taper of tailstock quill center |
M.T. # 4 |
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Oil for headstock / Gear box / Apron |
#30 weight machine oil, TEXACO regal R&O/100, 3 Gal. |
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Main motor |
5 HP, 220V/440V, 3 phase |
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Amperage draw |
20Amp on 220V, 12Amp on 440V |
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Coolant pump motor |
1/8 HP, 220V/440V, 3 phase |
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Net weight, approx. |
3,230 LBS |
3,630 LBS |
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Overall dimensions, LxWxH Machine shipping dimensions, LWH |
80” x 38” x 57” 82”x34”x60” |
100” x 38” x 57” 102”x34”x60” |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Good keyboard but it takes time to adjust.
Color: Black, Color: Black
I had a prior version of this keyboard (the Microsoft Natural Ergonomic Keyboard 3000) for my office PC. It did admirably, but after a year or so, my wrists were starting to hurt IN SPITE OF the ergonomics helping. This one is better rated. So far, it has helped, but it took at least a week of use just for my hands to BEGIN to get used to the differences. I'd do a pro/con list, but I'm not sure there are any "cons" as compared to "issues to expect" if you buy this keyboard.
1. Expect a steep learning curve to get used to the layout. The "bend" in this keyboard is significant, and it will take time for your fingers to get used to hitting the right keys on a consistent basis. Give it one or two weeks of regular use before deciding if you like it or not. You can't know in a couple of days if it's helping you because you do need to re-learn your hand placement and fingering to some degree.
2. There is a physical break in the left and right hand keys. This "no man's land" means you need to unlearn using the wrong hand for the wrong keys because you will either miskey or just hit nothing when you go to use your right hand to it the G key (or a similar situation). Likewise, some of the keys have an odd shape that takes getting used to. I had considerable issue getting used to hitting V and B correctly. Again, this is all about relearning how to keyboard properly. My best tip is to avoid looking at the keyboard while typing. For me, looking at the keyboard made it harder compared to just backspacing and repeating until I got it right. Passwords are about the only thing where I still watch what keys I strike.
3. This keyboard is wider and "taller" than most. If you use a keyboard tray, clearing it might pose and issue (see next point below). You will likely have less room for your mouse as well, but I found it something I could live with.
4. The keyboard has three (maybe four) resting positions. There's a removable front skirt that elevates the front. There are the standard rear folding supports to elevate the rear. So, that's resting flat (none), rear elevated, front elevated, and both elevated. Lying flat, the keyboard works fine with my keyboard tray. Set the way I find it's most comfortable for me, I can only push the tray in halfway before the keyboard hits the desk. This isn't a deal breaker for me, so I'll live with it. You keyboard tray may need to allow at least 3 inches of vertical clearance to not have an issue with this keyboard.
I was divided on four or five stars, but since I need this more extreme curve to deal with wrist pain, it's not the product's fault, so I won't hold the awkwardness of it against the designers. It does what it's designed to do for a good reason. That comes with a trade off.
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Reviewed in the United States on January 3, 2017
★★★★★ 4
I was glad I bought it until four or five months later...
