JohnHaine
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- 58 Minutes Ago
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58 Minutes AgoLeave well alone IMHO.1 replies | 106 view(s) -
6 Days 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 | 348 view(s)
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6 Days 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 | 348 view(s)
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1 Week AgoJohnHaine replied to a thread NEW MEMBER: Denford Triac converted to UCCNC in New Member Introductions...or there!4 replies | 905 view(s)
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1 Week 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 | 905 view(s)
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2 Weeks AgoThe product description says: "Normally closed specification technical parameters Output mode: BNC (normally closed)" Which implies that it...12 replies | 1662 view(s)
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2 Weeks AgoCould you post a link please?12 replies | 1662 view(s)
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3 Weeks AgoMost of the cheaper "professional" touch probes are based on the original Renishaw design (the basis of their present success), which essentially has...12 replies | 1662 view(s)
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3 Weeks AgoSo I think you mean the probe is a rod of a known diameter which used to be connected to ground through the bearings but is now isolated because the...12 replies | 1662 view(s)
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3 Weeks AgoWhat form does the probe take?12 replies | 1662 view(s)
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3 Weeks AgoJohnHaine replied to a thread which spindle motor will work in Milling Machines, Builds & ConversionsRight, so appears to be a PM type with an inbuilt tachometer. I'm not sure what the K1 and K2 terminals are for. Do you mean 0-10V from a pot or...11 replies | 1563 view(s)
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3 Weeks AgoJohnHaine replied to a thread which spindle motor will work in Milling Machines, Builds & ConversionsAn important question is whether the original motor is a wound field type or permanent magnet. My Novamill is a PM type. How many wires go in to...11 replies | 1563 view(s)
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3 Weeks AgoJohnHaine replied to a thread which spindle motor will work in Milling Machines, Builds & ConversionsWell as I said a DC motor has better low speed torque. Or a modern induction motor with a constant torque VFD which adjusts the drive voltage and...11 replies | 1563 view(s)
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3 Weeks AgoSupported by what? Encoders are quadrature almost by definition if you want to know the direction as well as magnitude of movement. What do you...1 replies | 988 view(s)
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3 Weeks AgoJohnHaine replied to a thread which spindle motor will work in Milling Machines, Builds & ConversionsWell the original motor is probably a Baldor DC commutator type as used in other Denford machines - like my little Novamill. Max spindle speed is...11 replies | 1563 view(s)
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3 Weeks AgoJohnHaine replied to a thread which spindle motor will work in Milling Machines, Builds & ConversionsWhat happened to the original motor?11 replies | 1563 view(s)
About JohnHaine
Basic Information
About JohnHaine
- City:
- Cambridge, UK
- Country:
- United Kingdom
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Total Posts
- Total Posts
- 349
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- Last Post
- Optimum mb4 mill Conversion 58 Minutes Ago
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General Information
- Last Activity
- 58 Minutes Ago
- Join Date
- 24-09-2012
Optimum mb4 mill Conversion