Fadal VMC20 CNC Mill: Difference between revisions
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[https://www.practicalmachinist.com/vb/cnc-machining/fadal-4th-axis-plugged-machine-went-down-182190/ Fadal 4th axis, plugged it in and the machine went down] | [https://www.practicalmachinist.com/vb/cnc-machining/fadal-4th-axis-plugged-machine-went-down-182190/ Fadal 4th axis, plugged it in and the machine went down] | ||
It also has this connector for the resolver board inside the servo feedback area: | |||
[https://www.digikey.com/en/products/detail/molex/0022011062/403292 Molex 0022011062] | |||
[https://www.digikey.com/en/products/detail/molex/0008500114/26475 Molex 0008500114] | |||
=== Servo Amplifiers === | === Servo Amplifiers === | ||
Revision as of 22:24, 8 October 2020
Overview
Vertical machining center donated to Make Nashville by Jeremy Todd of United Machine & Tool. It is an older machine built in 1993, and features brushed DC servos rather than modern 3-phase brushless servos, however the technology is still robust!
Specifications
| Model | 904-20 |
|---|---|
| Serial | 9103079 |
| Voltage | 230VAC |
| Phase | 3 |
| Frequency | 60Hz |
| Full Load Amps | 25A |
Replacement Parts
Servo Motors
DC Motors
TODO
Resolvers
Either a Advanced Micro Controls R11W-F10/7:
R11 Size 11 Brushless Resolvers
Advanced Micro Controls R11W-F10/7 Specification Sheet (Sheet # 940-2T440)
Or an API Harosyn 11BRW-300-F 1/6
Size 11/R11 Heavy Duty Brushless Resolvers | Dynapar
OEM parts:
Resolvers | Product Education | FadalCNC.com
PCB
Seems to be a Glentek GM4000-1058 board with the following over-temperature sensor:
Servo Motor Cables
WIR-0090 | NXGEN Fadal Machine Parts
The cable has some coaxial "bullet" connectors:
Which connect to the 1010 cards in the control cabinet
wrong axis controller board on fadal machine?
Fadal 4th axis, plugged it in and the machine went down
It also has this connector for the resolver board inside the servo feedback area:
Servo Amplifiers
Brushed DC servo amplifiers made by Glentek. The nameplate reads:
Glentek El Segundo, CA. Model: GA4568-4E-1 Serial: 3090 HF 3Ø
Documentation is still available:
GA4567EPC / GA4568EPB Operation and Service Manual
From Glentek's website:
Relay Board
The board has marked on it's silkscreen:
1100-1B Fadal PF-B94V-0
1100-1B RELAY DISTRIBUTION BOARD | FadalCNC.com
The board seems to have 7 solid state relays, two bypassed outputs (no isolation), and two mechanical relay outputs.
Online Resources
- Manufacturer's web site.
- Manufacturer documentation.
- Manuals. The "2016" is the closest match (the updated version of this machine).
- How to set up serial communications. It wants 7e1, xon/xoff flow control, and the file must start and end with a % sign.