Color: Black
I am now about a week and a half into using this keyboard. It is the first time I have used an ergonomic split keyboard. I am a medical transcriptionist and type for a living. At first I found it awkward, I kept reaching too far for some keys, and it seemed that I was always missing the right-sided home row by one key. Now I find that I'm not thinking about the keyboard at all, which means it is working well for me. I find the key "touch" to be a little on the firm side, which means that I occasionally miss a letter because I didn't push hard enough, but I think over time I will adjust to that, too. This keyboard does not "click" when you type, which means it is generally quiet. Personally, I prefer the clicking, but for work, I wear a headset and don't hear the keyboard at all, so this is not an issue. Of course, with the need to press the keys harder, there is more thumping than I think I would normally hear when I type. As far as the alignment, it seems excellent. I have rheumatoid arthritis, which is well controlled, but I still have some stiffness and loss of range of motion in my fingers and wrists, and the angles of the keyboard seem to be perfect for me, and I don't feel as much strain as I used to in my wrists after working all day. There is one thing I wish was included, and that is a lighted keyboard. I have never had one, but I have worn the letters off the keys of several keyboards, plus it would just be helpful to be able to see the keys more easily for those times when you don't have bright light or so your eyes don't have to adjust to dim lighting after staring at your bright monitor screen for a long period of time. After less than two weeks, I can already see shiny spots on the space bar and some of the most-used keys, so I know the letters will start wearing off soon. Not a big deal, but a lighted keyboard would be a really nice feature, perhaps an option that could be offered in the future. If you are considering this type of keyboard, I think it is worth the minor aggravation of needing some time to get used to it. My impression is that my hands and wrists will be thankful I made this purchase. UPDATE JULY 22, 2015: The keyboard started acting strangely yesterday morning, some keys not working at all, some keys creating the wrong letter or digit, and the period key seemed to be stuck. I tried to file a claim using the extended warranty, but because it was still under the manufacturer's warranty, they told me to contact Microsoft, and they gave me the wrong phone number for Microsoft. Microsoft wanted the keyboard to be shipped back to them in California, and they would send a replacement AFTER they received this one. I use the keyboard for work, and I don't have a week or more to wait for a replacement. I asked for my money back, which they agreed to do, BUT they then sent me on a wild goose chase trying to make that happen. It seemed that no one with Microsoft had any idea of how to help me and they didn't seem interested at all in helping me, although one person I spoke to at one of the wrong numbers I was given was very kind and helpful in spite of my anger and frustration (thanks, Sachin!), but he couldn't help me either, and he said I needed to contact Amazon. This was definitely NOT Amazon's problem, but you know what? They made it right. No arguments, no questions, no lengthy explanations, no making me feel like I was trying to take advantage of them. I asked for their help, and they apologized for the troubles I had experienced and sent a new keyboard. I have heard people complain about Amazon, but as far as I'm concerned, they are AWESOME. Microsoft and Square Trade Warranties not so much. This keyboard should have lasted longer than a few months, and Microsoft's customer service was horrible when I needed help, so when I have to purchase another keyboard, I probably won't buy another Microsoft product. That said, I have been very happy with the layout of the keyboard and I wish it hadn't malfunctioned so quickly.
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Reviewed in the United States on March 25, 2015
★★★★★ 5
Wonderful keyboard, VERYuseful programmable buttons aplenty. Only problem: Intermittent connectivity problem with wireless unit.
Color: Black
I really love this keyboard, having used "ergonomic" keyboards for a great many years now, and using nothing else.
The design is really nice, with the split keyboard being an increasingly rare thing to find these days. Almost no models made by anyone offer such a design, but even if there was more competition of this type, I still think this keyboard is great.
The programmable buttons (MANY of them) are a huge plus. You can program most of them to do all kinds of things, including opening often-used documents or websites for you, or running macros you write.
The buttons that are intended for specific purposes, though, are so well thought-out that I leave most of the button assignments as they are. For example, the buttons dedicated for increasing, decreasing, or muting the speaker/headphone volume are VERY useful very often. And the calculator button also gets a lot of use. Others are the same: very well-thought-out standard assignments doing things I do often (and that presumably most people do often), and once you get used to the fact that now you have a button that does what you want (at first, you'll do it the slower way requiring many more button presses &/or mouse pointer clicks), this keyboards full functionality really shines through for you, and you can't imagine how you could use anything else!
The removable palm rest is another great feature, by the way. Since I use this on my lap, and the bottom of that thing isn't comfortable at all that way, I'm very happy it comes off. And it goes on and off very quickly and easily, in case you want to move it back and forth between a non-organic surface and your lap.
