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14 Hours AgoJohnHaine replied to a thread Is a 600W AC servo better than a matching asyncrounous single phase AC motor? in Machine DiscussionYou might be confusing power and torque. Using a large diameter holesaw really needs quite high torque but probably not much power. The ideal is a...4 replies | 268 view(s)
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1 Day AgoJohnHaine replied to a thread Is a 600W AC servo better than a matching asyncrounous single phase AC motor? in Machine DiscussionInduction motors have quite large diameter rotors and substantial stators so they are quite large. The "heatsink" doesn't contribute much in size. ...4 replies | 268 view(s)
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5 Days AgoJohnHaine replied to a thread TOSHIBA VF-NC3S VFD for sale (unused) in Classified Ads, Buy, Sell & SwapAnother method of reforming which I have used successfully is to connect a variac (variable transformer) to the normal mains input, switch on, and...3 replies | 2516 view(s)
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1 Week AgoLet me guess, you have your WiFi router in the house connected to the incoming copper line. As well as the cnc machine you are using a computer, ...3 replies | 418 view(s)
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1 Week AgoLeave well alone IMHO.2 replies | 1206 view(s)
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2 Weeks AgoJohnHaine replied to a thread Please help identify these CNC machines found at my school. (should make PCBs) in General DiscussionThat could equally be an asset number, for example. If nearly 4000 units were made they would be better known. Can you take photo 1 again with...5 replies | 2082 view(s)
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2 Weeks AgoJohnHaine replied to a thread Please help identify these CNC machines found at my school. (should make PCBs) in General DiscussionThat does not look like a commercial product but something made as a prototype in a lab.5 replies | 2082 view(s)
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3 Weeks AgoJohnHaine replied to a thread NEW MEMBER: Denford Triac converted to UCCNC in New Member Introductions...or there!4 replies | 2866 view(s)
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3 Weeks AgoJohnHaine replied to a thread NEW MEMBER: Denford Triac converted to UCCNC in New Member Introductionshttps://www.forum.cncdrive.com/ Maybe more likely to find help here.4 replies | 2866 view(s)
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4 Weeks AgoThe product description says: "Normally closed specification technical parameters Output mode: BNC (normally closed)" Which implies that it...12 replies | 3522 view(s)
About JohnHaine
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About JohnHaine
- City:
- Cambridge, UK
- Country:
- United Kingdom
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- Is a 600W AC servo better than a matching asyncrounous single phase AC motor? 14 Hours Ago
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- 14 Hours Ago
- Join Date
- 24-09-2012
Opinions on Integrating Robots for...