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What’s going on at Boeing
another recent podcast on the Space Shuttle investigation that is well worth listening to . . . part 1 of this series- motion guru
- Post #295
- Forum: Manufacturing in America and Europe
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Newton-meter to kW/HP conversion calculation...not making sense
The entire point of the original post is that no where on the motor nameplate or available documentation is the FLA to be found. In which case, you only have torque and RPM documented on the nameplate from which to calculate power. Perhaps you missed that point - easy to do when scrolling...- motion guru
- Post #35
- Forum: General
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Newton-meter to kW/HP conversion calculation...not making sense
1400 RPM @ 95 Nm is roughly 14kW all day long. Using imperial units with common HP calculations . . . 95Nm x 8.85 In-lbs / Nm = 841 in-lbs 841 in-lbs / 12 in-lbs / ft-lb = 70 ft-lbs 1400 rpm X 70 ft-lbs / 5250 = 18.68 HP 18.68 HP x 0.746 kW / HP = 13.94 kW Or roughly 14kW . . . derived using...- motion guru
- Post #33
- Forum: General
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Newton-meter to kW/HP conversion calculation...not making sense
Based on nameplate - close enough to 14kW to call it 14kW . . . it is a European motor rated at 400V/50Hz so a 4-pole motor with 100RPM of slip at full torque - soft torque/current curve which is typical for crane duty. An 11kW VFD would run that motor fine at a reduced rating.- motion guru
- Post #24
- Forum: General
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Robot Accuracy
Love this topic. Run a Sinumerik CNC control on a Comau robot in a “Run my Robot” configuration. Comp it with a Leica laser tracker in real time using “Spacial Analyzer” with a fiducial on the EOAT . . . and in addition to having spent a crap load of money you will have a robotic positioning...- motion guru
- Post #33
- Forum: Robots and Automation
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Converting Colchester Triumph 2000 Lathe to Single Phase
I recently helped a bloke put a KB Electronics VFD on a 2 speed 3-ph 7.5 HP lathe motor. The lathe had a two speed rotary switch and we wired this to the VFD to basically do a speed select. Fed from a 230V single phase dryer plug. It worked fantastic and he has the added bonus of using the...- motion guru
- Post #11
- Forum: Transformers, Phase Converters and VFD
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insulated steel panels for shop roof and walls
We had several weeks this last summer with temps over 100 most afternoons and the shop stayed below 80 degrees with no A/C. We programmed the wall louvers to open and exhaust fans to turn on at the lowest detected temperature at night and to exhaust hot air until the room temp has stopped...- motion guru
- Post #28
- Forum: Shop Management and Owner Issues
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Bob Hem / ESS / Carbide Bob . . . posting from beyond the grave?
I too am a "junior" and the latest TSA rules require that my airline ticket name matches the name of my drivers license (no initials used) . . . so in my 50's I have to have my first name show up as my given name when my entire life long I have gone by my middle name. Parents - please do your...- motion guru
- Post #17
- Forum: General
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Bob Hem / ESS / Carbide Bob . . . posting from beyond the grave?
Glad to hear . . . PM incoming- motion guru
- Post #3
- Forum: General
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Bob Hem / ESS / Carbide Bob . . . posting from beyond the grave?
We are getting ready to build out another machine that uses carbide tooling and I instructed one of my engineers to get ahold of Carbide Bob. He said that he tried, but found out that Bob had died in 2018. This left me a bit confused because I have had a number of interactions with Carbide Bob...- motion guru
- Thread
- Replies: 25
- Forum: General
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FANUC CNC parts for sale
I have retrofitted the controls on an older Milling Machine that had a FANUC CNC control system that worked when we disassembled the machine. It is time to move the original parts on to someone who can use them. Let me know if you have interest in any of these items - They are larger drives...- motion guru
- Thread
- Replies: 1
- Forum: Tooling, Parts and Accessories For Sale or Wanted
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PC Based Control Software for Delta Tau PMAC
Is the machine running the Delta Tau NC software package on Windows or a homegrown version user interface? I know of several higher end PMAC CNC applications from that vintage that are still running. Here is one I did in my early days . . .- motion guru
- Post #7
- Forum: CNC Machining
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Hamil cnc with delta tau pmac controls
That cabinet looks a mess . . . what part of the country are you in?- motion guru
- Post #3
- Forum: CNC Machining
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Russian machining...
The machines are already owned and tooled up by the customer. Set up to machine 6 forgings at a time. Picture multiple gantries each with 6 spindles and a table that moves from gantry to gantry along a very long bedway. Below is a photo of a similar machine from the internet.- motion guru
- Post #77
- Forum: Manufacturing in America and Europe
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Russian machining...
Two issues related to sanctions on Russian manufacturing capacity that we have delved into. A large percentage of birch plywood comes from Russia . . . and US users of this plywood, predominantly used in scaffolding are looking for alternate sources. Not many options at this point that match...- motion guru
- Post #75
- Forum: Manufacturing in America and Europe
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OT NEUROPATHY SUFFERERS - FOUND ANY TREATMENT THAT HELPS?
I had increasing issues with neuropathy as well as what seemed like days when I couldn’t remember basic things like my pc password and tired all the time. Bloodwork showed zero vitamin B12 in my system. I too have autoimmune issues and apparently my immune system killed off that part of my...- motion guru
- Post #49
- Forum: General
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Machine Shop Aesthetics
Every single one of my employees likes our new shop better. Natural lighting from windows on three sides of the shop plus skylights. 4 each 4ft x 16ft louvers plus 4 each 2hp variable speed roof exhausts on VFDs plus 4 each 2hp 18 ceiling fans, again on VFDs. And inside upper and lower...- motion guru
- Post #61
- Forum: Shop Management and Owner Issues
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Custom built large 4th axis
Assuming your units for your stepper motor torque are oz-in, (you stated oz-lb which doesn’t compute) . . . 1000 oz-in @ 3:1 belt ratio machining on a 2 inch radius allow for 1500 oz load. (Or roughly a 90 lb max load before your stepper loses synchronicity) A belt drive and stepper will work...- motion guru
- Post #33
- Forum: Robots and Automation
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OT: aging and decluttering
Happy womb liberation day Forrest! I have wondered how you have been doing. My business continues to grow each year and the machines therein will take care of themselves. Even the 1942 Cleveland planer mill with the Sinumerik 840D still gets regular use. My home shop is another matter...- motion guru
- Post #33
- Forum: General
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Robotics/Automation Engineer
Find a school with a Mechatronics program that has PLC’s and Robots in the labs. Your options will vary by school / location. Our local Washington State University mechatronics lab is very good and the engineers who graduate from there have the basics down. You don’t need a computer science...- motion guru
- Post #27
- Forum: Robots and Automation