The only problem I have with this keyboard in its wireless version (I have both cabled and wireless ones) is that with many positions I get in, even when the keyboard is VERY close to the receiver plugged into the USB jack on the front of my computer, it won't work at all many times. But when the keyboard is in other positions that have NO line of sight to the receiver, it works fine. It's very particular that way, with some orientations that seem like they'd make for very easy connectivity being impossible to use, while other orientations/distances that seem like they wouldn't work work just fine. Go figure. But once you learn its oddities, you can work around that by moving the keyboard and/or the receiver plugged into the computer so that it works. I do still find it annoying that it seems like the most comfortable positions I want to be in often seem impossible to make work, even with very close proximity. Using the wired version, of course, removes this problem entirely. But I think that the connectivity of the wireless version should not be so touchy and idiosyncratic, and would describe it as a "design flaw." I would have to say that, overall, this isn't enough to warrant deducting a star, though.
Overall, though, I'd say it's a great keyboard, and highly recommend it.
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Reviewed in the United States on November 16, 2013
★★★★★ 5
Good all around design with plenty of functionality; best design especially for this price. Very comfortable ergonomics.
Color: Black
The ergonomics of this keyboard are very helpful. I've purchased this same keyboard many times over the years (they wear out). It takes some getting used to, but I love it. It's a more natural position. I'd like it better if there was more space between the two sections of keys, but I would assume they were trying to keep the footprint similar to a regular keyboard for space reasons.
This made a big difference in my neck and shoulder pain and I don't experience any wrist pain like I do when using other keyboards.
I don't know if they still make the wireless version, but I can't recommend that as it wears out even faster than the wired keyboard. And that leads me to the one real drawback - they wear out too quickly. Usually the letters on the keys wear off first, which usually isn't a big issue since I don't look at the keyboard much, but when I do, it's a pain that the keys no longer show the some of the letters. The keys themselves begin to wear out. It seems to me it happens faster than it did years ago. They used to last a few years before they keys stopped responding well (nothing happens when you hit the key and then suddenly you get a jumbled mess), but in recent years, it seems like I need a new keyboard every two years. I suppose that's one way to make sure your product continues to sell. Also, initially the keys are fairly quiet, but it doesn't take long before they're quite noisy.
In comparison to other ergonomic keyboards, this one has the best design in the lower price range. Others with better designs run into the hundreds. I highly recommend this keyboard.
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Reviewed in the United States on July 13, 2017
★★★★★ 5
1 Year Later....Still going Great
Color: Black
Ok, I have had this keyboard since June 28, 2015 and today is July 4th, 2016.
Having thought about this keyboard over the last year and then swapping it out for a standard Dell (non ergonomic) keyboard for the last two weeks has made me realize a few and not so few obvious things:
1) Footprint of ergonomic keyboard on desk is larger than most that I can recall. Not a con but keep that in mind if your computer desk is on the smaller side
2) Build Quality. You buy a top tier (Microsoft, Dell, Lenovo, HP, etc) business OR retail keyboard for a decent price, one EXPECTS minimal issues. There are two issues that have cropped up over the course of the last year: a couple of the tabs holding the snap on palm rest have broken off. The palm rest/riser plastic piece is still firmly attached. My guess is that these plastic clips were put in high stress areas. No loss in functionality. The CAPS LOCK LED light that is in the middle doesn't really work anymore. If I hit the caps lock with my left pinkie finger, the light doesn't come on. If I smash the same caps lock with my thumb or index finger, the light comes on and then goes out. Windows 10 always tells me via the popup message if my caps lock is on. No loss in functionality.
3) Key labels have not worn off. The letters are a bit faded but are still clear. The number row above the keys are virtually pristine (and by extension are used for the comparison of the letter keys).
4) This is a very good ergonomic keyboard. Within a couple of days of the swap, my wrist and left finger were starting to have that familiar hurt.
I could go on and on about the specifics that some have posted in other reviews, but I feel that this is relevant to my use after a full year
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Reviewed in the United States on July 4, 2016