OEM Components – Electrical
1) Spindle – Teknomotor
The CXC3 Majestic / CXC3 Majestic XL is equipped with a double bearing, 3 HP air-cooled electro spindle from Teknomotor that uses an ER 20 Collet system. Akriti supplies an ER 20 collet for bit sizes of 3, 4 & 6 mm. You are encouraged to purchase other collet sizes as per need. The specs sheet is as below.
The VFD is preconfigured to run on 400 Hz frequency and is setup to a delta 3 phase connection, which will push the spindle to 24,000 RPM.
We encourage the user to learn more on the spindle by visiting the Teknomotor website.
2) Variable Frequency Drive (VFD)
The spindle is driven by a 2.2 HP Variable Frequency Drive from Delta. The package includes the user manual and configuration documentation from the OEM.
The VFD is set to a delta 3 phase configuration upto 400Hz.
The softcopy of the user manual can be downloaded at the following location – https://deltaacdrives.com/Delta-VFD-E-User-Manual.pdf
The Spec Sheet can be downloaded from here – https://www.automatedpt.com/wp-content/uploads/2012/12/Delta-VFD-E-A-PD03-Spec-Sheet1.pdf
The VFD connects to the spindle through a shielded 4 core cable with three phase lines and earth.
4) Stepper Drivers
The Hybrid Stepper Motors are driven by Mid Band Resonance compensated drivers from TinyControls. The drivers are preconfigured to the correct current settings of 2.8Amps for the Nema 24 motors and 2 Amps for the Nema 23 motor. They are preset to 10 microsteps.
The detailed user manual is available at the following link. – https://www.tinycontrols.com/datasheets/Tstep-484.pdf
5) Power Supply
The CXC Mighty XL uses a 36 Volt, 10 Amp Switch Mode Power Supply from Shavison. The power supply module has an automatic cooling fan with 3 pairs of output DC terminals along with a pot to finetune the output voltage and an input fuse to protect against overvoltage/current surge.
The data sheet for the power supply can be accessed at the following link https://shavison.com/pdf/21500.pdf